michael keller - science.jpl.nasa.gov · michael keller updated november 7, 2017 2 member,...

Michael Keller

Updated November 7, 2017 1

Jet Propulsion Laboratory

4800 Oak Grove Drive

Pasadena, CA 91109

Telephone 818-354-8282

E-mail: [email protected]

Education

Ph.D. 1990. Department of Geological and Geophysical Sciences, Princeton University.

A.B. summa cum laude, 1982. Harvard College. Department of Geology.

Professional Experience

Distinguished Visiting Scientist, Jet Propulsion Laboratory 2016 - present

Visiting Scientist, EMBRAPA, Campinas, Brazil, 2011- present

Chief of Science, NEON Inc., 2007-2010

Visiting Professor, University of São Paulo, 2006 - 2007

Affiliate Professor, University of New Hampshire, 1997 –

Research Scientist, International Institute of Tropical Forestry, USFS, 1992 – present

Honors and Awards

Corresponding Member, Brazilian Academy of Sciences, 2017.

Fellow, American Association for Advancement of Science, 2014.

US Forest Service, Award for Outstanding Performance, 2008.

US Forest Service, Award for Superior Performance, 2007.

NASA Group Achievement Award Presented to the LBA-ECO Project Office, 2003.

National Center for Atmospheric Research, Advanced Study Program Post-Doctoral Fellowship,

1990-1992.

National Center for Atmospheric Research, Advanced Study Program Pre-Doctoral Fellowship,

1988-1989.

Elected to Sigma XI Scientific Research Society, 1986.

Smithsonian Tropical Research Institute, Short Term Fellowship, 1985.

National Science Foundation Graduate Fellowship, 1984-1987.

Princeton University Hess Prize for the outstanding new graduate student in Geological and

Geophysical Sciences, 1984.

Elected to Phi Beta Kappa Academic Honor Society, 1982.

Professional Leadership Activities

Associate Editor, Global Biogeochemical Cycles. 2014 to present.

Chair, Advisory Committee for the European Integrated Carbon Observing System (ICOS). 2010-2011.

Project Scientist for the NASA LBA ECO Project of the “Large Scale Biosphere-Atmosphere Experiment

in Amazonia” (LBA). Coordinated the scientific activities of about 35 active projects

participating in LBA ECO. 1996 to 2007

Co-Chair of the International Scientific Steering Committee for LBA. 1998 to 2007

mailto:[email protected]

Michael Keller


Member, Scientific Steering Committee, Integrated Land Ecosystem-Atmosphere Processes Study

(ILEAPS) of the International Geosphere-Biosphere Program (IGBP). 2004 to 2007

Member of the Editorial Board, Nutrient Cycling in Agroecosystems. 1998 to 2001.

Co-Convenor of the “Biosphere-Atmosphere Trace Gas Exchange in the Tropics (BATGE)” activity of

the International Global Atmospheric Chemistry Program (IGAC) of International Geosphere-

Biosphere Program (IGBP). 1993 to 1998.

Languages: English, Portuguese, Spanish, French (reading).

Books

Keller, M., M. Bustamante, J. Gash, and P. Silva Dias (Eds.), 2009. Amazonia and Global Change.

Washington, American Geophysical Union, 565 pp. ISBN 978-0-87590-476-4

Peer Reviewed Journal Articles and Book Chapters

Feng, Y., Lu, D., Chen, Q., Keller, M., Moran, E., Nara dos-Santos, M., Luis Bolfe, E. and Batistella, M.,

2017. Examining effective use of data sources and modeling algorithms for improving biomass

estimation in a moist tropical forest of the Brazilian Amazon. International Journal of Digital

Earth, pp.1-21. 10.1080/17538947.2017.1301581

Frolking, S., Hagen, S., Braswell, B., Milliman, T., Herrick, C., Peterson, S., Roberts, D., Keller, M. and

Palace, M., 2017. Evaluating multiple causes of persistent low microwave backscatter from

Amazon forests after the 2005 drought. PloS one, 12(9), p.e0183308. doi:

10.1371/journal.pone.0183308

Silva, C.A., Hudak, A.T., Vierling, L.A., Klauberg, C., Garcia, M., Ferraz, A., Keller, M., Eitel, J. and

Saatchi, S., 2017. Impacts of Airborne Lidar Pulse Density on Estimating Biomass Stocks and

Changes in a Selectively Logged Tropical Forest. Remote Sensing, 9(10), p.1068. doi:

10.3390/rs9101068

Treuhaft, R., Lei, Y., Gonçalves, F., Keller, M., Santos, J.R.D., Neumann, M. and Almeida, A., 2017.

Tropical-Forest Structure and Biomass Dynamics from TanDEM-X Radar

Interferometry. Forests, 8(8), p.277. doi: 10.3390/f8080277

Chen, Q., D. Lu, M. Keller, M.N. dos-Santos, E.L. Bolfe, Y. Feng, and C. Wang. 2016. Modeling and

mapping agroforestry aboveground biomass in the Brazilian Amazon using airborne lidar data.

Remote Sensing 8, 21. doi:10.3390/rs8010021.

Longo, M., Keller, M., Dos-santos, M.N., Leitold, V., Pinagé, E.R., Baccini, A., Saatchi, S., Nogueira,

E.M., Batistella, M., Morton, D.C. 2016. Aboveground biomass variability across intact and

degraded forests in the Brazilian Amazon. Global Biogeochemical Cycles 30, 11, p. 1639-1660.

doi: 10.1002/2016GB005465

Morton, D.C., J. Rubio, B.D. Cook, J.P. Gastellu-Etchegorry, M. Longo, H. Choi, M. Hunter, and M.

Keller, 2016. Amazon forest structure generates diurnal and seasonal variability in light

utilization. Biogeosciences, 13(7), pp.2195-2206. doi: 10.5194/bg-13-2195-2016.

http://dx.doi.org/10.3390/f8080277

Michael Keller


Sato, L.Y., V.C.F. Gomes, Y.E. Shimabukuro, M. Keller, E. Arai, M.N. dos-Santos, I.F. Brown, and

L.E.O.C. de Aragão. 2016. Post-fire changes in forest biomass retrieved by airborne lidar in

Amazonia. Remote Sensing 8, 839. doi:10.3390/rs8100839.

Bustamante, M.M.C., I. Roitman, T.M. Aide, A. Alencar , L. Anderson, L. Aragão , G.P. Asner , J.

Barlow, E. Berenguer, J. Chambers, M.H. Costa, T. Fanin, L.G. Ferreira, J.N. Ferreira, M. Keller,

W.E. Magnusson., L. Morales., D. Morton, J.P.H.B. Ometto, M. Palace, C. Peres, D. Silvério, S.

Trumbore, I.C.G. Vieira. 2015. Towards an integrated monitoring framework to assess the

effects of tropical forest degradation and recovery on carbon stocks and biodiversity. Global

Change Biology. doi: 10.1111/gcb.13087

Beldini, T.P., R.C.D. Oliveira Junior, M. Keller, P.B.D. Camargo, P.M. Crill, A.D.D. Silva, D.B.D.

Santos, and D.R.D. Oliveira. 2015. Physical, chemical, and biological properties of soil under

soybean cultivation and at an adjacent rainforest in Amazonia. Revista Ambiente & Água, 10(4),

pp.707-719. doi: 10.4136/ambi-agua.1696

Oliveira-Junior, R.C.D., M. Keller, P.M. Crill, T.P. Beldini, J. van Haren, and P.B.D. Camargo. 2015.

Trace gas fluxes from intensively managed rice and soybean fields across three growing seasons

in the Brazilian Amazon. African Journal of Agricultural Research, 10(39), pp.3748-3758. doi:

10.5897/AJAR2015.10241

Hunter, M.O., M. Keller, D.C. Morton, B. Cook, M. Lefsky, M. Ducey, S. Saleska, R.C. de Oliveira Jr.,

and J. Schietti. 2015. Structural Dynamics of Tropical Moist Forest Gaps. PLOS One 10(7):

e0132144. doi: 10.1371/journal.pone.0132144

Oliveira Junior, R.C., M. Keller, J. F. da F. Ramos, T.P. Beldini, P.M. Crill, P.B. de Camargo and J. van

Haren. 2015. Chemical analysis of rainfall and throughfall in primary forest in the Tapajós

National Forest, Belterra, Pará, Brazil. Ambiente & Água. V. 10. doi: 10.4136/ambi-agua.1552

Schimel, D. and Keller, M. 2015. Big questions, big science: meeting the challenges of global ecology.

Oecologia. doi: 10.1007/s00442-015-3236-3

Leitold, V., Keller, M., Morton, D.C., Cook, B.D., and Shimabukuro, Y.E. 2015. Airborne lidar-based

estimates of tropical forest structure in complex terrain: Opportunities and trade-offs for

REDD+. Carbon Balance and Management 10:3. doi: 10.1186/s13021-015-0013-x

Saatchi, S., Mascaro, J., Xu, L., Keller, M., Yang, Y., Duffy, P., Espírito-Santo, F., Baccini, A.,

Chambers, J., Schimel, D. 2014. Seeing the forest beyond the trees. Global Ecology and

Biogeography. doi: 10.1111/geb.12256

Treuhaft, R., F. Goncalves, J.R. dos Santos, M. Keller, M. Palace, S.N. Madsen, F. Sullivan, P.M.L.A.

Graca, 2014. Tropical-Forest Biomass Estimation at X-Band from the Spaceborne TanDEM-X

Interferometer. IEEE Geoscience and Remote Sensing Letters, 12, doi:

10.1109/LGRS.2014.2334140

Espírito-Santo, F.D.B., Gloor, M., Keller, M, Malhi, Y., Saatchi, S., Nelson, B., Oliveira Junior, R.C.,

Pereira, C., Lloyd, J., Frolking, S., Palace, M., Shimabukuro, Y.E., Duarte, V., Mendoza, A.M.

Lopez-Gonzalez, G., Baker, T.R., Feldpausch, T.R., Brienen, R.J.W, Asner, G.P., Boyd, D.S.,

and Phillips, O.L. 2014. Size and frequency of natural forest disturbances and the Amazon forest

carbon balance. Nature Communications. 5:3434. doi: 10.1038/ncomms4434.

Michael Keller


Miranda, S.C., Bustamante, M., Palace, M., Hagen, S., Keller, M., Ferreira, L.G. 2014. Regional

Variations in Biomass Distribution in Brazilian Savanna Woodland. Biotropica 46, 125–138.

doi: 10.1111/btp.12095

Hunter, M.O., Keller, M. Victoria, D., Morton, D.C. 2013. Tree height and tropical forest biomass

estimation. Biogeosciences 10, 8385–8399. doi: 10.5194/bg-10-8385-2013

Andersen, H.-E., Reutebuch, S.E., McGaughey, R.J., d'Oliveira M.V.N, Keller, M. 2013. Monitoring

selective logging in western Amazonia with repeat lidar flights. Remote Sensing of Environment

151, 157-165. doi: 10.1016/j.rse.2013.08.049

van Haren, J., Oliveira Júnior, R.C., Beldini, P.T., de Camargo, P.B., Keller, M., Saleska, S. 2013. Tree

species effects on soil properties and greenhouse gas fluxes in East-central Amazonia:

Comparison between monoculture and diverse forest. Biotropica 45: 709–718. doi:

10.1111/btp.12061

Espírito-Santo F.D.B, Keller M., Linder E., Oliveira Júnior R.C., Pereira, C., Oliveira, C.G. 2013. Gap

formation and carbon cycling in the Brazilian Amazon: Measurement using high resolution

optical remote sensing and studies in large forest plots. Plant Ecology & Diversity. doi: 10.1080/17550874.2013.795629.

Kao, R. H., C. M. Gibson, R. E. Gallery, C. L. Meier, D. T. Barnett, K. M. Docherty, K. K. Blevins, P. D.

Travers, E. Azuaje, Y. P. Springer, K. M. Thibault, V. J. McKenzie, M. Keller, L. F. Alves, E.-L.

S. Hinckley, J. Parnell, and D. Schimel. 2012. NEON terrestrial field observations: designing

continental-scale, standardized sampling. Ecosphere 3(12):115. doi: 10.1890/ES12-00196.1

Stark, S., V. Leitold , J.L. Wu, M.O. Hunter, C.V. de Castilho, F.R.C. Costa, S.M. McMahon, G.G.

Parker, M.T. Shimabukuro, M.A. Lefsky, M. Keller, L.F. Alves, J. Schietti, Y.E. Shimabukuro,

D.O. Brandão, T.K. Woodcock, N. Higuchi, P.B. de Camargo, R.C. de Oliveira, and S.R.

Saleska, 2012. Amazon forest carbon dynamics predicted by profiles of canopy leaf area and

light environment. Ecology Letters 15: 1406-1414. doi: 10.1111/j.1461-0248.2012.01864.x

Davidson, E.A., A.C. de Araujo, P. Artaxo, J.K. Balch, I.F. Brown, M.M. da C. Bustamante, M.T. Coe,

R.S. DeFries, M. Keller, M. Longo, J.W. Munger, W. Schroeder, B.S. Soares-Filho, C.M. Souza

Jr., S.C. Wofsy, 2012. The Amazon Basin in transition. Nature 481, 321-328.

doi: 10.1038/nature10717

Palace, M., M. Keller, S. Frolking, G. Hurtt, 2012. A Review of Above Ground Necromass in Tropical

Forests pp. 215-252 in Tropical Forests, P. Sudarshana, M. Nageswara-Rao and J. R. Soneji

(Ed.), ISBN: 978-953-51-0255-7, InTech: Rijeka, Croatia.

<http://www.intechopen.com/articles/show/title/a-review-of-above-ground-necromass-in-

tropical-forests>

Miller S., M.L. Goulden, L.R. Hutyra, M. Keller, S.R. Saleska, S.C. Wofsy, A.M.S. Figueira, H.R. da

Rocha, and P.B. de Camargo, 2012. Reduced impact logging minimally impacts tropical

rainforest carbon and energy exchange. Proceedings of the National Academy of Sciences,

doi:10.1073/pnas.1105068108.

Michael Keller


T. R. Feldpausch, L. Banin, O.L. Phillips, T. R. Baker, S.L. Lewis, C.A. Quesada, K. Affum-Baffoe,

E.J.M.M. Arets, N.J. Berry, M. Bird, E.S. Brondizio, P. de Camargo, J. Chave, G. Djagbletey, T.

F. Domingues M. Drescher, P.M. Fearnside, M.B. França, N.M. Fyllas, G. Lopez-Gonzalez, A.

Hladik, N. Higuchi, M.O. Hunter, Y. Iida, K.A. Salim, A.R. Kassim, M. Keller, J. Kemp, D.A.

King, J.C. Lovett, B.S. Marimon, B. H. Marimon-Junior, E. Lenza, A. R. Marshall, D. J.

Metcalfe, E. T. A. Mitchard, E. F. Moran, B. W. Nelson, R. Nilus, E. M. Nogueira, M. Palace, S.

Patiño, K. S.-H. Peh, M.T. Raventos, J.M. Reitsma, G. Saiz, , F. Schrodt, B. Sonke, H.E.

Taedoumg, S. Tan, L. White, H. Wöll, and J. Lloyd, 2011. Height-diameter allometry of tropical

forest trees. Biogeosciences, 8, 1081-1106, doi:10.5194/bg-8-1081-2011.

Souza-Neto, E., J.B. Carmo, M. Keller, S.C. Martins, L.F. Alves, S.A. Vieira, M.C. Piccolo, P. Camargo,

H.T.Z. Couto, C. A. Joly, and L.A. Martinelli, 2011. Soil-atmosphere exchange of nitrous oxide,

methane, and carbon dioxide in a gradient of elevation in the coastal Brazilian Atlantic forest.

Biogeosciences, 8, 733–742, doi:10.5194/bg-8-733-2011.

Luo, Y. J. Melillo, S. Niu, C. Beier, J.S. Clark, A.T. Classen, E. Davidson, J.S. Dukes, R.D. Evans, C.B.

Field, C.I. Czimczik, M. Keller, B.A. Kimball, L.M. Kueppers, R.J. Norby, S.L. Pelini, E.

Pendall, E. Rastetter, J. Six, M. Smith, M.G. Tjoelker, M.S. Torn, 2011. Coordinated approaches

to quantify long-term ecosystem dynamics in response to global change. Global Change Biology,

17, 843-854, doi: 10.1111/j.1365-2486.2010.02265.x.

van Haren, J.L.M., R.C. de Oliveira Jr., N. Restrepo-Coupe, L. Hutyra, P.B. de Camargo, M. Keller, and

S.R. Saleska, 2010. Do plant species influence soil CO2 and N2O fluxes in a diverse tropical

forest? J. Geophysical Research. DOI: 10.1029/2009JG001231

Espírito‐ Santo, F. D. B., M. Keller, B. Braswell, B. W. Nelson, S. Frolking, and G. Vicente, 2010, Storm

intensity and old‐ growth forest disturbances in the Amazon region, Geophys. Res. Lett. , 37,

L11403, doi: 10.1029/2010GL043146.

Kampe, T.U., B.R. Johnson, M. Kuester, and M. Keller, 2010. NEON: the first continental-scale

ecological observatory with airborne remote sensing of vegetation canopy biochemistry and

structure. J. Appl. Remote Sensing. 4, 043510. doi: 10.1117/1.3361375.

Asner, G.P., M. Keller, M. Lentini, F. Merry, and C. Souza Jr., 2009. Selective Logging and its Relation

to Deforestation, pp. 25-42 in Keller, M., M. Bustamante, J. Gash, and P. Silva Dias (Eds.),

2009. Amazonia and Global Change. Washington, American Geophysical Union. doi:

10.1029/2008GM000723 (ISBN: 978-0-87590-476-4)

Bustamante, M.M.C., M. Keller, and D. A. Silva, 2009. Sources and Sinks of Trace Gases in Amazonia

and the Cerrado, pp. 337-354 in Keller, M., M. Bustamante, J. Gash, and P. Silva Dias (Eds.),

2009. Amazonia and Global Change. Washington, American Geophysical Union. doi:

10.1029/2008GM000733 (ISBN: 978-0-87590-476-4)

Xiao, X., C. Biradar, C. Czarnecki, T. Alabi, T., and M. Keller, 2009. A simple algorithm for large‐scale mapping of evergreen forests in tropical America, Africa and Asia. Remote Sensing, 1, 355

‐ 374. doi:10.3390/rs1030355

Huang M., G.P. Asner, M. Keller, and J. Berry, 2008. An ecosystem model for tropical forest disturbance

and selective logging. J. Geophysical Reseaerch, 113, G01002, doi: 10.1029/2007JG000438.

Michael Keller


Palace, M., M. Keller, and H. Silva, 2008. Necromass Production: Studies in Undisturbed and Logged

Amazon Forests. Ecological Applications, 18, 873-884, doi: 10.1890/06-2022.1

Palace, M., M. Keller, G.P. Asner , S. Hagen, and B. Braswell, 2008. Amazon forest structure from

IKONOS satellite data and the automated characterization of forest canopy properties.

Biotropica 40, 141-150, doi:10.1111/j.1744-7429.2007.00353.x.

Broadbent, E.N., G.P. Asner, M. Keller, D.E. Knapp, P.J.C. Oliveira, J.N. Silva, 2008. Forest

fragmentation and edge effects from deforestation and selective logging in the Brazilian Amazon.

Biological Conservation, 141, 1745-1757, DOI: 10.1016/j.biocon.2008.04.024.

McGroddy, M. E., W.L. Silver, R.C. de Oliveira, Jr., W.Z. de Mello, W. Z., and M. Keller, 2008.

Retention of phosphorus in highly weathered soils under a lowland Amazonian forest ecosystem.

J. Geophysical Research, 113, GO4012, doi:10.1029/2008JG000756.

Keller, M., D. Schimel, W.W. Hargrove, and F.M. Hoffman, 2008. A continental strategy for the National

Ecological Observatory Network. Frontiers in Ecology and the Environment, 6, 282-284. Doi:

10.1890/1540-9295(2008)6[282:ACSFTN]2.0.CO;2

Lefsky, M.A., M. Keller, Y. Pang, P.B. de Camargo, and M.O. Hunter, 2007. Revised method for forest

canopy height estimation from Geoscience Laser Altimeter System waveforms. Journal of

Applied Remote Sensing 1, 013537, doi: 10.1117/1.2795724.

Keller, M. G.P. Asner, G. Blate, J. McGlocklin, F. Merry, M. Peña-Claros, and J. Zweede, 2007. Timber

production in selectively logged tropical forests of South America. Frontiers in Ecology and the

Environment 5, 213-216. 10.1890/1540-9295(2007)5[213:TPISLT]2.0.CO;2

Palace, M., M. Keller, G.P. Asner, J.N.M. Silva, and C. Passos, 2007. Necromass in undisturbed and

logged forests in the Brazilian Amazon. Forest Ecology and Management 238, 309-318,

doi:10.1016/j.foreco.2006.10.026.

Carmo, J. B. do, M. Keller, J. D. Dias, P. B. de Camargo, and P. Crill, 2006. A source of methane from

upland forests in the Brazilian Amazon, Geophysical Research Letters, 33, L04809,

doi:10.1029/2005GL025436.

Asner, G.P., E.N. Broadbent, P.J.C. Oliveira, M. Keller, D.E. Knapp, J.N. Silva, 2006. Condition and

fate of logged forests in the Brazilian Amazon. Proceedings of the National Academy of

Sciences, 103:12,947-12,950, doi:10.1073/pnas.0604093103.

Xiao, X. S. Hagen, Q. Zhang, M. Keller, and B. Moore III, 2006. Detecting leaf phenology of seasonally

moist tropical forests in South America with multi-temporal MODIS images. Remote Sensing of

Environment, 103:465-473. Doi: 10.1016/j.rse.2006.04.013

Keller, M., Varner, R.K., Dias, J.D., Silva, H., Crill, P., de Oliveira Jr., R.C., and Asner, G.P, 2005. Soil-

Atmosphere Exchange of Nitrous Oxide, Nitric Oxide, Methane, and Carbon Dioxide in Logged

and Undisturbed Forest in the Tapajos National Forest, Brazil. Earth Interactions. Vol. 9, Paper

23. Doi: 10.1175/EI125.1

Asner, G.P., D.E. Knapp, E.N. Broadbent, P.J.C. Oliveira, M. Keller, J.N. Silva, 2005. Selective logging

in the Brazilian Amazon. Science 310, 480-482, 2005. Doi: 10.1126/science.1118051

Michael Keller


Lefsky, M., Harding, D.J., Keller, M., Camargo, P.B., Cohen, W.B., Carabajal, C.C., Espirito-Santo,

F.D.B., Hunter, M.O., and de Oliveira Jr, R.C, 2005. Estimates of forest canopy height and

aboveground biomass using ICESat. Geophysical Research Letters, 32, L22S02,

doi:10.1029/2005GL023971.

Wick, B., E. Veldkamp, W.Z. de Mello, M. Keller, and P. Crill. 2005. Nitrous oxide fluxes and nitrogen

cycling along a pasture chronosequence in Central Amazonia, Brazil. Biogeosciences 2, 175–

187.

Xiao, X. Q. Zhang, S. Saleska, L. Hutyra, P. De Camargo, S. Wofsy, S. Frolking, S. Boles, M. Keller,

and B. Moore III. 2005. Satellite-based modeling of gross primary production in a seasonally

moist tropical evergreen forest. Remote Sensing of Environment, 94:105-122. Doi:

10.1016/j.rse.2004.08.015

Silver, W.L., A.W. Thompson, M.E. McGroddy, R.K. Varner, J.D. Dias, H. Silva, P.M. Crill, and M.

Keller. 2005. Fine Root Dynamics and Trace Gas Fluxes in Two Lowland Tropical Forest Soils.

Global Change Biology, 11:290–306, doi: 10.1111/j.1365-2486.2005.00903.x

Keller, M., G. P. Asner, J.M.N. Silva, and M. Palace. 2004. Sustainability of Selective Logging of

Upland Forests in the Brazilian Amazon: Carbon Budgets and Remote Sensing as Tools for

Evaluation of Logging Effects. pp. 41-63 in D.J. Zarin, J. Alavalapati, F.E. Putz, M. Schmink

(eds.) Working Forests in the American Tropics: Conservation Through Sustainable

Management? Colombia University Press. New York. (ISBN 0-231-12907-6)

Keller, M. M.A. Silva-Dias, D.C. Nepstad, M.O. Andreae. 2004. The Large-Scale Biosphere Atmosphere

Experiment in Amazonia: Analyzing Regional Land Use Change Effects. pp. 321- 334 in R.

DeFries, G.Anser and R. Houghton (eds.) Ecosystems and Land Use Change, American

Geophysical Union, Washington, DC. (ISBN 0-87590-418-1)

Keller, M., M. Palace, G.P. Asner, R. Pereira Jr., and J.N.M. da Silva. 2004. Coarse Woody Debris in

Undisturbed and Logged Forests in the Eastern Brazilian Amazon Global Change Biology 10:

784-795. 10.1111/j.1529-8817.2003.00770.x

Asner, G.P., M. Keller, and J.N.M. da Silva. Spatial and Temporal Dynamics of Forest Canopy Gaps

Following Selective Logging in the Eastern Amazon. 2004. Global Change Biology 10: 765-

783. Doi: 10.1111/j.1529-8817.2003.00756.x

Asner, G.P., Keller, M. Pereira Jr., R., Zweede, J.C. and Silva, J.N. 2004. Canopy Damage and Recovery

Following Selective Logging in an Amazon Forest: Integrating Field and Satellite Studies.

Ecological Applications 14: S280-S298. Doi: 10.1890/01-6019

Rice, A. H., E. H. Pyle, S. R. Saleska, L. Hutyra, P. B. de Camargo, K. Portilho, D.F. Marques, M.

Palace, M. Keller and S.C. Wofsy. 2004. Carbon Balance and Vegetation Dynamics in an Old-

growth Amazonian Forest. Ecological Applications 14: S55-S71. Doi: 10.1890/02-6006.

Keller, M., A Alencar, G.P. Asner, B. Braswell, M. Bustamante, E. Davidson, T. Feldpausch, E.

Fernandes, M.Goulden, P. Kabat, B. Kruijt, F. Luizão, S. Miller, D. Markewitz, A.D. Nobre, C.A.

Nobre, N. Priante Filho, H. Rocha, P. Silva Dias, C. von Randow, G.L. Vourlitis. 2004.

Ecological Research in the Large Scale Biosphere Atmosphere Experiment in Amazonia (LBA):

Early Results Ecological Applications. Ecological Applications 14: S3-S16. Doi: 10.1890/03-

6003

Michael Keller


Moldan, F., S. Seitzinger, V.T. Eviner, J.N. Galloway, X. Han, M. Keller, P. Nannipieri, W.O. Smith Jr.,

and H. Tiessen. 2003. Potential for deliberate management of element interactions to address

major environmental issues. pp. 93-114, in J.M. Melillo, C.B. Field, and B. Moldan (eds.)

Interactions of the Major Biogeochemical Cycles: Global Change and Human Impacts. Island

Press, Washington, DC. (ISBN 1-55963-066-3)

Christensen, T.R. and M. Keller. 2003. Element interactions and trace gas exchange. pp. 247-258 in

J.M. Melillo, C.B. Field, and B. Moldan (eds.) Interactions of the Major Biogeochemical Cycles:

Global Change and Human Impacts. Island Press, Washington, DC. (ISBN 1-55963-066-3)

Roberts, D., M. Keller, J.V. Soares. 2003. Studies of land-cover, land-use, and biophysical properties of

vegetation in the Large Scale Biosphere-Atmosphere Experiment in Amazonia (LBA). Remote

Sensing of Environment 87: 377-388. Doi: 10.1016/j.rse.2003.08.012

Hurtt, G., X. Xiao, M. Keller, M. Fearon, M. Palace, G. Vourlitis, L. Guild, T. Sa, B.H. Braswell, S.

Hagen, M. Cardoso, A. Schloss, B. Moore III, C. Nobre. 2003. IKONOS imagery for the Large

Scale Biosphere-Atmosphere Experiment in Amazonia. Remote Sensing of Environment, 88:111-

127. Doi: 10.1016/j.rse.2003.04.004

Saleska, S.R., S.D. Miller, D.M. Matross, M.L. Goulden, S.C. Wofsy, H.R. da Rocha, P.B. de Camargo,

P. Crill, B.C. Daube, H.C. Freitas, L. Hutrya, M. Keller, V. Kirchhoff, M. Menton, J.W. Munger,

E.H. Pyle, A.H. Rice, and H. Silva. 2003. Carbon in Amazon forests: Unexpected seasonal

fluxes and disturbance-induced losses. Science 302: 1554-1557. Doi: 10.1126/science.1091165

Ozanne, C.M.P., Anhuf, D., Boulter, S.L., Keller, M., Kitching, R.L., Körner, C., Meinzer, F.C.,

Mitchell, A.W., Nakashizuka, T., Silva Dias, P.L., Stork, N.E., Wright, S.J., and Yoshimura,

M. 2003. Biodiversity meets the atmosphere: A global view of forest canopies. Science 301:

183-186. Doi: 10.1126/science.1084507

Varner, R.K., Keller, M., Robertson, J.R., Dias, J.D. Silva, H., Crill, P.M., McGroddy, M. and Silver,

W.L. (2003) Experimentally induced root mortality increased nitrous oxide emission from

tropical forest soils. Geophysical Research Letters. 30(3) 1144, doi: 10.1029/2002GL016164.

Reiners, W. A., S. Liu, K.G. Gerow, M. Keller and D.S. Schimel. 2002. Historical and future land use

effects on N2O and NO emissions using an ensemble modeling approach: Costa Rica's Caribbean

lowlands as an example. Global Biogeochemical Cycles, 16(4), 1068, doi: 10.1029/2001GB001437.

Asner, G.P. M. Palace, M. Keller, R. Pereira Jr., J.N.M. Silva, and J.C. Zweede. 2002. Estimating canopy

structure in an Amazon forest from laser rangefinder and IKONOS satellite observations.

Biotropica 34: 483-492. Doi: 10.1646/0006-3606(2002)034[0483:ECSIAA]2.0.CO;2

Erickson, H., E.A. Davidson, and M. Keller. 2002. Former land-use and tree species affect nitrogen

oxide emissions from a tropical dry forest. Oecologia 130: 297-308. Doi:

10.1007/s004420100801

Asner, G.P., M. Keller, R. Pereira Jr. and J.C. Zweede. 2002. Remote sensing of selective logging in

Amazonia: assessing limitations based on detailed field observations, Landsat ETM+, and

textural analysis. Remote Sensing of Environment 80:483-496. Doi: 10.1016/S0034-

4257(01)00326-1

Michael Keller


Pereira, R., J.C. Zweede, G.P. Asner, and M. Keller. 2002. Forest canopy damage and recovery in

reduced impact and conventional selective logging in eastern Para, Brazil. Forest Ecology and

Management 168: 77-89. Doi: 10.1016/S0378-1127(01)00732-0

Keller, M., M. Palace, and G.E. Hurtt. 2001. Biomass in the Tapajos National Forest, Brazil:

Examination of Sampling and Allometric Uncertainties. Forest Ecology and Management 154:

371-382. Doi: 10.1016/S0378-1127(01)00509-6

McSwiney, C.P., W.H. McDowell, and M. Keller. 2001. Distribution of nitrous oxide and regulators of

its production across a tropical rainforest catena in the Luquillo Experimental Forest, Puerto Rico.

Biogeochemistry 56:265-286. Doi: 10.1023/A:1013191010244

Nobre, A.D., M. Keller, P.M. Crill, and R.C. Harriss. 2001. Short-term nitrous oxide profile dynamics

and emissions response to water, nitrogen and carbon additions in two tropical soils. Biology and

Fertility of Soils 34: 363-373. Doi: 10.1007/s003740100396

Erickson, H.E., M. Keller, and E.A. Davidson. 2001. Nitrogen Oxide Fluxes and Ecosystem Nitrogen

Cycling during Postagricultural Succession and Forest Fertilization in the Humid Tropics.

Ecosystems 4: 67-84. Doi: 10.1007/s100210000060

Weitz A.M., E. Linder, S. Frolking, P.M. Crill, and M. Keller. 2001. N2O emissions from humid tropical

agricultural soils: Effects of soil moisture, texture, and nitrogen availability. Soil Biology and

Biochemistry 33: 1077-1093. Doi: 10.1016/S0038-0717(01)00013-X

Veldkamp, E., A.M. Weitz, and M. Keller. 2001. Management Effects on Methane Fluxes in Humid

Tropical Pasture Soils. Soil Biology and Biochemistry 33: 1493-1499. Doi: 10.1016/S0038-

0717(01)00060-8

Keller, M., A. M. Weitz, B. Bryan, M. M. Rivera, and W. L. Silver. 2000. Soil-atmosphere nitrogen

oxide fluxes: Effects of root disturbance. Journal of Geophysical Research 105: 17,693-17,698.

Doi: 10.1029/2000JD900068

Liu, S., W.A. Reiners, M. Keller and D.S. Schimel. 2000. Simulation of nitrous oxide and nitric oxide

emissions from tropical primary forests in the Costa Rican Atlantic Zone. Environmental

Modelling & Software 15:727-743. Doi: 10.1016/S1364-8152(00)00030-X

Davidson, E.A., Keller, M., Erickson, H.E., Verchot, L.V. and Veldkamp, E. 2000. Testing a conceptual

model of soil emissions of nitrous and nitric oxides. Bioscience. 50:667-680. Doi:

10.1641/0006-3568(2000)050[0667:TACMOS]2.0.CO;2

Crill, P.M., Keller, M., Weitz, A.M., Grauel, B., and Veldkamp, E. 2000. Intensive field measurements

of nitrous oxide emissions from a tropical agricultural soil. Global Biogeochemical Cycles. 14:

85-95. Doi: 10.1029/1999GB900088

Silver W., Neff, J.C., McGroddy, M., Veldkamp, E., Keller, M. and Oliveira Jr., R.C. 2000. Effects of

soil texture on belowground carbon and nutrient storage in a lowland Amazonian forest

ecosystem. Ecosystems 3:193-209. Doi: 10.1007/s100210000019.

Michael Keller


Weitz, A.M., Keller, M., Linder, E. and Crill, P.M. 1999. Spatial and temporal variability of nitrogen

oxide and methane fluxes from a fertilized tree plantation in Costa Rica. Journal of Geophysical

Research. 104:30,097-30,107. Doi: doi:10.1029/1999JD900952

Perez, T., Trumbore, S.E., Tyler, S.C., Davidson, E.A. , Keller, M., and De Camargo, P.B. 2000.

Isotopic variability of N2O emissions from tropical forest soils. Global Biogeochemical Cycles.

14: 525-535. Doi: 10.1029/1999GB001181

Silver, W., Lugo, A.E. and Keller, M. 1999. Soil oxygen availability and biogeochemistry along rainfall

and topographic gradients in upland wet tropical forest soils. Biogeochemistry 44:301-328. Doi:

10.1023/A:1006034126698

Veldkamp, E. Davidson, E.A., Erickson, H.E., Keller, M. and Weitz, A.M. 1999. Soil nitrogen cycling

and nitrogen oxide emissions along a pasture chronosequence in the humid tropics of Costa Rica.

Soil Biology and Biochemistry. 31: 387-394. 10.1016/S0038-0717(98)00141-2

Keller, M. and Lerdau, M.T. 1999. Isoprene emission from tropical canopy leaves. Global

Biogeochemical Cycles 13: 19-29. Doi: 10.1029/1998GB900007

Liu, S., Reiners, W.A., Keller, M., and Schimel, D.S. 1999. Model simulation of changes in nitrogen

trace gas emissions with the conversion of tropical rain forests to pastures in the Costa Rican

Atlantic Zone. Global Biogeochemical Cycles 13: 663-677. Doi: 10.1029/1999GB900002

Verchot, L., Davidson, E.A., Cattanio, J.H., Ackerman, I.L., Erickson, H.E., and Keller, M. 1999. Land

use change and biogeochemical controls of nitrogen oxide emissions from soils in Eastern

Amazonia. Global Biogeochemical Cycles, 13: 31-46. Doi: 10.1029/1998GB900019

Chestnut, T.J., Zarin, D.J., McDowell, W.H. and Keller, M. 1999. A nitrogen budget for late-

successional hillslope tabonuco forest, Puerto Rico. Biogeochemistry, 46: 85-108. Doi:

10.1023/A:1006104229691

Weitz, A.M., Veldkamp, E., Keller, M., Neff, J. and Crill, P.M. 1998. Nitrous oxide, nitric oxide, and

methane fluxes from soils following clearing and burning of tropical secondary forest. Journal of

Geophysical Research 103: 28,047- 28,058. Doi: 10.1029/98JD02144

Mosier, A.R., Delgado, J.A., and Keller, M. 1998. Methane and nitrous oxide fluxes in an acid oxisol in

Western Puerto Rico: Impact of tillage, liming, and fertilization. Soil Biology and Biochemistry.

30:2087-2098. 10.1016/S0038-0717(98)00085-6

Reiners, W.A.,Keller, M., and Gerow, K. 1998. Estimating rainy season nitrous oxide and methane

fluxes across forest and pasture landscapes in Costa Rica. Water Air and Soil Pollution 105:117-

130. Doi: 10.1023/A:1005078214585

Veldkamp, E., Keller, M. and Nuñez, M., 1998. Effects of pasture management on N2O and NO

emissions from soils in the humid tropics of Costa Rica. Global Biogeochemical Cycles. 12: 71-

79. Doi: 10.1029/97GB02730

Veldkamp, E. and Keller, M., 1997. Fertilizer induced nitric oxide emissions from agricultural soils.

Nutrient Cycling in Agroecosystems, 48: 69-77. Doi: 10.1023/A:1009725319290

Michael Keller


Lerdau, M.T. and Keller, M., 1997. Isoprene emission from trees in a sub-tropical dry forest. Plant, Cell,

and Environment, 20:569-578. Doi: 10.1111/j.1365-3040.1997.00075.x

Keller, M., Melillo, J.M., de Mello, W.Z., 1997. Trace gas emissions from ecosystems of the Amazon

Basin. Ciencia e Cultura, 49:87-97.

Veldkamp E. and Keller, M., 1997. Nitrogen oxide emissions from a banana plantation in the humid

tropics. Journal of Geophysical Research. 102:15,889-15,898. Doi: 10.1029/97JD00767

Weitz, A.M, Grauel W.T., Keller, M., and Veldkamp, E. 1997. Calibration of time domain

reflectometry technique using undisturbed soil samples from humid tropical soils of volcanic

origin. Water Resources Research, 33:1241-1249. Doi: 10.1029/96WR03956

Erickson, H.E., and Keller, M., 1997. Tropical land use change and soil emission of nitrogen oxides. Soil

Use and Management. 13:278-287. Doi: 10.1111/j.1475-2743.1997.tb00599.x

Valdés-González, J,. Rossi, F., Quesada, J. Marenco, H., Wright, J., Núñez, M., and Keller, M. 1997.

Tropospheric ozone in San José, Costa Rica. Ingeniería y Ciencia Química. 16: 65-66.

Keller, M, Clark, D.A, Clark D.B., Weitz, A.M. and Veldkamp, E., 1996. If a tree falls in the forest...

Science, 273:201. Doi: 10.1126/science.273.5272.201

Neff, J., Keller, M., Holland, E., Weitz, A., and Veldkamp, E., 1995. Fluxes of nitric oxide following

clearing and burning of a tropical rain forest. Journal of Geophysical Research, 100:25913-

25922. Doi: 10.1029/95JD02027

W. F. J. Parsons and Keller, M. 1995. Controls on nitric oxide emissions from tropical pasture and rain

forest soils. Biology and Fertility of Soils, 20:151-156. Doi: 10.1007/BF00336551

Keller, M. and Stallard, R.F. 1994. Methane emission by bubbling from Gatun Lake, Panama. Journal of

Geophysical Research , 99: 8307-8319. Doi: 10.1029/92JD02170

Keller, M. and Matson, P. A. 1994. Evaluating the effects of tropical land use changes on atmospheric

composition. pp. 103-118 in R. G. Prinn (ed.) Global Atmospheric-Biospheric Chemistry,

Plenum Publishing Company, New York.

Keller, M. and Reiners, W. A. 1994 Soil-atmosphere exchange of nitrous oxide, nitric oxide, and

methane under secondary succession of pasture to forest in the Atlantic lowlands of Costa Rica.

Global Biogeochemical Cycles, 8:399-409. Doi: 10.1029/94GB01660

Keller, M. 1994. Controls on soil-atmosphere fluxes of nitrous oxide and methane: Effects of tropical

deforestation. pp. 121-138 in R.G. Zepp (ed.) Climate Biosphere Interaction: Biogenic

Emissions and Environmental Effects of Climate Change, John Wiley and Sons, New York.

Reiners, W. A., Bouwman, A. F., Parsons, W. F. J., and Keller, M. 1994. Tropical rain forest conversion

to pasture: Changes in vegetation and soil properties. Ecological Applications, 4: 363-377. Doi:

10.2307/1941940

Keller, M., Veldkamp, E., Weitz, A.M., and Reiners, W.A. 1993. Pasture age effects on soil-atmosphere

trace gas exchange in a deforested area of Costa Rica. Nature, 365: 244-246. Doi:

10.1038/365244a0

Michael Keller


Parsons, W. F. J., Mitre, M. E., Keller, M. and Reiners, W. A. 1993. Nitrate limitation of N2O

production and denitrification from tropical pasture soils. Biogeochemistry, 22: 179-193. Doi:

DOI: 10.1007/BF00000646.

Keller, M., Galbally, I., Bär, M., Davidson, E., Fitzjarrald, D., Harris, G., Johansson, C., Matson, P.,

Nobre, C., Sanhueza, E., and Stewart, J., 1992. Tropical land use change and trace gas emissions.

Ecological Bulletin (Copenhagen), 42:156-163.

Keller, M., Jacob, D.J., Wofsy, S.C., and Harriss, R.C. 1991. Effects of tropical deforestation on global

and regional atmospheric chemistry. Climatic Change, 19:139-158. Doi: 10.1007/BF00142221

Keller, M., Mitre, M.E., and Stallard, R.F., 1990. Consumption of atmospheric methane in tropical soils:

Effects of agricultural development. Global Biogeochemical Cycles, 4:21-27. Doi:

doi:10.1029/GB004i001p00021

Keller, M., 1990. Biological Sources and Sinks of Methane in Tropical Habitats and Tropical

Atmospheric Chemistry. Cooperative Thesis No. 126. National Center for Atmospheric Research,

Boulder, Colorado, 216 pp.

Bakwin, P.S., Wofsy, S.C., Fan, S.-M., Keller, M., Trumbore, S.E. and da Costa, J.M. 1990. Emission of

nitric oxide (NO) from tropical forest soils and exchange of NO between the forest canopy and

atmospheric boundary layers. Journal of Geophysical Research, 95:16755-16763. Doi:

10.1029/JD095iD10p16755

Trumbore, S.E., Keller, M., Wofsy, S.C., and da Costa, J.M., 1990. Measurement of soil and canopy

exchange rates in the Amazon rain forest using 222Rn. Journal of Geophysical Research,

95:16865-16873. Doi: 10.1029/JD095iD10p16865

Robertson, G.P., Andreae, M.O., Bingemer, H.G., Crutzen, P.J., Delmas, R.A., Duyzer, J.H., Fung, I.,

Harriss, R.C., Kanakidou, M., Keller, M., Melillo, J.M., and Zavarzin, G.A., 1989. Trace gas

exchange and the chemical and physical climate: Critical interactions. pp. 303-320 in Andreae,

M.O. and Schimel, D.S. (eds.) Exchange of Trace Gases between Terrestrial Ecosystems and the

Atmosphere, John Wiley and Sons, New York.

Kaplan, W.A., Wofsy, S.C., Keller, M., and da Costa, J.M., 1988. Emission of NO and deposition of O3 in

a tropical forest system. Journal of Geophysical Research, 93:1389-1395. Doi:

10.1029/JD093iD02p01389

Keller, M., Kaplan, W.A.,Wofsy, S.C. and da Costa, J.M., 1988. Emissions of N2O from tropical forest

soils: Response to fertilization with NH4+, NO3-, and PO43-. Journal of Geophysical Research,

93:1600-1604. Doi: 10.1029/JD093iD02p01600

Keller, M. Kaplan, W.A. and Wofsy, S.C., 1986. Emissions of N2O, CH4, and CO2, from tropical forest

soils. Journal of Geophysical Research, 91:11791-11802. Doi: 10.1029/JD091iD11p11791

Keller, M., Goreau, T.J., Kaplan, W.A., Wofsy, S.C. and McElroy, M.B., 1983. Production of nitrous

oxide and consumption of methane by forest soils. Geophysical Research Letters, 10:1156-1159.

Doi: 10.1029/GL010i012p01156

Michael Keller


Documented and Archived Data Sets

Keller, M., R.C. Oliveira Jr., P.B. Camargo, F.D.B. Espirito-Santo, and M.O. Hunter. 2007. LBA-ECO

TG-07 Forest Structure Measurements for GLAS Validation: Santarem 2004. Oak Ridge National

Laboratory Distributed Active Archive Center, Oak Ridge, Tennessee, U.S.A.

doi:10.3334/ORNLDAAC/836.

Asner, G. P., M. Keller, R. Pereira Jr., J. C. Zweede, J. N. M. Silva. 2008. LBA-ECO LC-13 GIS

Coverages of Logged Areas, Juruena, Mato Grosso, Brazil: 2002. Oak Ridge National Laboratory

Distributed Active Archive Center, Oak Ridge, Tennessee, U.S.A.


Asner, G.P., M. Keller, R. Pereira, J.C. Zweede, R. Pereira. 2008. LBA-ECO LC-13 GIS Coverages of

Logged Areas, Tapajos Forest, Para, Brazil: 1996, 1998. Oak Ridge National Laboratory



Keller, M.M. and M.W. Palace. 2009. LBA-ECO TG-07 Ground-based Biometry Data at km 83 Site,

Tapajos National Forest: 1997. Oak Ridge National Laboratory Distributed Active Archive

Center, Oak Ridge, Tennessee, U.S.A. doi:10.3334/ORNLDAAC/923

Varner, R.K. and M.M. Keller. 2009. LBA-ECO TG-07 Soil CO2 Flux by Automated Chamber, Para,

Brazil: 2001-2003. Oak Ridge National Laboratory Distributed Active Archive Center, Oak

Ridge, Tennessee, U.S.A. doi:10.3334/ORNLDAAC/927

Varner, R.K. and M.M. Keller. 2009. LBA-ECO TG-07 Soil Trace Gas Flux and Root Mortality, Tapajos

National Forest. Oak Ridge National Laboratory Distributed Active Archive Center, Oak Ridge,

Tennessee, U.S.A. doi:10.3334/ORNLDAAC/924

Keller, M.M., R.K. Varner, J.D. Dias, H.S. Silva, P.M. Crill, R.C. de Oliveira, Jr., and G.P. Asner. 2009.

LBA-ECO TG-07 Trace Gas Fluxes, Undisturbed and Logged Sites, Para, Brazil: 2000-2002.

Oak Ridge National Laboratory Distributed Active Archive Center, Oak Ridge, Tennessee,

U.S.A. doi:10.3334/ORNLDAAC/926

Varner, R.K. and M. Keller. 2011. LBA-ECO TG-07 Soil Trace Gas Fluxes km 67 Seca-Floresta Site,

Tapajos National Forest. Oak Ridge National Laboratory Distributed Active Archive Center, Oak

Ridge, Tennessee, U.S.A. http://dx.doi.org/10.3334/ORNLDAAC/1026

Silver, W.L., A.W. Thompson, M.E. McGroddy, R.K. Varner, J.R. Robertson, J.D. Dias, H. Silva, P.

Crill, and M. Keller. 2012. LBA-ECO TG-07 Long-Term Soil Gas Flux and Root Mortality,

Tapajos National Forest. Oak Ridge National Laboratory Distributed Active Archive Center, Oak

Ridge, Tennessee, U.S.A. http://dx.doi.org/10.3334/ORNLDAAC/1116

do Carmo, J.B., M. Keller, J.D. Dias, P.B. de Camargo and P.M. Crill. 2012. LBA-ECO TG-07 Seasonal

Trace Gas Profiles in Brazilian Amazon Forests: 2004-2005. Oak Ridge National Laboratory


http://dx.doi.org/10.3334/ORNLDAAC/1107



Michael Keller


Asner, G., M. Palace, M. Keller, M. Pereira, J. Silva, and J. Zweede. 2012. LBA-ECO TG-07 Tree

Geometry in an Undisturbed Forest in Cauaxi, Para, Brazil. Oak Ridge National Laboratory



Asner,G.P., D.E. Knapp, E.N. Broadbent, P.J.C. Oliveira, M. Keller, and J.N. Silva. 2013. LBA-ECO LC-

21 Brazilian Amazon Fractional Land Cover Images: 1999-2002. Oak Ridge National Laboratory



Asner, G.P., D.E. Knapp, E.N. Broadbent, P.J.C. Oliveira, M.M. Keller, and J.N.M. Silva. 2013. LBA-

ECO LC-21 Selective Logging Activity in the Brazilian Amazon: 1999-2002. Oak Ridge

National Laboratory Distributed Active Archive Center, Oak Ridge, Tennessee, USA


dos-Santos, M.N., and M.M. Keller. 2016. CMS: LiDAR Data for Forested Areas in Paragominas, Para,

Brazil, 2012-2014. Oak Ridge National Laboratory Distributed Active Archive Center, Oak

Ridge, Tennessee, USA. http://dx.doi.org/10.3334/ORNLDAAC/1302

dos-Santos, M.N., and M.M. Keller. 2016. CMS: Forest Inventory and Biophysical Measurements, Para,

Brazil, 2012-2014. Oak Ridge National Laboratory Distributed Active Archive Center, Oak

Ridge, Tennessee, USA. http://dx.doi.org/10.3334/ORNLDAAC/1301

dos-Santos, M.N., and M.M. Keller. 2016. Sustainable Landscapes Brazil Data: Lidar remote sensing

and forest inventory. EMBRAPA Satellite Monitoring, Campinas, Sao Paulo, Brazil.

http://mapas.cnpm.embrapa.br/paisagenssustentaveis/

Contracts and Grants:

September 2015. “Lidar Remote Sensing of Brazilian Amazon Forests: Analysis of Forest Biomass

Forest Degradation, and Secondary Regrowth” Jean Pierre Ometto is Principal Investigator.

USAID PEER ($223,250); 3 years.

August 2015. “Os impactos de mudanças de uso de solo no ciclo de carbono e degradação florestal na

Amazônia [The impacts of land use change on the carbon cycle and forest degradation in

Amazonia]” Post-Doctoral Fellowship to support Dr. Marcos Longo. Keller is Principal

Investigator. Sao Paulo State Research Foundation (R$179,918); 2 years.

April 2015. “Next Generation Ecosystem Experiment (NGEE) Tropics.” Jeffrey Chambers is Principal

Investigator. DOE ($25.5 Million); 3 years. Keller is Co-Investigator responsible for $690,691

and a member of the project Executive Committee.

May 2014. “Biomass in Degraded Forests in Peru and Brazil: Evaluation Using Airborne Lidar Remote

Sensing.” Keller is Principal Investigator. SilvaCarbon ($224,037); 2 years.

December 2013. “Mudanças de uso da terra e suas interações com processos de degradação florestal na

Amazônia” [Land use change and interactions with forest degradation processes in Amazonia].

Keller is Co-Principal Investigator and Technical Coordinator with Dr. Mateus Batistella.

Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq Brasil) (R$926,656;

~$421,000 US); 3 years.





http://mapas.cnpm.embrapa.br/paisagenssustentaveis/

Michael Keller


August 2013. “A data assimilation approach to quantify uncertainty for estimates of biomass stocks and

changes in Amazon forests” Keller is Principal Investigator. NASA Carbon Monitoring Systems

NNH13AW64I ($603,224); 3 years.

April 2012. “Dynamics of Amazon Forest Disturbance and Recovery from Multi-temporal Airborne

Lidar.” Keller is Co-Investigator with Dr. Douglas Morton, NASA Goddard Space Flight Center.

NASA – Terrestrial Ecology ($635,000); 3 years.

April 2012. “Tropical Moist Forest Structure and Biomass from InSAR and Lidar.” Keller is Co-

Investigator with Dr. Robert Treuhaft, NASA Jet Propulsion Laboratory. NASA – Terrestrial

Ecology ($700,000); 3 years.

January 2009. “Scaling Forest Biometric Properties Derived from High Resolution Imagery to the

Amazon Basin using Moderate Resolution Spectral Reflectance Data,” Keller is Co-Investigator

with Dr. Michael Palace, University of New Hampshire. NASA – Terrestrial Ecology

NNH07ZDA001N-TE. ($ 442,439); 3 years.

May 2008. A Historical Reconstruction of Vegetation Change and a Carbon Budget for the Brazilian

Cerrado Using Multiple Satellite Sensors and Historical Aerial Photography, Keller is Principal

Investigator. NASA Carbon Science NNH07ZDA001N-CARBON. ($864,518); 3 years.

May 2006. “A Global Forest Canopy Height and Vertical Structure Product from the Geoscience Laser

Altimeter System.” Keller is Co-Investigator with Dr. Michael Lefsky, Colorado State

University. National Aeronautics and Space Administration, $225,449 (of total grant $833,217);

3 years.

September 2005. "Forest Ecosystem Studies at the Tapajos National Forest, Brazil." Keller is the

Principal Investigator. USDA Forest Service Chief's Emergency Fund, $750,000; 2 years.

January 2005. "Synthesis and Integration of Ecological Research within the Large Scale Biosphere-

Atmosphere Experiment in Amazonia (LBA) and Science Support for LBA-ECO" Keller is

Principal Investigator. National Aeronautics and Space Administration, $1,061,268; 3 years.

January 2005. “Sustainability of Forest Productivity and Timber Production in the Tapajos National

Forest, Belterra, Para, Brazil” Keller is the Principal Investigator. USDA Forest Service,

$612,853; 5 years.

June 2004. “Improved Estimates of Aboveground Biomass using MODIS and the Geoscience Laser

Altimeter System.” Keller is Co-Investigator with Dr. Michael Lefsky, Colorado State

University; National Aeronautics and Space Administration, 3 years.

January 2002. “Ecosystem Respiration and Trace Gas Exchange in Undisturbed and Selectively Logged

Forests in the Brazilian Amazon Region.” Keller is Principal Investigator. National Aeronautics

and Space Administration; $2,300,000; 3 years.

July 2001. “Amazon Forest Selective Logging and Phenology from Imaging Spectroscopy.” Keller was

Co-Investigator with Dr. Greg Asner, Carnegie Institution. National Aeronautics and Space

Administration; 3 years.

Michael Keller


October 1999. “Evaluation of EO-1 Hyperion and ALI for Detection and Biophysical Characterization of

Selective Logging in Amazonia.” Keller is Co-Investigator with Dr. Greg Asner, University of

Colorado. National Aeronautics and Space Administration; 2 years.

July 1998. "Soil Biogeochemistry of Carbon, Nutrients, and Trace Gases in the Amazon Region of Brazil:

Field and Model Studies of Natural and Managed Conditions." Keller is Principal Investigator.

National Aeronautics and Space Administration; $1,254,000; 3.5 years.

May 1997. "Tropical Biogeochemistry and NASA LBA-Ecology Science Support" Keller is Principal

Investigator. National Aeronautics and Space Administration; $565,000; 4.5 years.

July 1994, "Land Management in the Tropics and Its Effects on the Global Environment;" Keller was Co-

Investigator with Dr. Brad Weiner and 12 additional investigators from the University of Puerto

Rico; National Aeronautics and Space Administration; $316,000 (Keller's portion of $3.3 million

total grant); 5 years.

May 1994, "Development of a Center for Tropical Atmospheric Sciences in Puerto Rico;" Keller was Co-

Investigator with Dr. Juan Gonzalez and 22 additional investigators from the University of Puerto

Rico; $210,000 (Keller's portion of $4.5 million total grant); National Aeronautics and Space

Administration; 3 years.

June 1993, "Nitrous Oxide Emissions from Tropical Agricultural Soils: Intensive Field Experiments and

Development of a Process Model;" Keller was Principal Investigator.; $560,000; National

Aeronautics and Space Administration; 4 years.

June 1993, "Testing a Simple Conceptual Model of Soil Emissions of NO and N2O Across a Broad Range

of Forest Types and Pastures Within the Tropical Forest Biome;" Keller was Co-Investigator with

Dr. Eric Davidson (Woods Hole Research Center); $286,366 (Keller's portion of $480,000 total

grant); National Aeronautics and Space Administration; 3 years.

July 1992, "Biogeochemistry and Atmospheric Interactions in Tropical Forests: Responses to Global

Change;" Keller; $554,076; Keller was the principal investigator. Environmental Protection

Agency; 3 years.

Courses Taught:

Evaluation of Forest Structure and Function (Museo Paraense Emilio Goeldi, Caxiuanã Field Station

2004) – course and team teaching for a two week intensive course on field techniques in tropical

forest structure and function.

Integration of Modeling in the Large-Scale Biosphere-Atmosphere Experiments in Amazonia (Centro de

Prevenção do Tempo e Estudos Climáticos, 2000) – course development, coordination, and team

teaching for a two week intensive course on ecological modeling. I lectured on general principles

of ecological modeling, taught practical sessions on modeling with Stella and advised individual

projects.

Michael Keller


Curso de Operações de Sitios Experimentais [Course on the Operation of Experimental Sites] (Instituto

Nacional de Pesquisas da Amazônia, 1998) – course development and team teaching for a two

week intensive field course on observational methods for micrometeorology, carbon and trace gas

flux measurements. I lectured and taught laboratory sessions on gas measurement and gas

handling techniques and I advised individual projects.

Tropical Forest Ecology (University of Puerto Rico, 1993) – team teaching in a semester long course, I

contributed lectures related to ecosystem productivity, nutrient cycling, and the fluxes of trace

gases.

Doctoral Student Advisor

Michael W. Palace, (University of New Hampshire, 2006)

Fernando Espírito-Santo (University of New Hampshire, 2012)

Maria O’Healy Hunter (University of New Hampshire, 2014)

Doctoral Student Advisory Committees:

Jason Neff (Stanford University, 1999)

Claire McSwiney (University of New Hampshire, 1999)

Antje Weitz (University of New Hampshire, 2000)

Evilene Lopes (University of New Hampshire, 2005)

Michael Palace (University of New Hampshire, 2006)

Raimundo Cosme de Oliveira Jr. (Universidade Federal do Pará, Brazil, 2006)

Carlos Alberto Silva (University of Idaho, in progress)

Masters Student Advisory Committees:

Hudson Silva (University of New Hampshire, 2005)

Outside Examiner on Doctoral Dissertations:

Jason Neff, Stanford University, California, USA, 1999)

Roel Plant (Wageningen Agricultural University, The Netherlands, 1999)

Eric Duchemin (Université du Québec à Montréal, Canada; 2000)

Luanne Beverly Otter (University of Witwatersrand, Republic of South Africa, 2000)

Reinaldo Imbrozio Barbosa (Instituto Nacional de Pesquisas da Amazônia, Brazil, 2001)

Alexandre Pinto (Universidade de Brasilia, Brazil, 2002)

Janaina Brago do Carmo (Universidade de São Paulo, Brazil, 2004)

Raimundo Cosme de Oliveira Junior (Universidade Federal do Pará, Belém, Brazil, 2006)

Gina Cardinot (Universidade Federal de Rio de Janeiro, Brazil, 2007)

Divaldo Rezende (Universidade de Aveiro, Portugal, 2009)

Debora Drucker (Universidade Estadual de Campinas, Brazil, 2012)

Jomar Magalhães Barbosa (Universidade de São Paulo, Brazil, 2013)

Outside Examiner on Master’s Theses:

José Mauro Sousa de Moura (Escola de Agricultura Luiz Queiroz (ESALQ), Piracicaba, São

Paulo, Brazil, 2006)

Rodrigo Alexandre Sbravatti Piromal (Instituto Nacional de Pesquisas Espaciais, San José dos

Campos, Brazil, 2006)

Demetrius Lira Martins (Instituto Nacional de Pesquisas da Amazônia, Manaus, Brazil, 2012)

Veronika Leitold (Instituto Nacional de Pesquisas Espaciais, San José dos Campos, Brazil, 2014)

Camila Valéria de Jesus Silva, (Instituto Nacional de Pesquisas Espaciais, San José dos Campos,

Brazil, 2014)

Michael Keller


Licenciatura Thesis Advisor:

Martin Mitre (Universidad de Panamá,1988)

Marvin Nuñez (Universidad de Costa Rica, 1992)

Bachelor of Science Thesis Advisor:

Jillana Robertson (University of New Hampshire, 2001)

Paul Peppler (University of New Hampshire, 2005)

Peer Reviews for Journals : Atmospheric Chemistry and Physics, Biogeochemistry, Bioscience,

Biotropica, Chemosphere, Climatic Change, Ecological Applications, Ecological Monographs,

Ecology, Ecosphere, Ecosystems, Environmental Science and Technology, Forest Ecology and

Management, Geophysical Research Letters, Global Biogeochemical Cycles, Global Change

Biology, Interciencia, Journal of Applied Ecology, Journal of Ecology, Journal of Geophysical

Research, Journal of Tropical Ecology, Landscape Ecology, Limnology and Oceanography,

Nature, Nutrient Cycling in Agroecosystems, Oecologia, Philosphical Transactions of the Royal

Society (London), Proceedings of the National Academy of Sciences, Revista Brasileira de

Meteorologia, Science, Soil Biology and Biochemistry, Tellus, and Trends in Ecology and

Evolution.

Peer Reviewer and Panelist for Governmental and Non-Governmental Agencies and Programs: Environmental Protection Agency, Inter-American Institute for Global Change Research, Inter-

governmental Panel on Climate Change (IPCC), NERC (United Kingdom), NASA Terrestrial

Ecology, NASA Land Use and Cover Change, NASA Hydrometeorology, National Geographic

Foundation, NSF Divisions of Atmospheric Sciences and Environmental Biology, USDA

National Research Initiative Competitive Grants Program, National Research Foundation (South

Africa), São Paulo State Research Foundation (FAPESP)

Membership in Professional Societies

American Association for the Advancement of Science

American Geophysical Union

Additional Information

ORCID: 0000-0002-0253-3359

Researcher ID: A-8976-2012

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