history of tree-ring research ii
DESCRIPTION
History of Tree-Ring Research II. January 16, 2009. Douglass, A.E. 1929. The secret of the southwest solved by talkative tree rings. National Geographic Magazine 56(6):736-770. Douglass in Storeroom. Laboratory of Tree-Ring Research Tucson, Arizona 1940. Edmund Schulman (1908 – 1958). - PowerPoint PPT PresentationTRANSCRIPT
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History of Tree-Ring Research II
History of Tree-Ring Research II
January 16, 2009January 16, 2009
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Douglass, A.E. 1929. The secret of the southwest solved by talkative tree rings. National Geographic Magazine 56(6):736-770.
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Douglass in Storeroom
Laboratory of Tree-Ring Research Tucson, Arizona 1940
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Edmund Schulman (1908 – 1958)
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Edmund Schulman (1908 – 1958)
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Florence Hawley
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Bruno Huber (1899 – 1969)
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Harold C. Fritts (1928 – )
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Malcolm K. Hughes
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Edward R. Cook
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David W. Stahle
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Henri Grissino-Mayer
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Subfields of Dendrochronology
• Dendroarchaeology: Dating of Archaeological dwellings.• Dendroclimatology: Developing a record of past climate.• Dendrogeomorphology: Dating land movements such as
landslides in the past.• Dendrohydrology: Creating a record of past water availability
and flooding.• Dendroglaciology: Dating past movements of glaciers.• Dendrovolcanology: Dating the past eruptions of volcanoes.• Dendrochemistry: Using tree rings as a monitor of the
chemical makeup of the soil.• Dendroecology: Recording ecological processes such as tree-
line movement, insect outbreaks, or movement of invasive tree species.
• Dendropyrochronology: Dating the past occurrence of forest fires.
• Dendroentomology: The use of tree rings to reconstruct past population levels of insects.
• Dendromastecology: The use of tree rings to reconstruct fruiting events in trees.
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Individual tree species that can live to more than 1,000 years,that we know of? • Intermountain bristlecone pine (Pinus longaeva D.K. Bailey), 4,844 years
old • Alerce (Fitzroya cuppressoides (Molina) Johnston), 3,620 years old • Giant sequoia (Sequoiadendron giganteum (Lindl.) Buchholz), 3,300
years old • Rocky Mountain bristlecone pine (Pinus aristata Engelm.), 2,425 years old • Coast redwood (Sequoia sempervirens (D.Don) Endl.), 2,200 years old • Foxtail pine (Pinus balfouriana Grev. & Balf.), 2,110 years old • Rocky Mountain juniper (Juniperus scopulorum Sarg.), 1,889 years old • Limber pine (Pinus flexilis James), 1,670 years old • Alaska yellow-cedar (Chamaecyparis nootkatensis (D.Don) Spach), 1,636• Baldcypress (Taxodium distichum (L.) Rich.), 1,622 years old • Western juniper (Juniperus occidentalis Hook.), 1,288 years old • Douglas-fir (Pseudotsuga menziesii (Mirb.) Franco), 1,275 years old • Huon pine (Lagarostrobus franklinii C.J. Quinn), 1,089 years old • Northern white-cedar (Thuja occidentalis L.), 1,032 years old • Himalayan Hemlock (Tsuga dumosa) 1,011 years old
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International Tree Ring Data Bank (ITRDB)
http://www.ngdc.noaa.gov/paleo/treering.html
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ITRDB Web site
ITRDB: International Tree-Ring Data Bank