new england's changing climate

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New England’s Changing Climate

Cameron Wake, Ph. D. Institute for the Study of Earth, Oceans, and Space (EOS)

Josephine A Lamprey Professor in Climate & Sustainability University of New Hampshire

@TheClimateDr http://CarbonSolutionsNE.org

Climate Change and New England Forests 18 Nov 2015

Global Temperature & CO2

National Climate Assessment 2014

http://www.climatecentral.org

www.climate.gov

New Hampshire Climate Assessments

ClimateSolutionsNE.org

Southern NH : Average Annual MINIMUM Temperature 1895 – 2012 Monthly data from US Historical Climatology Network

Southern NH Annual Precipitation

1895 – 2012

Monthly data from US Historical Climatology

Network

Palmer Drought Severity Index

Precipitation Events >4” in 48 hrs per Decade Daily data from US Global Historical Climatology Network

Northeast Regional Climate Ctr Atlas for Extreme Precipitation 24 hr 100-year rainfall = 8.5” Data up through 2008 http://precip.eas.cornell.edu/

Updated 24-hour 100-year Design Storm

TP-40 (Hershfield 1961) Rainfall Frequency Atlas 24 hr 100-year rainfall = 6.3” 1938-1957 5 6 7 8 9 in

Federal Expenditures on Presidentially Declared Disasters & Emergency Declarations in NH

1998: Ice Storm 2005: Alstead/Keene Floods (Oct) 2006: Mother’s Day Flood (May) 2007: Patriots Day Flood (April) 2008: Tornado; Floods; Ice Storm 2010: Windstorm; Floods 2011: Irene 2012: Flooding; Sandy

Data from: www.fema.gov/disasters/grid/state-tribal-government

Southern NH: Trends Per Decade in Temperature and Precipitation

Trends that meet Mann-Kendall non-parametric test for statistical significance are bold and underlined.

Global Greenhouse Gas Emission Scenarios Key Input for GCM projections of future climate change

IPCC 2007

Projecting Future Climate Change for the Northeast: Downscale Global Projections to Regional Level

Projections from 4 different global climate models: NOAA – GFDL UKMO – HadCM3 NCAR – PCM NCAR – CCSM3

New England Mean Annual Temperature 2070 – 2099 Average of statistically downscaled simulations from 4 GCMs

A1fi B1

NH Meteorological Stations (•) Temperature

New England: Average Summer MAXIMUM Temperature 1960-2099 Average of statistically downscaled simulations from 4 GCMs

New England: Number of Days Hotter than 90oF (30 year averages) Average of statistically downscaled simulations from 4 GCMs

New England: Length of Growing Season (30 year averages) Average of statistically downscaled simulations from 4 GCMs

NH Meteorological Stations (•) Precip.

New England: Average Annual Precipitation 1960-2099 Average of statistically downscaled simulations from 4 GCMs

New England: Precipitation Events >4” in 48 hrs per Decade Average of statistically downscaled simulations from 4 GCMs

New England: Days with Snow on the Ground Average of statistically downscaled simulations from 4 GCMs

credit: Associated Press

Drought

1-3 months 3-6 months >6 months

Hayhoe, Wake, et al. (2007) Climate Dynamics

Changes in Habitat Suitability for Different Forest Types by Late-Century

Iverson L, A Prasad and S Matthews (2008) Modeling potential climate change impacts on the trees of the northeastern United States. Mitigation and Adaptation Strategies for Global Change. 13, 487-516.

AP Photo/Robert F. Bukaty

Late-Century Range of Hemlock Woolly Adelgid

Paradis et al (2008) Role of winter temperature and climate change on the survival and future range expansion of the hemlock woolly adelgid in eastern North America. Mitigation and Adaptation Strategies for Global Change 13(5-6), 541-554.

New Hampshire Climate Assessments

ClimateSolutionsNE.org

Dynamical Downscaling WRF Domains

Grid Cell Resolutions 27 – 9 – 3 km2

New Hampshire Land Cover Scenarios

• Produce narrative descriptions and MAPS of land cover • Range of possible future conditions • Reflect key informant perspectives & existing plans/visions • Maps provide boundary conditions for process models

Backyard Amenities

Current Trends

Community Amenities

Community Amenities with Ag

Data Discovery Center: http://epscor-ddc.sr.unh.edu

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