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Climate News

  • Oct 14 - Warmest September globally in 134 years of data
    The average global temperature was 14.77 degrees C (58.6 degrees F),  0.77 degrees C (1.39 degrees F) above the 1951-1980 average for September. It was the 26th warmest September in 120 years of record keeping in the US. Hot spots included California with the warmest January-September period ever; Hilo, Hawaii, hit 33.9 degrees C (93 Fahrenheit) to break a monthly record that had stood since 1951; and Cold Bay, Alaska, had its warmest September ever. But a Sept. 10-11 storm set records for earliest snowfall in some spots in the Rockies and Dakotas.
  • Oct 7 - Beginnings of a megadrought in the SW
    The chances of the southwestern United States experiencing a decade long drought is at least 50%, and the chances of a “megadrought” -- one that lasts over 30 years -- ranges from 20 to 50 percent over the next century according to a team of scientists from U. AZ, Cornell and USGS.

    Source: Toby R. Ault, Julia E. Cole, Jonathan T. Overpeck, Gregory T. Pederson, David M. Meko. Assessing the risk of persistent drought using climate model simulations and paleoclimate data. Journal of Climate, 2014; 140122102410007 DOI: 10.1175/JCLI-D-12-00282.1
  • Oct 7 - Western US lost equivalent of annual mass loss of Greenland Ice Sheet
  • Sep 23 - Rocky Montain Forests at Risk
  • Sep 23 - Arctic sea ice continues to decline

Climate Change Datasets

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General Circulation Models (GCMs)

General circulation models (GCMs or global climate models) have been designed to simulate the planet's future climate.  In the past 30 years climate modelers have been improving the GCMs' spatial resolution from the first assessment report (FAR-1995) to the fourth report (AR4-2007) for the IPCC (Intergovernmental Panel for Climate Change) to meet the ...

The MAPSS Model

MAPSS (Mapped Atmosphere-Plant-Soil System) is a static biogeography model that projects potential vegetation distribution and hydrological flows on a grid. It simulates type of vegetation and density for all upland vegetation from deserts to wet forests. It uses long term, average ...

MC1 Dynamic Global Vegetation Model
[ MC1 ]( is a widely used dynamic global vegetation model (DGVM) that has been used to simulate potential vegetation shifts in California and Alaska, all of North America, and over the entire globe under various climate change scenarios. However, past simulations were run at a scale that is too coarse (e.g., 10km x 10km for the
Seasonal Fire Forecasting

One notable aspect of the MC1 Dynamic General Vegetation Model (DGVM) is the process-based fire module which simulates fire events and their impact on vegetation through time at regional to global scales. The module was built to explore the response of fire and its impacts to century-long ...

Sea Level Rise

The Pacific Northwest coast includes a wide diversity of coastal habitats from including bluffs, sandy beaches, coastal marshes, tidal flats and eelgrass beds, supporting myriad species of fish and wildlife as well as local economies and cultural history. These coastal habitat are threatened by various human activities due to continued population ...