Climate Change Impacts on Public Lands in the Upper Colorado River Basin


Start Date

Primary Investigators
Jason Neff
Karen Cozzetto
Dan Fernandez

Geographic Region

BLM/USFS San Juan Public Lands Center

This project entailed the development of a simple ecophysiological model to produce initial drought vulnerability mapping that could be used by land managers in climate change analysis and planning efforts. A model incorporating climate, soil, and vegetation was run with precipitation data from 1948–1998 to produce a vulnerability map representing plant communities, soil textures and depth, and precipitation gradients. In the model used, transpiration and precipitation were very strong predictors of drought vulnerability. However, for the model to be of greater value to land managers, it needs a second soil depth layer in order to capture the true difference between summer and winter precipitation.

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