Abstract Introduction Strategy Continental to Subcontinental Climate Modeling Comparison of Model Simulations with Observed Present-Day Climate Simulation of a Potential 2 X CO2 Climate Simulated Changes in Surface Hydrology Regional Lake Responses Lake-Specific Responses Streamflow Simulated Changes in Plant Distributions Present-Day Climate and Plant Distributions Comparison of Present-Day and Potential Future Ranges Discussion of Changes in Plant Distributions Conclusions Acknowledgments References Cited

ACRONYMS USED IN THIS REPORT
Acronym	Meaning
AGCM	atmospheric general circulation model
BATS	biosphere-atmosphere transfer scheme (Dickinson and others, 1993)
GENESIS	global environmental and ecological simulation of interactive systems
GHG	greenhouse gases
INSTAAR	Institute for Arctic and Alpine Research (Boulder, Colo.)
NCAR	National Center for Atmospheric Research (Boulder, Colo.)
RegCM	regional climate model

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