Arnold Schwarzenegger Governor HYDROLOGICAL TRENDS OVER THE WESTERN UNITED STATES: PATTERNS AND POTENTIAL CAUSES
نویسندگان
چکیده
..................................................................................................................................................... ix Executive Summary ................................................................................................................................... 1 1.0 Introduction .................................................................................................................................... 1 2.0 Data Sets and Models .................................................................................................................... 9 2.1. Observed Data and Global Climate Model Results .............................................................. 9 2.2. Downscaling of the Control Run ............................................................................................. 9 2.3. Hydrological Model ................................................................................................................. 10 2.4. Definition of Climate Variables .............................................................................................. 11 2.5. Natural Variability in the Control Run ................................................................................. 11 3.0 Methodology ................................................................................................................................. 14 4.0 Results and Discussions .............................................................................................................. 16 4.1. Spatial Pattern of Observed Trends ....................................................................................... 16 4.2. Comparison of Observed Trends With Model Control Run Trends Distribution at the Grid Scale .............................................................................................................................................. 18 4.3. Detection at Catchment Scale ................................................................................................. 26 5.0 Summary and Conclusions ......................................................................................................... 30 6.0 References ..................................................................................................................................... 34
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