5Stephenson N L, Climatic control of vegetation distribution: the role of the water balance [J ] . Am. Nat. , 1990, 135 : 649-670.
6Churkina G, Running S W, Schloss A L. The participants of the Potsdam NPP model intercomparison[ C ]//Comparing global models of terrestrial net primary productivity (NPP) : the importance of water availability . Glob . Change Biol. 5(Suppl. 1 ), 1999: 46-55.
7Dunn S M, Mackay R. Spatial variation in evapotranspiration and the influence of land use on catchment hydrology[J] . Hydrol. , 1995, 171 : 49-73 .
8Eckhardt K, Breuer L, Frede H G. Parameter uncertainty and the significance of simulated land use change effects, [J] . Hydrol. , 2003, 273: 164-176.
9Skiles J W, Hanson J D . Responses of arid and semiarid watersheds to increasing carbon dioxide and climate change as shown by simulation studies[J ] . Clim Change, 1994, 26: 377-397.
10Milly P C D . Sensitivity of greenhouse summer dryness to changes in plant rooting characteristics [ J ] . Geophys . Res. Lett, 1997, 24: 269-271.