1. Allen R G, Pereira L S, Raes D et al., 1998. Crop Evapotranspiration: Guidelines for Computing Crop Water Requirements. FAO Irrigation and Drainage Paper 56. Rome: United Nations Food and Agriculture Organization.
2. Dai Erfu, Wu Shaohong, Li Shuangcheng et al., 2006. Spatial variability on vegetation parameters in Longitudinal Range-Gorge Region. Chinese Science Bulletin, 51(Suppl.): 1–8.
3. Francis P H O, John T Riedel, 1979. Precipitable water over the United States, Vol,2: Semimonthly Maxima, NOAA Technical Report NWS 20, July.
4. Grinsted A, Jevrejeva S, Moore J, 2004. Application of the cross wavelet transform and wavelet coherence to geophysical time series. Nonlinear Process Geophys., 11: 561–566.
5. Hao Chengyuan, Dai Erfu, Wu Shaohong et al., 2006. Research on barrier function and spatio-temporal heterogeneity of vegetation in southern LRGR. Chinese Science Bulletin, 51(Suppl.): 143–153.