TY - JOUR A1 - Zhang, S. A1 - Zhang, R. A1 - Liu, T. A1 - Song, X. A1 - Adams, M. A. T1 - Empirical and model-based estimates of spatial and temporal variations in net primary productivity in semi-arid grasslands of Northern China JO - Hydrol. Earth Syst. Sci. Discuss. J1 - HESSD VL - 2017 SP - 1 EP - 23 Y1 - 2017/01/20 PB - Copernicus Publications SN - 1812-2116 UR - https://hess.copernicus.org/preprints/hess-2016-631/ L1 - https://hess.copernicus.org/preprints/hess-2016-631/hess-2016-631.pdf DO - 10.5194/hess-2016-631 ER -