TY - Acta Geographica Sinica A1 - ZHANG Guangxin, DENG Wei, HE Yan T1 - The Simulation and Optimized Management Model of Groundwater Systems Based on Eco-environmental Water Demand Y1 - 2002-09-25 00:00:00.0 JF - Acta Geographica Sinica JO - Acta Geographica Sinica SP - 611 EP - 618 VL - 57 IS - 5 UR - {https://www.geog.com.cn/EN/10.11821/xb200205014} N1 - 10.11821/xb200205014 ER -