A Multi-objective Decision-making Model for Water Demand Management Based on ET Indicator

摘要

This paper aims at comprehensively considering the mutual coupling between available water resources and water consumption in (i) a regional social economy system;;(ii) a macro-economy system;;and (iii) an ecological environmental system. The main focus is to investigate the impact of controlling the total amount of ET and to be able to utilize water resources efficiently. An analytic model for multi-objective decision making of water demand management based on ET indicator is developed in order to research the strategies and corresponding water demand schemes that are relevant to future objectives for economic development, agricultural development, ET regulation and control, water engineering investment, and water environment management of Beijing. Various scenarios examined in the study indicate the validity of the proposed method in analyzing water demand administrative decisions.