EFFECTS OF CHINA’S MULTI-REGIONAL TRANSITIONS OF PRODUCTION AND CONSUMPTION PATTERNS ON WATER USE IN THE PEARL RIVER BASIN

ZHONG Qiumeng; DENG Zijun; LIANG Yuhan; LI Hui; LIANG Sai

doi:10.13205/j.hjgc.202404009

Volume 42 Issue 4

Apr. 2024

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Article Navigation > ENVIRONMENTAL ENGINEERING > 2024 > 42(4): 74-81

ZHONG Qiumeng, DENG Zijun, LIANG Yuhan, LI Hui, LIANG Sai. EFFECTS OF CHINA’S MULTI-REGIONAL TRANSITIONS OF PRODUCTION AND CONSUMPTION PATTERNS ON WATER USE IN THE PEARL RIVER BASIN[J]. ENVIRONMENTAL ENGINEERING , 2024, 42(4): 74-81. doi: 10.13205/j.hjgc.202404009

Citation:

ZHONG Qiumeng, DENG Zijun, LIANG Yuhan, LI Hui, LIANG Sai. EFFECTS OF CHINA’S MULTI-REGIONAL TRANSITIONS OF PRODUCTION AND CONSUMPTION PATTERNS ON WATER USE IN THE PEARL RIVER BASIN[J]. ENVIRONMENTAL ENGINEERING , 2024, 42(4): 74-81. doi: 10.13205/j.hjgc.202404009

Citation:

ZHONG Qiumeng, DENG Zijun, LIANG Yuhan, LI Hui, LIANG Sai. EFFECTS OF CHINA’S MULTI-REGIONAL TRANSITIONS OF PRODUCTION AND CONSUMPTION PATTERNS ON WATER USE IN THE PEARL RIVER BASIN[J]. ENVIRONMENTAL ENGINEERING , 2024, 42(4): 74-81. doi: 10.13205/j.hjgc.202404009

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EFFECTS OF CHINA’S MULTI-REGIONAL TRANSITIONS OF PRODUCTION AND CONSUMPTION PATTERNS ON WATER USE IN THE PEARL RIVER BASIN

doi: 10.13205/j.hjgc.202404009

1. Guangdong Basic Research Center of Excellence for Ecological Security and Green Development in Guangdong-Hong Kong-Macao Greater Bay Area (GBA),Key Laboratory for City Cluster Environmental Safety and Green Development of the Ministry of Education, School of Ecology, Environment and Resources, Guangdong University of Technology,Guangzhou 510006, China;
2. State Key Joint Laboratory of Environment Simulation and Pollution Control, School of Environment, Beijing Normal University,Beijing 100875, China

Received Date: 2023-02-13
Available Online: 2024-06-01

Abstract

Abstract

The basin compound ecosystem consists of the socioeconomic system and natural water system. Exploring the effects of production and consumption pattern transitions within and outside the basin on water uses in the basin can provide new insights into water resource management of the basin compound ecosystem. Based on the environmentally extended multi-regional input-output model and structural decomposition analysis, this study investigated the effects of China’s multi-regional transitions of production and consumption patterns on water use changes in the Pearl River Basin from 2007 to 2017. Results showed that the final demand from outside the basin drove 20% to 23% of water use in the Pearl River Basin. Zhejiang and Hebei contributed significantly to the water use increments in the Pearl River Basin. In contrast, Shanghai and Beijing were vital in reducing water use. These two provinces contributed even more than those within the basin (except for Guangxi and Guangdong), mainly attributed to their optimizations of the final demand structure. The decline in water use intensity is a critical factor contributing to the water use reductions in the Pearl River Basin. However, in addition to improving water use efficiency within the basin, it is urgent to break through the end-of-pipe control-oriented approach for water resource management. This study proposed that water resource management in the Pearl River Basin should take a multi-regional compound ecosystem perspective. Policymakers should pay attention to collaborative transitions of production and consumption patterns of both in-basin and out-of-basin regions, and reduce water uses of the whole supply chain from the demand perspective.
- input-output analysis,
- structural decomposition analysis,
- the Pearl River Basin,
- final demand

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References(21)

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