쌀 생산 및 소비에 따른 지역 간 청색 가상수 흐름 추정을 통한 지역 수자원의 기여도 분석
Analyzing the Contribution of Regional Water Resource through the Regional Blue Water Flows of Rice Products
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초록
The aim of this study is to analyze the contribution of regional water resources through the gap between water used for rice production and water used forconsumption. The blue water use for rice production and for consumption was quantified and the regional blue water flows were estimated using the virtualwater concept from 1995 to 2010. About 1134.4 Mm3/yr of blue water flowed among the provinces and metropolises of Korea, and about 28.5 % of total bluewater flows came from Jeonnam province. In addition, blue water usage for rice was classified into three categories: water for production, internalconsumption, and overproduction in each region. In Jeonnam, 633.8 Mm3/yr of blue water totally used for rice production, and 50.9 % and 15.5 % were usedfor external and internal rice consumption, respectively. The other 33.6 % was used for over production of rice for food security. This study assumed the bluewater flows depended on the gap between virtual water use for rice production and consumption. However, the analysis of regional blue water usage and flowsmight show the importance of other region’s water resources, and make policy decision-makers aware of the integrated water management among the regions.
Abstract
The aim of this study is to analyze the contribution of regional water resources through the gap between water used for rice production and water used forconsumption. The blue water use for rice production and for consumption was quantified and the regional blue water flows were estimated using the virtualwater concept from 1995 to 2010. About 1134.4 Mm3/yr of blue water flowed among the provinces and metropolises of Korea, and about 28.5 % of total bluewater flows came from Jeonnam province. In addition, blue water usage for rice was classified into three categories: water for production, internalconsumption, and overproduction in each region. In Jeonnam, 633.8 Mm3/yr of blue water totally used for rice production, and 50.9 % and 15.5 % were usedfor external and internal rice consumption, respectively. The other 33.6 % was used for over production of rice for food security. This study assumed the bluewater flows depended on the gap between virtual water use for rice production and consumption. However, the analysis of regional blue water usage and flowsmight show the importance of other region’s water resources, and make policy decision-makers aware of the integrated water management among the regions.
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