Evaluation of glacier service function and value in the Sanjiangyuan Nature Reserve in China (SNRC)

IF 9.7 1区环境科学与生态学 Q1 ENGINEERING, ENVIRONMENTAL

Journal of Cleaner Production Pub Date : 2023-08-01 DOI:10.1016/j.jclepro.2023.137284

Meiping Sun , Weiqian Ma , Xiaojun Yao , Yuan Zhang , Yang Yang

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引用次数: 1

Abstract

The quantitative evaluation of glacier service value is crucial to solve the contradiction between eco-environmental protection and socio-economic development in the alpine area, and to establish a reasonable ecosystem compensation mechanism. Based on glacier outlines in 2000, 2010 and 2018, glacier service value and its changes in the Sanjiangyuan Nature Reserve of China (SNRC) were determined by constructing an assessment system that integrates the glacier volume equation, the unit area service price, and the inflation rate. The total value of glacier service was 42.15 billion CNY in the SNRC in 2018, which is about half of this regional gross domestic product (GDP). Among the various service functions, the descending order of value was climate regulation (23.59 billion CNY, 55.96%), run-off regulation (9.73 billion CNY, 23.08%), hydro-electric power generation (6.48 billion CNY, 15.38%), fresh water supply (2.22 billion CNY, 5.26%) and other service functions (0.13 billion CNY, 0.32%). The value of glacier service in each basins and municipal areas relied on glacier area. Due to the glacier recession, the service value of glaciers in the SNRC decreased by 5.01 billion CNY (−10.63%) in 2000–2018, with a spatial characteristic of the increase in the east and decrease in the middle and west. Except for climate regulation, all other values of glacier service were increasing. Especially for aesthetics and recreation, and scientific research and environmental education of glaciers, their values showed a rapid growth trend with social development.

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中国三江源自然保护区冰川服务功能与价值评价

冰川服务价值的定量评价对于解决高寒地区生态环境保护与社会经济发展之间的矛盾，建立合理的生态补偿机制至关重要。以2000年、2010年和2018年三江源自然保护区冰川轮廓为基础，通过构建冰川体积方程、单位面积服务价格和通货膨胀率相结合的评价体系，确定了三江源自然保护区冰川服务价值及其变化。2018年，青藏高原冰川服务总值为421.5亿元，约占该地区国内生产总值的一半。在各类服务功能中，价值由高到低依次为气候调节(235.9亿元，占55.96%)、径流调节(97.3亿元，占23.08%)、水力发电(64.8亿元，占15.38%)、淡水供应(22.2亿元，占5.26%)和其他服务功能(1.3亿元，占0.32%)。各流域和市区冰川服务价值依赖于冰川面积。受冰川退缩影响，2000-2018年青藏高原冰川服务价值减少50.1亿元(- 10.63%)，呈现出东部增加，中部和西部减少的空间特征。除气候调节外，其他冰川服务值均呈增加趋势。尤其是对冰川的审美娱乐、科学研究和环境教育，其价值随着社会的发展呈现出快速增长的趋势。

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来源期刊

Journal of Cleaner Production 环境科学-工程：环境

CiteScore

20.40

自引率

9.00%

发文量

4720

审稿时长

111 days

期刊介绍： The Journal of Cleaner Production is an international, transdisciplinary journal that addresses and discusses theoretical and practical Cleaner Production, Environmental, and Sustainability issues. It aims to help societies become more sustainable by focusing on the concept of 'Cleaner Production', which aims at preventing waste production and increasing efficiencies in energy, water, resources, and human capital use. The journal serves as a platform for corporations, governments, education institutions, regions, and societies to engage in discussions and research related to Cleaner Production, environmental, and sustainability practices.