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在中国的区域边界内保护地下水酸盐

Xin Xu^1,2, Yiyang Zou¹, Hongru Pan³

¹College of Environmental & Resource Sciences, Zhejiang University, Hangzhou 310058, China.

Environmental science & technology

|December 20, 2024

概括

中国中国中国中国.

科学领域:

环境科学环境科学
水文学的水文学
农业科学农业科学

背景情况:

地下水对人类活动和生态系统至关重要.
人类活动造成的酸盐污染威胁着全球地下水质量.
在地下水中保持安全的含量是一个重大挑战.

研究的目的:

为了评估中国地下水中的酸盐污染.
确定酸盐污染的主要来源.
评估缓解策略及其经济效益.

主要方法:

分析了3134个地下水样本.
气预算建模气预算建模
评估当前的减缓实践.

主要成果:

自2000年代以来,中国的平均酸盐度增加了29%,达到14毫克N L-1 .
农田,垃圾填埋场和废水是主要来源,占酸盐泄漏总量的73% (2000-2020年).
缓解可以减少45% (1.93万N) 的漂水,并为社会带来830亿美元的利益.

结论:

目前的缓解措施不足以保护所有省级地下水资源.
特定地点的政策和额外的措施对于地下水保护至关重要.
迫切需要针对性的战略来保护中国的地下水质量.

关键词:

进行成本效益分析.地下水地下水地下水酸盐污染污染酸盐污染的化洗过程区域边界是区域边界.

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