气候变化及人类活动对地表径流改变的贡献率及其量化方法研究进展
Research Progress on the Quantitative Methods of Calculating Contribution Rates of Climate Change and Human Activities to Surface Runoff Changes
查看参考文献68篇
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文摘
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地表径流的变化受气候变化和人类活动的双重驱动力作用,定量评估气候变化及人类活动对地表径流变化的影响对水资源管理具有重大意义。论文以水文循环过程为主线,分过程阐述气候变化及人类活动影响地表径流发生变化的机制机理,对各种量化二者对地表径流变化贡献率的方法进行比较,然后分析全球部分流域气候变化和人类活动对地表径流变化影响的差异。研究结果表明:1)气候变化和人类活动参与水文循环的各个过程之中,不同水文过程中气候变化和人类活动影响地表径流变化的途径不同;2)不同量化方法的适用范围和条件不同,不同方法对同一流域的研究结果可能不一致;3)全球不同流域间气候变化和人类活动对地表径流变化贡献率存在明显区域差异。现阶段,综合多种突变检验方法有利于提高识别地表径流突变点的准确率;消除干扰因素(如气象水文等数据选取、模型方法参数设置和方法本身不确定性)有利于提高同一流域不同量化方法评估结果的一致性;如何更好地耦合基于物理的水文模型方法和基于数学的经验统计方法来量化二者对地表径流变化的贡献率是未来研究的重点。 |
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其他语种文摘
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Surface runoff change is affected by climate change and human activities.Quantitative assessment the impacts of climate change and human activities on surface runoff changes is significant for water resources management.This paper analyzes the mechanism that climate change and human activities affect the change of surface runoff based on the process of hydrological cycle and compares the methods that separate the impacts of climate change and human activities.Then,the paper analyzes the differences of the contribution rates of climate change and human activities on surface runoff of some watersheds on globe.At present,integrating multiple mutation test methods is beneficial for improving the accuracy in identifying the abrupt change point of surface runoff.Eliminating the interference factors (such as the selection of meteorological and hydrological data,the parameter setting of model method and inherent uncertainty of methods) is of great significance to improve the consistency of the results of different quantitative methods.The key of future research is to find ways that could better couple the physical hydrological model methods and mathematical empirical methods to separate the impact of climate change and human activities on the change of surface runoff. |
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来源
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自然资源学报
,2018,33(5):899-910 【核心库】
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DOI
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10.11849/zrzyxb.20170261
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关键词
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地表径流变化
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区域分异
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量化方法
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气候变化
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人类活动
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地址
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河南理工大学测绘与国土信息工程学院, 河南, 焦作, 454000
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中国科学院生态环境研究中心, 城市与区域生态国家重点实验室, 北京, 100085
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中国科学院大学, 北京, 100049
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语种
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中文 |
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文献类型
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综述型 |
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ISSN
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1000-3037 |
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学科
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地球物理学 |
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基金
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中国科学院科技服务网络计划项目
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国家重点研发计划项目
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文献收藏号
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CSCD:6238723
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