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湿地生态系统水文连接度研究 【作者】赵贤豹 【导师】陈敏建; 丰华丽

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【作者】赵贤豹 【导师】陈敏建; 丰华丽
8A%B$L#_+urp0【作者基本信息】南京水利科学研究院,水文学及水资源,2008年,硕士水利论文!k7rAz1XPI6k

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5B r%^N,C,h0【中文摘要】 本论文是在国家“十五”科技攻关重大项目——《中国分区域生态用水标准研究》的部分研究成果上,依据湿地生态水文结构模型,运用遥感解译、ArcGIS空间分析等手段,结合湿地水量平衡,开展湿地生态系统水文连接度研究。本文通过总结国内外关于水文连接度的研究进展,提出水文连接度的概念、主要内容和研究方法,并结合湿地生态水文结构,提出湿地生态系统水文连接度的计算方法和水文连接度特征值指标,结合湿地水量变化,探讨水文连接度与湿地蓄水量的相关关系。以松花江乌裕尔河—双阳河流域的扎龙湿地为实例,选取扎龙湿地不同时相的5景遥感图像,通过遥感解译和ArcGIS空间分析等手段分析扎龙湿地水面面积和分布的变化,结合不同年份的年径流、降水和蒸发资料,分析扎龙湿地蓄水量变化驱动下的水文连接度变化,提出湿地水文连接度的计算方法。湿地的水分条件是决定湿地存亡的关键因素,湿地水文连接度能够反映湿地水文变化和生态结构功能之间的相互关系,是反映湿地健康的一项重要指标。本文的研究成果可为湿地水资源规划和管理提供科学依据,为湿地生态系统的保护和修复提供技术支持。水利论文b],V"Xl leQE

1L5OY/Mvc]0【英文摘要】 This paper is based on the research results of the Tenth Five- years' National Key Technologies R&D Programme (No.2004BA610A-01, 2001BA610A-01)—"The Divisional Standard of Ecological Water Use in China".According to wetland eco-hydrological configuration,the hydrological connectivity of wetland ecological system is researched.Based on research progress of hydrological connectivity at home and abroad, the concept of hydrological connectivity is proposed with the main content and research methods. Combined with wetland eco-hydrological configuration, the calculation method and the characteristic value of the wetland ecosystem hydrological connectivity are put forward.And the correlativity of hydrological connectivity and water connections is discussed with the variety of wetland water income.This paper takes the Zhalong Wetland as an example,which is located in the basin of Wuyuer-Shuangyang River. Five remote sensing images at different time of Zhalong Wetland are selected, to analy...更多se the water surface area and distrebuting varieties by remote sensing translate and spatial analysis. Combined with the annual runoff, precipitation and evaporation datas of different years, the hydrological connectivity changes driven by the water revenue in Zhalong Wetland are analysed, and the calculation method of wetland hydrological connectivity is suggested.Water condition is the key factor of the survival of the wetlands, and hydrological connectivity of the wetlands can reflect the correlations of the hydrological changes and the ecological structures and functions, which is an important indicator of the wetland health. The research conclusions of this paper can provide the technical support for the protection and restoration of the wetland ecosystem,and offer the scientific basis for water resources planning.  还原

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【中文关键词】 湿地; 水文连接度; 生态水文结构; 遥感; 扎龙湿地
}t5M8aj l\-e+bm:q0【英文关键词】 wetland; hydrological connectivity; eco-hydrological configuration; remote sensing; Zhalong Wetland水利论文j'w4[2L/i
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TAG: 丰华丽 水文 湿地 生态系统 陈敏建
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