| 西辽河流域湿地动态变化特征及影响因素分析 |
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| 引用本文： | 吴梦红,杨长保,林楠,冯雨林.西辽河流域湿地动态变化特征及影响因素分析[J].世界地质,2016,35(3):902-908. |
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| 作者姓名： | 吴梦红 杨长保 林楠 冯雨林 |
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| 作者单位： | 1. 吉林大学 地球探测科学与技术学院，长春 130026; 2. 吉林建筑大学 测绘与勘查工程学院，长春 130018; 3. 沈阳地质调查中心，沈阳 110034 |
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| 摘 要： | 为分析西辽河流域湿地变化状况,查明区内湿地演变规律及其变化的影响因素,以2000年的ETM数据和2010年的CBERS数据为数据源,在RS和GIS软件平台支持下,利用人机交互解译方法提取了西辽河流域10年内两期湿地信息,对湿地的时间与空间格局变化进行分析,并从地形、气象和人类活动等方面,对区内的影响湿地动态变化的因素进行了分析研究。结果表明:10年来西辽河流域天然湿地大量减少,人工湿地呈现增加趋势,湿地和非湿地类型间转化明显,水田转化率最高;在研究区内,温度、降水和人口密度是影响湿地变化主要因素。
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| 关 键 词： | RS/GIS 西辽河流域 湿地 影响因素 |
Characteristics of wetland dynamic variations in western Liaohe River basin and their influenced factors |
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| WU Meng-Hong,YANG Chang-Bao,LIN Nan,FENG Yu-Lin.Characteristics of wetland dynamic variations in western Liaohe River basin and their influenced factors[J].World Geology,2016,35(3):902-908. |
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| Authors: | WU Meng-Hong YANG Chang-Bao LIN Nan FENG Yu-Lin |
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| Institution: | 1. College of Geo- exploration Science and Technology，Jilin University，Changchun 130026，China; 2. College of Surveying and Prospecting Engineering，Jilin Jianzhu University，Changchun 130118，China; 3. Shenyang Geological Survey，Shenyang 110034，China |
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| Abstract: | In order to analyze the changeble status of the wetland in western Liaohe River basin and find out the evolution rule and influenced factors of the wetland，the authors extract two phases wetland information of west- ern Liaohe River basin in man- machine interactive interpretation method in recent 10 years based on ETM data in 2000 and CBERS data in 2010，supported by the RS and GIS platforms． Then，the authors analyze the wetland pattern changes in time and spatial pattern，and study the influence factors of wetland dynamic change in this area from the aspects of terrain，climate and human activities． The result indicates that，in the ten years，while the nat- ural wetland of western Liaohe River basin reduced sharply，the constructed wetland tended to increase，and the conversion between wetland and non- wetland was clear，in which the conversion rate of paddy field was higher than others． Temperature，rainfall and population density are the main influencing factors on the wetland changes in the studied area． |
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| Keywords: | RS/GIS western Liaohe River basin wetland influenced factors |
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