1980年以来5个时期松嫩沙地湖泊群分布及其变化研究
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摘要
以松嫩沙地湖泊为研究对象,利用1980年、1990年、2000年、2010年和2015年的Landsat MSS/TM/OLI影像数据,采用面向对象分类、景观指数和数理统计方法,研究5个时期湖泊的分布和面积及其变化特征。研究结果表明,1980年、1990年、2000年、2010年和2015年研究区的湖泊总面积分别为1 470.22 km2、3 493.64 km2、3 963.17 km2、2 671.17 km2和1 505.52 km2;与1980年相比,2015年湖泊群质心向东北东方向迁移了46.28 km;1980~2015年,松嫩沙地湖泊群景观破碎化加剧;湖泊群聚集性与连接性逐步加强,湖泊演变过程趋于稳定;社会经济因素对松嫩沙地湖泊变化的影响作用较大。
Taking the Landsat MSS/TM/OLI images in 1980, 1990, 2000, 2010 and 2015 as data, using objectoriented classification, landscape index and mathematical statistics methods, to study distribution and areas of the lakes in the Songnen Sandy Land and their change characteristics for the 5 periods. The results indicated that the total areas of the lakes in the study area in 1980, 1990, 2000, 2010 and 2015 were 1 470.22 km2,3 493.64 km2, 3 963.17 km2, 2 671.17 km2 and 1 505.52 km2, respectively. In 2015, the centroid of the lake group migrated 46.28 km to the east of the northeast. From 1980 to 2015, the landscape fragmentation of the Songnen Sandy Land intensified; the clustering and connectivity of lakes gradually strengthened, and the evolution of lakes became stable. Economic factors had a greater impact on the changes of the lakes in the Songnen Sandy Land.
Taking the Landsat MSS/TM/OLI images in 1980, 1990, 2000, 2010 and 2015 as data, using objectoriented classification, landscape index and mathematical statistics methods, to study distribution and areas of the lakes in the Songnen Sandy Land and their change characteristics for the 5 periods. The results indicated that the total areas of the lakes in the study area in 1980, 1990, 2000, 2010 and 2015 were 1 470.22 km2,3 493.64 km2, 3 963.17 km2, 2 671.17 km2 and 1 505.52 km2, respectively. In 2015, the centroid of the lake group migrated 46.28 km to the east of the northeast. From 1980 to 2015, the landscape fragmentation of the Songnen Sandy Land intensified; the clustering and connectivity of lakes gradually strengthened, and the evolution of lakes became stable. Economic factors had a greater impact on the changes of the lakes in the Songnen Sandy Land.
引文
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[2]孙凤华,杨素英,陈鹏狮.东北地区近44年的气候暖干化趋势分析及可能影响[J].生态学杂志,2005,24(7):751-755.
[3]郭跃东,何艳芬.松嫩平原湿地动态变化及其驱动力研究[J].湿地科学,2005,3(1):54-59.
[4]李闯,刘吉平,刘庆凤,等.松嫩平原湿地景观格局动态变化研究[J].湿地科学,2008,6(2):167-172.
[5]李晓峰,张树清,那晓东,等.基于Radon域描绘子乾安湖群湖泊形态变化遥感信息提取[J].地理科学,2009,29(3):421-426.
[6]常学礼,赵学勇,王玮,等.科尔沁沙地湖泊消涨对气候变化的响应[J].生态学报,2013,33(21):7002-7012.
[7]李晶晶,贾建华,郝景研.基于RS的松嫩平原大安湖泊群面积提取与动态变化分析[J].遥感信息,2009,(3):44-48.
[8]王进,周瑞莲,赵哈林,等.呼伦贝尔沙地和松嫩沙地草地沙漠化过程中土壤理化特性变化规律的比较研究[J].中国沙漠,2011,31(2):309-314.
[9]李取生.松嫩沙地的形成与环境变迁[J].中国沙漠,1991,11(3):36-43.
[10]黄方,刘湘南,张养贞,等.基于遥感和GIS的松嫩沙地土地利用/土地覆被时空格局研究[J].中国沙漠,2003,23(2):136-141.
[11]杜会石,哈斯额尔敦,王宗明.科尔沁沙地范围确定与风沙地貌特征研究[J].北京师范大学学报:自然科学版,2017,53(1):33-37.
[12]辛未冬.松嫩沙地固定沙丘土壤动物群落特征及其在凋落物分解中的作用研究[D].长春:东北师范大学,2011.
[13]李宁,刘吉平,王宗明.2000~2010年东北地区湖泊动态变化及驱动力分析[J].湖泊科学,2014,26(4):545-551.
[14]Wu H,Zeng G,Liang J,et al.Responses of landscape pattern of China’s two largest freshwater lakes to early dry season after the impoundment of Three-Gorges Dam[J].International Journal of Applied Earth Observation and Geoinformation,2017,56:36-43.
[15]贺伟,布仁仓,熊在平,等.1961-2005年东北地区气温和降水变化趋势[J].生态学报,2013,33(2):519-531.
[16]孙贤斌,刘红玉,傅先兰.土地利用变化对盐城自然保护区湿地景观的影响[J].资源科学,2010,32(9):1741-1745.
[17]Ma X Y,Wang X C,Wang D,et al.Function of a landscape lake in the reduction of biotoxicity related to trace organic chemicals from reclaimed water[J].Journal of hazardous materials,2016,318:663-670.
[18]裘善文,王锡魁,Makhinova N,等.中国东北平原及毗邻地区古水文网变迁研究综述[J].地理学报,2014,69(11):1604-1614.
[19]刘祥,侯兰英.长岭隆起与松辽水系变迁[J].内蒙古农业大学学报:自然科学版,1993,(4):55-60.
[20]刘祥,云岚,贾永芹.新构造运动与西辽河水系演化过程[J].内蒙古地质,2002,(2):25-28.
[21]裘善文.中国东北地貌第四纪研究与应用[M].长春:吉林科学技术出版社,2008:546-554.
[22]裘善文,王锡魁,张淑芹,等.松辽平原古大湖演变及其平原的形成[J].第四纪研究,2012,32(5):1011-1021.
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