近32年新疆博斯腾湖湿地动态变化及机制分析
曾光, 高会军, 朱刚, 金谋顺
中煤航测遥感局遥感应用研究院,西安710054
A Remote Sensing Analysis of Wetlands Dynamic Changes and Mechanism in the Past 32 Years in Bosten Lake, Xinjiang
ZENG Guang, GAO Hui-Jun, ZHU Gang, JIN Mou-Shun
Aerophotography and Remote Sensing of China Coal Shaanxi, Xi’an 710054, China
摘要 以1975年MSS、2000年ETM和2007年CBERS-2共3期遥感影像为数据源,在1∶5万尺度上对新疆博斯腾湖地区的湖泊湿地、沼泽湿地、河
流湿地及耕地进行了遥感解译,并编制了动态变化图。调查结果表明,32 a间,该区湖泊湿地、沼泽湿地与河流湿地严重退化,而耕地呈持
续性扩张的发展趋势。其中,1975~2000年,除湖泊湿地与湿地总面积呈小幅度增长外,沼泽湿地与河流湿地分别减少了23.71 km2和18.44
km2,耕地增加面积达454.52 km2; 2000~2007年,除耕地面积继续增加526.55 km2外,湿地资源遭到严重破坏,主要表现在湖泊湿地的萎缩
、河流湿地与沼泽湿地的严重退化,7 a间沼泽湿地与河流湿地退化速率分别是1975~2000年的37.13倍和5.24倍; 人类活动与气候因素是导
致湿地严重退化的两个重要方面,主要表现为“湿地的农业化”和“湿地的荒漠化”两个过程。
关键词 :
地下煤火 ,
热场模型 ,
遥感
Abstract :Based on remote sensing images of 1975(MSS), 2000(ETM) and 2007(CBERS-2), this paper interpreted lake wetland,
marsh wetland, river wetland and cultivated land of Bosten Lake at the scale of 1∶50000. Some conclusions have been
reached:The areas of lake wetland, marsh wetland and river wetland have decreased gradually, while cultivated land has
increased significantly in the past 32 years. During the period from 1975 to 2000, the areas of lake wetland and total
wetlands increased by a small margin, and cultivated land increased by 454.52 km2, but marsh wetland and river wetland
decreased by 23.71 km2 and 18.44 km2 respectively. The resources of wetlands were destroyed seriously from 2000 to 2007.
During these 7 years, lake wetland, river wetland, marsh wetland and total wetlands decreased considerably whereas
cultivated land increased by more than 526.55 km2. The deterioration velocities of marsh wetland and river wetland were
37.13 and 5.24 times higher than the velocities during 1975~2000. Natural factors and human activities were two important
factors responsible for the serious degradation of wetlands. Wetland-agriculture and wetland-desertification constituted
two processes of wetland degradation.
Key words :
Underground coal fire
Thermal field modeling
Remote sensing
收稿日期: 2010-04-22
出版日期: 2010-11-13
基金资助: 中国地质调查局基础调查项目“全国区域地质环境遥感调查与监测”(编号: 1212010911089)。
通讯作者:
曾光(1982-),男,工程师,从事资源环境遥感等相关工作。
引用本文:
曾光, 高会军, 朱刚, 金谋顺. 近32年新疆博斯腾湖湿地动态变化及机制分析[J]. 国土资源遥感, 2010, 22(s1): 213-218.
ZENG Guang, GAO Hui-Jun, ZHU Gang, JIN Mou-Shun.
A Remote Sensing Analysis of Wetlands Dynamic Changes and Mechanism in the Past 32 Years in Bosten Lake, Xinjiang. REMOTE SENSING FOR LAND & RESOURCES, 2010, 22(s1): 213-218.
链接本文:
https://www.gtzyyg.com/CN/10.6046/gtzyyg.2010.s1.44
或
https://www.gtzyyg.com/CN/Y2010/V22/Is1/213
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