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引用本文:吴素霞,常国刚,李凤霞,肖建设,郭安红.近年来黄河源头地区玛多县湖泊变化.湖泊科学,2008,20(3):364-368. DOI:10.18307/2008.0316
WU Su-xia,CHANG Guog-ang,LI Feng-xia,XIAO Jian-she,GUO An-hong.Recent lake changes in Maduo County,source region of the Yellow River. J. Lake Sci.2008,20(3):364-368. DOI:10.18307/2008.0316
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近年来黄河源头地区玛多县湖泊变化
吴素霞1, 常国刚2, 李凤霞1, 肖建设1, 郭安红3
1.青海省气象科学研究所, 西宁 810001;2.青海省气象局, 西宁 810001;3.中国气象科学研究院, 北京 100081
摘要:
根据时间序列数据2001-2006年连续6年的MODIS资料,连续监测了玛多县近几年的湖泊变化情况,结果表明玛多全县2006年的湖泊比2001年多35个,湖泊面积增加了56.59km2,以2003年为最低值,从2001-2003年全县湖泊面积逐年减少,而从2003-2006年全县湖泊面积逐年增加.各主要湖泊呈现不同的变化趋势,与全县湖泊的变化趋势不太一致.年降水量与全县湖泊面积相关系数最大,说明年降水量对全县湖泊面积的影响较大,各主要湖泊受各气候要素的影响大小也不一样.
关键词:  玛多县  湖泊变化  MODIS  黄河源区
DOI:10.18307/2008.0316
分类号:
基金项目:国家自然科学基金项目(40405022);科研院所社会公益研究专项(2005DIB3J109);干旱气象科学研究基金(IAM200708)联合资助
Recent lake changes in Maduo County,source region of the Yellow River
WU Su-xia1, CHANG Guog-ang2, LI Feng-xia1, XIAO Jian-she1, GUO An-hong3
1.Qinghai Institute of Meteorological Science, Xining 810001, P.R.China;2.Meteorological Bureau of Qinghai Province, Xining 810001, P.R.China;3.Chinese Academy of Meteorological Sciences, Beijing 100081, P.R.China
Abstract:
Based on the continuous six-year MODIS data (from 2001 to 2006), changes of lakes in Maduo County were continuously monitored in recent years. The results showed that there were 35 lakes in 2006 more than that in 2001, and the lakes' area in 2006 was 56.59km2 larger than that in 2001. The lake numbers and areas kept decreasing from 2001 to 2003 and were the least in 2003, but yearly increased from 2003 to 2006. Each lake presented the different change tendency, and was not consistent with general trend of lake changes of the county. The correlation coefficient between annual precipitation and the lakes' area was the most significant which indicated that the annual precipitation had important effect on the lakes' area of the county. Climatic elements had different effects on main lakes.
Key words:  Maduo County  lake change  MODIS  source region of the Yellow River
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