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2002-2009年中国干旱区积雪时空分布特征

, PP. 464-471

Keywords: 积雪面积,时空分布,积雪日数,积雪产品,MODIS,AMSR-E,干旱区,中国

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Abstract:

以中国干旱区为研究对象,利用MODIS和AMSR-E融合后的2002-2009年8个水文年份(8月1日至7月31日)的无云积雪产品,计算并验证了用遥感方法提取研究区积雪日数、初雪日期和终雪日期的精度,结合积雪日数制图和积雪面积统计,分析了研究区8a来积雪时空分布特征。结果显示①与气象台站观测资料获取的积雪参数的对比验证表明,遥感方法提取积雪参数的精度较高,误差日数大多在20d以内,主要表现为遥感方法积雪日数的低估,初雪日期的延后和终雪日期的提前。②除山地冰川和永久积雪外,天山和阿尔泰山山系间的北疆地区是研究区内季节性积雪最为丰富的地区,积雪日数一般在60d以上,不过积雪的分布不均匀,大体上从边缘山区向内部盆地中心积雪日数递减,初雪日期延后,终雪日期提前。③干旱区在2005年、2007年和2002年积雪面积较大,而2008年和2006年积雪面积较小。各年稳定积雪存在的地区和范围相对稳定,面积变化不大,其年际变化主要体现在积雪日数的增减上;不稳定积雪的面积一般高于稳定积雪,且年际变化较大,积雪日数大多在20d以内。

References

[1]  曹梅盛,李新,陈贤章,等.冰冻圈遥感〔M〕.北京:科学出版社,2006:57. 
[2]  陈曦.中国干旱区自然地理〔M〕.北京:科学出版社,2010:23-47.
[3]  胡汝骥.试论中国积雪的分布规律〔C〕//中国地理学会.冰川冻土学术会议论文选集:冰川学.北京:科学出版社,1982:119.
[4]  李培基,米德生.中国积雪的分布〔J〕.冰川冻土,1983:5(4):9-18.
[5]  胡汝骥,魏文寿.试论中国的雪害区划〔J〕.冰川冻士,1987, 9(增刊).1-12.
[6]  李培基.中国季节积雪资源的初步评价〔J〕.地理学报,1988,43(2):108-119.
[7]  Dozier J,Painter T H.Multispectral and hyperspectral remote sensing of alpine snow properties〔J〕.Annual Reviews Earth and Planetary Seiences,2004,32:465-494.
[8]  Liang T,Huang X,Wu C,et al.An application of MODIS data to snow cover monitoring in a pastoral area:A case study in Northern Xinjiang,China〔J〕.Remote Sensing of Environment,2008,112(4): 1 514-1 526.
[9]  窦燕,陈曦,包安明,等.2002-2006年中国天山山区积雪时空分布特征研究〔J〕.冰川冻土,2010,32(1):28-34.
[10]  林金堂,冯学智,肖鹏峰,等.基于MODIS数据的玛纳斯河山区雪盖时空分布分析〔J〕.遥感技术与应用,2011,24(6):469-475.
[11]  Hall D K,Riggs G A.Accuracy assessment of the MODIS snow-cover products〔J〕.Hydrological Processes,2007,21:1 534-1 547.
[12]  Wang X,Xie H,Liang T.Evaluation of MODIS snow cover and cloud mask and its application in northern Xinjiang,China〔J〕.Remote Sensing of Environment,2008,112(4):1 497-1 513.
[13]  Riggs G,Hall D.Reduction of cloud obscuration in the MODIS snow data product〔C〕//Stowe.Proceeding of the 59th Eastern Snow Conference.USA:Vermont,2002:205-212.
[14]  Ault T W,Czajkowski K P,Benko T,et al.Validation of the MODIS snow product and cloud mask using student and NWS cooperative station observations in the Lower Great Lakes Region〔J〕.Remote Sensing of Environment,2006,105:341-353.
[15]  Parajka J,Bloschl G.Spatio-temporal combination of MODIS images potential for snow cover mapping〔J〕.Water Resources Research,2008,44,W03406,doi:10.1029/2007WR006204.
[16]  Wang X,Xie H,Liang T,et al.Comparison and validation of MODIS standard and new combination of Terra and Aqua snow cover products in Northern Xinjiang,China〔J〕.Hydrological Processes,2009,23(3):419-429.
[17]  Xie H,Wang X,Liang T.Development and assessment of combined Terra and Aqua snow cover products in Colorado Plateau,USA and northern Xinjiang,China〔J〕.Journal of Applied Remote Sensing,2009,3,033559,doi:10.1117/1.3265996.
[18]  Che T,Li X,Jin R,et al.Snow depth derived from passive microwave remote-sensing data in China〔J〕.Annals of Glaciology,2008,49(1):145-154.
[19]  Gao Y,Xie H,Lu N,et al.Toward advanced new daily products of cloud-free snow cover and snow water equivalent from Terra-Aqua MODIS and Aqua AMSRE measurements〔J〕.Journal of Hydrology,2010,385(1/4):23-35.
[20]  王增艳,车涛.中国干旱区积雪面积产品去云处理方法验证与评估〔J〕.干旱区研究,2012,29(2):312-319. 浏览
[21]  Gao Y,Xie H,Yao T.Developing snow cover parameters maps from MODIS,AMSR-E,and blended snow products〔J〕.Photogrammetric Engineering and Remote Sensing,2011,77(4):351-361.
[22]  何丽烨,李栋梁.中国西部积雪日数类型划分及与卫星遥感结果的比较〔J〕.冰川冻土,2011,33(2):237-245.
[23]  安迪,李栋梁,袁云,等.基于不同积雪日定义的积雪资料比较分析〔J〕.冰川冻土,2009,31(6):1 019-1 027.

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