干旱区生态环境知识资源中心(Arid): 基于MODIS与Landsat 8的艾比湖湿地旱情时空变化及其影响因素分析

Arid

	基于MODIS与Landsat 8的艾比湖湿地旱情时空变化及其影响因素分析
其他题名	Analysis of spatiotemporal changes in the drying of the Ebinur Lake Basin and its influencing factors based on MODIS and Landsat 8 satellites
	朱小强; 塔西甫拉提·特依拜; 丁建丽; 依力亚斯江·努尔麦麦提; 夏楠; 杨童童; 张淑霞
来源期刊	生态学报
ISSN	1000-0933
出版年	2018
卷号	38 期号:8 页码:2984-2994
中文摘要	对干旱区艾比湖湿地旱情进行多源遥感监测,分析干旱对艾比湖湿地的生态安全与农业生产的影响,为水资源合理配置与干旱预警提供依据.选用2013年5月到2016年5月的MODIS温度和植被指数产品数据反演TVDI指数,并构建二维特征空间,分析土壤水分的时空分布特征,结果表明:TVDI可以有效地反演土壤水分,且精度较高;通过分析,艾比湖湿地土壤水分格局呈现由极湿润-湿润-正常面积减少,干旱-极干旱面积增加的趋势;在此基础上分析了影响艾比湖干旱变化的影响因素,近年来随着温度升高,风速与蒸发量增加,降水量减少,使艾比湖湿地旱情急剧恶化.利用多源遥感能很好的实现大面积、长时间、高精度的旱情监测,在四年间艾比湖湿地的旱情有所加剧,湖水面积与冰川萎缩变化较为严重,可见艾比湖湿地旱情情况较为不乐观,需加强水资源管理,开展艾比湖旱情监测对于干旱区湖泊生态有重要的理论与实际意义.
英文摘要	By using multisource remote sensing data,the drought data of Ebinur Lake wetland in an arid region was extracted and the impacts of drought on the ecological environment and agriculture were analyzed,providing the basis for reasonable management of water resources and the drought warning system. MODIS vegetation and temperature products and Landsat 8 data were used to extract the NDVI and LST in order to inverse temperature and vegetation dryness index (TVDI),and at the same time construct 2-Dimension feature space and analyze the spatiotemporal change of soil moisture. The results showed that the TVDI model has higher precision to effectively inverse regional soil moisture; from 2013 to 2016 in a 4-year span,the Ebinur Lake soil moisture has shown that the wet,normal,and light drought area is decreasing,while the drought and heavy drought area is increasing. In addition,the team analyzed the driving forces in some respects. In recent years,the increase in temperature,population,wind speed,and precipitation showed downward trends,and drought has reduced sharply. It is better to use multisource remote sensing data to efficiently accomplish drought monitoring in a wide area for a long time. The drought in Ebinur Lake wetland intensified during the four years,and the lake water and glacier area are shrinking at a faster rate. The Ebinur Lake regional soil moisture distribution is not improving. In order to protect the regional ecological system,effective local water resources management should be enhanced. In conclusion, carrying out research on the spatial and temporal dynamic changes and the driving forces for drying of Ebinur Lake has important theoretical and practical significances for this arid zone.
中文关键词	温度植被干旱指数(TVDI) ; 土壤水分 ; 时空变化 ; 水资源
英文关键词	temperature and vegetation dryness index (TVDI) soil moisture spatio-temporal water resources
语种	中文
国家	中国
收录类别	CSCD
WOS类目	METEOROLOGY ATMOSPHERIC SCIENCES
WOS研究方向	Meteorology & Atmospheric Sciences
CSCD记录号	CSCD:6232321
来源机构	新疆大学
资源类型	期刊论文
条目标识符	http://119.78.100.177/qdio/handle/2XILL650/238122
作者单位	新疆大学资源与环境科学学院;;新疆大学, ;;绿洲生态教育部重点实验室, 乌鲁木齐;;乌鲁木齐, ;; 830046;;830046
推荐引用方式 GB/T 7714	朱小强,塔西甫拉提·特依拜,丁建丽,等. 基于MODIS与Landsat 8的艾比湖湿地旱情时空变化及其影响因素分析[J]. 新疆大学,2018,38(8):2984-2994.
APA	朱小强.,塔西甫拉提·特依拜.,丁建丽.,依力亚斯江·努尔麦麦提.,夏楠.,...&张淑霞.(2018).基于MODIS与Landsat 8的艾比湖湿地旱情时空变化及其影响因素分析.生态学报,38(8),2984-2994.
MLA	朱小强,et al."基于MODIS与Landsat 8的艾比湖湿地旱情时空变化及其影响因素分析".生态学报 38.8(2018):2984-2994.