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Spatial and temporal variation of evapotranspiration estimated by MODIS data over South Asia
Language英语
Wei Zhao; Ainong Li; Wei Deng
Corresponding AuthorAinong Li
2014
Source PublicationIGARSS 2014 - 2014 IEEE International Geoscience and Remote Sensing Symposium ; IGARSS 2014
Pages3049-3052
Conference Date13-18 July 2014
Conference PlaceQuebec City, QC, Canada
Funding OrganizationIEEE
Abstract
;
Evapotranspiration  (ET)  is  an  important  part  of  land surface water cycle and plays a key role in water resource management.  Because  of  economy  development  and 
climate  change,  water  resource  shortage  has  become  a looming  crisis  threatening  the  countries’  security  and social  stability.  Therefore,  understanding  the  spatial  and 
temporal  pattern  of  ET  change  in  South  Asia  has  a significant impact. In this study, time series daily ET was estimated  for  South  Asia  in  2008  by  using  MODIS  data combined with station observations and GLDAS data with SEBS energy balance model. Monthly ET estimation was calculated  based  on  daily  ET.  Spatial  and  temporal analysis was conducted to analyze the daily ET temporal change  for  different  land  cover  types  located  at  different part of South. The results showed that the temporal change 
of  rainfall  has  large  impart  on  ET  temporal  variation. Quantification of ET in South Asia also suggested that the water availability is the major limitation to the evaporation 
and transpiration processes. 
KeywordSebs Modis/terra South Asia Evapotranspiration
Subject Area摄影测量与遥感技术
DOI10.1109/IGARSS.2014.6947120
Citation statistics
Document Type会议论文
Identifierhttp://ir.imde.ac.cn/handle/131551/7463
Collection数字山地与遥感应用中心
山区发展研究中心
Recommended Citation
GB/T 7714
Wei Zhao,Ainong Li,Wei Deng. Spatial and temporal variation of evapotranspiration estimated by MODIS data over South Asia[C],2014:3049-3052.
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