Spatiotemporal variations of evapotranspiration and its quantitative relationship with other ecosystem components in urban areas - Details

author：

Wang, L. (Wang, L..) ^[1] | Xu, H. (Xu, H..) ^[2]

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Abstract：

This　paper,　taking　Fuzhou　urban　area　as　an　example　studied　the　urban　ET　variations　and　its　relationship　with　urban　build-up　land　and　vegetation　using　two　Landsat　images　of　2003　and　2013.　The　result　reveals　that　the　ET　has　been　sharply　decreased　by　30.62%　in　urban　areas.　The　regression　analysis　shows　that　ET　has　a　strong　negative　linear　correlation　with　urban　build-up　land　and　an　obvious　positive　linear　correlation　with　vegetation.　Apparently,　urban　expansion,　build-up　land　increase　and　vegetation　reduction　are　the　key　factors　contributing　to　the　decreasing　of　ET　in　urban　areas.　©　2016,　Science　Press.　All　right　reserved.

Keyword：

Evapotranspiration; Index-based build-up index (IBI); Remote sensing

Community：

[ 1 ] [Wang, L.]College of Environment and Resources, Fuzhou University, Fuzhou, 350116, China
[ 2 ] [Wang, L.]Institute of Remote Sensing Information Engineering, Fuzhou University, Fuzhou, 350116, China
[ 3 ] [Wang, L.]Fujian Provincial Key Laboratory of Remote Sensing of Soil Erosion and Disaster Protection, Fuzhou, 350116, China
[ 4 ] [Xu, H.]College of Environment and Resources, Fuzhou University, Fuzhou, 350116, China
[ 5 ] [Xu, H.]Institute of Remote Sensing Information Engineering, Fuzhou University, Fuzhou, 350116, China
[ 6 ] [Xu, H.]Fujian Provincial Key Laboratory of Remote Sensing of Soil Erosion and Disaster Protection, Fuzhou, 350116, China

Reprint 's Address：

[Xu, H.]College of Environment and Resources, Fuzhou UniversityChina

Email：

hxu@fzu.edu.cn

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Source ：

Journal of Tongji University

ISSN： 0253-374X

Year： 2016

Issue： 2

Volume： 44

Page： 255-261

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