Analysis of Lake Changes in Wuhan Based onMulti-source Remote Sensing Data

YANG Ke; DUAN Gong-hao; NIU Rui-qing; HUANG Si-yue; CAO Ya

doi:10.11988/ckyyb.20140870

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Journal of Changjiang River Scientific Research Institute ›› 2016, Vol. 33 ›› Issue (1) : 139-142. DOI: 10.11988/ckyyb.20140870

HYDRAULIC STRUCTURE AND MATERIAL

Analysis of Lake Changes in Wuhan Based onMulti-source Remote Sensing Data

YANG Ke, DUAN Gong-hao, NIU Rui-qing, HUANG Si-yue, CAO Ya

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Abstract

Urban lake is an important ecological and tourism resource. Its variation has profound impact on the city’s development. The variations of lake surface and lake boundary in Wuhan are researched in detail by using NDWI and TM2+TM3> TM4+TM5 method in association with visual interpretation to extract the spatio-temporal information of 68 lakes. The research is based on Landsat 8 satellite data obtained in June 2013 and remote sensing images from 1975 to 2013 in the urban development area in Wuhan. Furthermore, thematic map of lake changes is given by using GIS spatial analysis technology and RS change detection method. The causes of lake changes are analysed through landscape indices. The research result is consistent with the government statistics of water resources in Wuhan city. It is also an instant basis for the protection and sustainable development of lake resources in Wuhan city.

Key words

Wuhan / lake change / Landsat 8 / GIS / thematic map

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YANG Ke, DUAN Gong-hao, NIU Rui-qing, HUANG Si-yue, CAO Ya. Analysis of Lake Changes in Wuhan Based onMulti-source Remote Sensing Data[J]. Journal of Changjiang River Scientific Research Institute. 2016, 33(1): 139-142 https://doi.org/10.11988/ckyyb.20140870

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