Relationship between land use pattern and water quality change in Fuxian Lake basin

doi:10.6046/gtzyyg.2016.01.23

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Abstract

The water quality of the Fuxian Lake basin has been deteriorating during the past 20 years. To evaluate the impacts of land use changes on water quality, the authors used Landsat TM and ETM⁺ from 1992 to 2010, in combination with GIS methods and correlation analysis, to explore the relationships of water quality with land use structure and landscape patterns respectively in the period of 1992-2010. The results showed that the surface water area, forest coverage and cultivated land area all displayed a decreasing trend, with a negative correlation of water quality with water area, forest coverage and cultivated land area respectively. There was a rapid expansion of transportation and construction land, which exhibited a significant positive correlation with water quality. Both the landscape diversity index and Shannon's diversity index (SDI) exhibit a significant positive correlation with water quality, and landscapes become more fragmented with an increase in patch number and shape complexity.

Keywords airborne LiDAR GIS alpha-shapes algorithm building change detection

TP79

Issue Date: 27 November 2015

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	TANG Feifei
	RUAN Zhimin
	ZHANG Yali
	PENG Li

Cite this article:

TANG Feifei,RUAN Zhimin,ZHANG Yali, et al. Relationship between land use pattern and water quality change in Fuxian Lake basin[J]. REMOTE SENSING FOR LAND & RESOURCES, 2016, 28(1): 159-165.

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https://www.gtzyyg.com/EN/10.6046/gtzyyg.2016.01.23 OR https://www.gtzyyg.com/EN/Y2016/V28/I1/159

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