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- Title
Spatiotemporal dynamic fuzzy evaluation of wetland environmental pollution risk in Dayang estuary of Liaoning Province, Northeast China based on remote sensing.
- Authors
SUN Yong-guang; ZHAO Dong-zhi; ZHANG Feng-shou; WEI Bao-quan; CHU Jia-lan; SU Xiu
- Abstract
Based on the aerial image data of Dayang estuary in 2008, and by virtue of Analytic Hierarchy Process (AHP), remote sensing technology, and GIS spatial analysis, a spatiotemporal ?evaluation? was made on the comprehensive level of wetland environmental pollution risk in Dayang estuary, with the impacts of typical human activities on the dynamic variation of this comprehensive level discussed. From 1958 to 2008, the comprehensive level of the environmental pollution risk in study area presented an increasing trend. Spatially, this comprehensive level declined from land to ocean, and showed a zonal distribution. Tourism development activities unlikely led to the increase of the comprehensive level, while human inhabitation, transportation, and aquaculture would exacerbate the risk of environmental pollution. This study could provide reference for the sea area use planning, ecological function planning, and pollutants control of estuary region.
- Subjects
LIAONING Sheng (China); SPATIOTEMPORAL processes; ENVIRONMENTAL degradation; FUZZY decision making; REMOTE sensing; ANALYTIC hierarchy process; WETLAND ecology; ESTUARINE ecology; POLLUTION risk assessment; POLLUTION
- Publication
Yingyong Shengtai Xuebao, 2012, Vol 23, Issue 11, p3180
- ISSN
1001-9332
- Publication type
Article