Research of evaluation index system for comprehensive sensitivity level of marine environments to oil spills based on GIS and AHP
YANG Peng-jin1,2, LV Ze-he1,2, ZHOU Qing1,2, JI Min3, WANG Chun-hui1,2, WANG Bin1,2, SUN Pei-yan1,2, CUI Wen-lin1,2, QIN Chao4
1. North China Sea Environmental Monitoring Center, State Oceanic Administration, Qingdao 266033, China;
2. Key Laboratory of Marine Spill Oil Identification and Damage Assessment Technology, SOA, Qingdao 266033, China;
3. Geomatics College, Shandong University of Science and Technology, Qingdao 266000, China;
4. College of Chemistry, Chemical Engineering and Biotechnology, Donghua University, Shanghai 201620, China
Abstract：In this study, Analytic Hierarchy Process (AHP) was used to confirm the hierarchical structure of composite grade evaluation system in marine oil spill sensitive area.The second level indexes of the system were marked as scores based on environmental sensitivity index (ESI) principal from National Oceanic and Atmospheric Administration (NOAA).The model of composite grade evaluation on marine oil spill sensitive area was established and the index weight was acquired by the combination of Delphi Method and AHP.Also, the spatial data corresponded with the second level index was coded with dynamic grid, according to spatial resolution, aided by GIS.Based on the mark obtained through coded single index layer, the composite evaluation grid graph was dynamically generated, combining with index weight.This method reduced the difficulty in determining the coefficient of index weight, during the confirmation of multiple indexes.The composite grade evaluation of marine oil spill sensitive area is realized.Self-cleaning properties, coastline and fishery were top three indexes in second level, with a total weight of 0.47.The importance of organisms and habitats were highlighted.However, as subjective assessment was applied, the system is highly dependent on consulting experts.
YANG Peng-jin,LV Ze-he,ZHOU Qing et al. Research of evaluation index system for comprehensive sensitivity level of marine environments to oil spills based on GIS and AHP[J]. Marine Environmental Science, 2015, 34(5): 749-753,758.
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