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KMID : 1171820060210040061
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Journal of Environmental and Sanitary Engineering
2006 Volume.21 No. 4 p.61 ~ p.76
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A Study on the GIS for The Sea Environmental Management Ⅱ - Developing a Line Density Algorithm for The Quantification to the Sea Surface Temperature Distribution -
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Lee Hyoung-Min
Park Ki-Hark
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Abstract
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A Line Density algorithm was developed to quantify the sea surface temperature distribution using NOAA Sea Surface Temperature(SST) data and Geographic Information Systems(GIS), In addition, a GIS based automation model was designed to extract the Line Density Indices were determined by applying K-means Cluster. SST data in terms of March to May obtained on the coastal area of the Uljin from 2001 to 2004 in spring were used to make two data sets of average sea water temperature map in terms of year as well as month. From the result it was formed that water temperature gradient in April was the strongest among the other months, In particular very strog formation of oceanic front as well as temperature gradients were observed in front of the coastal area around Wonduk and Jukbyeon countries. Because those coastal area is a confront zone of two cold and a warm. It is expected that the development of a Line Density Algorithm would contribute to quantify of the SST for the research of Sea Surface Front(SSF) related to marine life management and the sea environmental conservation.
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KEYWORD
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RS, GIS, Sea Surface Temperature, Line Density Algorithm, Sea Environmental Assesment
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