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Long and Short-Term Shoreline Changes Along Mangalore Coast, India | ||
| International Journal of Environmental Research | ||
| مقاله 3، دوره 3، شماره 2، تیر 2009، صفحه 177-188 اصل مقاله (1.68 M) | ||
| شناسه دیجیتال (DOI): 10.22059/ijer.2009.46 | ||
| نویسندگان | ||
| A. Kumar؛ K. S. Jayappa* | ||
| Department of Marine Geology, Mangalore University, Mangalore – 574 199, India | ||
| چکیده | ||
| Eighteen kilometers long coastal stretch from the New Mangalore Port in the north toTalapadi in the south has been studied in order to understand shoreline changes and erosion/ accretion patterns that have taken place due to the natural processes and anthropogenic activities. Shoreline changes and quantification of beach erosion/accretion were made using the Survey of India topomap, multidated satellite images and beach profile surveys. During 1967-97 period, most of the beaches were accreted, except those lie just towards south of the Netravati and Gurpur river mouth in Sector III. During 1997-2001 period also, the beaches showed accretion trend, but they were subjected to severe erosion during 2001-05 in all the four sectors. The beaches in Sectors I-III are polluted due to discharges of effluents and very poor maintenance. | ||
| کلیدواژهها | ||
| Anthropogenic activities؛ Beach erosion؛ Natural processes؛ Shoreline changes | ||
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