개인구독
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지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
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초록· 키워드
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Coastline is the most dynamic part of seascape since its shape is affected by various factors. Coastal zone is an area with immense geological, geomorphological and ecological interest. Monitoring coastal change is very important for safe navigation, coastal resource management. This paper shows a result of monitoring coastal morphological changes using Remote Sensing and GIS. Study was carried out to obtain intensity of erosion, deposition and sand bar movement in the Red River Delta. Satellite images of ALOS/AVNIR-2 and Landsat were used for the monitoring of coastal morphological changes over the period of 1975 to 2009. Band rationing and threshold technique was used for the coastline extraction. Tidal levels at the time of image acquisition varied from -0.89m to 2.87m. Therefore, coastline from another image at a different tidal level in the same year was considered to get the corrected coastline by interpolation technique. A series of points were generated along the coastal line from 1975 image and were established as reference points to see the change in later periods. The changes were measured in Euclidean distances from these reference points. Positive values represented deposition to the sea and negative values are erosion. The result showed that the Red river delta area expanded to the sea 3500m in Red river mouth, and 2873m in Thai Binh river mouth from 1975 to 2009. The erosion process occurred continuously from 1975 up to now with the average magnitude 23.77m/year from 1975 to 1989 and 7.85m/year from 2001 to 2009 in Giao Thuy area. From 1975 to 2009, total 1095.2ha of settlement area was eroded by sea. On the other hand, land expanded to the sea in 4786.24ha of mangrove and 1673.98ha of aquaculture.
목차
Abstract
1. Introduction
2. Study area and materials
3. Methodology
4. Results and discussion
5. Conclusions
References
참고문헌 (20)
참고문헌 신청
1. [학술지(정기간행물)] - Alesheikh, A. A. / 2007 / Coastline change detection using remote sensing / Journal of Environment Science, Technology 4 (1) : 61 ~ 66
2. [학술지(정기간행물)] - Boak, E. H. / 2005 / Shoreline Definition and Detection: A Review / Journal of Coastal Research 21 (4) : 688 ~ 703
3. [학술지(정기간행물)] - Chand, P. / 2010 / Shoreline change and sea level rise along coast of Bhitarkanika wildlife sanctuary, Orissa; An analytical approach of remote sensing and statistical techniques / International Journal of Geomatics and Geosciences 3 (1) : 436 ~ 455
4. [학술지(정기간행물)] - Do, M. D. / 2007 / Sediment distribution and transport at the nearshore zone of the Red River delta, Northern Vietnam / Journal of Asian Earth Sciences 29 (4) : 558 ~ 565
5. [학술지(정기간행물)] - Doydee, D. / 2005 / Coastal Landuse Change Detection Using Remote Sensing Technique : Case Study in Banten Bay, West Java Island, Indonesia / Kasetsart Journal : Natural Science 39 (1) : 159 ~ 164
2. [학술지(정기간행물)] - Boak, E. H. / 2005 / Shoreline Definition and Detection: A Review / Journal of Coastal Research 21 (4) : 688 ~ 703
3. [학술지(정기간행물)] - Chand, P. / 2010 / Shoreline change and sea level rise along coast of Bhitarkanika wildlife sanctuary, Orissa; An analytical approach of remote sensing and statistical techniques / International Journal of Geomatics and Geosciences 3 (1) : 436 ~ 455
4. [학술지(정기간행물)] - Do, M. D. / 2007 / Sediment distribution and transport at the nearshore zone of the Red River delta, Northern Vietnam / Journal of Asian Earth Sciences 29 (4) : 558 ~ 565
5. [학술지(정기간행물)] - Doydee, D. / 2005 / Coastal Landuse Change Detection Using Remote Sensing Technique : Case Study in Banten Bay, West Java Island, Indonesia / Kasetsart Journal : Natural Science 39 (1) : 159 ~ 164
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UCI(KEPA) : I410-ECN-0101-2015-530-001377302