Topographical Change in Coastal Areas Arising from Soil Erosion in the Riparian Zone

摘要: Kim, J.C.; Lee, H.J.; Choi, J.Y.; S.K. and Jung, H.S. 2020. Topographical change in coastal areas arising from soil erosion the Riparian zone. In: H.-S.; S.; Ryu, J.-H., Cui, T. (eds.), Advances Geospatial Research of Coastal Environments. Journal Research, Special Issue No. 102, pp. 101-106. Coconut Creek (Florida), ISSN 0749-0208.Sedimentary inputs into estuaries because activities upstream can lead to rapid bathymetric topographical changes, which may affect functions such as habitat or fisheries. In South Korea, Four Major Rivers Restoration Project was initiated 2008 address environmental problems dredging land reclamation, a number ecological parks were created. This study analyzed: 1) cover each period using maps before (2007), immediately after project (2012), five years (2017); 2) average annual amount loss riparian zone Nakdong River revised universal equation (RUSLE); 3) area barrier islands estuary 2017. order generate factors required for RUSLE, various spatial data, maps, national information, aerial photographs, map, precipitation data used. The results showed percentage classes 4, 5 (severe very severe levels erosion, respectively) increased finished 2012 but decreased by digitized photographs confirmed that Maenggeummeori-do, one located River, more than 20 % sediment declined. Thus, it changes zones river maintenance projects estuaries. Through this study, revealed large-scale refurbishment indirectly affected waterfront eventually island at mouth River.