Topographic controls on evolution of shallow landslides in pastoral Wairarapa, New Zealand, 1979-2003.
作者： Jay Gao , Jimmy Maro
DOI: 10.1016/J.GEOMORPH.2009.08.002
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摘要: This study aims to identify topographic influence on shallow landslides and their evolution during 1979–2003 in the pastoral lower North Island, New Zealand. Landslide-affected sites were mapped from aerial photographs and an ASTER satellite image. The two landslide maps were overlaid in a geographic information system (ArcGIS) to detect the changes that have taken place in landslide-affected areas. The change map and the landslide distribution maps were overlaid with three topographic layers of slope gradient, slope position, and …
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