在水库库区淹没实物调查中，一般分淹没区和影响区两部分。影响区主要是指因水库蓄水引起库岸坍塌、滑坡、浸没、库中孤岛、以及淹地不淹房的区域。这些影响区内的人口一般统称为影响人口（或称扩迁人口）。本文仅介绍影响人口的安置问题。在进行水库淹没处理设计时，如果对影 Submerged in the reservoir area in-kind survey, the general sub-sub-area and the affected area in two parts. Affected area mainly refers to the reservoir bank caused by bank collapse, landslide, immersion, isolated islands, and flooded land not flooded houses area. The population in these affected areas is generally referred to as affected population (or expanded population). This article only describes the issues affecting population placement. In the process of reservoir flooding design, if the shadow