超采地下水致华北地面沉降 北京天津等最严重(图)
超采地下水致华北地面沉降 北京天津等最严重(图): 北京市政府和中国地质调查局分别主持过关于北京市地面沉降的科研项目,北京理工大学教授杨艳在《北京平原区地面沉降现状及发展趋势分析》一文中透露,截至2009年底,北京市最大年沉降量达到137.51mm,最大累计 ...
Updates & Legacy — Stigmabase is a Canadian Non-Governmental & Nonprofit Initiative. Our mission is to inform about stigma around the world and make the data collected accessible for researchers. Stigmabase is very attentive to misinformation and lists only reliable sources. — The marginalization of individuals or categories of individuals is a too common phenomenon. Millions of people are facing this problem around the world and many complex factors are involved.