湖沼

The Diatom Paleolimnology Data Cooperative (DPDC) is a database of diatom and associated ecological and paleolimnological data useful in studying global change.

硅沼学数据库（DPDC）为全球变研究提供了有关硅植物数据、沼学和其它生态学数据和记录等。

We propose that As anomalism in groundwater possibly resulted from the combined effects of organic matter-enriched lacustrine sediments, geological setting and topographical characteristics.

通过研究，可以看出以还原环境为主的富含有机质的沼相积环境、特定的地质、地形条件为地下水砷异常的原因。

Site soils in southern area of Jiangsu province belong to washland sediment or limnetic facies sediment.The components of sediment are very complex and process of sedimentation is in disorder.

苏南地区场地土主要为漫滩相、沼相或冲相新近积软弱土,结构松散,积零乱,成分复杂,饱水可细砂层及土层较为发育,在地震或动力荷载的作用下有可能发生软土震陷或砂土。