...古湖泊；氟中毒区；砷中毒 [gap=2013]Keywords : multi-purpose geochemical mapping; Hetao area;Inner Mongolia; ancient lake; fluorosis area; arsenic poisoning..
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Formation and change of ancient lakes are the results from the interaction of atmosphere, hydrosphere, biosphere, lithosphere and the activities of human beings.
古湖泊的形成与演变是大气圈、水圈、岩石圈、生物圈以及人类活动综合作用的结果，因此通过研究古湖泊的形成与演变能够揭示该区环境演变的特征。
参考来源 - 莱州湾南岸平原中全新世以来古湖泊与环境演变研究·2,447,543篇论文数据，部分数据来源于NoteExpress
文昌组的无定形有机质反映了古湖泊表层水的高生产力和湖底水体的贫氧环镜。
The abundant AOM of the Wenchang Formation reflects the high productivity in the surface water and reducing dysoxic conditions in the bottom water of the Palaeogene lake.
青藏高原古近纪—新近纪古湖泊的演化，从时间上讲，有从老到新面积逐渐加大的趋势；
In term of time, the Paleogene-Neogene paleolakes of the plateau had a trend to increase gradually in area from the early to late stages.
接受碳酸盐岩沉积时气候相对干热，湖泊水文状况趋于封闭，火山活动频繁，古湖泊水体补给量小于蒸发量。
When the carbonate deposited, the climate was relatively dry and hot, the lake hydrology tended to close, volcanic activities were frequent and the lacustrine water supply was less than evaporation.
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