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沉积物柱芯采自贵州威宁草海深水湖区。不同深度沉积物中粘土矿物及其它特征表明在过去几千年时期内 ,草海区域的气候经历了热湿向暖干的激烈变化。同时 ,湖体由开放型变成闭流型
Sediment core collected from Weinhai grass-water lake area. Clay minerals and other characteristics of sediments at different depths indicate that over the past millennia, the climate in the Caohai area has undergone intense changes from warm and humid to warm and dry. At the same time, the lake changed from an open to a closed stream