“Greatest lake period” and its palaeo-environment on the Tibetan Plateau

The Tibetan Plateau is the biggest lake distribution area in China, in which lake evolution is one of the important compositions for plateau environmental changes. It is also very significant in the study of regional environmental evolution. To answer the questions that how and when the paleo lakes evolved, the indicators and their dating data of the important events must be identified. As the key items for detecting the past environment, they are also the most concerned problems in geo-scien…