CLIMATIC CHANGE AND EVOLUTION OF THE SOUTHWEST MONSOON REVEALED BY POLLEN RECORDS IN THE HEQING DEEP DRILLING CORE
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Abstract:
Pollen types identified from the Heqing deep drilling core were divided into different pollen ecological groups in this paper. The changes of seven pollen ecological groups,two palynological diversity indices (D-total and H'-total) and several high percentage pollen taxa are used to reconstruct the palaeoclimatic evolution of the Heqing Basin of Yunnan Province. The palaeolcimate went through eight major stages since 2.780 Ma (late Pliocene to Holocene). Corresponding with the palaeoclimate,the southwest mo...
