干旱气候变化与可持续发展

中国近20万年以来古气候研究概况及其发展方向

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  • 地矿部岩溶地质研究所 广西桂林 541004
李彬,男,1962年3月出生,副研究员,主要从事岩溶环境学及全球变化研究。

收稿日期: 1997-04-28

  修回日期: 1997-09-15

  网络出版日期: 1998-04-01

基金资助

国家自然科学基金项目“桂林20万年石笋高分辨率古环境重建”( 项目编号: 49472170) 和地矿部岩溶动力学开放研究实验室资助。

A SURVEY OF RESEARCHES ON PALEOCLIMATIC CHANGE UP TO 200 000 A BP IN CHINA AND SOME SUGGESTIONS

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  • Institute of Karst Geology, CAGS, Guilin  541004

Received date: 1997-04-28

  Revised date: 1997-09-15

  Online published: 1998-04-01

摘要

全球变化是当今人们所面临的重大问题之一,而对过去全球变化的认识,尤其对近20万年以来的古气候变化的认识是预测未来全球变化的关键。我国对黄土、湖泊沉积物、冰心、海洋沉积物等信息载体的研究已取得了大量的成果,但仍存在分辨率不高、研究区域分布不均、系统研究不够等问题。因此,应针对这些不足,并结合我国的特殊地域优势和气候形成机制,对一些重点地段和时间段加强研究,以便加深对青藏高原抬升对东亚气候的影响和东亚季风的演化规律等问题的认识。

本文引用格式

李彬,袁道先 . 中国近20万年以来古气候研究概况及其发展方向[J]. 地球科学进展, 1998 , 13(2) : 192 -197 . DOI: 10.11867/j.issn.1001-8166.1998.02.0192

Abstract

Global change is one of the key problems that human faces, and the understanding on the past global change, especially on the paleoclimatic change up to 200 000 a BP, is the key to forecasting future climatic change. Based on the studies on the loess, the lake deposits, the ice cores, the marine sediments and the cave sediments, some important results have been got in China. But there are still so medeficiency, i. e. low resolution records, lack of systematical information in some areas and comprehensive mechanism studies etc. Considering these deficiency and the special regional superiority in China, we should give more effective studies on some important areas and periods in order to understand further the influence of the uplift of Qinghai-Xizang plateau on the East Asia's climate, the evolution of the East Asia monsoon and so on.

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