地理学报 ›› 1999, Vol. 66 ›› Issue (3): 193-203.doi: 10.11821/xb199903001

• 论文 •    下一篇

中国红土与自然地带变迁

黄镇国, 张伟强, 陈俊鸿   

  1. 广州地理研究所,广州510070
  • 收稿日期:1998-03-10 修回日期:1998-07-23 出版日期:1999-05-15 发布日期:1999-05-15
  • 基金资助:
    广东省自然科学基金资助项目,编号920235

THE CHANGE OF NATURAL ZONES AND THE EVOLUTION OF RED EARTH IN CHINA

Huang Zhenguo, Zhang Weiqiang, Chen Junhong   

  1. Guangzhou Institute of Geography, Guangzhou 510070
  • Received:1998-03-10 Revised:1998-07-23 Online:1999-05-15 Published:1999-05-15
  • Supported by:
    Supported by Natural Science Foundation of Guangdong Province No.920235

摘要: 我国第四纪冷期气候及自然地带变迁的研究较多,本文则专论暖期。根据棕红色土、红土、强风化红土或网纹红土的时空分布,结合其它环境标志,论述亚热带北部、亚热带南部、热带这3个自然地带在上新世以来的4个暖期的配置。

关键词: 红土, 自然地带, 暖期

Abstract: According to the spatial and temporal distribution of the brown reddish soil, red earth and relicular mottled red clay, the locations change of subtropical and tropical zones since late Pliocene in China are discussed in this paper. From the change of the limit of natural zone, the climatic variation and its amplitude in southern China can be deduced respectively. The north limits of the northern part of subtropical zone in N2, Q12, Q21 and Q 3 were 41°~42°N, 46°N, 42°~45°N and 35°~40°N, 30°~33°N for the southern part of subtropical zone and 25°~32°N, 30°~32°N, 25°~30°N and 24°~26°N for tropical zone. Comparing with the present limit of the northern part of subtropical zone was of the largest amplitude moving northward, but the other two zones were of a similar moving amplitude during the four periods. The limits of the three kinds of red earth during Q12 period are latitude of 12°~13°, 8°~12° and 5°, that showing the most warm period of Quaternary in China. Comparing with the climatic condition at present, a rising amplitude of annual temperature in 1℃~4℃ during the four warm periods in general is predicted. North China and the area of the middle lower reach of Changjiang River occured obvious environmental change especially during the period of Q12 with a variation of two natural zones, and was a confrontation state each other between the southern part of subtropical and tropical zone in central China during the four periods, but as tropical zone always in south China. The north limit of tropical zone had moved to 30°N during three periods, so there was tropical for a long term in south east China causing extensive development of the relicular mottled red clay especially during the period of Q21. Until late Pleistocene central and east China is of a stable zone of the southern part of subtropical, thus a corresponding scope of the present tropical and red earth distribution is formed finally.

Key words: red earth, natural zone, warm periods

中图分类号: 

  • S159.2