摘要
本文依据古植被类型与现代气候-植被带的相关性,恢复了晚更新世晚期中国东部沿海区域的古气候环境。
There existed a cold and dry climate and a plantsdesolated period in the coast of Eastern China during the later period of late Pleistocene. In northern part of the North China Plain, there was coniferous treesmeadow herbal land with many plants of cold and dry nature, indicating a periglacial climate environment. In North China Plain and shelf plains of Bohai Sea and northern Yellow Sea, there was sparse trees-herbal vegetation, consisting mainly of Pinus, Artemisia, Chenopodiaceae and few Abies and Picea, indicating a climatic environment of the periglacial surrounding. In the shelf plain of southern Yellow Sea and its coast, there was coniferous and deciduous broadleaved mixed forests herbal vegetation, showing a temperate climatic environment, but colder and dryer. In northern shelf Plain of East China Sea and the coast area of Changjiang River mouth, there was coniferous and deciduous broad-leaved mixed forests herbal vegetation consisting of lot of summergreen forests of cool and dry climatic environment, a transition between temperate and warm temperate zones.In glacial period, influences of cold climate on the Eastern China Coast diminish in scope gradually from high to low latitudes. The mean annual temperature variation between Paleocene and present is over 10℃in the northern North China Plain, 8-10℃ in the periglacial North China and about 4-6℃ in Eastern China.
出处
《海洋科学》
CAS
CSCD
北大核心
1989年第1期22-25,共4页
Marine Sciences
关键词
第四纪
古气侯环境
古植被类型
Paleoclimate environment, Modern climatevegetation zone, Paleo-vegetation type
