HISTORY OF CLIMATE AND FORESTS IN TROPICAL AFRICA DURING THE LAST 8 MILLION YEARS

被引:100
|
作者
HAMILTON, AC [1 ]
TAYLOR, D [1 ]
机构
[1] UNIV HULL,SCH GEOG & EARTH PROC,HULL HU6 7RX,N HUMBERSIDE,ENGLAND
关键词
D O I
10.1007/BF00142215
中图分类号
X [环境科学、安全科学];
学科分类号
08 ; 0830 ;
摘要
There have been major changes in climate and in the composition and distribution of forest during the last 8 Myr. During the last world glacial maximum (peak 18 000 yr B.P.) the climate was dry and cold and forest much reduced and fragmented. The last glacial period as a whole (12 000-70 000 B.P.) was dry in tropical Africa and so too were most of the other 20 major ice ages which have occurred since 2.43 Myr B.P., in comparison with intervening interglacials. The extent of forest must have oscillated greatly. There has been a general drying in climate since 8 Myr.
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页码:65 / 78
页数:14
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