摘要
本文通过对湖北崇阳狮泉洞石笋的碳氧同位素分析,获得湖北地区古气候的若干变化规律:(1)16520a.(B.P.)气候相对温暖;(2)10950a.(B.P.)左右气候寒冷,之后逐渐转暖;(3)7960a.(B.P.)～5270a.(B.P.)气候温和,是人类生存最宜环境期;(4)2980a.(B.P.)左右有过一次寒冷期,之后气温又逐渐转暖。
By analyzing the isotopes of carbon and oxygen of the stalagmite occurring in Shiquan cave, Chongyang, Hubei Province, some regularities of paleoclimatic variation in Hubei area has been obtained: (1) at 16520a. (B.P.), the climate was relatively warm; (2) around 10950a. (B.P.). it was frigid and began to warm up gradually: (3) from 7960a.( B.P.) to 5270a.(B.P.) . relatively warm, most adaptable to human being; ( 4) at 2980a.(B.P.) . there existed a frigid period. After that.it became warmer year after year
出处
《中国岩溶》
CAS
CSCD
北大核心
1992年第3期245-249,共5页
Carsologica Sinica
基金
国家自然科学基金
关键词
第四纪
石笋
氧
同位素
Paleotemperature
Paleoclimate, wave
Stalagmite
Carbon and oxygen isotopes
Hubei
