摘要
本文根据历史文献、地质资料的记载和树木年轮年表,绘出了甘肃省近5000年温度变化曲线。研究结果表明,近5000年来甘肃气候经历了4个暖期和4个冷期。4个暖期为3000B.C.—1000B.C,770B.C—44B.C,582A.D.—960A.D.和1192A.D.—1427A.D;4个冷期为1000B.C.—770B.C,43B.C.—581.A.D,961A.D.—1191A.D.和1428A.D.—1870A.D.。
By using the historical records, geological data and the tree-ring chronology, we have drawn the temperature variation curve during the last 5000 years. It is concluded that four warm periods included 3000 B. C.-1000 B. C., 770 B. C-44 B. C., 582 A. D - 960 A. D. and 1192 A. D.-1427 A. D., the four cold periods included 1000 B. C.-770 B. C., 43 B. C-581 A. D., 961 A. D -1191 A. D. and 1428A. D-1870A. D..
出处
《高原气象》
CSCD
北大核心
1993年第3期243-250,共8页
Plateau Meteorology
关键词
甘肃省
气候变化
Gansu Province
The last 5000 years
Climatic changes.
