Based on the historical records of natural disasters, this paper analyses its spatial and time distribution, as well as several disaster years during the period of Three Kingdoms, Wei-Jin and Southern & Northern Dynasties according to the methodology of natural disasters degree estimation. The conclusion shows that the natural disasters occurred more frequently in the seasons of summer and autumn than that in spring and winter, and seven high frequency phases in this period. Similarly, the severe agricultural disasters areas were gathered in the three main agricultural production regions, i.e., Jiangnan, Shanxi and Shandong regions. The total natural disaster years above the middle degree reach 291 times, when extra-severe disasters grade account to 18 years, severe disasters grade relate to 107, and middle disasters degree report to 166 years.
Pu Fengxian
. Spatial and Time Distribution of Agricultural Disasters during the period of Three Kingdoms, Wei-Jin and Southern & Northern Dynasties[J]. Chinese Agricultural Science Bulletin, 2004
, 20(5)
: 269
-269
.
DOI: 10.11924/j.issn.1000-6850.0405269
1龚高法,张丕远.历史时期气候变化研究方法 [M].北京:科学出版社,1983:18~56
2宋正海,孙关龙,艾素珍.历史自然学的理论与实践 [C].北京:学苑出版社,1994:25~48
3李文海.论近代中国灾荒史研究 [J].中国人民大学学报,1988(6)
4许厚德.论我国灾害历史的研究 [J].灾害学,1995,10(1):18~21
5张建民,宋俭.灾害历史学[M].武汉:湖北人民出版社,1998:88~102
6卜风贤.中国农业灾害史料灾度等级量化方法研究[J].中国农史,1996(4):38~46
7郑斯中.气候对社会冲击的评定——一个多学科的课题[J].地理译报, 1982(1):23~28
8方修琦.建立历史灾情序列方法的探讨[J].干旱区资源与环境(增刊) 1989(2):46~51
9邹立晔,于德源.灾害史研究中的年代换算及其软件[J].灾害学,1997,12(1):80~83
10高建国.自然灾害基本参数研究[J].灾害学,1994,9(4):65~73
11张建民,宋俭.灾害历史学[M].武汉:湖北人民出版社,1998:88~102
12卜风贤.农业灾害史研究中的几个问题[J].农业考古,1999,19(3): 280~284
13卜风贤.中国农业灾害史料灾度等级量化方法研究[J].中国农史, 1996, 15(4):38~46
14张波.中国农业灾害史料集[M].西安:陕西科技出版社,1994