龚高法,张瑾瑢,张丕远. 1983. 应用史料丰歉记载研究北京地区降水量对冬小麦收成的影响[J]. 气象学报, 41(4):444-451, doi:10.11676/qxxb1983.052
应用史料丰歉记载研究北京地区降水量对冬小麦收成的影响
A STUDY OF THE IMPACTS OF PRECIPITATION ON HARVEST OF WINTER WHEAT BY THE HISTORICAL HARVEST RECORDS
投稿时间:1982-01-18  修订日期:1982-06-29
DOI:10.11676/qxxb1983.052
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英文关键词:
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作者单位
龚高法 中国科学院地理研究所 
张瑾瑢 中国科学院地理研究所 
张丕远 中国科学院地理研究所 
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中文摘要:
      根据史料中丰歉记载和现代产量资料,分析了1736-1978年冬小麦收成与降水量的关系,表明在无灌溉条件下两者关系密切.能谱分析说明冬小麦收成有121,80年等周期,并同降水量变化周期一致.
英文摘要:
      Based on the regional harvest reports of Ching Dynasty kept in the Palace Museum in Beijing and recent records,a series of harvest records of winter wheat during 1736-1978 over Beijing area was constructed.The harvest were presented as a percent of full harvest.Harvest records were spectrally analysed to obtain significant periods of oscillation.It may be seen that there exist 121,80-years and other periods.1744(27% of full harvest) was the worst harvest since 1736.As concerns decade means,1921-1930(56%),1741-1750(60%) were the two worst and 1801一1810(80%) was the best.
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