[1]赵金忠,赵年武,赵恒和,等.贵德县近50年气候变化及对冬小麦生产潜力的影响[J].水土保持研究,2012,19(04):260-264.
　ZHAO Jin-zhong,ZHAO Nian-wu,ZHAO Heng-he,et al.Climatic Changes in the Past 50 Years in Guide County, Qinghai Province, and Their Influences on Potential Productivity of Winter Wheat[J].Research of Soil and Water Conservation,2012,19(04):260-264.
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贵德县近50年气候变化及对冬小麦生产潜力的影响

《水土保持研究》[ISSN:1005-3409/CN:61-1272/P] 卷: 19 期数: 2012年04期 页码: 260-264 栏目: 出版日期: 2012-08-20
Title:
Climatic Changes in the Past 50 Years in Guide County, Qinghai Province, and Their Influences on Potential Productivity of Winter Wheat
作者:
赵金忠1, 赵年武2, 赵恒和2, 郭连云2, 段永红1
1. 青海省贵德县气象局, 青海 贵德 811750;
2. 青海省海南州气象局, 青海 共和 813000
Author(s):
ZHAO Jin-zhong1, ZHAO Nian-wu2, ZHAO Heng-he2, GUO Lian-yun2, DUAN Yong-hong1
1. Guide Meteorological Bureau of Qinghai Province, Guide, Qinghai 811750, China;
2. Meteorological Bureau in Hainan State of Qinghai Province, Gonghe, Qinghai 813000, China
关键词:
气候变化; 冬小麦; 气候生产潜力; 贵德县
Keywords:
climatic change; winter wheat; climatic potential productivity; Guide County
分类号:
S162.5+3
摘要:
利用青海省贵德气象站1961—2010年逐日平均气温、逐月降水资料以及逐日日照时数资料，分析近50 a气温、降水以及日照时数的变化。利用Tharnthwaite Memorial模型，以实际的蒸散量计算得到冬小麦的气候生产潜力。结果表明：（1）近50 a来贵德气温呈明显的上升趋势，年降水量呈不明显的减少趋势，年日照时数呈明显减少趋势；（2）目前贵德冬小麦生产潜力开发程度偏低，现实生产力产量只有理论生产潜力的42.7%，气候生产潜力适宜开发程度为57.3%，气候生产潜力可开发速度为14.6%。冬小麦生产潜力的适宜开发程度和可开发程度较高，但当前气候生产潜力开发程度偏低，增产潜力较大。
Abstract:
Change of the atmospheric temperatures, precipitation and light hours in the past 50 years in Guide County was analyzed based on the foundation data of Guide station from 1961 to 2010, including average daily temperature, monthly precipitation, and daily light hours. The potential productivity of winter wheat by using the model of Tharnthwaite Memorial and actual evaportranspiration data was calculated. The results were as followed: in the past 50 years, atmospheric temperatures kept increase significantly, annual precipitation kept decrease insignificantly, and light hours kept decrease significantly. Actual productivity of winter wheat in recent years was only 42.7% of its potential that was theoretical productivity. The rest 57.2% needed to be developed in the future. Undoubtedly, it was feasible for local people to promote actual productivity by appropriate measures.

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备注/Memo

收稿日期:2011-12-31;修回日期:2012-3-5
作者简介:赵金忠（1967- ），男，青海湟中人，工程师，主要从事应用气象研究工作。E-mail：857838260@qq.com。

更新日期/Last Update: 1900-01-01