[1]任景全,郭春明,李建平,等.气候变化背景下吉林省风蚀气候侵蚀力时空特征[J].水土保持研究,2017,24(06):233-237.
　REN Jingquan,GUO Chunming,LI Jianping,et al.Spatiotemporal Characteristics of Wind Erosion Climatic Erosivity Under Climate Change in Jilin Province[J].Research of Soil and Water Conservation,2017,24(06):233-237.
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气候变化背景下吉林省风蚀气候侵蚀力时空特征

《水土保持研究》[ISSN:1005-3409/CN:61-1272/P] 卷: 24 期数: 2017年06期 页码: 233-237 栏目: 出版日期: 2017-11-24
Title:
Spatiotemporal Characteristics of Wind Erosion Climatic Erosivity Under Climate Change in Jilin Province
作者:
任景全1, 郭春明1, 李建平1, 刘玉汐2
1. 吉林省气象科学研究所, 长春 130062;
2. 吉林省气象台, 长春 130062
Author(s):
REN Jingquan1, GUO Chunming1, LI Jianping1, LIU Yuxi2
1. Institute of Meteorological Science of Jilin Province, Changchun 130062, China;
2. Meteorological Observatory of Jilin Province, Changchun 130062, China
关键词:
风蚀气候侵蚀力; 风蚀气候因子指数; 气候变化; 时空变化; 吉林省
Keywords:
wind erosion climatic erosivity; wind erosion climatic erosivity factor index; climate change; spatiotemporal changes; Jilin Province
分类号:
P425.6;S157
摘要:
利用吉林省50个气象站1961-2015年的观测资料，计算了吉林省不同区域的风蚀气候因子指数，并分析其变化特征及其影响因子。结果表明：风蚀气候因子指数C值从1月开始逐渐升高，在4月达到最高，7月最低。C值在季节变化上表现为春季 > 冬季 > 秋季 > 夏季。全年尺度上，C值呈显著的降低趋势（p<0.001），倾向率为-18.7/10 a。春季、秋季和冬季C值降低趋势显著（p<0.001），夏季C值降低趋势不显著。年代际变化上，C值在近5 a最低。风蚀气候因子指数呈由西向东逐渐递减的空间分布，西部风蚀气候侵蚀力最强，中部次之，东部最弱。吉林省各站风蚀气候因子指数均呈降低趋势，降低最显著的站点主要分布在中部。风速是西部风蚀气候因子指数的主要气候影响因子，大风日数是中部和东部的主要气候影响因子。
Abstract:
Based on the observation data from 50 meteorological stations during 1961 to 2015 in Jilin Province, the index of wind erosion climatic erosivity factor(C) and its influenced factors were analyzed. The result showed that the index of wind erosion climatic erosivity factor rose rapidly since January, reached the maximum in April and minimum in July. The seasonal features of C value decreased in the order:spring > winter>autumn > summer. The annual feature of C value decreased significantly, which the climatic tendency was -18.7/decade. C values of spring, autumn, and winter decreased significantly, which the C value of summer was not significantly. The decade feature of C value was the lowest in recent five years. The index of wind erosion climatic erosivity factor decreased gradually from west to east. The wind erosion climatic erosivity in the west is the strongest, followed by the middle and the east. The C values of meteorological stations in Jilin Province decreased, which the significant stations were located in the middle part. Wind speed was the primary climatic factor of the index of wind erosion climatic erosivity factor of west zone, while the strong wind days were the primary climatic factor of middle and east.

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备注/Memo

收稿日期:2016-11-03;改回日期:2016-11-29。
基金项目:公益性行业（气象）科研专项“东北地区春玉米农业气象指标体系研究”（GYHY201206018）；吉林省重点科技攻关项目“基于试验的春玉米生育关键期低温冷害农业气象指标研究”（20150204014NY）；中国气象局省级气象科研所科技创新发展经费项目“气候变化对吉林省黑土地影响评估及适应对策”
作者简介:任景全(1988-),男,内蒙古赤峰人,工程师,硕士,主要从事农业气象业务及科研工作。E-mail:renjingquan1988@126.com
通讯作者:郭春明(1962-),男,吉林公主岭人,高级工程师,主要从事农业气象研究工作。E-mail:gch8188@sina.com

更新日期/Last Update: 1900-01-01