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[1]YUAN Zai-jian,SHEN Yan-jun,CHU Ying-min,et al.Variations and Distribution of Temperature and Precipitation of Haihe River Basin in Recent 40 Years[J].Research of Soil and Water Conservation,2009,16(03):24-26.

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Variations and Distribution of Temperature and Precipitation of Haihe River Basin in Recent 40 Years

Research of Soil and Water Conservation[ISSN 1005-3409/CN 61-1272/P] Volume: 16 Number of periods: 2009 03 Page number: 24-26 Column: Public date: 2009-06-20

Title:: Variations and Distribution of Temperature and Precipitation of Haihe River Basin in Recent 40 Years

Author(s):: YUAN Zai-jian^1,2, SHEN Yan-jun¹, CHU Ying-min³, QI Yong-qing¹; 1. Center for Agricultural Resources Research, Institute of Genetics and Developmental Biology, CAS, Shijiazhuang 050021, China;
2. School of Economics & Management, Hebei University of Science & Technology, Shijiazhuang 050018, China;
3. College of Tourism, Hebei University of Economics & Business, Shijiazhuang 050061, China

Keywords:: Haihe River basin; precipitation; air temperature; spaticial distribution

CLC:: P467

DOI:: -

Abstract:: By using of linear trend and moving average analysis methods and GIS spatial analysis technique, the long-term trend of temperature and precipitation and the distibution were analyzed in this paper. The data used in this paper were observed at 38 meteorological stations. The results show that the annual mean precipitation exhibited a decreasing trend while the annual mean temperature exhibited an increasing trend during the past 40 years in Haihe River basin. The annual variation of precipitation was obvious, the annual maximum and minimum proportion of precipitation was 2.31 and the variation coefficient of it was 0.18; while the annual variation of temperature was not clear, the annual maximum and minimum proportion of it was only 1.32 and the variation coefficient was 0.06. The reginal differences were obvious and the trend was that the precipitation decreased from the windward slope of Taihang Moutain and Yanshan Moutain to northwest and southeast of the basin while the temperature decreased from southeast to northwest.

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