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应用生态学报 ›› 2020, Vol. 31 ›› Issue (10): 3489-3498.doi: 10.13287/j.1001-9332.202010.012

• 研究论文 • 上一篇    下一篇

山西省参考作物蒸散量的时空变化特征

李娜1, 霍治国2,3*, 周晓宇4, 柏秦凤5, 裴秀苗6, 钱锦霞1   

  1. 1山西省气象台, 太原 030006;
    2中国气象科学研究院, 北京 100081;
    3南京信息工程大学气象灾害预报预警与评估协同创新中心, 南京 210044;
    4沈阳区域气候中心, 沈阳 110016;
    5陕西省经济作物气象服务台, 西安 710015;
    6运城市气象局, 山西运城 044000
  • 收稿日期:2020-05-31 接受日期:2020-07-24 出版日期:2020-10-15 发布日期:2021-04-15
  • 通讯作者: * E-mail: huozg@cma.gov.cn
  • 作者简介:李 娜, 女, 1985年生, 硕士研究生, 高级工程师。主要从事气候变化及农业气象灾害研究。E-mail: nali85@163.com
  • 基金资助:
    国家重点研发计划项目(2017YFC1502801)资助

Spatiotemporal variation of reference evapotranspiration in Shanxi Province, China

LI Na1, HUO Zhi-guo2,3*, ZHOU Xiao-yu4, BAI Qin-feng5, PEI Xiu-miao6, QIAN Jin-xia1   

  1. 1Shanxi Meteorological Observatory, Taiyuan 030006, China;
    2Chinese Academy of Meteorological Sciences, Beijing 100081, China;
    3Collaborative Innovation Center of Meteorological Disaster Forecast, Early-Warning and Assessment, Nanjing University of Information Science & Technology, Nanjing 210044, China;
    4Shenyang Regional Climate Center, Shenyang 110016, China;
    5Shaanxi Meteorological Service Observatory for Economic Crops, Xi'an 710015, China;
    6Yuncheng Meteorological Service, Yuncheng 044000, Shanxi, China
  • Received:2020-05-31 Accepted:2020-07-24 Online:2020-10-15 Published:2021-04-15
  • Contact: * E-mail: huozg@cma.gov.cn
  • Supported by:
    National Key R&D Program of China (2017YFC1502801).

摘要: 基于山西省境内70个地面气象观测站1960—2019年的逐日降水量、气温、日照时数、相对湿度、风速、水汽压等气象资料,应用Penman-Monteith公式计算参考作物蒸散量(ET0),对山西省ET0的时空变化特征及不同气候带和海拔的蒸散特征进行定量分析。结果表明: 1960—2019年,研究区年均ET0在空间上呈现由西向东逐渐递减的趋势;以1982年为拐点,前后两个时段均呈逐年增加趋势,月际、旬际波动为单峰变化曲线。不同气候带ET0的差异性表现为:温带半干旱气候区的年、春、夏、秋季ET0高于暖温带半湿润气候区和暖温带半干旱气候区;冬季,暖温带半湿润气候区ET0最高。不同海拔ET0的差异性表现为:<660 m海拔区的年、夏、秋、冬季ET0高于其他海拔区域。

关键词: 参考作物蒸散量, 气候带, 海拔, 山西省

Abstract: Based on data of daily precipitation, temperature, sunshine hours, relative humidity, wind speed and vapor pressure of 70 meteorological stations from 1960 to 2019 in Shanxi Province, the Penman-Monteith model was applied to calculate the reference evapotranspiration (ET0). The spatiotemporal variations of ET0 as well as the ET0 in different climatic zones and at different altitudes were quantitatively analyzed. The results showed that the mean annual ET0 decreased from west to east in 1960-2019. A jumping point was detected in 1982, with the mean annual ET0 increased both in 1960-1982 and 1983-2019. The monthly and ten-day changes of ET0 showed single peak curves. The variation of ET0 in different climatic zones was as follows: ET0 in temperate and semi-arid areas was higher than that in warm temperate and semi-humid areas and warm temperate and semi-arid areas in spring, summer, autumn and the whole year, while in winter, the highest ET0 was in warm temperate and semi-humid areas. ET0 varied with altitudes, with ET0 in <660 m altitude areas being higher than that in other altitudes in summer, autumn, winter and the whole year.

Key words: reference evapotranspiration, climatic zone, altitude, Shanxi Province