Journal of Arid Meteorology ›› 2021, Vol. 39 ›› Issue (4): 569-576.

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Cloud Water Resources Assessment in Qinghai Province Based on ERA-Interim Reanalysis Data

ZHANG Haihong1,2, SHI Mingming1,2, WU Hao3, QI Donglin1,2, QUAN Chen1,2   

  1. 1. Qinghai Institute of Meteorological Science, Xining 810001, China;
    2. Key Laboratory for Disaster Prevention and Mitigation in Qinghai Province, Xining 810001, China;
    3. Key Laboratory of China Meteorological Administration Atmospheric Sounding, School of
     Electrical Engineering, Chengdu University of Information Technology, Chengdu 610225, China)
  • Online:2021-08-31 Published:2021-09-13

基于ERA-Interim资料的青海省空中云水资源评估

张海宏1,2,石明明1,2,吴昊3,祁栋林1,2,权晨1,2   

  1. (1.青海省气象科学研究所,青海西宁810001;
    2.青海省防灾减灾重点实验室,青海西宁810001;
    3.中国气象局大气探测重点实验室,成都信息工程大学电子工程学院,四川成都610225)
  • 通讯作者: 吴昊(1988— ),男,山西忻州人,工程师,主要从事大气气溶胶-云-边界层相互作用研究. Email: wcgse@live.cn
  • 作者简介:张海宏(1984— ),男,青海西宁人,工程师,主要从事青藏高原气候变化影响研究. Email: pkuzhh@163.com。
  • 基金资助:
    青海省重大科技专项(2019-ZJ-A10)和第二次青藏高原综合科学考察研究(2019QZKK0206)共同资助

Abstract: Based on ERAinterim reanalysis data from 2009 to 2018, the spatial and temporal distribution characteristics of cloud liquid water content and cloud ice water content in Qinghai were analyzed. The results show that both cloud liquid water content and cloud ice water content increased from northwest to southeast. Cloud water resources were concentrated in the southern part of Yushu, southeastern part of Guoluo and Qilian mountain areas, where they were highest in summer and autumn and could reach 60~70 g·m-2. Cloud liquid water content and cloud ice water content increased firstly and then decreased with increasing altitude. Cloud liquid water content was concentrated at a height of 4 to 6 km, and cloud ice water content was concentrated at a height of 7 to 8 km. The altitude with the maximum cloud ice water content was higher than that with the maximum cloud liquid water content. In summer and autumn, the amplitudes of vertical variation of cloud liquid water content and cloud ice water content were biggest in Qinghai southern plateau, while they were smallest in Qaidam Basin. Cloud liquid water content and cloud ice water content in most parts of Qinghai increased from 2009 to 2018 and the increasing trend in autumn was most obvious. Cloud liquid water content and cloud ice water content was highest in September and lowest in January. The differences in monthly variations of cloud liquid water content and cloud ice water content in Qaidam Basin were smallest. The difference in monthly variations of cloud liquid water content in eastern agricultural region was biggest, while the difference in monthly variations of cloud ice water content in Qinghai southern plateau was biggest.

Key words: Tibetan Plateau, cloud liquid water content, cloud ice water content

摘要: 利用ERA-interim再分析资料分析2009—2018年青海省云液水含量和云冰水含量时空分布特征。结果表明:青海省云液水含量和云冰水含量自西北向东南逐渐增多,玉树南部、果洛东南部和祁连山区为云水资源较为丰富的地区,夏秋季节云水资源最为丰富,可达60~70 g·m-2。从云水资源的垂直分布来看,云液水含量和云冰水含量随海拔高度增高呈先增多后减少的变化趋势,云液水含量在海拔4~6 km高度较多,云冰水含量在海拔7~8 km高度较多,云冰水含量峰值所在高度高于云液水含量峰值所在高度。夏秋季节,青南高原云液水含量和云冰水含量垂直变化幅度大,柴达木盆地云液水含量和云冰水含量垂直变化幅度小。从年际变化趋势来看,2009—2018年青海省大部地区云液水含量、云冰水含量呈增多趋势,且秋季增多趋势最为显著。从月际变化看,云液水含量和云冰水含量9月最高,1月最低。柴达木盆地云液水含量和云冰水含量的月际差异最小,东部农业区云液水含量月际差异最大,青南高原云冰水含量月际差异最大。
关键词:青藏高原|云液水含量|云冰水含量

关键词: 青藏高原, 云液水含量, 云冰水含量

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