应用“地气图”预测西北旱涝的初步研究  

The Study on Dryness and Wetness Prediction by Earth-atmosphere Chart in Northwest China

作　　者：赵红岩[1] 薛万孝[1] 祝小妮[1] 

机构地区：[1]兰州中心气象台,甘肃兰州730020

出　　处：《干旱气象》2003年第4期37-40,共4页Journal of Arid Meteorology

摘　　要：利用我国141个测站1980～2000年逐月3.2m地温资料和160个测站1961～2000年逐月降水资料,用"地气图"方法对西北区内"地热涡"的分布特征进行详细分析。结果表明,西北区"地热涡"平均水平尺度为560km,每个"地热涡"平均持续时间约4.3个月,而且多雨区与"地热涡",少雨区与"地冷涡"有很好的对应关系,此结果支持文献[1]、[2]提出的地气耦合的概念模式。Using the monthly soil temperature date in the depth of 3.2m during 1980～2000 in 141 stations and the precipitation date during 1961～2000 in 160 stations,through the earth-atmosphere chart method ,the paper analyzed'geothermal vortexes'in Northwest China . The results show that 'geothermal vortexes ' in Northwest China have an average horizontal scale of 560km or so and a life span 4.3 months approximately. Moreover, the monthly precipitation totals are more than normal is well corresponding to the 'geothermal vortexes ',which strongly supports the conceptual model indicating the couple between the earth and the atmosphere proposed in reference[1][2].

关 键 词：地气耦合 “地气图” 旱涝地气预测 西北地区 

分 类 号：P426.616[天文地球—大气科学及气象学]