基于GNSS PWV的水汽输送路径研究
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摘要
基于2014年河北省CORS观测及气象资料,利用GNSS PWV进行水汽输送路径研究。通过GNSS PWV、ΔPWV变化与实际降水的比较发现,GNSS PWV空间变化与水汽输送路径一致,验证了河北省存在由南向北、由西北向东南的两条水汽输送路径。
According to the CORS observation and meteorological data of Hebei Province in 2014,we analyze the characteristics of water vapor transport in Hebei using GNSS PWV.We compare the relation between GNSS PWV,ΔPWV and precipitation.We find that water vapor transport path is consistent with the spatial distribution of PWV.It is concluded that there are two water vapor transport paths in Hebei province.
According to the CORS observation and meteorological data of Hebei Province in 2014,we analyze the characteristics of water vapor transport in Hebei using GNSS PWV.We compare the relation between GNSS PWV,ΔPWV and precipitation.We find that water vapor transport path is consistent with the spatial distribution of PWV.It is concluded that there are two water vapor transport paths in Hebei province.
引文
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[3]刘严萍,张飞涟,孙晓.地基GPS可降水量用于2011年北京暴雨监测[J].大地测量与地球动力学,2013,33(2):63-66(Liu Yanping,Zhang Feilian,Sun Xiao.Application of Ground-Based GPS Precipitable Water Vapor to Monitor Heavy Rainfall Event of 2011in Beijing[J].Journal of Geodesy and Geodynamics,2013,33(2):63-66)
[4]杨军建,姚宜斌,许超钤,等.大气可降水量与实际降水量的关联性分析[J].测绘地理信息,2016,41(1):18-21(Yang Junjian,Yao Yibin,Xu Chaoqian,et al.Analysis of the Correlation between PWV and Actual Rainfall[J].Journal of Geomatics,2016,41(1):18-21)
[5]Moore A W,Small I J,Gutman S I,et al.National Weather Service Forecasters Use GPS Precipitable Water Vapor for Enhanced Situational Awareness during the Southern California Summer Monsoon[J].Bulletin of the American Meteorological Society,2015,96(11):1 867-1 877
[6]Ryu Y H,Smith J A,Baeck M L,et al.The Regional Water Cycle and Heavy Spring Rainfall in Iowa:Observational and Modeling Analyses from the IFloodS Campaign[J].Journal of Hydrometeorology,2016,17(11):2 763-2 784
[7]郝立生,丁一汇,闵锦忠,等.华北降水季节演变主要模态及影响因子[J].大气科学,2011,35(2):217-234(Hao Lisheng,Ding Yihui,Min Jinzhong,et al.Analysis on Seasonally Evolutive Main Modes of North China Precipitation and Their Influence Factors[J].Chinese Journal of Atmospheric Sciences,2011,35(2):217-234)
[8]梁萍,何金海,陈隆勋,等.华北夏季强降水的水汽来源[J].高原气象,2007,26(3):460-465(Liang Ping,He Jinhai,Chen Longxun,et al.Anomalous Mositure Sources for the Severe Precipitation over North China during Summer[J].Plateau Meteorology,2007,26(3):460-465)
[9]马京津,高晓清.华北地区夏季平均水汽输送通量和轨迹的分析[J].高原气象,2006,25(5):893-899(Ma Jingjin,Gao Xiaoqing.The Transportation Paths of Water Vapor and Its Relation to Climate Change over North China[J].Plateau Meteorology,2006,25(5):893-899)
[10]周晓霞,丁一汇,王盘兴.影响华北汛期降水的水汽输送过程[J].大气科学,2008,32(2):345-357(Zhou Xiaoxia,Ding Yihui,Wang Panxing.Features of Moisture Transport Associated with the Precipitation over North China during July-August[J].Chinese Journal of Atmospheric Sciences,2008,32(2):345-357)