[1]郭洁,李国平,黄文诗.GPS可降水量与大雾天气关系的初步分析[J].自然灾害学报,2011,20(04):142-146.
　GUO Jie,LI Guo-ping,HUANG Wen-shi.Preliminary analysis of relationship between GPS-based precipitable water vapor and weather with dense fog[J].,2011,20(04):142-146.
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GPS可降水量与大雾天气关系的初步分析
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《自然灾害学报》[ISSN:/CN:23-1324/X]

卷:
20
期数:
2011年04期
页码:
142-146
栏目:
出版日期:
2011-06-09

文章信息/Info

Title:
Preliminary analysis of relationship between GPS-based precipitable water vapor and weather with dense fog
作者:
郭洁1; 2;  李国平2; 3;  黄文诗4
1. 成都高原气象研究所, 四川 成都 610071;
2. 成都区域气象中心, 四川 成都 610225;
3. 成都信息工程学院大气科学学院, 四川 成都 610071;
4. 成都市气象局, 四川 成都 610071
Author(s):
GUO Jie1; 2;  LI Guo-ping2; 3;  HUANG Wen-shi4
1. Institute of Plateau Meteorology, Chengdu 610071, China;
2. College of Atmospheric Science, Chengdu University of Information Technology, Chengdu 610225, China;
3. Chengdu Regional Meteorological Center, CMA, Chengdu 610071, China;
4. Meteorological Bureau of Chengdu, Chengdu 610071, China
关键词:
地基GPS; 遥感; 可降水量; 大雾
Keywords:
ground-based GPS; remote sensing; precipitable water vapor(PWV); dense fog
分类号:
P467
摘要:
利用2007年12月成都地基GPS网络观测数据反演的大气可降水量和地面自动气象站网观测资料,分析了对成都市交通和环境造成严重影响的7次大雾天气过程。通过对有雾和无雾时GPS可降水量、地面空气比湿的合成分析,从雾区上空和近地层水汽变化分析了四川盆地辐射雾形成的原因,而GPS可降水量的日变化特征可为大雾天气的短时临近预警预报提供有价值的参考信息。
Abstract:
In this paper,the precipitable water vapor derived from GPS(GPS PWV) was investigated based on the observation experiment of ground-based GPS network and automatic weather stations in the Chengdu area in December 2007.By using the GPS PWV data,seven fog processes causing serious traffic and environmental impact over the Chengdu area were analyzed.The integrated analysis of diurnal cycles of the GPS PWV and specific humidity were carried out according to coses with and without fog.The causes of the radiation fog in Sichuan Basin were explained in the view of the water vapor change over the fog area and in the surface layer.The feature of diurnal variations of the GPS PWV has some valuable reference information on early warning and forecast of dense fog.

参考文献/References:

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[7] 梁丰,李成才,王迎春,等.应用区域地基全球定位系统观测分析北京地区大气总水汽量[J].大气科学,2003,27(2):236-244.
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备注/Memo

备注/Memo:
收稿日期:2010-5-21;改回日期:2011-3-25。
基金项目:中国气象局气象关键技术集成与应用项目(CMAGJ2011M46);中国气象局成都区域气象中心区域重大科研业务项目(2010-3);成都信息工程学院科研基金项目(KYTZ201034);高原气象开放实验室基金资助
作者简介:郭洁(1981- ),女,硕士,主要从事GPS气象学、气候应用与服务方面研究.E-mail:guojie126@163.com
更新日期/Last Update: 1900-01-01