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Title: GPSと雲解像モデルを用いた梅雨期におけるメソスケール水蒸気動態解明に関する研究
Other Titles: Experimental Study on the Effect of Water Vapor in Boundary Layer on the Atmospheric Delay of GPS.
Authors: 大石, 哲  KAKEN_name
亀岡, 知志  KAKEN_name
中北, 英一  KAKEN_name
池淵, 周一  KAKEN_name
島田, 誠一  KAKEN_name
Author's alias: OISHI, Satoru
TOMOSHI, Kameoka
SHIMADA, Seiichi
Keywords: GPS
atmospheric delay
precipitable water vapor
multi-parameter radar
cloud resolution model
Issue Date: 1-Apr-2000
Publisher: 京都大学防災研究所
Journal title: 京都大学防災研究所年報. B = Disaster Prevention Research Institute Annuals. B
Volume: 43
Issue: B-2
Start page: 153
End page: 166
Abstract: 本研究では, GPSおよび気象集中観測がおこなわれた1998年梅雨期の長崎地方を対象として, 主にGPS大気遅延量を用いて, 梅雨期における水蒸気の動態についてメソβ-γスケールで詳細な解析, 調査をおこなう.その際, 地形の影響を考慮し, 雨滴粒径分布を算出できる雲解像モデル, および雨滴粒径分布を推定できる二重偏波レーダーを用いて, 雲物理的, 気象学的見地から, GPS大気遅延量に降雨が及ぼす影響について考察をおこなう.
GPS data, which measures atmospheric delay, informed us of the information of water vapor since atmospheric delay includes the information of water vapor. In this study we investigate meso-scale water vapor disturbance in the rainy season at Nagasaki Prefecture. GPS data that analyzed by using GPS software (GAMIT), Multi-parameter Radar, and Cloud Resolution Model are used for the analysis. The results of analysis indicate the following results; 1) water vapor disturbance is captured in detail by GPS, 2) and GPS data is influenced seriously by each type of rainfall, and 3) GPS is also possible to observe the cumulus scale disturbance of water vapor.
Appears in Collections:No.43 B-2

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