Diurnal Variations in Precipitable Water Observed by Shipborne GPS over the Tropical Indian Ocean

被引：12
|
作者：
Yasunaga, Kazuaki [1 ]
Fujita, Mikiko
Ushiyama, Tomoki [2 ]
Yoneyama, Kunio
Takayabu, Yukari N.
Yoshizaki, Masanori
机构：
[1] JAMSTEC, Apan Agcy Marine Earth Sci & Technol, Inst Observat Res Global Change, Yokosuka, Kanagawa 2370061, Japan
[2] Natl Inst Agroenvironm Sci, Tsukuba, Ibaraki 305, Japan
来源：
SOLA | 2008年 / 4卷
关键词：
D O I：
10.2151/sola.2008-025
中图分类号：
P4 [大气科学（气象学）];
学科分类号：
0706 ; 070601 ;
摘要：
The present paper investigates the relationship between the skin sea surface temperature (SSTskin) and the precipitable water (PW) observed over the tropical Indian Ocean. PW is derived from a shipborne Global Positioning System (GPS). Composite diurnal variations indicate that the increase of PW and radar echo coverage (rainfall) in the daytime correspond to the large SSTskin rise during the undisturbed period (The PW increase is statistically significant at 90% level). The surface fluxes calculated using the bulk flux algorithm are too small to account for the observed increase of PW, while the bulk flux agrees with the directly measured eddy flux.
引用
收藏
页码：97 / 100
页数：4
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