Influence of the Kuroshio on Mesoscale Convective Systems in the Baiu Frontal Zone over the East China Sea

被引:15
|
作者
Sato, Kazutoshi [1 ,2 ]
Manda, Atsuyoshi [3 ]
Moteki, Qoosaku [4 ]
Komatsu, Kensuke K. [5 ]
Ogata, Koto [5 ]
Nishikawa, Hatsumi [5 ]
Oshika, Miki [5 ]
Otomi, Yuriko [5 ]
Kunoki, Shiori [1 ]
Kanehara, Hisao [6 ]
Aoshima, Takashi [6 ]
Shimizu, Kenichi [6 ]
Uchida, Jun [6 ]
Shimoda, Masako [6 ]
Yagi, Mitsuharu [6 ]
Minobe, Shoshiro [7 ]
Tachibana, Yoshihiro
机构
[1] Hirosaki Univ, Dept Earth Environm Sci, Hirosaki, Aomori, Japan
[2] Grad Univ Adv Studies, Tachikawa, Tokyo, Japan
[3] Nagasaki Univ, Grad Sch Fisheries Sci & Environm Studies, 1-14 Bunkyo, Nagasaki 8528521, Japan
[4] Japan Agcy Marine Earth Sci & Technol, 2-15 Natsushimacho, Yokosuka, Kanagawa 2370061, Japan
[5] Mie Univ, Climate & Ecosyst Dynam Div, Tsu, Mie 514, Japan
[6] Nagasaki Univ, Fac Fisheries, Nagasaki 852, Japan
[7] Hokkaido Univ, Grad Sch Sci, Sapporo, Hokkaido, Japan
关键词
Atmosphere-ocean interaction; Circulation/; Dynamics; Marine boundary layer; Atm/Ocean Structure/ Phenomena; Convection; MULTISCALE FEATURES; SCALE STRUCTURE; SUMMER MONSOON; KYUSHU; EVENT; JAPAN; CONVERGENCE; DYNAMICS;
D O I
10.1175/MWR-D-15-0139.1
中图分类号
P4 [大气科学(气象学)];
学科分类号
0706 ; 070601 ;
摘要
Two mesoscale convective events in the baiu frontal zone (BFZ) were documented, based on intensive atmospheric soundings and oceanic castings in the East China Sea during May 2011, in addition to continuous surface meteorological observations, satellite products, and objective analyses. These events occurred while the BFZ was nearly stagnant and a mesolow was deepening in the zone. Near-surface southerlies associated with the low-level jet transported a warm, humid air mass from south of the BFZ. Enhanced evaporation, which was mainly attributable to the high sea surface temperature of the Kuroshio, augmented the moisture content of the air mass and helped maintain a convectively unstable stratification in the lower troposphere around the BFZ.
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页码:1017 / 1033
页数:17
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