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Dive into the research topics where Takashi Aoshima is active.

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Featured researches published by Takashi Aoshima.


Monthly Weather Review | 2016

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

Kazutoshi Sato; Atsuyoshi Manda; Qoosaku Moteki; Kensuke K. Komatsu; Koto Ogata; Hatsumi Nishikawa; Miki Oshika; Yuriko Otomi; Shiori Kunoki; Hisao Kanehara; Takashi Aoshima; Kenichi Shimizu; Jun Uchida; Masako Shimoda; Mitsuharu Yagi; Shoshiro Minobe; Yoshihiro Tachibana

AbstractTwo 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.


Estuarine Coastal and Shelf Science | 2010

Complex vertical migration of larvae of the ghost shrimp, Nihonotrypaea harmandi, in inner shelf waters of western Kyushu, Japan

Akio Tamaki; Sumit Mandal; Yoshihiro Agata; Ikumi Aoki; Toshikazu Suzuki; Hisao Kanehara; Takashi Aoshima; Yasushi Fukuda; Hideshi Tsukamoto; Tetsuo Yanagi


Biogeosciences | 2013

Seasonal shifts in the contributions of the Changjiang River and the Kuroshio Current to nitrate dynamics in the continental shelf of the northern East China Sea based on a nitrate dual isotopic composition approach

Yu Umezawa; Atsuko Yamaguchi; Joji Ishizaka; Takamasa Hasegawa; Chikage Yoshimizu; Ichiro Tayasu; Hiroshi Yoshimura; Yasuhiro Morii; Takashi Aoshima; Nobuhiro Yamawaki


Fisheries Research | 2014

Vertical movements of Pacific bluefin tuna (Thunnus orientalis) and dolphinfish (Coryphaena hippurus) relative to the thermocline in the northern East China Sea

Seishiro Furukawa; Yuichi Tsuda; Gregory N. Nishihara; Ko Fujioka; Seiji Ohshimo; Seitaro Tomoe; Naoyuki Nakatsuka; Hideaki Kimura; Takashi Aoshima; Hisao Kanehara; Takashi Kitagawa; Wei-Chuan Chiang; Hideaki Nakata; Ryo Kawabe


Environmental Biology of Fishes | 2011

Vertical movement of dolphinfish Coryphaena hippurus as recorded by acceleration data-loggers in the northern East China Sea

Seishiro Furukawa; Ryo Kawabe; Seiji Ohshimo; Ko Fujioka; Gregory N. Nishihara; Yuichi Tsuda; Takashi Aoshima; Hisao Kanehara; Hideaki Nakata


Journal of Applied Ichthyology | 2018

Age, growth, and age at sexual maturity of the commercially landed skate species, Dipturus chinensis (Basilewsky, 1855), in the northern East China Sea

Kojiro Hara; Keisuke Furumitsu; Takashi Aoshima; Hisao Kanehara; Atsuko Yamaguchi


Marine Biodiversity Records | 2013

Record body size of the beach conger Conger japonicus (Anguilliformes: Congridae) in the East China Sea

Mitsuharu Yagi; Masako Shimoda; Jun Uchida; Kenichi Shimizu; Takashi Aoshima; Hisao Kanehara


Journal of the Japan Society of Naval Architects and Ocean Engineers | 2011

Development of Disk Type Underwater Glider for Virtual Mooring - Part 3, Construction of Prototype Vehicle and Field Experiments

Masahiko Nakamura; Yuzuru Ito; Wataru Koterayama; Masaru Inada; Joshiro Noda; Kenji Marubayashi; Hisao Kanehara; Takashi Aoshima; Yutaka Yoshikawa; Hiroyuki Oda


The Journal of Japan Institute of Navigation | 2017

Changes in Communication Skills before and after On-board Training

Masaya Yukihira; Kenichi Shimizu; Mitsuharu Yagi; Takashi Aoshima


Journal of Applied Ichthyology | 2015

Length–weight relationships of 22 fish species from the East China Sea

Mitsuharu Yagi; Misato Yamada; Masako Shimoda; Jun Uchida; Tsukasa Kinoshita; Kenichi Shimizu; Nobuhiro Yamawaki; Takashi Aoshima; Yasuhiro Morii; Hisao Kanehara

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