Search Results 1-20 of 51

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  • FATES AND DYNAMICAL ROLES OF PINCH-OFF MESOSCALE EDDIES FROM THE KUROSHIO EXTENSION JET ANALYZED WITH THE ARMOR3D DIAGNOSIS  [in Japanese]

    OKADA Nobue , UCHIYAMA Yusuke

    … To investigate fates and dynamical roles of pinch-off eddies from the Kuroshio Extension (KE) Jet, an eddy detection method was applied to ARMOR3D, a 3D global currents and density data set diagnosed from satellite and <i>in-situ</i> … Most of the detected pinch-off eddies are cyclonic on the south side of the KE region, while anticyclonic eddies are predominant on the north side. …

    Journal of Japan Society of Civil Engineers, Ser. B2 (Coastal Engineering) 75(2), I_199-I_204, 2019

    J-STAGE 

  • A three-dimensional modeling study on eddy-mean flow interaction between a Gaussian-type anticyclonic eddy and Kuroshio

    Geng Wu , Xie Qiang , Chen Gengxin , Liu Qinyan , Wang Dongxiao

    Journal of oceanography 74(1), 23-37, 2018-02

  • Offshore detachment of the Changjiang River plume and its ecological impacts in summer

    Wei Qinsheng , Yu Zhigang , Wang Baodong , Wu Hui , Sun Junchuan , Zhang Xuelei , Fu Mingzhu , Xia Changshui , Wang Huiwu

    Journal of oceanography 73(3), 277-294, 2017-06

  • Statistical characteristics and formation mechanism of the Lanyu cold eddy

    Sun Ruili , Gu Yanzhen , Li Peiliang , Li Lei , Zhai Fangguo , Gao Guoping

    Journal of oceanography 72(4), 641-649, 2016-08

  • Eddy-induced transport of the Kuroshio warm water around the Ryukyu Islands in the East China Sea

    Yuki Kamidaira , Yusuke Uchiyama , Satoshi Mitarai

    … A comparison of the modeled data demonstrated that the innermost submesoscale eddy-resolving model successfully reproduced the synoptic and mesoscale oceanic structures even without data assimilation. … therefore, eddy-induced transient processes are essential to the lateral transport of material within the strip between the Kuroshio and the islands. … The model indicated an evident predominance of submesoscale anticyclonic eddies over cyclonic eddies near the surface of this strip. …

    Continental Shelf Research (143), 206-218, 2016-07-15

    IR 

  • DRIFTING BUOY OBSERVATION RELEASED OFF THE COAST OF THE TOHOKU REGION OF THE PACIFIC OCEAN IN THE FALL OF 2014: LEEWAY EFFECT  [in Japanese]

    SHIMADA Yoichi , KODAMA Takuya

    … The buoy after release circulates in the anticyclonic eddy formed by some seamounts and Kuroshio off the far eastern coast of Ibaraki. …

    Journal of Japan Society of Civil Engineers, Ser. B2 (Coastal Engineering) 72(2), I_475-I_480, 2016

    J-STAGE 

  • AN EDDY HEAT FLUX ANALYSIS ON ENHANCEMENT OF SUBMESOSCALE MIXING AROUND THE RYUKYU ISLANDS  [in Japanese]

    KAMIDAIRA Yuki , UCHIYAMA Yusuke , MITARAI Satoshi , NAKADA Shohei

    …  A synoptic, regional downscaling experiment of the Kuroshio off the Ryukyu Islands, Japan, forced by the JCOPE2 and GPV-MSM with a horizontal resolution of 1 km exhibits the evident predominance of submesoscale anticyclonic eddies over cyclones in the narrow strip between the Kuroshio and the islands (Uchiyama <i>et al</i>., 2013). … In order to investigate submesoscale dynamics and associated lateral mixing around the Ryukyu Islands, we conduct an eddy heat flux (EHF) analysis on eddying currents. …

    Journal of Japan Society of Civil Engineers, Ser. B2 (Coastal Engineering) 71(2), I_1219-I_1224, 2015

    J-STAGE 

  • Horizontal distribution of microprotist community structure in the western Arctic Ocean during late summer and early fall of 2010

    Matsuno Kohei , Ichinomiya Mutsuo , Yamaguchi Atsushi , Imai Ichiro , Kikuchi Takashi

    Polar Biology 37(8), 1185-1195, 2014-08

    IR 

  • An observational study of ocean currents and an eddy in the Arctic Ocean using drifting buoys with drogues at selected depth::trial experiments during R/V <i>Mirai</i> Arctic cruise in 2013  [in Japanese]

    Kawaguchi Yusuke , Nishino Shigeto

    … This study examines ocean currents and an eddy in open water region of the western Arctic Ocean using drifting buoy systems during the 2013 R/V Mirai Arctic cruise (MR13-06). … In the Canada Basin, four buoys were deployed around the southern jet stream of the Beaufort Gyre, where two were deployed near the jet and others were around an anticyclonic eddy that was found in the central Canada Basin. …

    JAMSTEC Report of Research and Development 18(0), 29-39, 2014

    J-STAGE 

  • Kuroshio small meander southeast Kyushu and mesoscale eddies  [in Japanese]

    HIHARA Tsutomu , KUBOTA Masahisa , SETOU Takashi , SHIMIZU Manabu , AMBE Daisuke , Tsutomu Hihara , Masahisa Kubota , Takashi Setou , Manabu Shimizu , Daisuke Ambe , 東海大学大学院地球環境科学研究科 , 東海大学海洋学部 , 水産総合研究センター中央水産研究所 , 水産総合研究センター中央水産研究所 , 水産総合研究センター中央水産研究所 , School of Earth and Environmental Science Tokai University , School of Marine Science and Technology Tokai University , National Research Institute of Fisheries Science Fisheries Research Agency , National Research Institute of Fisheries Science Fisheries Research Agency , National Research Institute of Fisheries Science Fisheries Research Agency

    … Second, from the tracks of an eddy in the Kuroshio recirculation region, we found that a relatively large-scale meander tends to occur when an anticyclonic (cyclonic) eddy is located in the southern (eastern) region southeast of Kyushu. … Therefore, we conclude that the location of a mesoscale eddy near Kyushu is important for the development of Kuroshio small meander. …

    Oceanography in Japan 22(4), 119-146, 2013-07-15

    J-STAGE  References (26)

  • Effect of the Kuroshio due to submesoscale anticyclonic eddies and the stirring around Ryukyu Islands  [in Japanese]

    UCHIYAMA Yusuke , KAMIDAIRA Yuki , MITARAI Satoshi , SAKAGAMI Taichiro

    … According to a diagnostic eddy heat flux analysis, the dominance of the negative vorticity is substantial in emergence of submesoscale anticyclonic eddies and the associated heat transport from the Kuroshio. …

    Journal of Japan Society of Civil Engineers, Ser. B2 (Coastal Engineering) 69(2), I_471-I_475, 2013

    J-STAGE 

  • Intensification of the South Side of the Asian Jet Stream during the Northern Winter in CMIP5 models

    Harada Masashi , Hirahara Shoji , Hagiya Satoshi , Murai Hirokazu , Oikawa Yoshinori , Maeda Shuhei

    … The strengthening of the jet stream on the south side is associated with cyclonic (anticyclonic) circulation anomalies in the upper (lower) troposphere over the southern part of China and decreased upper tropospheric divergence over the Maritime Continent. … The strength of the upper tropospheric divergence and the amplitude of the anticylonic eddy streamfunction are strongly correlated. …

    SOLA 9(0), 94-97, 2013

    J-STAGE 

  • The numerical simulation of seasonal variability of the upper circulation in the Okhotsk Sea

    Fayman Pavel A. , Yoon Jong-Hwan

    … Model currents agree well with geostrophic currents derived from satellite data (AVISO) except the Kuril Basin and the southern part of the central Okhotsk Sea with dominant eddy activities. … A dramatic current reversal from a cyclonic to an anticyclonic circulation in the Shelihov Bay is initiated by the start of northeasterly monsoon wind in autumn. …

    Reports of Research Institute for Applied Mechanics,Kyushu University (142), 1-20, 2012-03

    IR  DOI 

  • Water characteristics and temporal variations of the warm core ring off Sanriku of Japan observed by Argo floats  [in Japanese]

    KIMIZUKA Masafumi , KOBASHI Fumiaki , IWASAKA Naoto , Masafumi Kimizuka , Fumiaki Kobashi , Naoto Iwasaka , 東京海洋大学大学院海洋科学技術研究科 , 東京海洋大学海洋工学部:海洋研究開発機構地球環境変動領域 , 東京海洋大学海洋工学部 , Graduate School of Marine Science and Technology Tokyo University of Marine Science and Technology , Faculty of Marine Technology Tokyo University of Marine Science and Technology:Japan Agency for Marine-Earth Science and Technology Research Institute for Global Change , Faculty of Marine Technology Tokyo University of Marine Science and Technology

    … The WCR1 and WCR2 have both vertical structures of anticyclonic eddy, containing warmer and saltier water of the Kuroshio within the eddy than ambient water in the surrounding area, on isopycnal surfaces. …

    Oceanography in Japan 20(5), 149-165, 2011-09-15

    J-STAGE  References (29)

  • An anticyclonic eddy in the intermediate layer of the Luzon Strait in Autumn 2005

    XIE Lingling , TIAN Jiwei , ZHANG Shuwen , ZHANG Yanwei , YANG Qingxuan

    Journal of oceanography 67(1), 37-46, 2011-02-01

    References (44) Cited by (1)

  • Field Observation for Spreading of Fuji River Water in the inner part of Suruga Bay

    NIKI Masato , SUGIMOTO Takashige , KATSUMATA Takaaki , SAKAGUCHI Akir

    … According to the three dimensional current data collected using shipboard acoustic Doppler current profiler (ADCP), anticyclonic eddy at the river mouth is not generated. …

    Journal of Japan Society of Civil Engineers, Ser. B2 (Coastal Engineering) 67(2), I_346-I_350, 2011

    J-STAGE 

  • Interannual variability of mesoscale eddy activity at the subtropical fronts region and its influence on the generation of Kuroshio large meander  [in Japanese]

    鹿島 基彦 , 市川 香 , 佐竹 誠 , Kashima Motohiko , Ichikawa Kaoru , Satake Makoto

    … The 9.25 MHz high frequency ocean radar developed by the National Institute of Communication and Technology observed a significant increase of the Kuroshio surface transport northeast of Taiwan, which is considered to induce KLM04, after the anticyclonic eddies from the subtropical fronts region collided with the Kuroshio east of Taiwan during August-September 2003. …

    Reports of Research Institute for Applied Mechanics,Kyushu University (135), 61-67, 2008-09

    IR  DOI 

  • Variation of Temperature and Velocity associated with Northward Migration of the Temperature Front South of Kyushu, Japan  [in Japanese]

    SAITO Tsutomu , AKIYAMA Hideki , IMAWAKI Shiro , ICHIKAWA Kaoru , OKUNO Akira , SETOU Takashi , UMATANI Shin-ichiro , TANAKA Koji , Tsutomu Saito , Hideki Akiyama , Shiro Imawaki , Kaoru Ichikawa , Akira Okuno , Takashi Setou , Shin-ichiro Umatani , Koji Tanaka , 水産総合研究センター中央水産研究所:九州大学大学院総合理工学府 , 水産総合研究センター中央水産研究所 , 九州大学応用力学研究所 , 海洋研究開発機構 , 水産総合研究センター中央水産研究所 , 水産総合研究センター中央水産研究所 , 九州大学応用力学研究所 , 鹿児島県水産技術開発センター , National Research Institute of Fisheries Science Fisheries Research Agency:Interdisciplinary Graduate School of Engineering Science Kyushu University , National Research Institute of Fisheries Science Fisheries Research Agency , Research Institute for Applied Mechanics Kyushu University , Japan Agency for Marine-Earth Science and Technology , National Research Institute of Fisheries Science Fisheries Research Agency , National Research Institute of Fisheries Science Fisheries Research Agency , Research Institute for Applied Mechanics Kyushu University , Kagoshima Prefectural Fisheries Technology and Development Center

    … The sequence of temperature and velocity fields shows that northward migration of the temperature front is an aspect of the formation, development and dissipation of an anticyclonic Kuroshio frontal eddy on the continental slope south of Satsuma Peninsula; … the frontal eddy extends down to the 300 m depth. …

    Oceanography in Japan 17(3), 163-178, 2008-05-05

    References (16)

  • Anticyclonic Eddy Caused by the Soya Warm Current in an Okhotsk OGCM

    UCHIMOTO KEISUKE , MITSUDERA HUMIO , EBUCHI NAOTO , MIYAZAWA YASUMASA

    Journal of oceanography 63(3), 379-391, 2007-06-01

    References (28) Cited by (8)

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