Search Results 1-20 of 34

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  • FIELD OBSERVATION OF LONGSHORE AND RIP CURRENT USING IMAGERIES OF WEB CAMERA INSTALLED ON HOKOTA COAST  [in Japanese]

    大谷 靖郎 , 宇多 高明 , 大崎 康弘 , 永沼 慎吾 , 三波 俊郎 , 大木 康弘 , 市村 康

    土木学会論文集. B2, 海岸工学 Journal of Japan Society of Civil Engineers. 土木学会海岸工学委員会 編 74(2), I_91-96, 2018

  • FIELD OBSERVATION OF LONGSHORE AND RIP CURRENT USING IMAGERIES OF WEB CAMERA INSTALLED ON HOKOTA COAST  [in Japanese]

    OHTANI Yasuro , UDA Takaaki , OSAKI Yasuhiro , NAGANUMA Shingo , SAN-NAMI Toshiro , OOKI Yasuhiro , ICHIMURA Yasushi

    … During this period, the direction of longshore channel, where longshore currents are developing, changed offshore to form a rip channel while cutting the bar, and a rip head was formed offshore of outer bar. … Furthermore, it was found that a rip current always develops along the north side of No. 29 artificial headland because of its wave-sheltering effect. …

    Journal of Japan Society of Civil Engineers, Ser. B2 (Coastal Engineering) 74(2), I_91-I_96, 2018

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  • Discovery of the Paleocene radiolarian fossils from mudstone gravels in the Nyunokawa Formation of the Shimanto Superbelt in the Kii Peninsula:—The Study of the Shimanto Terrain in the Kii Peninsula, Southwest Japan (Part 16) —  [in Japanese]

    Kishu Shimanto Research Group

    … 2) gravels originating from submarine channel erosion of older accretionary prism; … and 3) syn-depositional rip-up clasts of submarine fan deposits.</p> …

    Earth Science (Chikyu Kagaku) 71(4), 167-184, 2017

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  • Comparison of Bi-Directional Sound Propagation in a Current Rip Region between Tsugaru Warm Eddy and Oyashio Cold Water Mass  [in Japanese]

    TSURUGAYA Yoshiaki , GOTOH Shinpei , MIZUTANI Koichi , KIKUCHI Toshiaki

    … A current rip is generated in the region by which the warm water mass and the cold water mass are bounded. … Sound propagation is influenced by the current rip region. … Because the sound channel (SC) propagation predominates in OyCWM, the receiver depth can reduce the TL near the SC axis.</p> …

    The Journal of the Marine Acoustics Society of Japan 43(2), 53-70, 2016

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  • CONTINUAL OBSERVATION OF RIP CURRENT WITH X-BAND RADAR AT UCHINADA BEACH, KANAZAWA, JAPAN  [in Japanese]

    KOJIMA Masanori , TAKEWAKA Satoshi , FUKUMOTO Masatake , ISHINO Yoshio , SAKAI Ryosuke , ONO Nobuyuki , KUROKI Keiji

    …  Detection of rip current occurrence is important for safety management of swimming beach. … In this study, an X-band radar is employed to observe locations of rip-channels and occurrences of rip current at Uchinada Beach, Kanazawa, Japan. … In the time averaged radar images, which were processed for every 2 minutes, rip channel locations and rip heads were tracked for 40 days in August and September of 2015. …

    Journal of Japan Society of Civil Engineers, Ser. B3 (Ocean Engineering) 72(2), I_307-I_311, 2016

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  • Synergistic Effects of 5-Fluorouracil and Gambogenic Acid on A549 Cells: Activation of Cell Death Caused by Apoptotic and Necroptotic Mechanisms <i>via</i> the ROS-Mitochondria Pathway

    Su Jingjing , Cheng Hui , Zhang Dandan , Wang Mei , Xie Chenye , Hu Yawen , Chang Hebron Chun-Wei , Li Qinglin

    … Furthermore, combination treatment of GNA and 5-FU showed up-regulated of caspase-3, caspase-9, bax, RIP1, apoptosis-inducing factor (AIF), voltage-dependent anion channel (VDAC), cytochrome <i>c</i> …

    Biological and Pharmaceutical Bulletin 37(8), 1259-1268, 2014

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  • WAVE-CURRENT INTERACTION IN DYNAMICS OF BAROTROPIC NEARSHORE CURRENT SYSTEM  [in Japanese]

    KAIDA Hideki , UCHIYAMA Yusuke

    …  We examine a wave-current interaction, in particular current effects on waves (CEW), in a nearshore current system developed on a single-barred, rip channel topography. … If CEW is taken into consideration, wave ray bending occurs to induce the prominent reduction of offshore extent of rip currents with near-normal offshore wave incidence. …

    Journal of Japan Society of Civil Engineers, Ser. B2 (Coastal Engineering) 70(1), 1-14, 2014

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  • Wave-current interaction on morphological evolution of rip channel systems  [in Japanese]

    UCHIYAMA Yusuke , MIYAZAKI Dai , KAIDA Hideki

    … Current effect on waves (CEW) is examined for formation of rip channel systems with a barotropic model that consists of an Eulerian phase-averaged shallow water equation with a vortex-force formalism, WKB ray equations, and a bed evolution equation with the Soulsby-Van Rijn's total sediment flux formula. … CEW acts on reducing the offshore extent of seaward rip currents through wave refraction on the currents, leading to modifying the budget of sediment flux and the associated surf-zone topography. …

    Journal of Japan Society of Civil Engineers, Ser. B2 (Coastal Engineering) 69(2), I_521-I_525, 2013

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  • Optimized Right-to-Left Scalar Multiplication RIP Algorithms

    MIYAJI Atsuko , MO Yiren

    … Takenaka proposed a countermeasure for ECC to be resistant against DPA attack by inducing a random initial point (RIP), called IIT-RIP, which works in the right-to-left way. … Morimoto also proposed a left-to-right RIP countermeasure, called MMM-RIP. … Comparing IIT-RIP with MMM-RIP, the IIT-RIP uses one more register and is vulnerable to SEA and address-bit attack. …

    IEICE technical report. Life intelligence and office information systems 111(286), 109-114, 2011-11-14

  • Optimized Right-to-Left Scalar Multiplication RIP Algorithms

    MIYAJI Atsuko , MO Yiren

    … Takenaka proposed a countermeasure for ECC to be resistant against DPA attack by inducing a random initial point (RIP), called IIT-RIP, which works in the right-to-left way. … Morimoto also proposed a left-to-right RIP countermeasure, called MMM-RIP. … Comparing IIT-RIP with MMM-RIP, the IIT-RIP uses one more register and is vulnerable to SEA and address-bit attack. …

    Technical report of IEICE. ISEC 111(285), 109-114, 2011-11-07

    References (13)

  • Optimized Right-to-Left Scalar Multiplication RIP Algorithms

    MIYAJI Atsuko , MO Yiren

    電子情報通信学会技術研究報告. LOIS, ライフインテリジェンスとオフィス情報システム = IEICE technical report. LOIS, Life intelligence and office information systems 111(286), 109-113, 2011-11-07

    References (13)

  • Study on Wave Height and Mean Water Level around Rip Current

    ARITA Mamoru , DEGUCHI Ichiro , IRIE Yusuke , MATUMOTO Takurou , SUGIMORI Takayuki

    … Mean water level around the rip channel in Uradome Beach in Tottori was measured by the stereo image analysis of the two video images. … It is found that the mean sea level along the rip current was slightly higher than those in the region along each side of the rip current. …

    Journal of Japan Society of Civil Engineers, Ser. B2 (Coastal Engineering) 67(2), I_101-I_105, 2011

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  • Compressed Channel Sensing for Two-way Relay Network

    GUI Guan , WAN Qun , ADACHI Fumiyuki

    … Two-way relay network (TWRN) was introduced to realize high-data rate transmission and to improve spatial diversity over the frequency-selective fading channel. … However, channel state information (CSI) is needed due to the requirement from coherent data detection and the self-data removal at terminals. …

    IEICE technical report 110(251), 19-24, 2010-10-20

    References (20)

  • 3D Morphodynamic Model for Considering Wave-current Interaction

    KUROIWA Masamitsu , KHALED SEIF Ahmed , MATSUBARA Yuhei , MASE Hajime , ZHENG Jinhai

    … Firstly, in order to investigate the influence of the interaction into the morphodynamics, three model tests associated with a detached breakwater, submerged breakwater and sand bars with rip-channel were carried out. …

    Journal of Japan Society of Civil Engineers, Ser. B2 (Coastal Engineering) 66(1), 551-555, 2010

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  • Sediment Transport Characteristics of the Tomamae Fishery Port and Surrounding Shore Reef

    KAITU Hiroyuki , HIRANO Seiji , YAMASITA Toshihiko , NAKAYAMA Akiyoshi , KURIYAMA Yoshiaki , SATO Toshihiko , ISIGURO Ichiro

    … Countermeasures against channel shoaling at the Tomamae fishery port on the west side of Hokkaido, have been deemed necessary. … In this study, field observations in terms of wave dimensions, flow, and such like , were conducted to find that the sediment behind the artificial reef and around the shoreline had been transported by the longshore current and rip current. …

    Journal of Japan Society of Civil Engineers, Ser. B2 (Coastal Engineering) 66(1), 511-515, 2010

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  • Bathymetric change around artificial reefs along Tottori coast

    KIMURA Akira , OHNO Kenichi , NAKAMURA Machiko

    Rip channel appears shore side of each bar and the channel changes the direction toward the center of each AF after it meets with the neighboring channel. …

    Journal of Japan Society of Civil Engineers, Ser. B2 (Coastal Engineering) 66(1), 506-510, 2010

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  • Waves and Wave-Induced Current in the Decaying and Developing Process of Rip Channel

    DEGUCHI Ichiro , ARITA Mamoru , TSUTSUI Kengo , MATSUMOTO Takuro

    … Field measurements of bottom topography together with the wave height and water particle velocity in the shallow water region were carried out in September, 2008 and 2009 to investigate the relation between rip channel and rip current. … On the relict rip channel, rip current is usually generated provided the wave incident angle does not change significantly or the incident wave height increases largely. …

    Journal of Japan Society of Civil Engineers, Ser. B2 (Coastal Engineering) 66(1), 111-115, 2010

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  • Bathymetric Changes along Tottori Sand Dune Coast  [in Japanese]

    The present study deals with a short-term change of an offshore bar topology along Tottori coast during 5 years (2004-2009). This coast has a multiple offshore bar system. An inner bar lies around 100 …

    鳥取大学大学院工学研究科/工学部研究報告 (40), 5-22, 2009-12

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  • Wave Length of Cusps along Tottori Sand Dune Coast

    KIMURA Akira , KIMURA Teruko

    Rip channel developed at the every bay position. …

    Journal of Japan Society of Civil Engineers, Ser. B2 (Coastal Engineering) 65(1), 581-585, 2009

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  • Obstacle scours in massive gravity flow deposits  [in Japanese]

    Ozaki Kaori , Miyata Yuichiro

    … The results of open-channel flume experiments indicate that such scours can not be formed as flute marks or pot holes, but by scouring around obstacles. … Mud clasts may be favorable for such obstacles in turbidites, and rip-up soil blocks or tree debris are for pyroclastic flows. …

    Journal of the Sedimentological Society of Japan 67(2), 85-101, 2009

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