Apr. 2025

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2019 Vol. 38, No. 11

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2019, Vol. 38, No. 11 Content
2019, 38(11): .
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2019, Vol. 38, No. 11 Cover
2019, 38(11): .
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2019, Vol. 38, No. 11 Package
2019, 38(11): .
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Physical Oceanography, Marine Meteorology and Marine Physics
Origin and formation of the Ryukyu Current revealed by HYCOM reanalysis
Wang Min, Liu Zhaojun, Zhu Xiaohua, Yan Xiaomei, Zhang Zhongzhe, Zhao Ruixiang
2019, 38(11): 1-10. doi: 10.1007/s13131-018-1329-7
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The origin of the Ryukyu Current (RC) and the formation of its subsurface velocity core were investigated using a 23-year (1993–2015) global Hybrid Coordinate Ocean Model (HYCOM) dataset. The volume transport of the RC comes from the Kuroshio eastwar...
Upwelling off the west coast of Hainan Island: sensitivity to wave-mixing
Bai Peng, Yang Jingling, Zhang Shuwen, Xie Lingling, Wu Junshan
2019, 38(11): 11-19. doi: 10.1007/s13131-019-1494-3
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The coupled ocean–atmosphere–wave–sediment transport (COAWST) modeling system is employed to investigate the role of wave-mixing playing in the upwelling off the west coast of Hainan Island (WHU). Waves, tides and sea surface temperature (SST) are re...
A numerical study of generation and propagation of type-a and type-b internal solitary waves in the northern South China Sea
Zeng Zhi, Chen Xueen, Yuan Chunxin, Tang Shengquan, Chi Lequan
2019, 38(11): 20-30. doi: 10.1007/s13131-019-1495-2
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Numerical simulations based on a high-resolution three-dimensional MIT general circulation model (MITgcm) using realistic topography and tidal forcing are conducted to investigate the generation and propagation of the so-called type-a waves (large-am...
Sea surface temperature data from coastal observation stations: quality control and semidiurnal characteristics
Yang Hua, Gao Qingqing, Ji Huifeng, He Peidong, Zhu Tianmao
2019, 38(11): 31-39. doi: 10.1007/s13131-019-1496-1
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Sea surface temperature (SST) data obtained from coastal stations in Jiangsu, China during 2010–2014 are quality controlled before analysis of their characteristic semidiurnal and seasonal cycles, including the correlation with the variation of the t...
A numerical study on salinity stratification at the Oujiang River Estuary, China
Li Yichun, Liu Jingui
2019, 38(11): 40-50. doi: 10.1007/s13131-019-1497-0
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The Oujiang River Estuary (ORE) is a macrotidal estuary with drastic variation of river discharge and large tidal range. Numerical simulations based on the unstructured grid, Finite-Volume, primitive equation Community Ocean Model (FVCOM) are conduct...
Significant salinity increase in subsurface waters of the South China Sea during 2016–2017
Chen Xingrong, Liu Zenghong, Wang Haiyan, Xu Dongfeng, Wang Lei
2019, 38(11): 51-61. doi: 10.1007/s13131-019-1498-z
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The South China Sea (SCS) is the largest semi-enclosed marginal sea in the North Pacific. Salinity changes in the SCS play an important role in regional and global ocean circulation and the hydrological cycle. However, there are few studies on salini...
Sea level anomalies in the northwestern Pacific during 2011 associated with La Niña and negative Indian Ocean Dipole
Qiu Fuwen, Qiu Yun, Pan Aijun, Cha Jing, Zhang Shanwu
2019, 38(11): 62-69. doi: 10.1007/s13131-019-1499-y
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The sea level anomalies (SLAs) pattern in the northwestern Pacific delineated significant differences between La Niña events occurring with and without negative Indian Ocean Dipole (IOD) events. During the pure La Niña events, positive the sea surfac...
Bimodality and growth of the spectra of typhoon-generated waves in northern South China Sea
Mo Dongxue, Liu Yahao, Hou Yijun, Liu Ze
2019, 38(11): 70-80. doi: 10.1007/s13131-019-1500-9
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Buoy-based observations of wave spectra during the passage of three typhoons in the northern South China Sea are examined. Though most spectra of mature typhoon-generated waves are unimodal, double-peaked spectra account for a significant proportion ...
Marine Geology
Intra-trench variations in flexural bending of the subducting Pacific Plate along the Tonga-Kermadec Trench
Zhang Fan, Lin Jian, Zhou Zhiyuan
2019, 38(11): 81-90. doi: 10.1007/s13131-019-1493-4
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We conducted a detailed analysis of along-trench variations in the flexural bending of the subducting Pacific Plate at the Tonga-Kermadec Trench. Inversions were conducted to obtain best-fitting solutions of trench-axis loadings and variations in the...
Geotechnical properties and stability of the submarine canyon in the northern South China Sea
Liu Jie, Liu Lejun, Li Ping, Gao Shan, Gao Wei, Xu Yuanqin
2019, 38(11): 91-98. doi: 10.1007/s13131-019-1501-8
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The upper part of the continental slope in the northern South China Sea is prone to submarine landslide disasters, especially in submarine canyons. This work studies borehole sediments, discusses geotechnical properties of sediments, and evaluates se...
Petrology and geochemistry of serpentinized peridotites from Hahajima Seamount in Izu-Bonin forearc region
Wu Tuoyu, Tian Liyan, Gao Jinwei, Dong Yanhui
2019, 38(11): 99-110. doi: 10.1007/s13131-019-1469-x
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Serpentinites, which contain up to 13 wt% of water, are important reservoirs for chemical recycling in subduction zones. In the past two decades, forearc mantle serpentinites were identified in different locations around the world. Here, we present p...
Late Holocene mangrove development and response to sea level change in the northwestern South China Sea
Xia Peng, Meng Xianwei, Li Zhen, Zhi Pengyao, Zhao Mengwei, Wang Enkang
2019, 38(11): 111-120. doi: 10.1007/s13131-019-1359-9
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Mangroves, widely distributed along the coasts of tropical China, are influenced by Asia monsoon, relative sea level change and enhanced human activity. To predict the impacts of future climate change on mangrove ecosystems, it can be understood by r...
Marine Technology
The impact of rain to observed signal from Chinese Gaofen-3 synthetic aperture radar in typhoons
Shi Jian, Hu Jiachen, Shao Weizeng, Wang Xiaoqing, Yuan Xinzhe, Zhao Liangbo, Li Xiaofeng
2019, 38(11): 121-133. doi: 10.1007/s13131-019-1502-7
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Gaofen-3 (GF-3), a Chinese civil synthetic aperture radar (SAR) at C-band, has operated since August 2016. Remarkably, several typhoons have been captured by GF-3 around the China Seas over its last two-year mission. In this study, six images acquire...
Marine Information Science
Measurement analyses and evaluations of sea-level heights using the HY-2A satellite’s radar altimeter
Jiang Xingwei, Jia Yongjun, Zhang Youguang
2019, 38(11): 134-139. doi: 10.1007/s13131-019-1503-6
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The HY-2A satellite is China’s first independent oceanic dynamic environmental satellite, and has been operating continuously for more than six years. The satellite’s radar altimeter, which is one of the main loads on the satellite, has the ability t...
An accelerated nonlocal means algorithm for synthetic aperture radar ocean image despeckling
Zha Guozhen, Xu Dewei, Yang Yanming, Song Xin'gai, Zhong Fuhuang
2019, 38(11): 140-148. doi: 10.1007/s13131-019-1504-5
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Synthetic aperture radar (SAR) images play an increasingly important role in ocean environmental monitoring and research. However, SAR images are inherently corrupted by speckle noise. SAR ocean images have some unique characteristics. The signatures...
Acoustic sound speed profile inversion based on orthogonal matching pursuit
Li Qianqian, Shi Juan, Li Zhenglin, Luo Yu, Yang Fanlin, Zhang Kai
2019, 38(11): 149-157. doi: 10.1007/s13131-019-1505-4
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The estimation of ocean sound speed profiles (SSPs) requires the inversion of an acoustic field using limited observations. Such inverse problems are underdetermined, and require regularization to ensure physically realistic solutions. The empirical ...
News and Views
China-France Oceanography Satellite (CFOSAT) simultaneously observes the typhoon-induced wind and wave fields
Xu Ying, Liu Jianqiang, Xie Lingling, Sun Congrong, Liu Jinpu, Li Junyi
2019, 38(11): 158-161. doi: 10.1007/s13131-019-1506-3
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Bedrock samples from the Chukchi Borderland, Arctic Ocean—First Chinese dredge in the polar regions
Zhang Tao, Dong Yanhui, Yang Chunguo, Guan Qingsheng, Gao Jinyao
2019, 38(11): 162-164. doi: 10.1007/s13131-019-1507-2
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