Apr. 2025

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2016 Vol. 35, No. 3

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Articles
Turbulent mixing in the upper ocean of the northwestern Weddell Sea, Antarctica
GUO Guijun, SHI Jiuxin, JIAO Yutian
2016, 35(3): 1-9. doi: 10.1007/s13131-016-0816-y
Abstract:
Turbulent mixing in the upper ocean (30-200 m) of the northwestern Weddell Sea is investigated based on profiles of temperature, salinity and microstructure data obtained during February 2014. Vertical thermohaline structures are distinct due to geog...
Low-frequency variability of the shallow meridional overturning circulation in the South China Sea
YANG Zhitong, LUO Yiyong
2016, 35(3): 10-20. doi: 10.1007/s13131-016-0826-9
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The low-frequency variability of the shallow meridional overturning circulation (MOC) in the South China Sea (SCS) is investigated using a Simple Ocean Data Assimilation (SODA) product for the period of 1900-2010. A dynamical decomposition method is ...
Causes of seasonal sea level anomalies in the coastal region of the East China Sea
WANG Hui, LIU Kexiu, QI Dongmei, GAO Zhigang, FAN Wenjing, ZHANG Zengjian, WANG Guosong
2016, 35(3): 21-29. doi: 10.1007/s13131-016-0825-x
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Based on the analysis of sea level, air temperature, sea surface temperature (SST), air pressure and wind data during 1980-2013, the causes of seasonal sea level anomalies in the coastal region of the East China Sea (ECS) are investigated. The resear...
Variations of temperature, salinity and current in the southern tidal passage of the Hangzhou Bay, China
HE Zhiguo, HUANGFU Kailong, YUAN Yeping, SONG Dan, LI Li
2016, 35(3): 30-37. doi: 10.1007/s13131-016-0819-8
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Field surveys covering a spring-neap tidal period were conducted to investigate the characteristics of tidal dynamics within a curved channel in the southern Hangzhou Bay, China. The channel has a maximum depth of more than 100 m with an average tida...
Study on the mesoscale eddies around the Ryukyu Islands
HAN Shuzong, XU Changsan, WU Huiming, WANG Gang, PEI Junfeng, FAN Yongbin, WANG Xingchi
2016, 35(3): 38-45. doi: 10.1007/s13131-016-0824-y
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Results of the Ocean General Circulation Model for the Earth Simulator (OFES) from January 1977 to December 2006 are used to investigate mesoscale eddies near the Ryukyu Islands. The results show that:(1) Larger eddies are mainly east of Taiwan, abov...
Wind-wave hindcast in the Yellow Sea and the Bohai Sea from the year 1988 to 2002
HE Hailun, XU Yao
2016, 35(3): 46-53. doi: 10.1007/s13131-015-0786-5
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We performed long-term wind-wave hindcast in the Yellow Sea and the Bohai Sea from the year 1988 to 2002, and then analyzed the regional wave climate. Comparisons between model results and satellite data are generally consistent on monthly mean signi...
Assessment and adjustment of sea surface salinity products from Aquarius in the southeast Indian Ocean based on in situ measurement and MyOcean modeled data
XIA Shenzhen, KE Changqing, ZHOU Xiaobing, ZHANG Jie
2016, 35(3): 54-62. doi: 10.1007/s13131-016-0818-9
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The in situ sea surface salinity (SSS) measurements from a scientific cruise to the western zone of the southeast Indian Ocean covering 30°-60°S, 80°-120°E are used to assess the SSS retrieved from Aquarius (Aquarius SSS). Wind speed and sea surface ...
Role of ocean upper layer warm water in the rapid intensification of tropical cyclones:A case study of typhoon Rammasun (1409)
SUN Jia, ZUO Juncheng, LING Zheng, YAN Yunwei
2016, 35(3): 63-68. doi: 10.1007/s13131-015-0761-1
Abstract:
Rammasun intensified rapidly from tropical storm to super typhoon in the northern South China Sea (NSCS) before its landfall on Hainan Island. Analysis of observed data shows that the anomalous ocean upper layer warm water (WW) is important to the ra...
Comparison and combination of EAKF and SIR-PF in the Bayesian filter framework
SHEN Zheqi, ZHANG Xiangming, TANG Youmin
2016, 35(3): 69-78. doi: 10.1007/s13131-015-0757-x
Abstract:
Bayesian estimation theory provides a general approach for the state estimate of linear or nonlinear and Gaussian or non-Gaussian systems. In this study, we first explore two Bayesian-based methods:ensemble adjustment Kalman filter (EAKF) and sequent...
Calibration of HY-2A satellite significant wave heights with in situ observation
PENG Hailong, LIN Mingsen
2016, 35(3): 79-83. doi: 10.1007/s13131-015-0758-9
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Significant wave height (SWH) can be computed from the returning waveform of radar altimeter, this parameter is only raw estimates if it does not calibrate. But accurate calibration is important for all applications, especially for climate studies. H...
Research on polarization of oil spill and detection
CAI Yang, ZOU Yarong, LIANG Chao, ZOU Bin
2016, 35(3): 84-89. doi: 10.10.1007/s13131-015-0817-x
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The SAR (Synthetic Aperture Radar) has the capabilities for all-weather day and night use. In the case of determining the effects of oil spill dumping, the oil spills areas are shown as dark spots in the SAR images. Therefore, using SAR data to detec...
Assessment of intraseasonal variabilities in China Ocean Reanalysis (CORA)
ZHANG Min, ZHOU Lei, FU Hongli, JIANG Lianghong, ZHANG Xiangming
2016, 35(3): 90-101. doi: 10.1007/s13131-016-0820-2
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A regional reanalysis product-China Ocean Reanalysis (CORA)-has been developed for the China's seas and the adjacent areas. In this study, the intraseasonal variabilities (ISVs) in CORA are assessed by comparing with observations and two other reanal...
A quantitative approach to monitoring new sand cay migration in Nansha Islands
ZHU Haitian, JIANG Xingwei, MENG Xuelian, FENG Qian, CUI Songxue, LIANG Chao
2016, 35(3): 102-107. doi: 10.1007/s13131-016-0827-8
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Sand cay is a special kind of islet formed by coral detritus and bioclast, which is common in Nansha Islands of China. Some sand cays play an important role in ocean strategy and economy, but surprisingly we know little about them, especially those r...
Impacts of climatic and marine environmental variations on the spatial distribution of Ommastrephes bartramii in the Northwest Pacific Ocean
YU Wei, CHEN Xinjun, YI Qian, GAO Guoping, CHEN Yong
2016, 35(3): 108-116. doi: 10.1007/s13131-016-0821-1
Abstract:
Ommastrephes bartramii is an ecologically dependent species and has great commercial values among the Asia-Pacific countries. This squid widely inhabits the North Pacific, one of the most dynamic marine environments in the world, subjecting to multi-...
Study on wave energy resource assessing method based on altimeter data-A case study in Northwest Pacific
WAN Yong, ZHANG Jie, MENG Junmin, WANG Jing, DAI Yongshou
2016, 35(3): 117-129. doi: 10.1007/s13131-016-0804-2
Abstract:
Wave energy resource is a very important ocean renewable energy. A reliable assessment of wave energy resources must be performed before they can be exploited. Compared with wave model, altimeter can provide more accurate in situ observations for oce...