Apr. 2025

7

2021 Vol. 40, No. 7

Cover
2021, 40(7): .
Abstract:
2021-7 Contents
2021, (7): 1-2.
Abstract:
Physical Oceanography, Marine Meteorology and Marine Physics
Three-dimensional circulation in northern South China Sea during early summer of 2015
Huiqun Wang, Yaochu Yuan, Weibing Guan, Chenghao Yang, Dongfeng Xu
2021, 40(7): 1-14. doi: 10.1007/s13131-021-1815-1
Abstract:
Using the hydrographic data obtained during two nearly simultaneous surveys in June 2015, we carried out semi-diagnostic calculations with the help of a finite element model and a modified inverse method, to study the circulation in the northern Sout...
A Lagrangian study of the near-surface intrusion of Pacific water into the South China Sea
Gaolong Huang, Haigang Zhan, Qingyou He, Xing Wei, Bo Li
2021, 40(7): 15-30. doi: 10.1007/s13131-021-1766-6
Abstract:
Satellite-tracked Lagrangian drifters are used to investigate the transport pathways of near-surface water around the Luzon Strait. Particular attention is paid to the intrusion of Pacific water into the South China Sea (SCS). Results from drifter ob...
The mechanism of the banded structure of drifting macroalgae in the Yellow Sea
Yan Li, Fangli Qiao, Hongyu Ma, Qiuli Shao, Zhixin Zhang, Guansuo Wang
2021, 40(7): 31-41. doi: 10.1007/s13131-021-1771-9
Abstract:
At the end of May 2008, a massive bloom of macroalgae occurred in the western Yellow Sea off China and lasted for nearly two months, and annual blooms have occurred since then on. During bloom period, the surface-drifting macroalgae have showed an in...
Characteristics of oceanic mesoscale variabilities associated with the inverse kinetic energy cascade
Mengmeng Li, Zhiliang Liu, Jianing Li, Chongguang Pang
2021, 40(7): 42-57. doi: 10.1007/s13131-021-1814-2
Abstract:
Oceanic geostrophic turbulence theory predicts significant inverse kinetic energy (KE) cascades at scales larger than the energy injection wavelength. However, the characteristics of the mesoscale variabilities associated with the inverse KE cascade ...
Exact solution and approximate solution of irregular wave radiation stress for non-breaking wave
Liangduo Shen, Zhili Zou, Zhaode Zhang, Yun Pan
2021, 40(7): 58-67. doi: 10.1007/s13131-021-1809-z
Abstract:
Wave radiation stress is the main driving force of wave-induced near-shore currents. It is directly related to the hydrodynamic characteristics of near-shore current whether the calculation of wave radiation stress is accurate or not. Irregular waves...
Application of deep learning technique to the sea surface height prediction in the South China Sea
Tao Song, Ningsheng Han, Yuhang Zhu, Zhongwei Li, Yineng Li, Shaotian Li, Shiqiu Peng
2021, 40(7): 68-76. doi: 10.1007/s13131-021-1735-0
Abstract:
A deep-learning-based method, called ConvLSTMP3, is developed to predict the sea surface heights (SSHs). ConvLSTMP3 is data-driven by treating the SSH prediction problem as the one of extracting the spatial-temporal features of SSHs, in which the spa...
Identification of the sensitive area for targeted observation to improve vertical thermal structure prediction in summer in the Yellow Sea
Huiqin Hu, Jingyi Liu, Lianglong Da, Wuhong Guo, Kun Liu, Baolong Cui
2021, 40(7): 77-87. doi: 10.1007/s13131-021-1738-x
Abstract:
The sensitive area of targeted observations for short-term (7 d) prediction of vertical thermal structure (VTS) in summer in the Yellow Sea was investigated. We applied the Conditional Nonlinear Optimal Perturbation (CNOP) method and an adjoint-free ...
Seasonal variation in the three-dimensional structures of coastal thermal front off western Guangdong
Yan Zhang, Lili Zeng, Qiang Wang, Bingxu Geng, Changjian Liu, Rui Shi, Na Liu, Weiping Wang, Dongxiao Wang
2021, 40(7): 88-99. doi: 10.1007/s13131-021-1739-9
Abstract:
The seasonal structure and dynamic mechanism of oceanic surface thermal fronts (STFs) along the western Guangdong coast over the northern South China Sea shelf were analyzed using in situ observational data, remote sensing data, and numerical simulat...
The long-term trend of Bohai Sea ice in different emission scenarios
Donglin Guo, Rui Li, Peng Zhao
2021, 40(7): 100-118. doi: 10.1007/s13131-021-1703-8
Abstract:
Based on a coupled ocean-sea ice model, this study investigates how changes in the mean state of the atmosphere in different CO2 emission scenarios (RCP 8.5, 6.0, 4.5 and 2.6) may affect the sea ice in the Bohai Sea, China, especially in the Liaodong...
Rapid decrease in Antarctic sea ice in recent years
Guanghua Hao, Hui Shen, Yongming Sun, Chunhua Li
2021, 40(7): 119-128. doi: 10.1007/s13131-021-1762-x
Abstract:
A 41-year Antarctic sea ice concentration (SIC) dataset derived from satellite passive microwave radiometers during the period of 1979–2019 has been used to analyze sea ice changes in recent decades. The trends of SIC and sea ice extent (SIE) are cal...
Modelling the annual cycle of landfast ice near Zhongshan Station, East Antarctica
Jiechen Zhao, Tao Yang, Qi Shu, Hui Shen, Zhongxiang Tian, Guanghua Hao, Biao Zhao
2021, 40(7): 129-141. doi: 10.1007/s13131-021-1727-0
Abstract:
A high resolution one-dimensional thermodynamic snow and ice (HIGHTSI) model was used to model the annual cycle of landfast ice mass and heat balance near Zhongshan Station, East Antarctica. The model was forced and initialized by meteorological and ...
Marine Geology
Possible triggering relationship of six Mw > 6 earthquakes in 2018–2019 at Philippine archipelago
Qiu Zhong, Yangfan Deng, Zhigang Peng, Lingyuan Meng
2021, 40(7): 142-158. doi: 10.1007/s13131-021-1813-3
Abstract:
Philippine archipelago (PA) has strong background seismicity, but there is no systematic study of earthquake triggering in this region. There are six earthquakes (Mw > 6) occurred between 2018/12/29 and 2019/09/29 in PA, which provides an excellen...
Modeling calving process of glacier with dilated polyhedral discrete element method
Lu Liu, Ji Li, Qizhen Sun, Chunhua Li, Sue Cook, Shunying Ji
2021, 40(7): 159-169. doi: 10.1007/s13131-021-1819-x
Abstract:
Mass loss caused by glacier calving is one of the direct contributors to global sea level rise. Reliable calving laws are required for accurate modelling of ice sheet mass balance. Both continuous and discontinuous methods have been used for glacial ...
The crustal nature of the northern Mozambique Ridge, Southwest Indian Ocean
Nelta David Matsinhe, Yong Tang, Chun-Feng Li, Jiabiao Li, Estevão Stefane Mahanjane, He Li, Yinxia Fang
2021, 40(7): 170-182. doi: 10.1007/s13131-021-1747-9
Abstract:
The Mozambique Ridge (MOZR) is one of the basement high structures located in the Southwest Indian Ocean, parallel to the Southeast African continental margin. It was formed as a result of the tectono-magmatic evolution of the Gondwana breakup. The o...
Multi-beam and seismic investigations of the active Haima cold seeps, northwestern South China Sea
Bin Liu, Jiangxin Chen, Li Yang, Minliang Duan, Shengxuan Liu, Yongxian Guan, Pengcheng Shu
2021, 40(7): 183-197. doi: 10.1007/s13131-021-1721-6
Abstract:
To confirm the seabed fluid flow at the Haima cold seeps, an integrated study of multi-beam and seismic data reveals the morphology and fate of four bubble plumes and investigates the detailed subsurface structure of the active seepage area. The shap...
Holocene sea level trend on the west coast of Bohai Bay, China: reanalysis and standardization
Jianfen Li, Zhiwen Shang, Fu Wang, Yongsheng Chen, Lizhu Tian, Xingyu Jiang, Qian Yu, Hong Wang
2021, 40(7): 198-248. doi: 10.1007/s13131-021-1730-5
Abstract:
Using 110 newly revised Holocene sea level indicators categorized into three types, sediments (67), shelly cheniers (27) and oyster reefs (16), this paper firstly provides a Holocene relative sea level curve, based on multiple approaches of litho- an...
Marine Information Science
Evolving a Bayesian network model with information flow for time series interpolation of multiple ocean variables
Ming Li, Ren Zhang, Kefeng Liu
2021, 40(7): 249-262. doi: 10.1007/s13131-021-1734-1
Abstract:
Based on Bayesian network (BN) and information flow (IF), a new machine learning-based model named IFBN is put forward to interpolate missing time series of multiple ocean variables. An improved BN structural learning algorithm with IF is designed to...