Mar. 2025

26

2021 Vol. 40, No. 1

Cover
2021, 40(1): .
Abstract:
2021-1 Contents
2021, (1): 1-2.
Abstract:
Editorial
Improving the observation and prediction capabilities for Arctic marine environment: from the perspective of Arctic Shipping
Hui Wang, Qizhen Sun, Lin Zhang, Xi Liang, Qinghua Yang, Na Liu, Chunhua Li, Qingsheng Liu, Bingrui Li, Qian Feng, Xiao Cheng, Yi Yu
2021, 40(1): 1-3. doi: 10.1007/s13131-021-1822-2
Abstract:
Monitoring the Evolution of Arctic Sea Ice and Atmosphere
Evaluation of vertical crustal movements and sea level changes around Greenland from GPS and tide gauge observations
Jiachun An, Baojun Zhang, Songtao Ai, Zemin Wang, Yu Feng
2021, 40(1): 4-12. doi: 10.1007/s13131-021-1719-0
Abstract:
To better monitor the vertical crustal movements and sea level changes around Greenland, multiple data sources were used in this paper, including global positioning system (GPS), tide gauge, satellite gravimetry, satellite altimetry, glacial isostati...
Monitoring the Evolution of Arctic Sea ice and Atmosphere
Sea surface wind speed retrieval from Sentinel-1 HH polarization data using conventional and neural network methods
Tingting Qin, Tong Jia, Qian Feng, Xiaoming Li
2021, 40(1): 13-21. doi: 10.1007/s13131-020-1682-1
Abstract:
Conventional retrieval and neural network methods are used simultaneously to retrieve sea surface wind speed (SSWS) from HH-polarized Sentinel-1 (S1) SAR images. The Polarization Ratio (PR) models combined with the CMOD5.N Geophysical Model Function ...
Quantitative analysis of Arctic ice flow acceleration with increasing temperature
Zemin Wang, Boya Yan, Songtao Ai, Kim Holmén, Jiachun An, Hongmei Ma
2021, 40(1): 22-32. doi: 10.1007/s13131-021-1718-1
Abstract:
This study explores the ice flow acceleration (21.1%) of Pedersenbreen during 2016–2017 after the extremely warm winter throughout the whole Arctic in 2015/2016 using in situ data and quantitatively analyses the factors contributing to this accelerat...
Characterization of sea ice and its snow cover in the Arctic Pacific sector during the summer of 2016
Qing Ji, Ying Liu, Xiaoping Pang, Yue Pan, Xi Zhao
2021, 40(1): 33-42. doi: 10.1007/s13131-021-1716-3
Abstract:
A comprehensive analysis of sea ice and its snow cover during the summer in the Arctic Pacific sector was conducted using the observations recorded during the 7th Chinese National Arctic Research Expedition (CHIANRE-2016) and the satellite-derived pa...
Cross-calibration of brightness temperature obtained by FY-3B/MWRI using Aqua/AMSR-E data for snow depth retrieval in the Arctic
Haihua Chen, Lele Li, Lei Guan
2021, 40(1): 43-53. doi: 10.1007/s13131-021-1717-2
Abstract:
This study cross-calibrated the brightness temperatures observed in the Arctic by using the FY-3B/MWRI L1 and the Aqua/AMSR-E L2A. The monthly parameters of the cross-calibration were determined and evaluated using robust linear regression. The snow ...
Physical Oceanography, Marine Meteorology and Marine Physics
Theoretical analysis of equatorial near-inertial solitary waves under complete Coriolis parameters
Ruigang Zhang, Liangui Yang
2021, 40(1): 54-61. doi: 10.1007/s13131-020-1699-5
Abstract:
An investigation of equatorial near-inertial wave dynamics under complete Coriolis parameters is performed in this paper. Starting from the basic model equations of oceanic motions, a Korteweg de Vries equation is derived to simulate the evolution of...
A forecasting model for wave heights based on a long short-term memory neural network
Song Gao, Juan Huang, Yaru Li, Guiyan Liu, Fan Bi, Zhipeng Bai
2021, 40(1): 62-69. doi: 10.1007/s13131-020-1680-3
Abstract:
To explore new operational forecasting methods of waves, a forecasting model for wave heights at three stations in the Bohai Sea has been developed. This model is based on long short-term memory (LSTM) neural network with sea surface wind and wave he...
Observational study of super typhoon Meranti (2016) using satellite, surface drifter, Argo float and reanalysis data
Hui Chen, Shuang Li, Hailun He, Jinbao Song, Zheng Ling, Anzhou Cao, Zhongshui Zou, Wenli Qiao
2021, 40(1): 70-84. doi: 10.1007/s13131-021-1702-9
Abstract:
The present work describes the basic features of super typhoon Meranti (2016) by multiple data sources. We mainly focus on the upper ocean response to Meranti using multiplatform satellites, in situ surface drifter and Argo floats, and compare the re...
An evaluation of the Arctic clouds and surface radiative fluxes in CMIP6 models
Jianfen Wei, Zhaomin Wang, Mingyi Gu, Jing-Jia Luo, Yunhe Wang
2021, 40(1): 85-102. doi: 10.1007/s13131-021-1705-6
Abstract:
To assess the performances of state-of-the-art global climate models on simulating the Arctic clouds and surface radiation balance, the 2001–2014 Arctic Basin surface radiation budget, clouds, and the cloud radiative effects (CREs) in 22 coupled mode...
Response of the upper ocean to tropical cyclone in the Northwest Pacific observed by gliders during fall 2018
Zekai Ni, Jiancheng Yu, Xuekun Shang, Wenming Jin, Yeteng Luo, Philip A Vetter, Huichang Jiang, Liu Yu, Sumin Liu, Hongzhou Xu
2021, 40(1): 103-112. doi: 10.1007/s13131-020-1672-3
Abstract:
The evolution of thermohaline structure at the upper ocean during three tropical cyclones (TCs) in the Northwest Pacific was studied in this study based on successive observation by two new-style underwater gliders during fall 2018. These remote-cont...
Variability in upper-ocean salinity stratification in the tropical Pacific Ocean
Wei Duan, Xuhua Cheng, Xiuhua Zhu, Tian Ma
2021, 40(1): 113-125. doi: 10.1007/s13131-020-1597-x
Abstract:
Using a gridded array for real-time geostrophic oceanography (Argo) program float dataset, the features of upper-ocean salinity stratification in the tropical Pacific Ocean are studied. The salinity component of the squared Brunt-Väisälä frequency \b...
Dynamical features of near-inertial motions in global ocean based on the GDP dataset from 2000 to 2019
Manli Guo, Ruiyi Chen, Hongzhou Xu, Philip A Vetter
2021, 40(1): 126-134. doi: 10.1007/s13131-020-1675-0
Abstract:
Based on the latest oceanic surface drifter dataset from the global drifter program during 2000–2019, this study investigated the global variation of relative frequency shift (RFS), near-inertial energy (NIE) and inverse excess bandwidth (IEB) of nea...
Study and application of an improved four-dimensional variational assimilation system based on the physical-space statistical analysis for the South China Sea
Yumin Chen, Jie Xiang, Huadong Du, Sixun Huang, Qingtao Song
2021, 40(1): 135-146. doi: 10.1007/s13131-021-1701-x
Abstract:
The four-dimensional variational assimilation (4D-Var) has been widely used in meteorological and oceanographic data assimilation. This method is usually implemented in the model space, known as primal approach (P4D-Var). Alternatively, physical spac...
Marine Geology
Calculating the sediment flux of the small coastal watersheds: a modification of global equations
Gaocong Li, Qiong Xia, Dongyang Fu, Chunhua Zeng, Zhiqiang Li, Shu Gao
2021, 40(1): 147-154. doi: 10.1007/s13131-020-1615-z
Abstract:
Two kinds of regression equations are used to reproduce the sediment flux of the 26 small coastal watersheds in southeastern China. The first kind is the global equations suggested by Milliman and Syvitski (1992), Mulder and Syvitski (1996), Syvitski...
Observations of contrasted glacial-interglacial dissolution of foraminifera above the lysocline in the Bay of Bengal, northeastern Indian Ocean
Duo Wang, Xuan Ding, Franck Bassinot
2021, 40(1): 155-161. doi: 10.1007/s13131-021-1821-3
Abstract:
Site U1446 (19°50’N, 85°44’E, at water depth 1 430 m) was drilled during Expedition 353 (Indian monsoon rainfall) of the International Ocean Discovery Program (IODP). It is located in the Mahanadi offshore basin, on the northern Bay of Bengal. Sedime...
Ocean Engineering
Alteration of estuarine circulation pattern due to channel modification in the North Passage of the Changjiang River Estuary
Lei Zhu, Xiaodong Chen, Zhimo Wu
2021, 40(1): 162-172. doi: 10.1007/s13131-020-1674-1
Abstract:
The exchange flow structure was examined in the North Passage of Changjiang River Estuary, where a deep waterway project (DWP) was carried out to improve the navigability. Before the construction of the DWP, the friction effect played a significant r...