Chun Zhou

Chun Zhou
Ocean University of China | OUC · Key Laboratory of Physical Oceanography

PhD

About

39
Publications
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510
Citations

Publications

Publications (39)
Article
AbstractThe Luzon Strait, with its deepest sills at the Bashi Channel and Luzon Trough, is the only deep connection between the Pacific and South China Sea (SCS). To investigate the deep water overflow through the Luzon Strait, 3.5 years of continuous mooring observations have been conducted in the deep Bashi Channel and Luzon Trough. For the first...
Article
water circulation in the Luzon Strait, which connects the Pacific deep circulation with the South China Sea throughflow, is investigated using a set of oceanographic observations combined with results from three numerical experiments. Both the in situ observations and the model show a deep water overflow in the Luzon Strait. Their results suggest t...
Article
Near-inertial waves (NIWs) trapped in a propagating anticyclonic eddy (AE) are investigated along the eddy path at three areas spanning 660 km by using two mooring arrays and a cruise transect. In the upstream area, the reconstructed three-dimensional structure reveals that NIWs are concentrated within the eddy core with wave current amplitudes exc...
Article
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Hadal ocean biosphere, that is, the deepest part of the world's oceans, harbors a unique microbial community, suggesting a potential uncovered co-occurring virioplankton assemblage. Herein, we reveal the unique virioplankton assemblages of the Challenger Deep, comprising 95,813 non-redundant viral contigs from the surface to the hadal zone. Almost...
Article
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Plain Language Summary Water‐mass transports in the vast and seemingly quiescent abyssal ocean, basically along topographically‐guided pathways, play a pivotal role in the Earth's climate. In the North Pacific, the knowledge on the Yap‐Mariana Junction (YMJ), an exclusive choke point through which the Lower Circumpolar Deep Water (LCDW), the abyssa...
Article
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Intraseasonal fluctuation with periods of ∼90 days in the South China Sea (SCS) basin is investigated based on an array of 7 subsurface moorings. In the deep layer, the 90-day fluctuation is revealed to contribute significantly to the variability in the current, accounting for ∼69% of the subinertial variance. This fluctuation propagates westward a...
Article
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A train of subsurface mesoscale eddies (SMEs) consisting of two cyclones and two anticyclones was observed in the northeastern South China Sea (NESCS) in 2015 by a mooring array. In contrast to the widely reported surface-intensified eddies, the SMEs had weak surface signals but showed maximum velocity at ∼370 m with a magnitude of 17.2 cm s ⁻¹ . T...
Article
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Turbulent mixing above rough topography is crucial for the vertical motions of deep water and the closure of the meridional overturning circulation. Related to prominent topographic features, turbulent mixing not only exhibits a bottom-intensified vertical structure but also displays substantial lateral variation. How turbulent mixing varies in the...
Article
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The temporal variability of internal solitary waves (ISWs) in the northern South China Sea (SCS) is examined from hourly to interannual timescales based on nearly four-year-long measurements from the SCS Mooring Array between August 2010 and June 2014. On an hourly timescale, large ISWs tend to occur at the moorings around certain hours due to the...
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The complex behaviors of internal solitary waves (ISWs) in the Andaman Sea were revealed using data collected over nearly 22-month-long observation period completed by two moorings. Emanating from the submarine ridges northwest of Sumatra Island and south of Car Nicobar, two types of ISWs, referred to as S- and C-ISWs, respectively, were identified...
Article
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Plain Language Summary Steric height (SH) is a key component of sea surface height (SSH) that arises from multiscale processes such as mesoscales, submesoscales, and internal gravity waves (IGWs). A quantitative understanding on constituents of SH is a prerequisite to explore ocean dynamics using satellite‐derived SSH data. Based on moored temperat...
Article
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Water‐mass properties and circulation in the deep and abyssal Philippine Sea are investigated using repeatedly occupied full‐depth hydrographic data. The abyssal water‐mass, the Lower Circumpolar Deep Water (LCDW), is captured. After crossing the Yap Mariana Junction, the LCDW spreads to the Parece Vela Basin, the southern part of the Shikoku Basin...
Article
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Changes in the Atlantic Meridional Overturning Circulation, which have the potential to drive societally-important climate impacts, have traditionally been linked to the strength of deep water formation in the subpolar North Atlantic. Yet there is neither clear observational evidence nor agreement among models about how changes in deep water format...
Article
Shallow water response and feedback to tropical cyclones (TCs; known as typhoons in the northwest Pacific) play an important role in modulating TCs' landfall intensity. In the 2019 Pacific typhoon season, four TCs, i.e., Danas in July, Lekima in August, Lingling in September and Mitag in October, traversed and influenced the vast shallow waters of...
Article
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Although observational efforts have been made to detect submesoscale currents (submesoscales) in regions with deep-mixed layers and/or strong mesoscale kinetic energy (KE), there have been no long-term submesoscale observations in subtropical gyres, which are characterized by moderate values of both mixed-layer depths and mesoscale KE. In order to...
Preprint
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Background: The hadal ocean biosphere, i.e the deepest part of the world’s oceans, harbors a unique community of cellular microbes, implying that there is also a novel assemblage of co-occurring viruses. However, the diversity and lifestyle of viroplanktons in hadal zone is poorly studied. Results: Herein, we show the unique nature of the Mariana T...
Article
In this study, deep circulation in the South China Sea (SCS) is investigated using results from mesoscale-eddy-resolving, regional simulations using the Hybrid Coordinate Ocean Model (HYCOM) verified by continuous current-meter observations. Analysis of these results provides a detailed spatial structure and temporal variability of the deep circula...
Article
The Mariana Trench in the western North Pacific (NP) contains the deepest (11,000 m) point in the ocean and thus remains the least explored environment. Carbon cycling in the deep Mariana Trench is largely unknown and remains a curious mystery. Here, we report radiocarbon (Δ¹⁴C) and stable carbon isotope (δ¹³C) compositions of dissolved inorganic a...
Article
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Based on long-term mooring-array and satellite observations, three-dimensional structure and interannual variability of the Kuroshio Loop Current (KLC) in the northeastern South China Sea (SCS) were investigated. The 3-year moored data between 2014–2017 revealed that the KLC mainly occurred in winter and it exhibited significant interannual variabi...
Article
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The intensity of deep‐ocean mixing critically shapes the global overturning circulation, but the energy cascade participating in the elevated mixing above rough topography remains poorly understood. Using 350‐day moored observations, the energy cascade triggered by eddy‐topography interactions is for the first time revealed in the deep South China...
Article
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Subtidal motions, such as large-scale circulations and mesoscale eddies, frequently occupy on the propagation path of internal waves in the ocean. Through solving a modified Taylor–Goldstein equation with subtidal currents, density stratification, and the earth rotation, this study investigates the impacts of subtidal motions and the earth rotation...
Article
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Phytoplankton are the basis of primary production and play important roles in regulating energy export in marine ecosystems. Compared to other regions, chromophytic phytoplankton are considerably understudied in the Bay of Bengal (BOB). Here, we investigated community structure and spatial distribution of chromophytic phytoplankton in the BOB by us...
Article
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The South China Sea (SCS) is the largest marginal sea in the northwest Pacific Ocean. In this study, deep circulation in the SCS is investigated using results from eddy-resolving, regional simulations using the Hybrid Coordinate Ocean Model (HYCOM) verified by continuous current-meter observations. Analysis of these results provides a detailed spat...
Article
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Diapycnal mixing plays an important role in modulating upper-ocean heat content of the western equatorial Pacific (WEP) that profoundly impacts the global climate. Given the sparsity of long-term in situ observations, the mechanism driving thermocline mixing in the WEP remains poorly understood. Here, based on year-long mooring measurements in the...
Article
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The deep water overflow at three gaps in the Heng-Chun Ridge of the Luzon Strait is investigated based on long-term continuous mooring observations. For the first time, these observations enable us to assess the detailed structure and variability in the deep water overflow directly spilling into the South China Sea (SCS). The strong bottom-intensif...
Article
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Abstract One-year time series of current velocities and hydrographic parameters based on four deep moorings deployed east of the Luzon Strait are employed to study the deep current at the western boundary (DCWB) of the northern Philippine Basin. While the mean current is relatively weak, the DCWB is highly variable on an intraseasonal time scale, w...
Article
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The role of mesoscale eddies in modulating the semidiurnal internal tide (SIT) in the northern South China Sea (SCS) is examined using the data from a cross-shaped mooring array. From November 2013 to January 2014, an anticyclonic eddy (AE) and cyclonic eddy (CE) pair crossed the westward SIT beam originating in Luzon Strait. Observations showed th...
Article
The Iceland Basin has the most energetic eddy activities in the subpolar North Atlantic. This study documents the structure for an anticyclonic eddy in the Iceland Basin using high-resolution hydrographic and velocity observations. The eddy core waters have lens-like structure with warm and salty features in the upper 1,000 m. The eddy distorts the...
Article
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Spatiotemporal variations in internal solitary wave (ISW) polarity over the continental shelf of the northern South China Sea (SCS) were examined based on mooring-array observations from October 2013 to June 2014. Depression ISWs were observed at the easternmost mooring, where the water depth is 323 m. Then, they evolved into elevation ISWs at the...
Article
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Deep western boundary current (DWBC) was observed for the first time by an array of 6 current meter moorings southeast of the Zhongsha Islands in the South China Sea (SCS) deep basin during the period from August 2012 to January 2014. In the mean, the DWBC in the SCS flows southwestward with core velocity of 2.0 cm/s and a volume transport of 1.65...
Article
Full-text available
With characteristics of large amplitude and strong current, internal solitary wave (ISW) is a major hazard to marine engineering and submarine navigation; it also has significant impacts on marine ecosystems and fishery activity. Among the world oceans, ISWs are particular active in the northern South China Sea (SCS). In this spirit, the SCS Intern...
Article
Three moorings equipped with 10 current meters and 7 CTDs were deployed in the Bashi Channel, the main deep connection between the northwestern Pacific Ocean and the South China Sea, from August 2010 to April 2011 to investigate the deepwater overflow of the North Pacific Deep Water through it. Results from these observations provide, for the first...
Article
Using four databases WOD09, WOA05, WOA01 and SODA, we calculated the deep water volume transport on the basis of the hydraulic theory with the potential density distribution. Ignoring friction and complex bathymetry, the result of hydraulic theory was the upper limit of the actual deep water volume transport. Both different databases and different...

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Project (1)
Project
internal wave energy transfer