Jianping Gan
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View article: Shellfish Aquaculture Complements Nutrient Reduction in Mitigating Climate-Exacerbated Coastal Hypoxia
Shellfish Aquaculture Complements Nutrient Reduction in Mitigating Climate-Exacerbated Coastal Hypoxia Open
Coastal hypoxia, driven by human-induced nutrient enrichment and global warming, significantly threatens marine ecosystems. While cutting land-derived nutrient sources has been proposed as the key solution, its effectiveness may be undermi…
View article: A well-balanced gas-kinetic scheme with adaptive mesh refinement for shallow water equations
A well-balanced gas-kinetic scheme with adaptive mesh refinement for shallow water equations Open
This paper presents the development of a well-balanced gas-kinetic scheme (GKS) with space-time adaptive mesh refinement (STAMR) for the shallow water equations (SWE). While well-balanced GKS have been established on Cartesian and triangul…
View article: AI-powered spatiotemporal imputation and prediction of chlorophyll-a concentration in coastal ecosystems
AI-powered spatiotemporal imputation and prediction of chlorophyll-a concentration in coastal ecosystems Open
Predicting spatiotemporal Chlorophyll-a (Chl_a) distributions is essential for diagnosing and analysing productivity and ecosystem health of coastal oceans. Yet, current tools remain inadequate for prognosing marine ecosystems through pred…
View article: Impacts of Indo‐Pacific Sea Surface Temperature Versus Internal Atmospheric Variability on the South China Sea Summer Monsoon
Impacts of Indo‐Pacific Sea Surface Temperature Versus Internal Atmospheric Variability on the South China Sea Summer Monsoon Open
The South China Sea (SCS) summer (i.e., June–August [JJA]) monsoon experiences strong interannual variability, which is modulated by the western North Pacific subtropical high (WNPSH). Large‐scale steady‐state atmospheric circulations link…
View article: On spectral nudging and dynamics to improve representation of marine cloud and precipitation over the China sea in summer
On spectral nudging and dynamics to improve representation of marine cloud and precipitation over the China sea in summer Open
This study investigates the influence of spectral nudging (SN) on the accuracy of precipitation and marine cloud simulations over the China Sea during the summer monsoon using the Weather Research and Forecasting (WRF) model. Through sensi…
View article: OceanVive: An Immersive Visualization System for Communicating Complex Oceanic Phenomena
OceanVive: An Immersive Visualization System for Communicating Complex Oceanic Phenomena Open
Communicating the complexity of oceanic phenomena-such as hypoxia and acidification-poses a persistent challenge for marine science. Despite advances in sensing technologies and computational models, conventional formats like static visual…
View article: Uncovering the forcing statistics in stochastic linear models for compressible wall-bounded turbulence
Uncovering the forcing statistics in stochastic linear models for compressible wall-bounded turbulence Open
Modelling the nonlinear forcing is critical for linear models based on resolvent or input–output analyses. For compressible wall-bounded turbulence, little is known on what the real forcing looks like due to limited data, so the prediction…
View article: Dynamic Adjustment of Upwelling Circulation to Conservative Wave Effects over a Steep Shelf
Dynamic Adjustment of Upwelling Circulation to Conservative Wave Effects over a Steep Shelf Open
We investigated conservative wave effects on the dynamic adjustment of upwelling circulation and found that waves reduce the along-isobath transport in the upwelling circulation, leading to reductions in vertical shear stress and subsequen…
View article: Carbonate weathering enhances nitrogen assimilatory uptake in rivers globally
Carbonate weathering enhances nitrogen assimilatory uptake in rivers globally Open
Bedrock composition, in particular the proportion of carbonate, can influence the dissolved inorganic carbon concentration and also the carbonate chemistry of rivers, but its effects on the nitrogen cycle in rivers are usually overlooked. …
View article: Mean temperature–velocity relation and a new temperature wall model for compressible laminar and turbulent flows
Mean temperature–velocity relation and a new temperature wall model for compressible laminar and turbulent flows Open
The well-known quadratic temperature–velocity (TV) relation is significant for physical understanding and modelling of compressible wall-bounded turbulence. Meanwhile, there is an increasing interest in employing the TV relation for lamina…
View article: Nutrient fluxes and speciation shaped by source-hydrology coupling in the Pearl River Basin
Nutrient fluxes and speciation shaped by source-hydrology coupling in the Pearl River Basin Open
Nutrient fluxes exhibit significant spatiotemporal heterogeneity, driven by the dynamic coupling of hydrological processes and biogeochemical cycles. To elucidate the mechanisms controlling nutrient species, we conducted a process-based in…
View article: Three-dimensional characteristic and variability of the current system in the western Pacific
Three-dimensional characteristic and variability of the current system in the western Pacific Open
The ocean circulation system in the Western Pacific consists of western boundary currents (WBCs, Kuroshio Current, Mindanao Current, Ryuku Current) and connected with North Equatorial Current (NEC). The system is one of the most complicate…
View article: AI-powered spatiotemporal imputation and prediction of chlorophyll-a concentration in coastal ecosystems
AI-powered spatiotemporal imputation and prediction of chlorophyll-a concentration in coastal ecosystems Open
Predicting spatiotemporal Chlorophyll-a (Chl_a) distributions is essential for diagnosing and analyzing productivity and ecosystem health of coastal oceans. Yet, current tools remain inadequate for diagnosing and prognosing marine ecosyste…
View article: Dynamics of Kuroshio separation and associated eddy formation and instability off southern Japan
Dynamics of Kuroshio separation and associated eddy formation and instability off southern Japan Open
The Kuroshio is well-known for its variability south of Japan, where it often meanders and forms stable eddies near the coast. In this study, we investigate the relevant process and physical mechanism using a well-validated high-resolution…
View article: Spatiotemporal dynamics of future hydrology in the Pearl River Basin: Controls of climate change and land surface
Spatiotemporal dynamics of future hydrology in the Pearl River Basin: Controls of climate change and land surface Open
Study region: The Pearl River Basin in China. Study focus: The hydrological cycle is anticipated to undergo systematic alterations due to climate change, impacting future water resources and ecosystem functions. Driven by an optimized subs…
View article: Improving tropical cyclone rapid intensification forecasts with satellite measurements of sea surface salinity and calibrated machine learning
Improving tropical cyclone rapid intensification forecasts with satellite measurements of sea surface salinity and calibrated machine learning Open
Forecasting rapid intensification (RI) of tropical cyclones (TC) is a mission known for large errors. One under-researched factor that affects TC intensification is salinity, which is important for density stratification in certain ocean r…
View article: Research on the Current Situation of Female Higher Education
Research on the Current Situation of Female Higher Education Open
With the development of science and technology, more and more people enter the artificial intelligence industry for development and research. However, the proportion of women in researchers is not high, and the relevant artificial intellig…
View article: Parameterization of the Vertical Mixing for the Luzon Undercurrent in the Northern Western Pacific Ocean
Parameterization of the Vertical Mixing for the Luzon Undercurrent in the Northern Western Pacific Ocean Open
The Luzon Undercurrent (LUC) is one of the most significant western boundary undercurrents in the northern western Pacific Ocean (WPO), essential for subsurface water transport and connecting subtropical–equatorial circulations. Over the l…
View article: Pacific Ocean–originated anthropogenic carbon and its long-term variations in the South China Sea
Pacific Ocean–originated anthropogenic carbon and its long-term variations in the South China Sea Open
Coastal oceans, traditionally seen as a conduit for transporting atmospheric carbon dioxide (CO 2 )–derived anthropogenic carbon (C ANT ) to open oceans, exhibit complex carbon exchanges at their interface. South China Sea (SCS) exemplifie…
View article: An improved Baldwin–Lomax algebraic wall model for high-speed canonical turbulent boundary layers using established scalings
An improved Baldwin–Lomax algebraic wall model for high-speed canonical turbulent boundary layers using established scalings Open
In this work, we employ well-established relations for compressible turbulent mean flows, including the velocity transformation and algebraic temperature–velocity (TV) relation, to systematically improve the algebraic Baldwin–Lomax (BL) wa…
View article: Spatiotemporal variability of streamflow in the <scp>Pearl River Basin</scp>: Controls of land surface processes and atmospheric impacts
Spatiotemporal variability of streamflow in the <span>Pearl River Basin</span>: Controls of land surface processes and atmospheric impacts Open
To advance understanding of the spatiotemporal variability of the streamflow in the Pearl River Basin (PRB), we used the Soil and Water Assessment Tool model to simulate the water fluxes from 2010 to 2020 and to identify the underlying con…
View article: Sediment oxygen uptake and hypoxia: a simple mass-balance model for estuaries and coastal oceans
Sediment oxygen uptake and hypoxia: a simple mass-balance model for estuaries and coastal oceans Open
Hypoxia is increasing in coastal oceans. This is because eutrophication has increased oxygen consumption, while less oxygen is replenished to the bottom under stronger stratification. Quantifying these biogeochemical and physical drivers i…
View article: Carbonate Weathering Enhances Nitrogen Assimilatory Uptake in River Networks
Carbonate Weathering Enhances Nitrogen Assimilatory Uptake in River Networks Open
Geological processes such as carbonate and silicate weathering can alter the riverine dissolved inorganic carbon (DIC) concentration and subsequently modify the carbonate chemistry. However, their effects on aquatic nitrogen cycles are usu…
View article: Long‐Term Decreasing of Sea Level Along Latitude of the Luzon Strait During 1993–2020: Surface Versus Subsurface Perspectives
Long‐Term Decreasing of Sea Level Along Latitude of the Luzon Strait During 1993–2020: Surface Versus Subsurface Perspectives Open
The sea level in the east of Luzon Strait along the latitudinal band (18°–22°N, 125°–170°E) demonstrates a unique decreasing trend during 1993–2020, with weakening of eddy kinetic energy (EKE), weaker Kuroshio transport and stronger loopin…
View article: Coherent Interannual–Decadal Potential Temperature Variability in the Tropical–North Pacific Ocean and Deep South China Sea
Coherent Interannual–Decadal Potential Temperature Variability in the Tropical–North Pacific Ocean and Deep South China Sea Open
Climate variability over the Tropical and North Pacific Ocean (TPO and NPO, respectively) modulates marginal sea variability. The South China Sea (SCS), the largest marginal sea in the western NPO, is an outstanding example of a region tha…
View article: Study of the linear models in estimating coherent velocity and temperature structures for compressible turbulent channel flows
Study of the linear models in estimating coherent velocity and temperature structures for compressible turbulent channel flows Open
Linear models, based on stochastically forced linearized equations, are deployed for spectral linear stochastic estimation (SLSE) of the velocity and temperature fluctuations in compressible turbulent channel flows with a bulk Mach number …
View article: Variability in coastal downwelling circulation in response to high-resolution regional atmospheric forcing off the Pearl River estuary
Variability in coastal downwelling circulation in response to high-resolution regional atmospheric forcing off the Pearl River estuary Open
We investigated the variabilities in coastal circulation and dynamics in response to spatiotemporally variable high-resolution atmospheric forcing off the Pearl River estuary during the downwelling wind. Our investigation focused on the dy…