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Open research questions in Oceanographic and Atmospheric Processes

254 unresolved questions extracted from the limitations and future-work sections of 998 Oceanographic and Atmospheric Processes papers in our library. Each links back to the study that raised it.

What the literature leaves open

  • The significant differences in reconstruction quality across subregions. The impact of the spatial layout of sampling paths on reconstruction performance. The need for a comprehensive characterization of the 3D vertical structure of mesoscale eddies.

    Configuration optimization of underwater glider observation array for reconstruction of Mesoscale Eddy 3D structure · 2026 · DOI

  • the analysis assumes a uniform configuration with equal intercept (angles), - the results are based on a synthesized anticyclonic eddy field in the northern South China Sea, - the field experiment was conducted in a limited area

    Configuration optimization of underwater glider observation array for reconstruction of Mesoscale Eddy 3D structure · 2026 · DOI

  • The complexity of coastal regions and the need for local in situ monitoring. The challenge of analyzing and interpreting large datasets of coastal water temperature. The importance of accounting for seasonality and serial correlation in time series analysis.

    Seasonality and trends in coastal water temperature from NOAA water level monitoring stations along US coasts · 2026 · DOI

  • further analysis of the dataset to identify patterns and trends, - comparison of the dataset with other coastal water temperature datasets, - investigation of the relationship between coastal water temperature and other environmental factors

    Seasonality and trends in coastal water temperature from NOAA water level monitoring stations along US coasts · 2026 · DOI

  • further analysis of the processes driving the variability of phenoregions, - examination of the impacts of climate change on the biogeochemical regimes in the SWIO

    A Phenoregion Approach to Understanding Chlorophyll‐a Seasonal Cycles and Interannual Variability in the South‐West Indian Ocean · 2026 · DOI

  • limited oceanographic sampling in the deep basins of temperate fjords - difficulty in estimating vertical diffusivities in fjords - challenge of hindcasting properties in the fjord over a long period

    Characteristics and Drivers of Deep Water Properties in a Temperate Fjord in Aotearoa/New Zealand · 2026 · DOI

  • Limited oceanographic sampling in the deep basins over the past five decades. Observations used to evaluate the hindcast did not always reach the bottom of the basins. The model solves a modified version of the 1-D diffusion equation, which may not capture all the complexities of the system.

    Characteristics and Drivers of Deep Water Properties in a Temperate Fjord in Aotearoa/New Zealand · 2026 · DOI

  • Although submesoscale baroclinic instability is known to inject energy near the surface and fuel an inverse energy cascade toward mesoscale eddies, the vertical pathway through which this energy is redistributed remains poorly understood.

    Scale-dependent budget and vertical pathway of kinetic energy in the Northwest Pacific · 2026 · DOI

  • While previous studies have recognized the importance of mesoscale dynamics, a quantitative assessment of the role of mesoscale eddies in poleward heat transport is lacking.

    Oceanic Heat Transport Along the Norwegian Atlantic Slope Current and the Role of Eddies · 2026 · DOI

  • Yet, our understanding of how this response under various precyclone sea conditions is still lacking.

    The Response of the Physical and Biogeochemical Marine Environment to the Passage of Mediterranean Cyclones in the Presence of Eddies, Gyres, and Marine Heat Wave · 2026 · DOI

  • Abstract The turbulent energy cascade of ocean mixing remains poorly understood at geophysically large Reynolds numbers ().

    The Structure and Lifecycle of Stratified Mixing by Shear Instabilities in Continuously Forced Flows · 2026 · DOI

  • The results of this study may serve as a foundation for further research on the ecological effects caused by enhanced WBCs of the SCS.

    Intensified Western Boundary Currents in South China Sea Under Global Warming · 2026 · DOI

  • However, due to limited observations and coarse model resolution, changes in these currents on centennial timescales remain unclear.

    Intensified Western Boundary Currents in South China Sea Under Global Warming · 2026 · DOI

  • Regional biological productivity, however, is limited by a lack of necessary micronutrients such as iron.

    Eddy‐Induced Iron Transport Sustains the Biological Productivity in the Gulf of Alaska · 2026 · DOI

  • However, the influence of boundary currents on estuarine dynamics is underexplored, and a mechanistic framework for the interaction remains underdeveloped.

    The Annual Modulation of Subtidal Estuarine Dynamics by the Gulf Stream · 2026 · DOI

  • Our experiments indicate that a 2 km horizontal resolution effectively captures cross‐scale interactions at the strait, while a 6 km resolution is insufficient.

    Sensitivity of Dynamical Downscaling in the Northern Adriatic Sea · 2026 · DOI

  • Abstract The Pacific South Equatorial Countercurrent (SECC) is a crucial but poorly characterized component of the equatorial current system.

    Seasonal and Interannual Variability of the Pacific South Equatorial Countercurrent Based on Argo Profiles · 2026 · DOI

  • Abstract While the variability of the North Pacific Subtropical Countercurrent has been widely studied, its counterpart, the North Atlantic Subtropical Countercurrent, remains poorly understood.

    The North Atlantic Subtropical Front and Countercurrent: Role of Mode Water in Their Seasonal Variability and Decadal Changes Forced by NAO · 2026 · DOI

  • However, the contributions from various atmospheric and hydrologic forcings had not yet been quantified in a physical model.

    Forcing of Subannual‐to‐Decadal Sea Level Variability and the Recent Rapid Rise Along the U.S. Gulf Coast · 2026 · DOI

  • Abstract The standing meanders of the Antarctic Circumpolar Current are key sites of mixing and meridional transport in the Southern Ocean, but their long‐term variability and trends remain poorly understood.

    Standing Meanders of the Antarctic Circumpolar Current: Evidence for Ridge‐Controlled Eddy Saturation · 2026 · DOI

  • Abstract The Kuroshio‐Oyashio Extension (KOE) region has experienced increasingly frequent extensive summer marine heatwaves (MHWs), yet the governing physical mechanisms remain unclear, particularly regarding the role of mixed layer depth (MLD).

    The Role of Mixed Layer Depth in Summer Extensive Marine Heatwaves in the Kuroshio‐Oyashio Extension Region · 2026 · DOI

  • However, the influence of tropical cyclones (TCs) on the dynamics of two types of the waves across varying topographies remains poorly understood.

    Low‐Frequency Ocean Waves Triggered by Tropical Cyclones via Seafloor Distributed Acoustic Sensing · 2026 · DOI

  • Abstract Lateral stirring is a key process shaping the physical and biogeochemical state of the ocean, yet it remains under‐sampled and poorly understood, particularly at submesoscales (1–80 km).

    Two Lateral Stirring Regimes in the Northeast Pacific · 2026 · DOI

  • Large‐scale temporal changes in the temperature field are also seen, marked by shifts in water mass circulation and temperature range, though the driving mechanisms remain uncertain.

    Two Lateral Stirring Regimes in the Northeast Pacific · 2026 · DOI

  • Equatorward semidiurnal fluxes are spatially intermittent and limited to a few topographic features, including the Macquarie Ridge and mid‐ocean ridges.

    Estimating Meridional Energy Fluxes by Internal Waves in the Southern Ocean Using a High‐Resolution Simulation · 2026 · DOI

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254 open questions have been extracted from the limitations and future-work passages of 998 Oceanographic and Atmospheric Processes papers in our library. Each one below links back to the study that raised it, so you can read the original claim in context.

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