• Approach

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  • In situ Observations
  • Remote Sensing
  • Instrument Development and Techniques
  • Laboratory Studies
  • Analytic Theory
  • Numerical Models
  • Data Assimilation
  • Operational Oceanography

  • Past topics

  • Acoustics, imaging, sensors, micro-fluidics (2020–2022)
  • Moorings & buoys, ocean observatories, underwater vehicles (2020–2023)

• Properties and processes

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  • Biogeochemistry and nutrient cycles
  • Biological oceanography and marine ecology
  • Mesoscale to submesoscale dynamics
  • Internal waves, turbulence and mixing
  • Overturning circulation, gyres and water masses
  • Climate and modes of variability
  • Sea level, tides, tsunamis and surges
  • Interactions with the atmosphere or cryosphere
  • Sediments and benthic processes
  • Coastal and near-shore processes

  • Past topics

  • Air-sea fluxes (2019–2023)
  • Biogeochemistry (2020–2023)
  • Transports/cycling (nutrients, C, O, etc.) (2019–2023)
  • Plankton (2020–2023)
  • Higher trophic levels (2022–2023)
  • Gyres (2020–2023)
  • Eddies (2020–2023)
  • “Modes of variability” e.g. ENSO (2020–2023)
  • Overturning circulation (2020–2023)
  • Convection (2020–2023)
  • Surface waves (2020–2022)
  • Internal waves (2020–2023)
  • Tsunami and surges (2022–2023)
  • Sub-inertial waves (2021–2023)
  • Sea level (2020–2023)
  • Sediments (2020–2021)
  • Water mass (2019–2023)
  • Tides (2020–2023)
  • Turbulence and mixing (2020–2023)
  • Sea and ice (2020–2023)
  • Sea-bed morphology
  • Water cycle (2020–2023)

• Depth range

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  • Past topics

  • All Depths (2009–2016)
  • Surface (2009–2016)
  • Bottom Boundary Layer (2009–2015)
  • Deep Ocean (2009–2020)
  • Mixed Layer (2009–2020)
  • Thermocline (2009–2016)
  • Shelf-sea depth (2010–2016)
  • Sea bed (2020–2022)
  • Vents/seeps (2021–2022)
  • Surf zone (2021–2022)
  • Deltas (2021–2022)
  • Estuaries (2021–2023)
  • Regions of freshwater influence (2020–2023)

• Geographical range

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  • Past topics

  • All Geographic Regions (2009–2016)
  • Baltic Sea (2009–2016)
  • Caribbean (2009–2016)
  • China Sea (2009–2016)
  • Deep Seas: Arctic Ocean (2009–2016)
  • Deep Seas: Equatorial Ocean (2009–2016)
  • Deep Seas: Indian Ocean (2009–2016)
  • Deep Seas: North Atlantic (2009–2016)
  • Deep Seas: North Pacific (2009–2015)
  • Deep Seas: South Atlantic (2009–2015)
  • Deep Seas: South Pacific (2009–2015)
  • Deep Seas: Southern Ocean (2009–2016)
  • Indonesian Seas (2012–2016)
  • Inland Seas (2009–2015)
  • Japan Sea (2017–2022)
  • Mediterranean Sea (2009–2016)
  • Nordic Seas (2009–2016)
  • Red Sea (2016)
  • Shelf Seas (2009–2016)
  • Antarctic (2021–2023)

• Challenges

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  • Past topics

  • Oceans and climate (2019–2023)
  • Palaeoceanography (2020)
  • Ocean-shelf interactions (2020–2023)
  • Oceanic ecosystems (2020–2023)
  • Ocean-groundwater interaction (2021–2022)
  • Ocean acidification (2020–2023)
  • Harmful algae (2021–2022)
  • Coastal protection (2020–2023)
  • Oceanic pollution (2020–2023)
  • Other (2019–2023)

• Phenomena

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  • Past topics

  • Air-Sea Fluxes (2009–2016)
  • Biological Processes (2009–2016)
  • Biological Tracers (2009–2016)
  • Chemical Processes (2009–2016)
  • Chemical Tracers (2009–2016)
  • Current Field (2009–2016)
  • Internal Waves (2009–2016)
  • Kelvin and Rossby Waves (2010–2015)
  • Sea Ice (2009–2016)
  • Sea Level (2009–2016)
  • Sediment Processes (2011–2016)
  • Surface Waves (2009–2016)
  • Temperature, Salinity and Density Fields (2009–2016)
  • Tides (2010–2016)
  • Turbulence and Mixing (2009–2016)