Global Bathymetry & Seafloor Topography v4.2
Verified

High-resolution digital elevation model of the global seafloor, integrating multibeam echosounder data, satellite altimetry, and geological surveys. Ideal for tectonic, hydrothermal, and habitat mapping.

Resolution 15 arc-sec (~0.5km)
Coverage 360°E to 180°W
Size 142 GB (compressed)
Updated 2025-03-12
Bathymetry DEM Geophysics NetCDF
Surface Ocean Currents & Temperature (1982–2024)
Verified

Daily gridded sea surface temperature (SST) and vector current fields derived from satellite radiometry, drifters, and HF radar. Includes uncertainty estimates and quality flags.

Resolution 0.25° × 0.25°
Coverage Global Oceans
Size 89 TB (time-series)
Updated Every 6 hours
SST Currents Climate NetCDF
Marine Biodiversity & Species Distribution
Beta

Aggregated occurrence records and modeled abundance surfaces for 12,000+ marine taxa. Integrates GBIF, OBIS, and eDNA metabarcoding surveys with environmental niche modeling.

Resolution 10km ESMF grid
Coverage Coastal & Pelagic
Size 31 GB
Updated Quarterly
Biodiversity Ecology Species GeoJSON
Ocean Acidification & pH Trends (1990–2024)
Verified

Longitudinal dataset tracking surface and subsurface pH, DIC, and alkalinity across major ocean basins. Curated from SOCCOM, ARGO-chemical floats, and ship-based CTD rosette campaigns.

Depth 0–2000m profiles
Coverage 87°N to 80°S
Size 18 GB
Updated Monthly
Biogeochemistry pH Carbon Cycle CSV/Parquet
Coastal Erosion & Sea Level Rise Projections
Verified

Multi-scenario projections (SSP1-2.6 to SSP5-8.5) for shoreline retreat, inundation zones, and extreme water levels. Coupled with high-res DEMs and sediment transport models.

Resolution 30m–100m
Coverage Global Coastlines
Size 210 GB
Updated Biannually
Climate Impact Coastal Projections TIFF/COG
Deep-Sea Hydrothermal Vent Mapping
Beta

Catalog of 4,200+ confirmed hydrothermal vent sites with location, depth, chimney morphology, fluid chemistry, and associated microbial community metadata. Updated with ROV/AUV survey data.

Resolution Point/Vector
Coverage Mid-Ocean Ridges
Size 4.2 GB
Updated Annually
Geology Extremophiles Subsea GeoJSON

📄 How to Cite These Datasets

Aevum Encyclopedia. (2025). Oceanographic Datasets Collection [Dataset Version X.Y]. https://aevum.ency/datasets/oceanographic DOI: 10.xxxx/aevum.ocean.v1

All datasets are released under CC BY 4.0. Please include the dataset version, access date, and specific DOI in your publications. For institutional licensing or bulk API access, contact data@aevum.ency.