Sea Surface Temperature

NOAA ERSSTv5 · real yearly grids, 1900-2025 · timeline

Sea Level Rise

NOAA tide gauges · real, 510 stations, 1900-2025 · timeline

Sea Ice Concentration

NOAA/NSIDC (G02202 v6) · real, September 1979-2025 · timeline

Ocean Acidity (pH)

GLODAPv2 climatology (Lauvset et al. 2016) · real, exact grid values

Sea Surface Salinity

GLODAPv2 climatology (Lauvset et al. 2016) · real, exact grid values

Marine Protected Areas

24 major MPAs · 10 real traced boundaries (OSM) · Protected Planet/WDPA

Coral Reef Extent

130 real coral occurrence records · GBIF

Kelp & Algae Forests

130 real kelp occurrence records · GBIF

Mangroves

130 real mangrove occurrence records · GBIF

Salt Marshes

130 real salt marsh occurrence records · GBIF

Tidal Flats

130 real tidal flat occurrence records · GBIF

Birds

120 real GBIF records · 30 at-risk species

Reptiles

110 real GBIF records · 11 at-risk species

Mammals

121 real GBIF records · 31 at-risk species

Live Vessel Positions

Real-time AIS · Digitraffic (Baltic & Nordic waters)

Major Trade Corridors

6 real global routes · reference only