Amina Okafor


  • A sea-ice pixel is not a habitat map

    A sea-ice pixel is not a habitat map

    Identical ice concentrations can conceal different floes, openings, and feeding opportunities. Habitat interpretation needs geometry, seabed context, compatible dates, and evidence of what animals actually use.

    Read

  • The warmth beneath the Arctic surface

    The warmth beneath the Arctic surface

    Atlantic-origin warmth can sit below cold surface water. Density layers, currents, and mixing determine when stored ocean heat becomes heat delivered to sea ice.

    Read

  • The bloom can begin before open water

    The bloom can begin before open water

    Under-ice blooms complicate the seasonal calendar. Light transmission, nutrients, consumer timing, and satellite blind spots explain why open water is not the food web’s starting gun.

    Read

  • Measuring a glacier in footsteps

    Measuring a glacier in footsteps

    Ablation stakes, mass balance, the 2025 Greenland result, and the patient work of repeated measurement.

    Read