Satellite Chlorophyll a Data from the 2019 Gulf of Alaska International Year of the Salmon Expedition

Satellite Chlorophyll-a Data collected using imagery from Sentinel-3 (300 m spatial resolution) and VIIRS and MODIS-Aqua (1 km resolution) to derive chlorophyll concentration and phytoplankton groups. This data was collected as part of the International Year of the Salmon (IYS) Gulf of Alaska High Seas Expedition conducted in February and March 2019, to further improve the understanding of factors impacting salmon early marine winter survival.