Phytoplankton In Mid-Atlantic Visible From Space

June 3, 2022 | 0 Comments

Phytoplankton in the ocean “can blossom to scales that are visible from space for days to weeks” which occurred last month, with a patch in Mid-Atlantic visible from space last month.

The NASA Earth Observatory website said, “Phytoplankton grow constantly and just about anywhere there are open, sunlit patches of ocean. When conditions are right, the growth of these microscopic cells can blossom to scales that are visible from space for days to weeks. That happened off the Mid-Atlantic coast of the United States in mid-May 2022.

“Phytoplankton are to the ocean what grasses and ground cover are to land: primary producers, a basic food source for other life, and the main carbon recycler for the marine environment. Diatoms, coccolithophores, algae, and other forms of phytoplankton are floating, plant-like organisms that soak up sunshine, sponge up nutrients, and create their own food [energy].

Phytoplankton bloom May 2022

“On May 17, 2022, the Visible Infrared Imaging Radiometer Suite [VIIRS] on the NOAA-20 satellite acquired a natural-color image [above] of a springtime phytoplankton bloom off the coast of New Jersey, Delaware, Maryland, Virginia, and North Carolina.

“Satellite estimates of chlorophyll-a [the sunlight-capturing pigment in phytoplankton] from the same day indicate substantial activity offshore. A similar bloom occurred in the same week in 2021.

“The 2022 bloom may have been provoked by coastal upwelling, a process by which persistent winds blow surface waters away from the coast, causing cooler, nutrient-rich waters to flow up from the depths. Persistent westerly or southwesterly breezes can lead to upwelling along the Mid-Atlantic coast.

Sea Surface Temperature Anomaly May 2022

“The map above shows sea surface temperature anomalies for May 19, 2022, across the northwest Atlantic Ocean. It depicts how much the surface layer was above or below the long-term average temperature for this time of year.

“The data come from the Multiscale Ultrahigh Resolution Sea Surface Temperature [MUR SST] project, based at NASA’s Jet Propulsion Laboratory. MUR SST blends measurements of sea surface temperatures from multiple NASA, NOAA, and international satellites, as well as ship and buoy observations.

“Note the patch of cooler water close to the coast—a sign that upwelling and several recent heavy rainstorms have cooled the surface waters. Farther offshore, bright red blobs are likely water masses associated with the Gulf Stream.”

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