NASA's latest Earth-observing satellite, the Plankton, Aerosol, Cloud, ocean Ecosystem (PACE), has commenced the public distribution of science-grade data, offering unprecedented insights into ocean health, air quality, and climate dynamics.

Launched on Feb. 8, the PACE satellite has undergone rigorous in-orbit testing to ensure the accuracy and reliability of its observations. With its state-of-the-art instruments, PACE delivers comprehensive measurements crucial for understanding diverse environmental phenomena, from microscopic life in the ocean to atmospheric aerosols and cloud formations.

The satellite's Ocean Color Instrument (OCI), developed at NASA's Goddard Space Flight Center, represents a significant advancement in ocean monitoring capabilities. By detecting over 200 wavelengths of light, PACE can discern specific phytoplankton communities, shedding light on their roles in ecosystems and the carbon cycle. Additionally, PACE's multi-angle polarimeters, HARP2 and SPEXone, provide invaluable data on atmospheric aerosols and cloud properties, essential for climate modeling and air quality assessment.

Early imagery from PACE showcases remarkable insights, including aerosol distributions over Japan and Ethiopia captured by the SPEXone instrument. Moreover, HARP2 polarimeter data offers detailed observations of cloud formations over South America, enabling scientists to study cloud properties and their response to environmental factors.

The availability of PACE data marks a significant milestone in NASA's efforts to advance Earth science and address pressing environmental challenges. By leveraging cutting-edge technology and international collaboration, PACE promises to revolutionize our understanding of Earth's complex systems, informing decisions crucial for environmental stewardship and climate resilience.

More: https://phys.org/news/2024-04-nasa-pace-ocean-atmosphere-climate.html