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  • ECCO Version 4 Release 4 Datasets

    The PO.DAAC is pleased to announce the public release of the ECCO Version 4 revision 4 (V4r4) ocean and sea-ice state estimates.

    This graphic illustrates information gathered from the ECCO Version 4 revision 4 (V4r4) ocean and sea-ice state estimates.
  • New Datasets Available in SOTO

    We are pleased to announce recently-added datasets in the PO.DAAC State of the Ocean (SOTO) visualization tool.

    This graphic illustrates information gathered from CYGNSS Wind Speed SDR V3.0 through the PO.DAAC State of the Ocean (SOTO) visualization tool.
  • Data in Action: The 2020 Atlantic Hurricane Season: A Record Breaker

    The 2020 Atlantic hurricane season set records, as the most active season as well as the most expensive in terms of property damage.

    This graphic illustrates information gathered from the 2020 Atlantic Hurricane Season
  • The PO.DAAC: An Open Ocean of Remote Sensing and In Situ Data for Science in the Cloud

    Webinar: Join us to learn about NASA's archive for physical oceanography data in the context of Open Science.

    This graphic illustrates information gathered from the upcoming webinar featuring, PO.DAAC: An Open Ocean of Remote Sensing and In Situ Data for Science in the Cloud
  • CYGNSS Level 3 Storm Centric Grid Science Data Record Version 1.0 Dataset Release

    The PO.DAAC is pleased to announce the public release of the CYGNSS Level 3 Storm Centric Grid (SCG) Science Data Record (SDR) Version 1.0 dataset.

    This graphic illustrates information gathered from the CYGNSS Level 3 Storm Centric Grid Science Data Record Version 1.0 Dataset
  • New PO.DAAC animation now available!

    Sea Surface Height Anomaly from Integrated Multi-Mission Ocean Altimeters (September 1992 to October 2020)

    This graphic illustrates information gathered from the Sea Surface Height Anomaly from the Integrated Multi-Mission Ocean Altimeter Sea Surface Height Level 2 v5.0 Dataset
  • Integrated Multi-Mission Ocean Altimeter SSH L2 v5.0 Datasets Release

    The PO.DAAC is pleased to announce the public release of the Integrated Multi-Mission Ocean Altimeter Sea Surface Height (SSH) Level 2 version 5.0.

    This graphic illustrates information gathered from the Integrated Multi-Mission Ocean Altimeter Sea Surface Height (SSH) L2 v5.0 Datasets
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Science Disciplines

  • Read below about Ocean Measurements Click on this icon to read more about Ocean Measurements
    Ocean
  • Read below about Cryosphere Measurements Click on this icon to read more about Cryosphere Measurements
    Cryosphere
  • Read below about Terrestrial Hydrosphere Measurements Click on this icon to read more about Terrestrial Hydrosphere Measurements
    Terrestrial Hydrosphere
Find Data

Ocean Measurements

The Ocean includes geophysical parameters that characterize the oceans (e.g., temperature, salinity, sea surface topography, circulation, etc.) as well as those physical processes operating within the Earth’s oceans and at its surface. Select from below to learn more about the related measurements.

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Globe icon / screenshot representing the featured (clicked) Measurement

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    Globe icon / screenshot representing Ocean Temperature Measurement
    Ocean Temperature
    Globe icon / screenshot representing Ocean Waves Measurement
    Ocean Waves
    Globe icon / screenshot representing Ocean Winds Measurement
    Ocean Winds
    Globe icon / screenshot representing Salinity/Density Measurement
    Salinity/Density
    Globe icon / screenshot representing Ocean Surface Topography Measurement
    Ocean Surface Topography
    Globe icon / screenshot representing Ocean Circulation Measurement
    Ocean Circulation
    Globe icon / screenshot representing Ocean Heat Budget Measurement
    Ocean Heat Budget
    Globe icon / screenshot representing Gravity/Gravitational Field Measurement
    Gravity/Gravitational Field
    Find Data

    Cryosphere Measurements

    The Cryosphere includes the portions of Earth's surface where water is in solid form, including sea ice, snow cover, glaciers, ice sheets, and frozen ground. Select from below to learn more about the related measurements.

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    Globe icon / screenshot representing the featured (clicked) Measurement

    Learn More

      Globe icon / screenshot representing Glaciers/Ice Sheets Measurement
      Glaciers/Ice Sheets
      Globe icon / screenshot representing Sea Ice Measurement
      Sea Ice
      Find Data

      Terrestrial Hydrosphere Measurements

      Terrestrial Hydrosphere includes water on the land surface and underground in the form of lakes, rivers, groundwater, and total water storage. Select from below to learn more about the related measurements.

      Find Data
      Globe icon / screenshot representing the featured (clicked) Measurement

      Learn More

        Globe icon / screenshot representing Surface Water Measurement
        Surface Water

        Announcements

        Apr
        27
        ECCO Version 4 Release 4 Datasets

        The PO.DAAC is pleased to announce the public release of the ECCO Version 4 revision 4 (V4r4) ocean and sea-ice state estimates. Estimating the Circulation and Climate of the Ocean (ECCO) ocean and sea-ice state estimates are dynamically and kinematically-consistent reconstructions of the three-dimensional, time-evolving ocean, sea-ice, and surface atmospheric states (ECCO Consortium, 2021).

        Apr
        16
        NOAA GHRSST MetOp-A, -B and -C AVHRR/FRAC L2P/L3U v2.80 SST Datasets Release

        The PO.DAAC is pleased to announce the public release of six NOAA GHRSST AVHRR FRAC v2.80 Sea Surface Temperature (SST) Datasets from three Metop First Generation (FG) satellites, MetOp-A, -B, and -C. This release covers fully ingested forward data stream and partial historical data records. The 2nd announcement will be released after the whole data records are ingested.

        Apr
        05
        New Datasets Available in SOTO

        We are pleased to announce recently-added datasets in the PO.DAAC State of the Ocean (SOTO) visualization tool.

        • Wind Speed: CYGNSS Wind Speed SDR V3.0 (DOI: 10.5067/CYGNS-L3X30)
        • Soil Moisture: CYGNSS Soil Moisture V1.0 (by UCAR) (DOI: 10.5067/CYGNU-L3SM1)
        • Sea Surface Salinity: SMAP JPL CAP SSS V5.0 (DOI: 10.5067/SMP50-3TPCS)

        SOTO is a suite of tools presented through an interactive, web-based visualization front end. It provides access to a broad range of satellite-derived products with key parameters of interest to the oceanographic community.

        Mar
        29
        CYGNSS Storm Centric Grid Data File Correction

        On Friday, 26 March 2021, the CYGNSS Science Operations Center (SOC) discovered and rectified a mismatch within the CYGNSS Level 3 Storm Centric Grid Science Data Record Version 1.0 (DOI: 10.5067/CYGNS-L3S10) for the data values in the “best_track_r34_se” and “best_track_r34_nw” variables (i.e., the radial extent of 34 knot winds in south east and north west storm quadrants, respectively) in each of the 27 netCDF data files.

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