SMAP_RSS_L3_SSS_SMI_MONTHLY_V2_1

PODAAC-SMP20-3SMCS

Version 1
  • Abstract
    The version 2.0 SMAP-SSS level 3, monthly gridded product is based on the first release of the validated standard mapped sea surface salinity (SSS) data from the NASA Soil Moisture Active Passive (SMAP) observatory, produced operationally by Remote Sensing Systems (RSS) with a one-month latency. This release builds upon the legacy of the Aquarius/SAC mission and the official NASA salinity retrieval algorithm applied now to observations from the SMAP mission. Monthly data files for this product are averages over one-month time intervals. SMAP data begins on April 1,2015 and is ongoing, with a one-month latency in processing and availability. L3 products are global in extent and gridded at 0.25degree x 0.25degree with an approximate spatial resolution of 40km. The SMAP satellite is in a near-polar orbit at an inclination of 98 degrees and an altitude of 685 km. It has an ascending node time of 6 pm and is sun-synchronous. With its 1000km swath, SMAP achieves global coverage in approximately 3 days, but has an exact orbit repeat cycle of 8 days. On board instruments include a highly sensitive L-band radiometer operating at 1.41GHz and an L-band 1.26GHz radar sensor providing complementary active and passive sensing capabilities. Malfunction of the SMAP scatterometer on 7 July, 2015, has necessitated the use of collocated wind speed, primarily from WindSat, for the surface roughness correction required for the surface salinity retrieval.

Data Identification Fields:

Toggle Data Identification Fields
    Data Dates
    Creation
    Last Revision
    Processing Level

    3

    Quality
    Collection Progress

    Not Provided

Related URLs
    Science Keywords
    • Earth Science
    • Oceans
    • Salinity/Density
    • Salinity
    • None

Acquisition Information Fields:

Toggle Acquisition Information Fields
Platforms
  • null
    SMAP
    Instruments
    • SMAP_RADIOMETER
    • SMAP_RADAR

Temporal Information Fields:

Toggle Temporal Information Fields

Spatial Information Fields:

Toggle Spatial Information Fields
    Coverage Type Zone Identifier Geometry Granule Representation
    HORIZONTAL CARTESIAN CARTESIAN
Location Keywords
    • GEOGRAPHIC REGION
    • GLOBAL

Data Centers

Toggle Data Centers
  • Aquarius Project NASA/CONAE
    PROCESSOR

    This data center does not have any addresses listed.

    This data center does not have any contact mechanisms listed.

  • PO.DAAC
    ARCHIVER

    This data center does not have any addresses listed.

    This data center does not have any contact mechanisms listed.

  • Physical Oceanography Distributed Active Archive Center, Jet Propulsion Laboratory, N
    ARCHIVER
    Physical Oceanography Distributed Active Archive Center, Jet Propulsion Laboratory, NASA

    This data center does not have any addresses listed.

Data Contacts

Toggle Data Contacts
  • User
    Technical Contact
    User Services

    Physical Oceanography Distributed Active Archive Center, Jet Propulsion Laboratory, N

    This contact does not have any addresses listed.

    This contact does not have any contact mechanisms listed.

Collection Citations Fields:

Toggle Collection Citations Fields