Observing Water on the Earth from Space
Advanced Microwave Scanning Radiometer (AMSR) series measures microwave emission and scattering signals from the earth's surface and atmosphere to monitor the global water cycle.
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What's New

Updates
Apr. 25, 2025
Launch of the Global Observing SATellite for Greenhouse gases and Water cycle (GOSAT-GW) (Japanese only)
Operation
Feb. 14, 2025
(Resumed)Notification that browsing Web Pages and new user registration is unavailable (Feb. 14, 2025)
Updates
Dec. 04, 2024
Snow depth in AMSR Viewer has been updated.

Monitoring - View of the Earth from AMSR

  • AMSR Earth Environment Viewer

    This site provides global observation images and data by AMSR series.

    data
    images
  • Sea Ice Distribution in the Sea of Okhotsk

    This site provides sea ice distribution images in the Sea of Okhotsk.

    images
  • JASMES Greenland Monitor

    This site provides data on the Greenland ice sheet observed by SGLI, etc.

    data
    images
  • Sea Ice Extent Trends

    This site provides the change of sea ice extent from 1978 to present.

    data
    images
  • Tropical Cyclone Monitoring

    This site provides observation data of typhoons by AMSRs, DPR, and GMI.

    images
  • JAXA GLOBAL RAINFALL WATCH (GSMaP)

    This site provides global rainfall status observed by DPR and GMI onboard the GPM core Observatory, etc.

    data
    images
  • El Niño Watch

    This site is to monitor El Niño occurrence by using sea surface temperature retrieved using AMSR series.

    images
  • Tropical Cyclone Database

    This site provides tropical cyclone data observed by AMSRs, DPR, PR, etc.

    data
    images
  • JASMES for Water Cycle

    This site provides images of the global water cycle observed by AMSRs, etc.

    images
  • GHRSST Server

    This site serves SST products from AMSR, SGLI, and GMI observations by GHRSST format (NetCDF).

    data
    images
  • GCOM-W Validation Web

    A validation real-time monitoring system.

    images
  • Observation Area of AMSR

    This site is to search for observation areas of AMSR series.

    images
  • Tropical Cyclone Monitoring

    This site provides observation data of typhoons by AMSRs, DPR, and GMI.

    images
  • JASMES Greenland Monitor

    This site provides data on the Greenland ice sheet observed by SGLI, etc.

    data
    images
  • Sea Ice Distribution in the Sea of Okhotsk

    This site provides sea ice distribution images in the Sea of Okhotsk.

    images

learning - Get to know AMSR

  • About AMSR

  • Quick Guide to AMSR

  • AMSR Utilization

  • Enjoy AMSR!

  • About MW Remote Sensing

  • AMSR in the World

  • Retrieval Algorithm

  • Calibration & Validation

  • Reading Materials

  • Publication List

  • Science Plan

  • Related Projects

Resources - How to use AMSR Earth Observation Data

  • Data Product Type

  • Data Format

  • Tool & Library

  • Data Handling

  • Calibration & Validation

  • Satellite/Sensor Status