GCOM@EORC HOMEPAGE

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Jun. 04, 2025

The GOSAT-GW x H-IIA Rocket No. 50 special website has been released (in Japanese)

Apr. 25, 2025

Launch of the Global Observing SATellite for Greenhouse gases and Water cycle (GOSAT-GW) (Japanese only)

Feb. 20, 2025

(Resumed)Notification that browsing Web Pages and new user registration is unavailable (Feb. 14, 2025)
Regarding the suspension of web page browsing and new user registration due to network system maintenance announced on February 14, 2025, the system has now been restored.
We apologize for the inconvenience.

Feb. 14, 2025

Notification that browsing Web Pages and new user registration is unavailable (Feb. 14, 2025)
Due to network system maintenance, the following pages will be unavailable for viewing and new user registration from 17:00 JST (8:00 UTC) on Feb 14th.

·GCOM Web page (https://suzaku.eorc.jaxa.jp/GCOM/index.html)
·GCOM-W page (https://suzaku.eorc.jaxa.jp/GCOM_W/index.html)
·GHRSST Server @ JAXA EORC (https://suzaku.eorc.jaxa.jp/GHRSST/)
·JASMES for Water Cycle (https://suzaku.eorc.jaxa.jp/cgi-bin/gcomw/jasmes_daily/jasmes_daily_detail_v3.cgi?lang=en)

During this time, new user registrations will be unavailable, but existing users will be able to obtain data. We will announce the reopening date as soon as it is decided.

Feb. 05, 2025

The topics page has been added
The topics page has been added, providing stories related to the AMSR series.

Jan. 08, 2025

AMSR Viewer now supports Arctic and Antarctic projections
The AMSR Earth Environment Viewer (AMSR Viewer) now supports projections for the Arctic and Antarctic regions in addition to the global projection.
You can select this function from the "Display date/projection switching/slideshow" menu at the top center of the page.
For detailed operation instructions, please see the User Guide.

Jan. 08, 2025

G-Portal Maintenance Information (January 9th, 2025)
Due to system maintenance, G-Portal services will be affected as follows.
[Date and Time]
01:30 - 08:00 on Jan. 9th, 2025(UTC)
[Range of influence]
G-Portal SFTP service and G-Portal alternative site (G-Portal Repo) will be suspneded during the above period.
We plan to register new products which created during this period after maintenance is completed.
We apologize for the inconvenience.

Dec. 16, 2024

G-Portal Maintenance Information
Due to system maintenance, G-Portal services will be affected as follows.
[Date and Time : Range of influence]

04:00 - 06:00 on Dec. 17th, 2024(UTC) :
G-Portal SFTP service and G-Portal alternative site (G-Portal Repo) will be suspneded during the above period.

01:30 - 07:00 on Dec. 18th, 2024(UTC) :
G-Portal SFTP service and G-Portal alternative site (G-Portal Repo) will be suspneded during the above period.
We plan to register new products which created during this period after maintenance is completed.

We apologize for the inconvenience.

Dec. 04, 2024

Snow depth in AMSR Viewer has been updated.
Snow depth used in the AMSR Earth Environment Viewer has been changed from the standard product to the research product.
The research product is created for only the descending orbit using an algorithm currently being developed for AMSR3.

Dec. 02, 2024

G-Portal Maintenance Information
Due to system maintenance, G-Portal services will be affected as follows.
[Date and Time]
01:30 - 08:30 on Dec. 4th, 2024(UTC)
[Range of influence]
G-Portal SFTP service and G-Portal alternative site (G-Portal Repo) will be suspneded during the above period.
We plan to register new products which created during this period after maintenance is completed.
We apologize for the inconvenience.

Nov. 22, 2024

The delay of provision for some GCOM-W products.
With regard to the partial delay in providing GCOM-W Near real-time products (Global observation data) and standard products announced on November 21th, 2024, we have completed the recovery as of November 21th, 2024.
In addition, below GCOM-W Near real-time products (Global observation data) are not provided.
From 22:10 on November 20th, 2024 to 04:45 on November 21th, 2024(UTC)
We apologize for the inconvenience.

Nov. 22, 2024

The delay of provision for some GCOM-W Near real-time products (Global observation data) and standard products.
The provision of GCOM-W Near real-time products (Global observation data) and standard products has been delayed for the observation data from 19:37(UTC) on November 20th.
We will report to you as soon as we resume providing data.
We are sorry for any inconvenience caused.

Nov. 11, 2024

(Updated) Network Maintenance Notification (Nov. 19~20 & 27, 2024)
Due to network system maintenance, web page and FTP updates will be suspended in the following period:
Nov. 19th, 1:30pm-2:30pm JST (4:30am-5:30am UTC).
Nov. 20th, 1:30pm-2:30pm JST (4:30am-5:30am UTC).
Nov. 27th, 1:30pm-2:30pm JST (4:30am-5:30am UTC).
In addition, the website can not browsed during this period.
We ask all users to be careful.

Oct. 08, 2024

(Resumed) The delay in providing GCOM-W/AMSR2 data (Oct. 8, 2024)
The data provision delay from Oct. 3rd due to system maintenance has been resumed.
We apologize for the inconvenience.

Oct. 04, 2024

The delay in providing GCOM-W/AMSR2 data (Oct. 4, 2024)
Due to system maintenance, the data provision has delayed in the following period:
Oct. 3rd, 08:00~ JST (Oct. 2th, 23:00~ UTC)
Products that were delayed during the maintenance period will be made public sequentially after the maintenance is completed.
We apologize for the inconvenience.

Sep. 11, 2024

Network Maintenance Notification (Sep. 18, 2024)
Due to network system maintenance, web page and FTP updates will be suspended in the following period:
Sep. 18th, 10:00-16:00 JST (01:00-7:00 UTC).
In addition, the website can not browsed during this period.
We ask all users to be careful.

Jul. 5, 2024

Issue of the 4th Research Announcement on the Earth Observations

Jun. 19, 2024

GCOM-W/AMSR2 Sea Ice Motion Vector Product (Y) Version 2.0 Released.
AMSR2 research products are being distributed on the GCOM-W research product providing service website.

Jun. 10, 2024

AMSR-E brightness temperature (TB) level 3 (daily and monthly) products Version 4.401.401 are released
Correction of overlap scan removal processing
Please refer to here for the details of TB products Ver.4.401.401.
? These will be sequentially released from June 11, 2024

Apr. 24, 2024

The mission mark and logo for GOSAT-GW are designed.
The GOSAT-GW^*1 mission aims to observe global greenhouse gases and the water cycle using TANSO-3^*2 and AMSR3^*3. The mission mark is decorated with symbols of the natural environment and the water cycle to provide a view of the research fields that the mission contributes to.

_{*1: GOSAT-GW: Global Observing SATellite for Greenhouse gases and Water cycle

*2: TANSO-3: Total Anthropogenic and Natural emissions mapping SpectrOmeter-3

*3: AMSR3: Advanced Microwave Scanning Radiometer 3}

Apr. 17, 2024

GCOM-W/AMSR2 SST Ver. 4.411.411 products released.
JAXA has started to provide version 4.411.411 products of GCOM-W/AMSR2 Sea Surface Temperature (SST) on Apr. 17, 2024.
Please refer to the Release Note of the Product information/operation for the details of the minor version update.

Mar. 25, 2024

The AMSR2 new research product "Thin Ice Thickness" and "Soil Moisture Content (SMC) and Vegetation Water Content (VWC) based on the Land Data Assimilation Methodology" was released.
Furthermore, Snow Depth (Research Product), which distribution had been stopped, has been re-released.
AMSR2 research product are being distributed on the GCOM-W Research Product Distribution Service website.

Mar. 18, 2024

The mission mark and logo for the AMSR series are designed.
The round shape represents the AMSR series antenna with the observed image of the Earth embedded in its center.
Furthermore, symbols of the global water cycle retrieved using the AMSR series are decorated.

Mar. 08, 2024

Updates on Earth, Quick Report
Global average of sea surface temperature continues to hit the record high of the AMSR series observation period

Mar. 05, 2024

Updates on Earth, Quick Report
Antarctic sea ice extent hits the second lowest

Apr.24,2023

Release of JAXA-RIKEN Ocean Analysis through JAXA's P-Tree System

Mar.31,2023

Presentation of Certificates of Appreciation for the Global Change Observation Mission (GCOM)

Jul.28,2022

GCOM-W1/AMSR2 Version 4.410.410 products of SST Released.

Please refer to the Release Note of the Product information/operation for the details of algorithm improvements.

May 18, 2022

Nov. 22, 2021

The AMSR Series website is now opened.

Jun. 14, 2021

We will make minor version update and release the new version 2.220.220 (Ver. 2.2) of AMSR2 Total Precipitable Water (TPW) and Cloud Liquid Water (CLW) products on June 16.

Jun. 10, 2021

Issue of the 3rd Research Announcement on the Earth Observations

Jan. 05, 2021

FAI monitor was opened.

Jun. 30, 2020

AMSR Viewer was released.

AMSR Earth Environment Viewer (AMSR Viewer) is a display system for a global earth observation data observed by the Advanced Microwave Scanning Radiometer (AMSR) series consisting of GCOM-W/AMSR2 and Aqua/AMSR-E.
The AMSR Viewer provides daily images of observation data (brightness temperature) and estimated geophysical data since June 2002.

Mar. 20, 2019

The delayed provision of AMSR2 product (March 18, 2019)

Realtime processing and provision resumed at 9:00 (UT) on March 19, 2019.
We will provide until the end of March the products that are currently not available.
We are sorry for the inconvenience.

[Mar. 19 2019 Published]
There has been a delay in the provision of AMSR2 products from 12:00 (UT) on March 18, 2019.
We are still working for recovery of service, and we will contact you when the service resumes.

Jan. 31. 2019

The AMSR2 new research product "Total Precipitable Water over Land and Detection of Thin Sea Ice" were released AMSR2 research products are being distributed on the GCOM-W research product providing service website.

Jan. 18, 2019

Reprocessing several files of All-weather Sea surface Wind speed

We reprocessed several Level 2 and 3 files of the AMSR2 All-weather Sea surface Wind speed (ASW) research products(V301) due to problem in missing data handling.
All affected files (Ten L2 files from July 2012 to December 2018 and L3 files that use those affected L2 files as input) have been replaced with new files. Details are as listed.
We are sorry for any inconvenience caused.

Dec. 20, 2018

Missing period of the AMSR2 data

The AMSR2 global observation was temporarily suspended from 06:13 to 16:55 Dec. 16, 2018 (UTC)
and observation data of that period was missed.
Currently, observation and data distribution of AMSR2 are back to normal.
We are sorry for any inconvenience caused.

Nov. 19, 2018

Since some of the products processed on November 15, 2018 were incomplete,
we have temporarily stopped publishing the product.
Details are as listed.

Oct. 17, 2018

Issue of the 2nd Research Announcement on the Earth Observations

Sep. 10, 2018

HTTPS-Everywhere for EORC

The Earth Observation Research Center (EORC) entire webpages will be the HTTPS-Only on 26, September.
-> For more information, please refer to this page.

Aug. 10, 2018

HTTPS-Everywhere for EORC

The Earth Observation Research Center (EORC) entire webpages will be the HTTPS-Only from middle of September this year.
-> For more information, please refer to this page.

Apr. 19, 2018

HTTPS-Everywhere for EORC

The Earth Observation Research Center (EORC) entire webpages will be the HTTPS-Only from October this year.
-> For more information, please refer to this page.

Mar.14, 2018

GCOM-C/SGLI images were released at "Sea Ice Distribution in the Sea of Okhotsk"

Feb. 2, 2018

The AMSR2 new research product "Land Surface Temperature" was released

AMSR2 research products are being distributed on the GCOM-W research product providing service website.

Jan. 12, 2018

First Light images from GCOM-C were released

Jan. 11, 2018

The new version of AMSR2 research product "All-weather Sea Surface Wind Speed" was released

AMSR2 research products are being distributed on the GCOM-W research product providing service website.