The GCOM-W Research Product Distribution Service provides GCOM-W/AMSR2 and Aqua/AMSR-E research productrs with free of charge.
User registration is required to obtain the products on this service. Please read the terms and conditions carefully and agree on them before the registration at "User registration".
AMSR2/AMSR-E Research Products
| Product | Level | Sensor |
|---|---|---|
| Atmosphere | Total Precipitable Water over Land (PWL) | AMSR2 |
| Ocean | 10GHz (High-resolution) Sea Surface Temperature (SST) *1 | AMSR2, AMSR-E |
| Multi-band Sea Surface Temperature (SST) *2 | AMSR2 | |
| All-weather Sea Surface Wind Speed (ASW) | AMSR2 | |
| Cryosphere | High-resolution Sea Ice Concentration (HSI) | AMSR2 |
| Detection of Thin Sea Ice (TSI) | AMSR2 | |
| Sea Ice Motion Vector (SIM) | AMSR2 | |
| Thin Ice Thickness (Thermal Ice Thickness)(TIT) | AMSR2 | |
| Land | Snow Depth (SND) *3 | AMSR2, AMSR-E |
| Soil Moisture Content (SMC) *3 | AMSR2, AMSR-E | |
| Land Surface Temperature (LST) | AMSR2, AMSR-E | |
| Soil Moisture Content (SMC) and Vegetation Water Content (VWC) based on the Land Data Assimilation Methodology (LDA) | AMSR2, AMSR-E | |
| TB | AMSR-E Brightness Temperature in Slow Rotaion Mode *4 | AMSR-E |
File Format
AMSR2 / AMSR-E research products are in compliance with the HDF5 format of the AMSR2 standard products. However, the sea ice motion vectors (SIM) are in an original format.
For the research products, the quality flag is not described in the format description of the standard products. Please refer to the "Product Summary" of each product in the AMSR Data Catalog.
Tools / Libraries / Sample Programs
Regarding tools, libraries, and sample programs to handle AMSR2 / AMSR-E research products, please refer to the "Resources" page of the AMSR series website.
Please access Globe Portal System (G-Portl) if you would like to use AMSR2/AMSR-E standard products.
| 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. 3th, 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. |
| 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. |
| 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 distribusion had been stopped, has been re-released. |
| Feb. 15, 2024 |
| [Updated : Feb.22, Mar.4] [Schedule Change] Network Maintenance Notification (Feb. 22~26, Mar. 6, 2024) |
|
Due to network system maintenance, updates and accessibility to the web page and FTP will be limited in the following period: Feb. 22nd 10:00JST(01:00UTC)-26th 10:00JST(01:00UTC) : Web page update stop *The web page can be accessed during this period, but new data will not be uploaded. Feb. 26th 10:00-15:00JST(01:00-06:00UTC) : Web and FTP unavailable Mar. 6th 10:00-12:00JST(01:00-03:00UTC)：Web and FTP unavailable We ask all users to be careful. |
| Mar. 1, 2024 |
| Network Maintenance Notification |
|
Due to network system maintenance, updates to the web page and FTP will be limited in the following period: Mar. 4th 13:00-15:00JST(04:00-06:00UTC) We ask all users to be careful |
| Jan. 26, 2024 |
| E-Mail Server Maintenance Notification (Jan. 27, 2024) |
|
Due to email server maintenance, inquiries to the AMSR office may be bounced on Jan. 27, 2024. If the email bounces, please resend it another day. |
| Dec. 21, 2023 |
| （Resumed）The delay in GCOM-W/AMSR2 data provision |
|
The delay in GCOM-W/AMSR2 data provision due to network trouble since 11:45 on Dec. 19, 2023 (JST) has been resumed. We apologize for any inconvenience. |
| Dec. 20, 2023 |
| The delay in GCOM-W/AMSR2 data provision |
|
The provision of GCOM-W/AMSR2 data has been delayed due to network trouble since 11:45 on Dec. 19, 2023. We are currently recovering the system.
We apologize for any inconvenience. |
| Nov. 29, 2023 |
| (Update) The delay of provision of GCOM-W products. |
|
The provision of new products was delayed from Nov. 27 to Nov. 28 (JST). The provision is now resumed. We are sorry for any inconvenience caused. |
| Nov. 27, 2023 |
| The delay of provision of GCOM-W products. |
|
The provision of new products have been delayed due to the system maintenance perform on today. We apologize for the inconvenience. |
| Nov. 13, 2023 |
| GCOM-W/AMSR2 SIM(R) Version 1.101.101(Ver. 1.01) Released. |
|
JAXA made a minor version update of SIM(R) products because the incorrect data of eastward and northward components (Geophysical Data EN) was stored in Ver. 1.00 procuts due to problems in converting to an HDF format. Please kindly use Ver. 1.01 products started to be provided on Nov. 13, 2023. The validation results provided on the AMSRs web were not influenced by the problems. We are sorry for any inconvenience caused. |
| Nov. 2, 2023 |
| Distributions of AMSR2 SIM(R) products have been stopped temporarily. |
|
Distributions of AMSR2 SIM(R) products have been stopped temporarily since 2 November 2023, due to problems in converting to a HDF format.
We will report to you as soon as we resume providing data. We are sorry for any inconvenience caused. |
| Aug. 1, 2023 |
| GCOM-W/AMSR2 Detection of Thin Sea Ice product (TSI) Product Version 1.110.110 (Ver. 1.1) Released. |
| JAXA makes minor version update and has started to provide Ver. 1.1 products of Detection of Thin Sea Ice product (TSI) of GCOM-W/AMSR2 on Aug. 1, 2023. Please refer to the Release Note of the Product information/operation for the details. |
| Mar. 14, 2023 |
|
The AMSR-E/AMSR2 Snow Depth Research Product distributed by GCOM-W Research Products Distribution Service has been found a problem in data processing, and distribution of this data will be temporarily suspended. We will resume the data distribution after the problem is corrected and reprocessed. If you have already downloaded this data, please do not use it for analysis, etc., and use the reprocessed data. We apologize for any inconvenience caused. Please note that the standard product distributed from G-Portal is still available as usual. |
| Jan. 12, 2023 |
|
Facility Maintenance Notice
Due to facility maintenance, this website will be down from 10:40am to 12:10pm JST on Tuesday, January 17, 2023. |
| Sep. 20, 2022 |
|
AMSR2 Research Products Snow Depth (SND) and Soil Moisture Content (SMC) are now available.
AMSR-E Research Products Snow Depth (SND), Soil Moisture (SMC), and Surface Temperature (LST) are now available. |
| Jul. 28 2022 |
|
AMSR2 research products 10GHz SST and Multi-frequency SST ver 4.10 are now available.
|
| Mar. 14, 2022 |
|
The AMSR2 new research product "Sea Ice Motion Vector" was released for the Arctic Ocean. AMSR2 research product are being distributed on the GCOM-W Research Product Distribution Service website. |
| Apr. 21, 2021 |
| The new product "High Resolution Sea Ice Concentration(North Pole)" was released |
| We released the AMSR2 new research product "High Resolution Sea Ice Concentration(North Pole)" on Apr 21, 2021. |
| Sep. 03, 2019 |
| Reprocessing AMSR2 research product files |
| JAXA was reprocessed several L1 files of AMSR2 data. All affected files (Six L2 files and L3 files
that use those affected L2 files as input) have been replaced with new files. Details are as
listed.
For standard product, please refer to G-Portal. |
| 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 poducts 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. |
| Mar. 7, 2019 |
| AMSR2 research products update will be suspended |
| Due to the system maintenance, the AMSR2 research products update will be suspended from 02:30 Mar 14, 2019 to 05:00 (UTC). |
| Jan. 31, 2019 |
| The new product "Total Precipitable Water over Land" and "Detection of Thin Sea Ice" were released |
| We released the AMSR2 new research product "Total Precipitable Water over Land" and "Dtection of Thin Sea Ice" on Jan. 31, 2019. |
| 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. |
| Mar. 9, 2018 |
| AMSR2 research products Data Distribution Suspended |
| Since some of the products processed on November 15, 2018 were incomplete, we have temporarily stopped publishing the product. Details are as listed. |
| Feb. 5, 2018 |
| The new product "Land Surface Temperature" was released |
| We released the AMSR2 new research product "Land Surface Temperature" on Feb 5, 2018. |
| Jan. 11, 2018 |
| The new version of "All-weather Sea Surface Wind Speed" was released |
| We released the new version (V301) of the AMSR2 research product "All-weather Sea Surface Wind Speed" on Jan 11, 2018. |
| Nov. 27, 2017 |
| The AMSR2 Global Data Distribution Resumed |
| The AMSR2 global observation data distribution was suspended from 10:32 Nov. 25 to 00:38 Nov. 26, 2017 (UTC),
but the AMSR2 observation data distribution was resumed. We are sorry for any inconvenience caused. |
| Nov. 14, 2017 |
| AMSR2 Near-real-time Data Distribution Suspended |
| Because of system maintenance, the AMSR2 all-weather wind speed data will be temporally unavailable from around 1:00UTC to 6:30UTC Nov. 15. |
| Sep. 29, 2017 |
| The AMSR2 Global Data Distribution Suspended |
| The AMSR2 global observation data distribution were suspended during
27-28 Sep., and data during 22 hours was missed. |
| Mar. 6, 2017 |
| Near-real-time Data Distribution Suspended |
| Because of system maintenance, the AMSR2 all-weather wind speed data will be temporally unavailable from around 1:00UTC to 6:30UTC March 7. |
| Jun. 16, 2016 |
| AMSR2 research product during the initial check out phase is available. |
| AMSR2 research product "All-weather Sea Surface Wind Speed" acquired during the initial check out phase (July 3 to July 23, 2012) is now open to public. |
| Apr. 16, 2016 |
| AMSR2 observation data missing |
| The AMSR2 observation was suspended from around 12UTC April 15 to 08UTC April 16, 2016. Now, AMSR2 observation was in normal status. |
| Global Daily Browse |
| The browse images of AMSR2 All-weather sea surface wind speed and 10GHz Sea Surface Temperature as well as AMSR-E and AMSR2 other products can be checked on the JAXA Global Environment Monitor (JASMES) water circulation website. |
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| Tropical Cyclones Database |
| AMSR2 all-weather sea surface wind speed data and image around the typhoon is provided from the Tropical Cyclones Database website. |
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