G-Portal Repo Terms of Use

Earth Observation satellite data dissemination system (hereinafter called "G-Portal") is a free portal system to provide data of spaceborne sensors that Japan Aerospace Exploration Agency (hereinafter called "JAXA") has developed or been involved in.
G-Portal Repo is an alternative service for G-Portal which shuts down its serveces for the system maintenance planned from Oct. 2024 to Mar. 2025.
This Terms of Use states requirments and conditions for people to use G-Portal Repo. JAXA Site Policy is also subjected to a matter which is not specified in this Terms of Use JAXA Site Plicty/Terms of Use.
User registration is not necessary for data download from G-Portal Repo, but data download itself is deemed to have understood and agreed to the Terms.

1. User Registration

User registration is not necessary for use of G-Portal Repo.

2. Termination of Use

When a user conducts any use in violation of this Terms of Use or JAXA Site Policy/Terms of Use or gives overloads to the system by acquiring a large amount of data with malicious intent, JAXA suspends the user's use.

3. Modifications

JAXA reserves a right to modify any part or all of G-Portal including this Terms of Use with or without notice at any time in the future. Modifications will be posted at G-Portal's site. It is the responsibility of the user to remain informed of any modifications at all times, as the user is bound by the latest version of the Terms of Use.

4. Limitation for Data Order

Due to network constraints or other limitations, the amount of data to be downloaded by a user per one order is limited for fair allocation of limited resources.

5. Condition for Use of Data Delivered by G-Portal Repo

(1) The users are entitled to use G-Portal data free of charge without any restrictions (including commercial use) except for citation of credit for the data provider.
(2) credit for Data Provider
The user shall indicate proper credit as defined in the attached TABLE, when the user publishes analyzed results from G-Portal data.

Example of Credit

"PR data by Japan Aerospace Exploration Agency."

Example of Credit for Value-added Product

When the user publishes value-added data products generated from G-Portal data, the user shall indicate the credit of the original G-Portal data.
"Original data for a value-added product was provided by Japan Aerospace Exploration Agency."

6. Data Use Based on Contract/Joint Research

Terms and Conditions of any contract/joint research agreement with JAXA supersede this Terms of Use. If you use G-Portal Repo data under the contract/joint research agreement, please follow the associated terms and conditions.

7. DOI(Digital Object Identifier) Citation

JAXA has assigned DOI numbers for standard products provided by G-Portal since FY2022. (Except for part of products including near real-time products.) If you use the products on your report or academic journal etc., please cite the DOI numbers by checking the associated numbers with the web site described below.
https://earth.jaxa.jp/doi/

8. Disclaimer/Limitation on Liability

JAXA does not represent or warrant that the use of G-Portal Repo is safe or that the contents of G-Portal are free of any harmful components. The data and information included in or available through G-Portal may include inaccuracies or errors. JAXA does not represent or warrant that the data and information provided by G-Portal, the use or the results of the use of G-Portal data will be correct, accurate, timely, or otherwise reliable. JAXA provides G-Portal "as is" without warranty of any kind, and hereby disclaims all warranties and conditions with regard to G-Portal, makes no representations about the suitability, reliability, availability, timeliness, and accuracy of G-Portal for any purpose. JAXA is not reliable for any damages or loss arising out of or in any way connected with the use or performance of G-Portal, with the delay or inability to use G-Portal, the provision of or failure to provide G-Portal, G-Portal data or any information, products and related materials obtained through G-Portal, or otherwise arising out of or in any way connected with the use or the results of the use of G-Portal data or any information, products or any related materials obtained through G-Portal. JAXA may make change to the data and information provided by G-Portal at any time. JAXA reserves the right at any time and from time to time to modify or discontinue, temporarily or permanently, G-Portal (or any part thereof) with or without notice. The user agrees that JAXA shall not be liable to the user or to any third party for any modification, suspension, or discontinuance of G-Portal.

9. Cooperation for Submission of Results

JAXA is collecting results (papers, theses, reports, etc.) of use of data delivered by G-Portal. If you have the results, please mail/e-mail a copy of the results to G-Portal Support Desk listed below. Your cooperation would be much appreciated.

10. G-Portal Support Desk

If you have any questions about G-Portal Repo, please contact to G-Portal Support Desk.
Address: Japan Aerospace Exploration Agency, Tsukuba Space Center, 2-1-1 Sengen, Tsukuba-shi, Ibaraki 305-8505, Japan
E-mail :

TABLE

Data	Credit for Data Provider
GPM (GSMaP)	JAXA
GPM (Other GPM Products)	The NASA/JAXA GPM project and the other GPM Partners
TRMM (PR, TMI, COMB, VIRS)	JAXA, NASA
ALOS (AVNIR-2, PRISM, PALSAR)	AVNIR-2及び PRISM:JAXA, PALSAR:JAXA METI
ALOS-2 (PALSAR-2)	JAXA
CIRC	JAXA
MODIS	NASA
MOS-1 (MESSR, VTIR, MSR)	JAXA
MOS-1b (MESSR, VTIR, MSR)	JAXA
JERS-1 (VNIR, SWIR, SAR)	VNIR及びSWIR:JAXA, SAR:JAXA METI
ADEOS (AVNIR, OCTS)	JAXA
GCOM-W(AMSR2)	JAXA
GCOM-C(SGLI)	JAXA
ADEOS-II (GLI, AMSR)	JAXA
Aqua (AMSR-E)	JAXA, NASA
SLATS	JAXA
GOSAT-GW	JAXA