The Japanese 55-year Reanalysis (JRA-55)


GCMD Science Keywords
[Atmosphere ]

IDENTIFICATION INFORMATION

Name The Japanese 55-year Reanalysis (JRA-55)
Metadata Identifier JRA5520170509161215-DIAS20170508134353-en

CONTACT

CONTACT on DATASET

Name Climate Prediction Division, Global Environment and Marine Department, Japan Meteorological Agency
Address 1-3-4 Otemachi, Chiyoda-ku, Tokyo, 100-8122, Japan
E-mail jra@met.kishou.go.jp

CONTACT on PROJECT

Data Integration and Analysis System

Name DIAS Office
Organization The Earth Observation Data Integration and Fusion Research Initiative (EDITORIA), The University of Tokyo
Address 4-6-1 Komaba, Meguro-ku, Tokyo, 153-8505, Japan
E-mail dias-office@diasjp.net

DOCUMENT AUTHOR

Name Climate Prediction Division, Global Environment and Marine Department, Japan Meteorological Agency
Organization Climate Prediction Division, Global Environment and Marine Department, Japan Meteorological Agency
E-mail jra@met.kishou.go.jp

DATASET CREATOR

Name Climate Prediction Division, Global Environment and Marine Department, Japan Meteorological Agency
Organization Climate Prediction Division, Global Environment and Marine Department, Japan Meteorological Agency
E-mail jra@met.kishou.go.jp

DATE OF THIS DOCUMENT

2017-05-09

DATE OF DATASET

  • publication : 2013-10-01

DATASET OVERVIEW

Abstract

Reanalysis of long-term records of past observations with a state-of-the-art numerical analysis and weather prediction (NWP) system aims at producing a high quality, honogeneous data set for climate variables such as temperature and precipitation.

The Japan Meteorological Agency has conducted the second reanalysis project named the Japanese 55-year Reanalysis (JRA-55) using a more sophisticated NWP system, which is based on the operational system as of December 2009, and newly prepared past observations. The reanalysis period has been extended covering the period from 1958 to 2012. JRA-55 is a data set that aims at reproducing the climate change over the past half century more accurately.

Topic Category(ISO19139)

  • climatologyMeteorologyAtmosphere

Temporal Extent

Begin Date 1958-01-01
End Date Under Continuation

Geographic Bounding Box

North bound latitude 90
West bound longitude -180
Eastbound longitude 180
South bound latitude -90

Grid

Dimension Name Dimension Size (slice number of the dimension) Resolution Unit
()
()
()

Keywords

Keywords on Dataset

Keyword Type Keyword Keyword thesaurus Name
theme [Atmosphere ] GCMD_science
theme Aircraft, Balloons/Rockets, Earth Observation Satellites, In Situ Land-based Platforms, In Situ Ocean-based Platforms, Models > , Navigation Platforms GCMD_platform
theme Climate, Weather GEOSS

Keywords on Project

Data Integration and Analysis System
Keyword Type Keyword Keyword thesaurus Name
theme DIAS > Data Integration and Analysis System No_Dictionary

Online Resource

Distribution Information

name version specification
GRIB 1

USE CONSTRAINTS

Data Policy by Data Provider

(1) Users should provide user information including name, affiliation, e-mail address and purpose of data use.

(2) Users should not distribute the Products to any third party without JMA's prior consent. Use of the Products for any commercial purposes is also prohibited.

(3) The source of the Products should be duly acknowledged in scientific or technical papers, publications, press releases or other communications regarding the Products.

(4) Users should provide JMA with a copy of their scientific or technical papers, publications, press releases or other communications regarding the Products.

Disclaimer

Please note that although JMA has paid the closest attention to produce the Products, JMA assumes no responsibility regarding the reliability of the Products. JMA is not responsible to you for any damage that may be caused by the use of the Products on this site.

Data Policy for Project

Data Integration and Analysis System

1. With regard to Data policy, if there is any data policy indicated by the data provider, that policy always has priority over this DIAS data policy.

2. DIAS data sets are to be used only for scientific research or educational purposes [*1].

3. Any modification or change of the original DIAS data sets is prohibited.

4. Any Re-export or transfer of the original data sets to a third party is prohibited.

5. The origin of DIAS data being used for any publication of scientific results must be acknowledged and referenced in the publication, with the “quotation” given below as an acknowledgement.

6. Whenever DIAS data sets are used for publication of scientific results, the author(s) shall send a copy of the respective publication, preferably in an electronic form or in a separate printed version, to the DIAS CONTACTS as indicated below.

E-mail: dias-office@diasjp.net

Earth Observation Data Integration & Fusion Research Initiative (EDITORIA),

The University of Tokyo.

4-6-1 Komaba, Meguro-ku, Tokyo 153-8505 JAPAN

[*1] Data sets whose commercial usage are allowed under the data policy by data provider will be also allowed to be used commercially as DIAS data sets, after ongoing preparation works have been completed. Please contact [R-dias3@restec.or.jp] for more details.

Disclaimer for Project

Data Integration and Analysis System

1. DIAS data provider is not liable for any losses or any damage when DIAS data sets are used.

2. DIAS data and related information are subject to change without any prior notice.

3. DIAS data sets provided are not supported for any additional processing or analysis.

ACKNOWLEDGEMENT

Dataset Acknowledgement

The source of the Products should be duly acknowledged in scientific or technical papers, publications, press releases or other communications regarding the Products.

Example:

The datasets used for this study are provided from the Japanese 55-year Reanalysis (JRA-55) project carried out by the Japan Meteorological Agency (JMA).

Project Acknowledgement

Data Integration and Analysis System

Whenever DIAS dataset is used for any academic presentations, and any publication of scientific results, the author(s) shall specify the following acknowledgement and if the data provider has their own acknowledgement quotation, the author(s) shall use both acknowledgements.

"The DIAS dataset is archived and provided under the framework of the Data Integration and Analysis System (DIAS) funded by Ministry of Education, Culture, Sports, Science and Technology (MEXT)."

REFERENCES

Kobayashi, S., Y. Ota, H. Harada, A. Ebita, M. Moriya, H. Onoda, K. Onogi, H. Kamahori, C. Kobayashi, H. Endo, K. Miyaoka, and K. Takahashi, 2015: The JRA-55 Reanalysis: General Specifications and Basic Characteristics, J. Met. Soc. Japan, 93, 5-48, doi: 10.2151/jmsj.2015-001.


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