| |
| Name | The Japanese Reanalysis for Three Quarters of a Century |
| Abbreviation | JRA-3Q |
| DOI | doi:10.20783/DIAS.645 |
| Metadata Identifier | JRA3Q20231102085946-DIAS20221121113753-en |
| Name | Numerical Prediction Division, Information Infrastructure Department |
|---|---|
| Organization | Japan Meteorological Agency |
| Address | 3-6-9 Toranomon, Minato City, Tokyo, 105-8431, Japan |
| jra@met.kishou.go.jp |
| Name | DIAS Office |
|---|---|
| Organization | Japan Agency for Marine-Earth Science and Technology |
| Address | 3173-25, Showa-Cho, Kanazawa-ku, Yokohama-shi, Kanagawa, 236-0001, Japan |
| dias-office@diasjp.net |
| Name | Numerical Prediction Division, Information Infrastructure Department |
|---|---|
| Organization | Japan Meteorological Agency |
| Name | Numerical Prediction Division, Information Infrastructure Department |
|---|---|
| Organization | Japan Meteorological Agency |
publication : 2022-12-09
The Japan Meteorological Agency is currently conducting the Japanese Reanalysis for Three Quarters of a Century (JRA-3Q), which covers the period from September 1947 onward to extend the current period of data coverage and improve the quality of long-term reanalysis. The project involves a sophisticated data assimilation system (based on the operational set-up as of December 2018) incorporating development results from the operational NWP system and sea surface temperature analysis achieved since the Japanese 55-year Reanalysis (JRA-55, based on the operational set-up as of December 2009). New datasets of past observations are also assimilated, including rescued historical observations and reprocessed satellite data supplied by meteorological and satellite centers worldwide. Many of the deficiencies of JRA-55 are alleviated in JRA-3Q, providing a high-quality homogeneous reanalysis dataset that covers the previous 75 years.
climatologyMeteorologyAtmosphere
| Begin Date | 1947-09-01 |
| End Date | Under Continuation |
| North bound latitude | 90 |
| West bound longitude | -180 |
| Eastbound longitude | 180 |
| South bound latitude | -90 |
| Dimension Name | Dimension Size (slice number of the dimension) | Resolution Unit |
|---|---|---|
| row | 40 (km) | |
| column | 480 | 40 (km) |
| vertical | 100 | 0.02-25 (hPa) |
| 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 |
| Keyword Type | Keyword | Keyword thesaurus Name |
|---|---|---|
| theme | DIAS > Data Integration and Analysis System | No_Dictionary |
JRA project website : https://jra.kishou.go.jp/
JRA-3Q Data Format (in English) : https://jra.kishou.go.jp/JRA-3Q/index_en.html#FORMAT
JRA-3Q Data Format (in Japanese) : https://jra.kishou.go.jp/JRA-3Q/index_ja.html#FORMAT
Quality issues (in English) : https://jra.kishou.go.jp/JRA-3Q/index_en.html#QUALITY
Quality issues (in Japanese) : https://jra.kishou.go.jp/JRA-3Q/index_ja.html#QUALITY
file download : https://data.diasjp.net/dl/storages/filelist/dataset:645
| name | version | specification |
|---|---|---|
| GRIB | 2 |
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JRA-3Q data should be acknowledged in scientific and technical reports.
Example
"This report references JRA-3Q reanalysis data from the Japan Meteorological Agency."
If you plan to use this dataset for a conference presentation, paper, journal article, or report etc., please include acknowledgments referred to following examples. If the data provider describes examples of acknowledgments, include them as well.
" In this study, [Name of Dataset] provided by [Name of Data Provider] was utilized. This dataset was also collected and provided under the Data Integration and Analysis System (DIAS), which was developed and operated by a project supported by the Ministry of Education, Culture, Sports, Science and Technology. "
Kosaka Y., S. Kobayashi, Y. Harada, C. Kobayashi, H. Naoe, K. Yoshimoto, M. Harada, N. Goto, J. Chiba, K. Miyaoka, R. Sekiguchi, M. Deushi, H. Kamahori, T. Nakaegawa; T. Y.Tanaka, T. Tokuhiro, Y. Sato, Y. Matsushita, and K. Onogi, 2024: The JRA-3Q reanalysis. J. Meteor. Soc. Japan, 102, https://doi.org/10.2151/jmsj.2024-004.