FORA-WNP30


GCMD Science Keywords
[Oceans ] [Ocean Circulation ] [Eddies ] [Ocean Currents ] [Wind-driven Circulation ]

IDENTIFICATION INFORMATION

Name FORA-WNP30
Edition 1.0
Metadata Identifier FORA_WNP30_JAMSTEC_MRI20181216221740-DIAS20180903143952-en

CONTACT

CONTACT on DATASET

Name JAMSTEC/CEIST
Address 3173-25, Showa-machi, Kanazawa-ku, Yokohama-city, Kanagawa, 236-0001, Japan
E-mail fora_req@jamstec.go.jp

CONTACT on PROJECT

Data Integration and Analysis System

Name DIAS Office
Organization Remote Sensing Technology Center of Japan
Address TOKYU REIT Toranomon Building 2F 3-17-1 Toranomon, Minato-ku, Tokyo, 105-0001, Japan
E-mail dias-office@diasjp.net

DOCUMENT AUTHOR

Name JAMSTEC/CEIST
E-mail fora_req@jamstec.go.jp

DATASET CREATOR

Name JAMSTEC/CEIST
E-mail fora_req@jamstec.go.jp
Name Meteorological Research Institute

DATE OF THIS DOCUMENT

2018-12-16

DATE OF DATASET

  • publication : 2016-01-20

DATASET OVERVIEW

Abstract

Four-dimensional Variational Ocean ReAnalysis for the Western North Pacific (FORA-WNP30) is the first-ever dataset covering the western North Pacific over the last three decades (1982-2014) at eddy-resolving resolution. This is the cooperative work of Japan Agency for Marine-Earth Science and Technology (JAMSTEC) and Meteorological Research Institude, Japan Meteorological Agency (JMA/MRI) using the Earth Simulator.

FORA-WNP30 was produced by using MRI Multivariate Ocean Variational Estimation system, version of 4-dimensional variational method (MOVE-4DVAR; Usui et al. 2015), the data assimilation system developed by the JMA/MRI. MOVE-4DVAR uses MRI.COM-WNP (Tsujino et al. 2006), eddy-resolving ocean model for Western North Pacific developed by JMA/MRI, as the forward model of ocean and sea ice.

The settings of the assimilation system are as follows:

- Ocean and sea ice model

* Domain: 117°E-160°W, 15°N-65°N

* Horizontal resolution: 1/10° (1/6° east of 160°E) longitude × 1/10° (1/6° north of 50°N) latitude

* Number of vertical levels: 54 levels (0-6300m)

- Assimilation method

* Ocean: 4-dimensional variational method

* Sea ice: objective analysis by minimum variance estimation and nudging

* Assimilation cycle: 3 cycles in a month (day 1 to 10, 11 to 20, 21 to the end of month in each month), sea ice is nudeged to the daily analysis.

- Assimilated observation

* In situ temperature and salinity profiles from WOD2013 and GTSPP (0-1500m)

* Gridded SST made by merging satellite and in situ observations (MGDSST; Kurihara et al., 2006 [in Japanese])

* SLA by satellites (TOPEX/Poseidon, Jason-1/2, ERS-1/2, Envisat, GFO, Cryosat)

* SSM/I sea ice concentration data

- Atmospheric forcing

* daily-mean of JRA-55 (Kobayashi et al., 2015)

- Analysis period

* Jan. 1, 1982 to Dec. 31, 2014

Topic Category(ISO19139)

  • oceans

  • environment

Temporal Extent

Begin Date 1982-01-01
End Date 2014-12-31
Temporal Characteristics Daily

Geographic Bounding Box

North bound latitude 65
West bound longitude 116.8
Eastbound longitude 200.25
South bound latitude 14.8

Grid

Dimension Name Dimension Size (slice number of the dimension) Resolution Unit
row 673 6 (minute)
column 442 6 (minute)
vertical 54 (m)

Keywords

Keywords on Dataset

Keyword Type Keyword Keyword thesaurus Name
theme [Oceans ] > [Ocean Circulation ] > [Eddies ], [Oceans ] > [Ocean Circulation ] > [Ocean Currents ], [Oceans ] > [Ocean Circulation ] > [Wind-driven Circulation ] GCMD_science
theme Models > GCM 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

Distribution Information

name version specification
netCDF 1.0 CF-1.6

USE CONSTRAINTS

Data Policy by Data Provider

1. The dataset is available for free for scientific and educational purposes. If you wish to use the dataset for non-scientific or non-educational purposes, please inform us in advance and follow our instructions.

2. The source of the dataset should be accordingly acknowledged and the article below should also be referred in scientific or technical papers, publications, press releases or other communications regarding the dataset.

Usui et al., 2016, Four-dimensional Variational Ocean Reanalysis: A 30-year high-resolution dataset in the western North Pacific (FORA-WNP30). J. Oceanogr., submitted.

3. Users should provide JAMSTEC/CEIST a copy or URI of their scientific or technical papers, publications, press releases or other communications regarding the dataset.

4. Users are not permitted to redistribute, deliver, or sell the dataset to public.

[Constraints and Disclaimer] 1. The copyright and intellectual property right of the dataset belong to JAMSTEC and JMA/MRI. Please note that although JAMSTEC and JMA/MRI have paid the close attention to produce the dataset, JAMSTEC and JMA/MRI assume no responsibility regarding the reliability of the dataset.

[Constraints and Disclaimer] 2. JAMSTEC and JMA/MRI are not responsible to users for any damage that may be caused by the use of the dataset.

Data Policy for Project

Data Integration and Analysis System

The terms of data use of data providers take first priority over the DIAS data usage policy. In the event a data provider has not established terms of use, the following DIAS project data terms of use apply.

1. Users shall prioritize and abide by terms of use stipulated by a data provider in the event such exist

2. The use of DIAS data sets is limited to research and educational purposes [*1]

3. Users shall not modify the content of DIAS data sets

4. Users shall not provide the content of DIAS data sets to third parties

5. In the event of using DIAS data sets in an academic presentation, paper, article, or report, etc., users shall cite in parenthesis the text given as the data citation

6. In the event of using DIAS data sets in an academic presentation, paper, article, or report, etc., users shall submit a copy of the work (an offprint in the case of a paper, or a copy of the lecture summary in the case of an oral or poster presentation) to the DIAS office below

[*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 the DIAS Office for more details.

[DIAS Office]

E-mail: dias-office@diasjp.net

Remote Sensing Technology Center of Japan

TOKYU REIT Toranomon Building 2F 3-17-1 Toranomon, Minato-ku, Tokyo, 105-0001

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

This study utilized the dataset ‘Four-dimensional Variational Ocean Reanalysis for the western North Pacific’ (FORA-WNP30), which was produced by Japan Agency for Marine-Science and Technology (JAMSTEC) and Meteorological Research Institute of Japan Meteorological Agency (JMA/MRI).

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

Usui, N., T. Wakamatsu, Y. Tanaka, N. Hirose, T. Toyoda, S. Nishikawa, Y. Fujii, Y. Takatsuki, H. Igarashi, H. Nishikawa, Y. Ishikawa, T. Kuragano and M. Kamachi. Four-dimensional Variational Ocean Reanalysis: A 30-year high-resolution dataset in the western North Pacific (FORA-WNP30).

Journal of Oceanography (submitted).


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