The terms and conditions in using this "Data and Sample Research System for Whole Cruise Information (DARWIN)" are posted on this page. Users are requested to read though this page before using.
Handling policy of data and samples obtained by research cruises depends on fiscal year of operation, research vessel used, or type of call for proposals. Data and samples under Public Distribution Moratorium Period defined in the respective handling policy, or those obtained from cruises with no handling policy, are disclosed for public distribution under permission by Principal Investigator or Dive Researcher.
Type of data policy applied to each cruise is indicated on “Data Policy” item in individual data information.
| Cruises with “JAMSTEC” Data Policy | Cruises with “JURCAOS-JAMSTEC” Data Policy | ||||
| Type of Cruise | Handling Policy | Type of Cruise | Handling Policy | ||
| MIRAI Cruises | FY1998 - FY2007 | Handling policy for each FY attached to the research proposal application documents | Cooperative Research Cruises | FY2019 - | “Data and Sample Handling Policy for Cooperative Research Cruises” |
| FY2008 - | JAMSTEC rules for handling data and samples | ||||
| Deep Sea Research Cruises | FY2001 - FY2002 | Follow the handling policy for MIRAI cruise of corresponding FY | |||
| FY2003 - FY2007 | Handling policy for each FY attached to the research proposal application documents | ||||
| FY2008 - | JAMSTEC rules for handling data and samples | ||||
| Other Cruises | FY1981 - FY2007 | no handling policy | |||
| FY2008 - | JAMSTEC rules for handling data and samples | ||||
Please see here for the handling policy for each fiscal year.
Conditions of use of the data and samples provided on this web site depend on the data policy:
| Cruises with “JAMSTEC” Data Policy | Cruises with “JURCAOS-JAMSTEC” Data Policy |
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These conditions may be modified or added if necessary.
Users who wish to use data and samples on this data site for commercial purpose need to make an application to the Data Management Group in advance. "Request for JAMSTEC Data" or "Request for JAMSTEC Samples", via e-mail, fax, or postal mail to the Data Management Group.
Sending address:
Data Management Group,
Yokohama Institute for Earth Sciences,
Japan Agency for Marine-Earth Science and Technology
3173-25 Showa-machi, Kanazawa-ku, Yokohama
Kanagawa 236-0001, Japan
fax : +81-45-778-5424
The office in charge of intellectual property shall make contact with you. For the commercial use of images and films, please make an application at "Image(s)/Footage Request Form".
Data or information on this data site may be changed without notice. Information on such change is to be posted on the "What's new" page. In creating or publishing maps from bathymetry data, regulation on similar publication in the article 25 in the law on hydrographic works may be applied.
When publicizing a result obtained by using data and samples provided through DARWIN or other NUUNKUI data sites, please state an appropriate acknowledgement and/or a citation.
| Cruises with “JAMSTEC” Data Policy | Cruises with “JURCAOS-JAMSTEC” Data Policy | |
| Acknowledgement | Please state the title and URL of data site you used, and describe that you used the JAMSTEC data and/or samples on this data site. | Please state the title and URL of data site you used, and describe that you used the data and/or samples obtained by Cooperation Research Cruise which are provided from this data site. |
| Citation | Please follow the publisher's instruction to cite a data site. State Japan Agency for Marine-Earth Science and Technology (JAMSTEC) as the contributor of data site, if needed. The following is an example for citation;
"Japan Agency for Marine-Earth Science and Technology (2016) Data and Sample Research System for Whole Cruise Information in JAMSTEC (DARWIN). http://www.godac.jamstec.go.jp/darwin/, Accessed on yyyy-mm-dd." |
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DOIs are currently assigned to DARWIN data items, starting with cruise data pages. For DOI citation, please refer to the “DOI” item in individual data page.
Users are requested to send a Publication Report to the responsible office, to report a publication of results obtained by using data and samples provided through this data site.
| Cruises with “JAMSTEC” Data Policy | Cruises with “JURCAOS-JAMSTEC” Data Policy |
| Publication Report (for JAMSTEC Cruise) [JAMSTEC office] 
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Publication Report (for Cooperative Research Cruise: under preparation) [CRC office]  |
In general, we provide Quality-Controlled or Corrected data on this data site, although there are still some raw data for which quality control process is not yet applied. Please check for the data information before using.
The quality control levels on this data site are following,
| quality level | expression | standard process |
| low | Raw | Original data as of the end of the cruise (Just converted to physical property or preliminarily processed onboard) |
| middle | Processed (DMO)-Basic |
Derived values processed by Data Management Office from raw data without quality control |
| high | Processed (DMO)-QCed |
Routinely quality controlled (adding quality flags or conversion to missing value) data by Data Management Office |
| very high | Processed (DMO)-Corrected |
Corrected (correction with calibration data, evaluation of errors or filtering out of low reliable data) data by Data Management Office |
| Processed (DMO/PI) | Data includes both processed data by Principal Investigator and Data Management Office | |
| Processed (PI) | Processed data by Principal Investigator |
⋅ Data Management Office indicates Data management Group.
⋅ Data Management Office routinely makes "Processed Data（DMO)".
⋅ Some data may not be quality controlled.
⋅ The level of quality control may differ with the type of data.
⋅ "Processed(PI) is data processed and submitted by researchers. QC levals rely on datasets.
⋅ Once data in higher level is available, the lower level data will be replaced on the web by the higher level data. Anyone who wants to have "Raw data" or others is encouraged to contact us.
On cruise data pages, some data (or report) items may be listed with no link to relevant data file (or document), because of such following reasons;
⋅ The data is under public distribution moratorium period.
⋅ The data is not submitted by the science party yet.
⋅ Data disclosure process is not finished.
⋅ Data handling policy is not determined for data disclosure.
⋅ The data is decided to be closed, etc.
For requesting these undisclosed data, please contact the Data Management Office (
). Then Data Management Office will check for the availability of the data in response.
Note that you may have to obtain a permission of data use from Chief Scientist or other onboard scientists (such as dive researcher), and that there is a possibility for that we cannot provide the requested data, depending on the situation.
Please refer to the "Application for Data and Samples" page for details for requesting offline data.
Please follow the following conditions to provide links to this data site from web pages outside JAMSTEC.
) and get a permission. However, it is not necessary to have a permission for DOI citation.
Except for the policy of links the Site Policy of JAMSTEC will be applied.
Data used for background maps for cruise track are in the following.
Science keywords of this data site follow the Global Change Master Directory (GCMD) 's keywords.
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