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Management of China Delayed Mode Database for NEAR-GOOS (CDMDB)

  • Principles for establishment of China Delayed Mode Data Base (CDMDB) for NEAR-GOOS

As a regional pilot project of the Global Ocean Observing System (GOOS), the North-East Asian Regional GOOS (NEAR-GOOS) is being implemented by China, Japan, the Republic of Korea and the Russian Federation. NEAR-GOOS aims to full use of the oceanographic data in the North-East Asian region´╝îand to provide data and data products for the regional disaster mitigation and prevention, integrated marine management, marine environmental forecasting, scientific researches and marine resource development. China is a major participating country in NEAR-GOOS. Chinese oceanographic data and information play a very important role in the marine research and development in this region. The following principles have been adopted to establish the NEAR-GOOS CDMDB: 

  • Gathering extensively the oceanographic data and data products related to the NEAR-GOOS
  • Providing oceanographic data and information product, free of charge, to all the NEAR-GOOS users through Internet
  • Encouraging the users of the NEAR-GOOS to contribute by all means their own data and information to set up the exchange and sharing mechanism for oceanographic data and information
  • Developing new data products according to NEAR-GOOS service objective and in accordance with the characteristics of delayed data
  • Considering the linking with GOOS system and contribution to the implementation of GOOS project
  • CDMDB service mode

The CDMDB is accessible to all users who are interested in obtaining or providing data. Users from all the countries in the world are welcomed to use CDMDB and to conduct data exchange and sharing. All the users who are willing to obtain data from and contribute data to the databases are able to access the CDMDB through Internet. Registration is required to ensure the security of the database, maintain the effective utilization and to properly manage the database. Only the registered users can access to CDMDB and download the datasets. Now registration is open online. Users can get data with registered user's name through registration system.

  • CDMDB management and operating mechanism

The National Marine Data and Information Service (NMDIS) takes responsibilities for the maintenance and management of CDMDB, including data collection and quality control, data loading, data transferring from RTDB to DMDB, development of data products, monitoring the uses of the databases and further development of database management techniques, etc..
The data stored at CDMDB will be updated once every month. The NEAR-GOOS working group at NMDIS is responsible for data updating and periodically submitting reports on the uses of the databases, and proposing suggestions on the further development of the databases to the SOA, IOC, and the NEAR-GOOS Coordinating Committee.

  • Types of products and data

The following five types of data are available in the CDMDB at present:

Buoy Data

Buoy data are provided by NMEFC (National Marine Environmental Forecasting Center) of China, MOMAF (Ministry of Maritime Affairs and Fisheries) of Korea, and KMA (Korea Meteorological Administration).

For detailed information of file format click here.

Ships of Opportunity Data

Ships of opportunity data are provided by NMEFC (National Marine Environmental Forecasting Center) of China.

For detailed information of file format click here.

Station Data

Station data are provided by NMEFC (National Marine Environmental Forecasting Center) of China and NMDIS (National Marine Data and Information Services) of China.

There are three types as follows:

  • Temperature and Salinity Data
  • Wave and Wind Data
  • Station Data

For detailed information of file format click here.

SST Data

SST Data are satellite remote-sensing SST data.

GTS Data

GTS data are provided by NMEFC (National Marine Environmental Forecasting Center) of China.

There are three types as follows:

  • Radiosounding Data
  • Surface Meteorological Data
  • Ship Meteorological Data

For detailed information of file format click here.

  • Registration

Users that intend to register in the CDMDB are requested to provide the following information:

  • User Name
  • Password
  • Given Name
  • Family Name
  • Purpose for using the data
  • Organization
  • E-mail
  • Telephone


 NEAR-GOOS Member Countries:          

NMDIS, SOA hosts the CDMDB for NRARGOOS web site
Document maintained by cdmdb@mail.nmdis.gov.cn
Updated: Nov 30, 2015 11:38:05 GMT+8
http://near-goos.coi.gov.cn