CISL RDA: RDA Dataset Numbering System

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A quantity that is measured, computed, or derived (e.g. - temperature, precipitation amount, etc.)

The type of data values - e.g. grid (interpolated or computed gridpoints), platform observation (in-situ or remotely sensed measurements, etc.

The time distance between discrete observation measurements, model product valid times, etc. A time resolution of "Hourly to < Daily" means data that occurs more often than once per day but no more often than once per hour.

The entity that acquired or computed the data (e.g. - aircraft, land station, reanalysis model)

The horizontal distance between discrete gridpoints, stations, measurements, etc.

Topic and subtopic are high-level groupings of parameters (e.g. - Atmosphere (topic), Clouds (subtopic of Atmosphere) ).

The scientific project or experiment that acquired the data

Data that were acquired to support a project/experiment (e.g. - GATE) or that can be used as ingest for a project (e.g. - WRF)

The structure of the bitstream used to encapsulate the data values in a record or file (e.g - ASCII, netCDF, etc.)

The name of the location or region for which the data are valid

RDA Dataset Numbering System

The CISL RDA uses a numbering system to group datasets with broadly similar types of data. The table below shows each of our numbering groups and its corresponding description. Click the number range to see all of the datasets that exist in a particular group. You can also view the entire list of dataset titles.

RANGE	DESCRIPTION	RANGE	DESCRIPTION
010.0-039.9	Daily Northern Hemisphere Grids	460.0-479.9	Surface Synoptic Observations
040.0-059.9	Reserved for Future Use	480.0-508.9	Surface Hourly Observations and Precipitation
060.0-069.9	Daily NMC Northern Hemisphere Grids	509.0-524.9	Surface Summary of Day
070.0-079.9	Daily NMC Tropical Grids	525.0-529.9	Climatological Data
080.0-084.9	Daily NMC Global Grids	530.0-549.9	Ship Data
085.0-089.9	Monthly Mean Grids	550.0-559.9	Streamflow Data
090.0-099.9	NCEP Reanalysis Data	560.0-589.9	Monthly Mean Surface Data
100.0-109.9	Daily Southern Hemisphere (and Tropical) Grids	590.0-599.9	Reserved for Future Use
110.0-116.9	ECMWF and USSR Global Grids	600.0-629.9	Meteorological Projects and Experiments
117.0-129.9	ECMWF ERA40 Grids	630.0-669.9	Reserved for Future Use
130.0-133.9	NOAA Reanalysis Data	670.0-673.9	Satellite Data
134.0-179.9	Reserved for Future Use	674.0-680.9	Mesoscale Brightness Data
180.0-192.9	Stratospheric Grids	681.0-704.9	Miscellaneous Satellite Data
193.0-195.9	Time-Series Grids	705.0-711.9	Satellite-Observed Ozone Data
196.0-199.9	Special Climatological Analyses	712.0-749.9	Miscellaneous Satellite Data
200.0-239.9	Climatological and Monthly-Mean Grids	750.0-799.9	Geophysical Data
240.0-249.9	Daily U.S. Navy Hemispheric and Global Grids	800.0-802.9	Miscellaneous Data
250.0-269.9	Oceanographic Data and Analyses	803.0-807.9	Ozone Data
270.0-299.9	Climatological and Monthly-Mean Grids	808.0-839.9	Miscellaneous Data
300.0-349.9	Special Meteorological Analyses	840.0-849.9	Radar Data
350.0-369.9	Upper-Air Observations	850.0-899.9	Miscellaneous Data
370.0-389.9	Special Meteorological Observations	900.0-909.9	Station Library Information
390.0-409.9	Time-Series Raobs	910.0-949.9	Reserved for Future Use
410.0-429.9	Reserved for Future Use	950.0-959.9	Paleoclimatological Data
430.0-439.9	Monthly-Mean Raobs	960.0-989.9	Reserved for Future Use
440.0-459.9	Reserved for Future Use	990.0-999.9	Special Datasets Supporting NCAR Scientists

The Research Data Archive is managed by the Data Support Section of the Computational and Information Systems Laboratory at the National Center for Atmospheric Research in Boulder, Colorado. NCAR is sponsored by the National Science Foundation.

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