BASE Temperature Data Record (TDR) from the SSM/I and SSMIS Sensors, CSU Version 1
The BASE Temperature Data Record (TDR) dataset from Colorado State University (CSU) is a collection of the raw unprocessed antenna temperature data that has been written into single orbit granules and reformatted into netCDF-4. The temperature data are from the Special Sensor Microwave Imager (SSM/I) and Special Sensor Microwave Imager Sounder (SSMIS) series of passive microwave radiometers carried onboard the Defense Meteorological Satellite Program (DMSP) satellites. This dataset encompasses data from a total of nine satellites including the SSM/I sensors on board DMSP satellites F08, F10, F11, F13, F14, and F15 as well as the SSMIS sensors on board DMSP satellites F16, F17, and F18. The data record covers the time period from July 1987 through the present with a 7 to 10 day latency. The spatial and temporal resolutions of the BASE files correspond to the original resolution of the raw source TDR observations. There are roughly 15 orbits per day with a swath width of approximately 1400 km resulting in nearly global daily coverage. The spatial resolution of the data is a function of the sensor/channel and varies from approximately ~50 km for the lowest frequency channels to ~15km for the high-frequency channels. These files contain all of the information from the original source TDR files with the following changes/additions. The BASE files have been reorganized into single orbit granules with duplicate scans removed, and spacecraft position and velocity based on the TLE (two line element) data have been added for calculating geolocation. With the exception of duplicate scans, none of data from the original TDR files was changed or removed. This BASE TDR dataset is used by CSU as input for the subsequent processing of the final intercalibrated Fundamental Climate Data Record (FCDR). The file format is netCDF-4 with added metadata that follow the Climate and Forecast (CF) Conventions and Attribute Convention for Dataset Discovery (ACDD).
Dataset Citation
- Cite as: Kummerow, C., W. Berg, M. Sapiano, J. Horsman, D. McKague, and NOAA CDR Program (2013): BASE Temperature Data Record (TDR) from the SSM/I and SSMIS Sensors, CSU Version 1. [indicate subset used]. NOAA National Centers for Environmental Information. [access date].
Dataset Identifiers
- NCEI DSI 3610_01
- gov.noaa.ncdc:C00788
ISO 19115-2 Metadata
gov.noaa.ncdc:C00788
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Ordering Instructions | Contact NCEI for other distribution options and instructions. |
Distributor |
NOAA National Centers for Environmental Information ncei.info@noaa.gov |
Dataset Point of Contact | NOAA Climate Data Record Program Office DOC/NOAA/NESDIS/NCEI > National Centers for Environmental Information, NESDIS, NOAA, U.S. Department of Commerce +1 (828) 271-4800 csu_ssmis_contacts@noaa.gov |
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Time Period | 1987-07-09 to Present |
Spatial Bounding Box Coordinates |
West: -180.0
East: 180.0
South: -90.0
North: 90.0
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Edition | Version 1 |
Data Presentation Form | Digital image |
Dataset Progress Status | Ongoing - data is continually being updated |
Data Update Frequency | Daily |
Purpose | This BASE TDR dataset preserves the long-term original TDR record in an easy to read self-describing format that simplifies subsequent re-use and data processing. |
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Global Change Master Directory (GCMD) Science Keywords
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Global Change Master Directory (GCMD) Data Center Keywords
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Global Change Master Directory (GCMD) Platform Keywords
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Global Change Master Directory (GCMD) Instrument Keywords
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Global Change Master Directory (GCMD) Location Keywords
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Data Resolution keywords |
Global Change Master Directory (GCMD) Horizontal Data Resolution Keywords
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Last Modified: 2023-06-23
For questions about the information on this page, please email: ncei.info@noaa.gov
For questions about the information on this page, please email: ncei.info@noaa.gov