International Satellite Cloud Climatology Project, D-Series (Superseded)
ISCCP D-Series
**ISCCP D-Series has been superseded by a newer version. Users should not use ISCCP D-Series except in rare cases (e.g., when reproducing previous studies that used the ISCCP D-Series).** ISCCP was established in 1982 as part of the World Climate Research Programme (WCRP) to collect and analyze satellite radiance measurements to infer the global distribution of clouds, their properties, and their diurnal, seasonal, and interannual variations. Period of record is July 1, 1983 through December 31, 2009. ISCCP D-Series dataset consists of the following products: (1) D1 - Cloud products gridded to 2.5 deg at 3 hourly time steps. This includes about 200 variables, including cloud products, ancillary data and static data. (2) D2 - Monthly averages of cloud products gridded to 2.5 degree. This includes many variables and processing inputs (e.g., ancillary data) as well as outputs (cloud products, etc.). D2 data are temporal averages of the D1 data. (3) DX - Pixel level cloud products in the satellite-projection. This data is roughly 32 km and 3 hourly. This data is used to derive the D1 product. In addition, there are ancillary data files included with the archive; these inputs that are used to create the D-series data.
- Cite as: Russow, William, et al. (2009): International Satellite Cloud Climatology Project, D-Series [indicate subset used]. NOAA National Centers for Environmental Information. [access date].
- NCEI DSI 3645_01
- gov.noaa.ncdc:C00976
C00976
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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 | Customer Engagement Branch
NOAA National Centers for Environmental Information 1-828-271-4800 ncei.orders@noaa.gov |
Time Period | 1983-07-01 to 2009-12-31 (time interval: 3-hour) |
Spatial Bounding Box Coordinates |
N: 90.0
S: -90.0
E: 180.0
W: -180.0
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Data Presentation Form | mapDigital
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Dataset Progress Status | Complete - production of the data has been completed |
Data Update Frequency | Not planned |
Supplemental Information |
The following inputs (ancillary data) used in the ISCCP D-level processing are also included in the archive: (1) TV - Atmospheric temperature and water vapor data used in cloud product retrievals. (2)IS - Ice and Snow data. (3) LW - Land/water mask used in ISCCP processing. (4) OA - Orbit/attitude data--this was provided for a few satellites and represents data used to navigate the satellite data (i.e., convert satellite pixel to Earth location); most providers included this data within the B1 file, but this data is from one specfiic provider that provided navigation information in a separate file. See documentation for more information about ISCCP D-Series input files.
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Purpose | The ISCCP datasets and analysis products are being used to improve understanding and modeling of the role of clouds in climate, with the primary focus being the elucidation of the effects of clouds on the radiation balance. These data can also used to support many other cloud studies, including understanding of the hydrological cycle. |
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Theme keywords | Global Change Master Directory (GCMD) Science Keywords
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Data Center keywords | Global Change Master Directory (GCMD) Data Center Keywords
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Platform keywords | Global Change Master Directory (GCMD) Platform Keywords
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Instrument keywords | Global Change Master Directory (GCMD) Instrument Keywords
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Place keywords | Global Change Master Directory (GCMD) Location Keywords
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Project keywords | Global Change Master Directory (GCMD) Project Keywords
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Data Resolution keywords | Global Change Master Directory (GCMD) Horizontal Data Resolution Keywords
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Stratum keywords | Global Change Master Directory (GCMD) Location Keywords
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Lineage Statement | The ISCCP algorithm is well described in the peer-reviewed manuscripts as well as NASA ISCCP cloud package documentation. |
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Last Modified: 2023-06-23
For questions about the information on this page, please email: ncei.info@noaa.gov