International Satellite Cloud Climatology Project (ISCCP) B1 Uniform (B1U) Dataset
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electronicMailAddress: ncei.info@noaa.gov
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linkage: https://www.ncei.noaa.gov/contact
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description: Information for contacts at NCEI.
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dateStamp: 2023-06-23
metadataStandardName: ISO 19115-2 Geographic Information - Metadata - Part 2: Extensions for Imagery and Gridded Data
metadataStandardVersion: ISO 19115-2:2009(E)
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citation: (CI_Citation)
title: International Satellite Cloud Climatology Project (ISCCP) B1 Uniform (B1U) Dataset
alternateTitle: ISCCP B1U
date: (CI_Date)
date: 2008
dateType: (CI_DateTypeCode) publication
date: (CI_Date)
date: 2006-02-01
dateType: (CI_DateTypeCode) creation
identifier: (MD_Identifier)
code: NCEI DSI 2010_01
identifier: (MD_Identifier)
code: gov.noaa.ncdc:C01551
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organisationName: DOC/NOAA/NESDIS/NCEI > National Centers for Environmental Information, NESDIS, NOAA, U.S. Department of Commerce
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abstract: Data are collected from the suite of weather satellites operated by several nations and processed into B1 data by several groups in government agencies, laboratories, and universities. Data is submitted in multiple formats, depending on the satellite and nation submitting the data. In order to alleviate complexity when creating satellite products, NCEI processes the data into the B1 Uniform (B1U) format, which is used in multiple satellite products. Data are included in the ISCCP H-Series collection, but are a intended as a standalone interim product on their own. Data Variables: The primary data variable are the satellite radiance scans: the images. The following is a list of the more prevalent imagery: IRWIN - Infrared window channel image (~11 microns) VSCHN - Visible Channel image.(~0.6 microns) IRWVP - Infrared Water Vaport Channel (~6.7 microns) IRSPL - Split Window IR channel (~12 microns) There are many other channels. See documentation for list. The various file headers contain information on - navigation (i.e., calculating lat/lons for each pixel and vice versa) - calibration (i.e., calculating physical values for each image count ... e.g., converting counts to temperature) - timing (to calculate the time of each scan line). - and more Measurement resolution is dependent on the source geostationary instrument. The scans were spatially subsampled to reduce the file sizes. This often results in a spatial resolution of 8 - 10 km near satellite nadir (the resolution decreases away from this point). The images are provided every 3 hours near (but not exactly at) synoptic hours (00, 03, 06, ..., 21 UTC). The spatial coverage spans the globe (longitudinally) but geostationary satellites can't really observe the poles. The latitudinal extent is about 65 degrees. The temporal coverage begins in the 1978 for early SMS satellites. Each satellite will have a different temporal span than another. The globe (longitudinally) can be considered covered beginning in 1982 when there were two satellites of the Western Hemisphere, one at the Prime Meridian and another over the Western Pacific (4 total). The true global coverage (5 satellites) began in 1998.
purpose: The B1U dataset enables researchers to manipulate the raw data that has been received via the ISCCP Program over the past 30 years in a single consistent format. The primary use is climatological - The data provide reduced resolution data that allows global reprocessing at climate time scales (not currently possible with full resolution geostationary data).
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deliveryPoint: 151 Patton Avenue
deliveryPoint: Veach-Baley Federal Building, Room 468
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fileName: https://www.ncei.noaa.gov/pub/data/metadata/images/C01551_ISCCP-B1U.jpg
fileDescription: Sample image of ISCCP B1U IRWIN channel during the "Storm of the Century" Blizzard. (1993-03-13-21)
fileType: JPEG
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keyword: Earth Science > Atmosphere > Clouds
keyword: Earth Science > Atmosphere > Clouds > Cloud Properties
keyword: Earth Science > Atmosphere > Atmospheric Radiation
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title: Global Change Master Directory (GCMD) Science Keywords
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organisationName: Global Change Data Center, Science and Exploration Directorate, Goddard Space Flight Center (GSFC) National Aeronautics and Space Administration (NASA)
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keyword: Atmospheric - Upper-air - Cloud Properties
keyword: Atmospheric - Upper-air - Earth Radiation Budget
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title: Global Climate Observing System (GCOS) Essential Climate Variables (ECVs)
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date: 2017
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keyword: Vertical Location > Land Surface
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keyword: ISCCP > International Satellite Cloud Climatology Project
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keyword: Earth Remote Sensing Instruments
keyword: Passive Remote Sensing
keyword: Spectrometers/Radiometers
keyword: Imaging Spectrometers/Radiometers
keyword: AVHRR > Advanced Very High Resolution Radiometer
keyword: AVHRR-2 > Advanced Very High Resolution Radiometer-2
keyword: AVHRR-3 > Advanced Very High Resolution Radiometer-3
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keyword: GOES-9 > Geostationary Operational Environmental Satellite 9
keyword: METEOSAT-2
keyword: METEOSAT-3
keyword: METEOSAT-4 > Meteosat Operational Programme 1 (MOP-1)
keyword: METEOSAT-5 > Meteosat Operational Programme 2 (MOP-2)
keyword: METEOSAT-6 > Meteosat Operational Programme 3 (MOP-3)
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keyword: GOES-6 > Geostationary Operational Environmental Satellite 6
keyword: GOES-7 > Geostationary Operational Environmental Satellite 7
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keyword: GOES-10 > Geostationary Operational Environmental Satellite 10
keyword: GOES-11 > Geostationary Operational Environmental Satellite 11
keyword: GOES-4 > Geostationary Operational Environmental Satellite 4
keyword: GOES-5 > Geostationary Operational Environmental Satellite 5
keyword: GOES-8 > Geostationary Operational Environmental Satellite 8
keyword: GOES-12 > Geostationary Operational Environmental Satellite 12
keyword: GOES-13 > Geostationary Operational Environmental Satellite 13
keyword: GOES-15 > Geostationary Operational Environmental Satellite 15
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keyword: Hourly - < Daily
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title: Global Change Master Directory (GCMD) Temporal Data Resolution Keywords
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keyword: 10 km - < 50 km or approximately .09 degree - < .5 degree
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title: Global Change Master Directory (GCMD) Horizontal Data Resolution Keywords
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keyword: > 1 km
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title: Global Change Master Directory (GCMD) Vertical Data Resolution Keywords
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title: Global Change Master Directory (GCMD) Data Center Keywords
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resourceConstraints: (MD_Constraints)
useLimitation: Spatial sampling limits resolution to roughly 8 km.
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useLimitation: Temporal sampling can't resolve phenomena at times more than every 3 hours.
resourceConstraints: (MD_Constraints)
useLimitation: The early data (prior to 2012) most of the data were dynamically redused to 8-bit values (0-255). More recent data is generally at the full satellite resolution (e.g., up to 10-12 bits).
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useLimitation: See associated documentation for a full description of use limitations.
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otherConstraints: Cite as: Knapp, K. R. (2008): "International Satellite Cloud Climatology Project (ISCCP) B1 Uniform (B1U) Dataset [indicate subset used]." NOAA National Centers for Environmental Information. [indicate access date]
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otherConstraints: Users should also cite Knapp (2008) when using the ISCCP-B1 data or other ISCCP-B1 imagery or GIBBS imagery in a publication or website. Knapp, K. R., 2008: Scientific data stewardship of International Satellite Cloud Climatology Project B1 global geostationary observations. Journal of Applied Remote Sensing, 2, 023548, doi:10.1117/1.3043461
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otherConstraints: Distribution liability: NOAA and NCEI make no warranty, expressed or implied, regarding these data, nor does the fact of distribution constitute such a warranty. NOAA and NCEI cannot assume liability for any damages caused by any errors or omissions in these data. If appropriate, NCEI can only certify that the data it distributes are an authentic copy of the records that were accepted for inclusion in the NCEI archives.
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otherConstraints: Use liability: NOAA and NCEI cannot provide any warranty as to the accuracy, reliability, or completeness of furnished data. Users assume responsibility to determine the usability of these data. The user is responsible for the results of any application of this data for other than its intended purpose.
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title: International Satellite Cloud Climate Project (ISCCP) Climate Data Record (CDR) - H Series Data
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name: International Satellite Cloud Climate Project (ISCCP) Climate Data Record (CDR) - H Series Data
description: The ISCCP H-Series CDR was created using the B1U dataset. The B1U collection was submitted as part of the H-Series data collection.
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title: Scientific data stewardship of International Satellite Cloud Climatology Project B1 global geostationary observations (Science Paper)
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language: eng; USA
topicCategory: (MD_TopicCategoryCode) climatologyMeteorologyAtmosphere
environmentDescription: ISCCP B1U data are processed in Linux servers using IDL software.
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westBoundLongitude: -180.0
eastBoundLongitude: 180.0
southBoundLatitude: -70
northBoundLatitude: 70
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description: ground condition
beginPosition: 1982-01-01
endPosition:
timeInterval: 3
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fees: In most cases, electronic downloads of the data are free. However, fees may apply for custom orders, data certifications, copies of analog materials, and data distribution on physical media.
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dataQualityInfo: (DQ_DataQuality)
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statement: NCEI produces ISCCP B1U data directly from ISCCP B1 data. The B1 files currently are (and historically have been) sent to NCEI by numerous providers. The original means were 9 track tapes and most recently files are delivered electronically. Each agency provided the file in their own format. This mean that even the same satellite can have different formats if there are different providers for the data (e.g., Canada's AES and NCEI produced GOES 8 data or both CSU abd UWS provided data for early GOES satellites). Thus, the primary purpose of B1U is to reduce the number of decoders needed to read the data from dozens to 1.
processStep: (LE_ProcessStep)
description: Reformat data and write to file in the B1U binary format.
rationale: Each agency provided the file in their own format. This mean that even the same satellite can have different formats if there are different providers for the data (e.g., Canada's AES and NCEI produced GOES 8 data or both CSU abd UWS provided data for early GOES satellites). Thus, the primary purpose of B1U is to reduce the number of decoders needed to read the data from dozens to 1.
dateTime: (missing)
processor: (CI_ResponsibleParty)
organisationName: DOC/NOAA/NESDIS/NCEI > National Centers for Environmental Information, NESDIS, NOAA, U.S. Department of Commerce
role: (CI_RoleCode) processor
source: sd001
processingInformation: (LE_Processing)
identifier: (missing)
algorithm: (LE_Algorithm)
citation: (CI_Citation)
title: B1U Data Format
date: (CI_Date)
date: 2006-01-26
dateType: (CI_DateTypeCode) publication
citedResponsibleParty: (CI_ResponsibleParty)
organisationName: DOC/NOAA/NESDIS/NCEI > National Centers for Environmental Information, NESDIS, NOAA, U.S. Department of Commerce
role: (CI_RoleCode) author
citedResponsibleParty: (CI_ResponsibleParty)
organisationName: (missing)
contactInfo: (CI_Contact)
onlineResource: (CI_OnlineResource)
linkage: ftp://eclipse.ncdc.noaa.gov/san1/isccp/b1/B1_Unified_Format_Description.pdf
applicationProfile: Web Browser
name: B1U Data Format
description: ISCCP B1U Data Format
function: (CI_OnLineFunctionCode) information
role: (missing)
description: See Algorithm Citation
source: (LE_Source)
description: B1 data
sourceCitation: (CI_Citation)
title: ISCCP B1 Data
date: (missing)
citedResponsibleParty: (CI_ResponsibleParty)
organisationName: DOC/NOAA/NESDIS/NCEI > National Centers for Environmental Information, NESDIS, NOAA, U.S. Department of Commerce
role: (CI_RoleCode) custodian
citedResponsibleParty: (CI_ResponsibleParty)
organisationName: (missing)
contactInfo: (CI_Contact)
onlineResource: (CI_OnlineResource)
linkage: https://www.ncei.noaa.gov/metadata/geoportal/rest/metadata/item/gov.noaa.ncdc:C00576/html
protocol: HTTPS
applicationProfile: Web Browser
name: ISCCP B1 Data
description: Source dataset landing page with general information and access links for that dataset.
function: (CI_OnLineFunctionCode) information
role: (missing)
sourceExtent: (EX_Extent)
geographicElement: (EX_GeographicBoundingBox)
extentTypeCode: 1
westBoundLongitude: 180
eastBoundLongitude: 180
southBoundLatitude: 70
northBoundLatitude: 70
temporalElement: (EX_TemporalExtent)
extent:
TimePeriod:
beginPosition: 1978-01-01
endPosition:
sourceStep: ps001
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dataQualityInfo: (DQ_DataQuality)
scope: (DQ_Scope)
level: (MD_ScopeCode) repository
levelDescription: (MD_ScopeDescription)
other: NOAA National Centers for Environmental Information
lineage: (LI_Lineage)
processStep: (LE_ProcessStep)
description: NOAA created the National Centers for Environmental Information (NCEI) by merging NOAA's National Climatic Data Center (NCDC), National Geophysical Data Center (NGDC), and National Oceanographic Data Center (NODC), including the National Coastal Data Development Center (NCDDC), per the Consolidated and Further Continuing Appropriations Act, 2015, Public Law 113-235. NCEI launched publicly on April 22, 2015.
dateTime:
DateTime: 2015-04-22T00:00:00
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metadataMaintenance: (MD_MaintenanceInformation)
maintenanceAndUpdateFrequency: (MD_MaintenanceFrequencyCode) asNeeded
maintenanceNote: Bulk metadata change applied on 2023-06-23. See version control repository history for metadata change details.
