SSMI(S) Hydrological Products
(MI_Metadata)
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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: SSMI(S) Hydrological Products
date: (CI_Date)
date: 2012-09-01
dateType: (CI_DateTypeCode) publication
date: (CI_Date)
date: 2017-11-01
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edition: Version 1
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Anchor: DOI doi:10.7289/V5QF8R3K
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code: NCEI DSI 3652_01
identifier: (MD_Identifier)
code: gov.noaa.ncdc:C00789
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individualName: Hilawe Semunegus
organisationName: DOC/NOAA/NESDIS/NCDC > National Climatic Data Center, NESDIS, NOAA, U.S. Department of Commerce
role: (CI_RoleCode) principalInvestigator
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individualName: Hilawe Semunegus
organisationName: DOC/NOAA/NESDIS/NCDC > National Climatic Data Center, NESDIS, NOAA, U.S. Department of Commerce
role: (CI_RoleCode) author
citedResponsibleParty: (CI_ResponsibleParty)
individualName: Ralph Ferraro
organisationName: DOC/NOAA/NESDIS/STAR > Center for Satellite Applications and Research, NESDIS, NOAA, U.S. Department of Commerce
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individualName: Ralph Ferraro
organisationName: DOC/NOAA/NESDIS/STAR > Center for Satellite Applications and Research, NESDIS, NOAA, U.S. Department of Commerce
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abstract: The Special Sensor Microwave/Imager (SSM/I) and Special Sensor Microwave Imager-Sounder (SSMIS) have been making measurements of earth-emitted microwave radiation for over two decades. Antenna temperature data from these sensors are used to derive both atmospheric and surface hydrological parameters and to generate these global monthly mean products. Specifically, this includes monthly or 5-day estimates of rainfall and its frequency, cloud liquid water and cloud frequency, water vapor, liquid water path, snow cover frequency, satellite sampling frequency and various imagery. The data collection consists of five different products: the Monthly 2.5 Degree Gridded Dataset, the Monthly 1.0 Degree Gridded Dataset, the Pentad 2.5 Degree Gridded Dataset, Imagery, and specially formatted files used in the Global Precipitation Climatology Project Dataset (GPCP). All data in this collection (except the Pentad and Imagery datasets) extend from July 1987 until present. Monthly 2.5 Degree Gridded Dataset Products included in this domain are taken from early orbits and include: mean cloud fraction (cfr), mean sea-ice cover (ice), liquid water path (lwp), mean rain fraction (pf2), rainfall (pr1), snow cover fraction (snw), mean sampling fraction (ssa), and mean total precipitable water (wvp). Products are averaged to 2.5 degree lat × 2.5 degree long grids. Imagery This dataset portrays monthly estimates of precipitable water (wvp), liquid water path (lwp), rainfall (pr1), and snow cover in both color and black and white. This domain of the SSM/I and SSMIS archive includes images of data from January 2006 to the present. GPCP Input files This time series domain of the SSM/I and SSMIS archive is formatted for the production of GPCP (Global Precipitation Climatology Project) datasets. The dataset is processed using early and late orbits plus a special "dual" orbit that combines the early and late satellite data. Products include rainfall (pr1 and pr2) and mean sampling fraction (ssa). The product is averaged to 2.5 degrees lat × 2.5 degrees long grids. Binary All data is also available in a legacy binary format, with the addition of a daily and pentad product. Products included in the daily domain are taken from early orbits and include: mean cloud fraction (cfr), mean sea-ice cover (ice), liquid water path (lwp), mean rain fraction (pf2), rainfall (pr1), snow cover fraction (snw), mean sampling fraction (ssa), and mean total precipitable water (wvp). Products are averaged to 1 lat x 1 long grids. Products included in Pentad domain are taken from specific satellite orbits and include: mean cloud fraction (cfr), mean sea-ice cover (ice), liquid water path (lwp), mean rain fraction (pf1 and pf2), rainfall (pr1 and pr2), snow cover fraction (snw), mean sampling fraction (ssa), and mean total precipitable water (wvp). Products are averaged to 2.5 lat x 2.5 long grids using 5-day estimates of rainfall and its frequency, cloud liquid water and cloud frequency, water vapor, liquid water path, snow cover frequency, satellite sampling frequency and various imagery. Pentad data only includes data from March 2008 to present. For a complete description of these products, please refer to all associated documentation.
purpose: This product is used to detect anomalies in precipitation patterns on a global scale. These products are useful for evaluating mean global precipitation, its interannual and seasonal variations, and the detection of anomalies associated with large-scale (e.g. ENSO, Arctic Oscillation) and regional climatic variations. Current users include members of the GPCP and the Climate Prediction Center, as well as various academic/government researchers nationally and internationally. It is a key input data source for the Global Precipitation Climatology Project (GPCP).
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fileDescription: SSMI-SSMIS Hydrological Products image example
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keyword: Earth Science > Cryosphere > Snow/Ice > Snow Cover
keyword: Earth Science > Cryosphere > Sea Ice > Ice Extent
keyword: Earth Science > Atmosphere > Clouds > Cloud Properties > Cloud Frequency
keyword: Earth Science > Atmosphere > Atmospheric Water Vapor
keyword: Earth Science > Atmosphere > Precipitation > Precipitation Rate
keyword: Earth Science > Atmosphere > Atmospheric Water Vapor > Water Vapor Indicators > Total Precipitable Water
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keyword: Atmospheric - Surface - Precipitation
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keyword: Vertical Location > Land Surface
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keyword: SSMIS > Special Sensor Microwave Imager/Sounder
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keyword: DMSP 5D-2/F8 > Defense Meteorological Satellite Program-F8
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keyword: DMSP 5D-3/F15 > Defense Meteorological Satellite Program-F15
keyword: DMSP 5D-3/F16 > Defense Meteorological Satellite Program-F16
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keyword: Monthly Climatology
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keyword: 100 km - < 250 km or approximately 1 degree - < 2.5 degrees
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keyword: DOC/NOAA/NESDIS/NCDC > National Climatic Data Center, NESDIS, NOAA, U.S. Department of Commerce
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useLimitation: In October 2017, 2.5 degree and gpcp-input data files were identified as having the incorrect data date encoded in the netCDF. These files have been replaced in the archive. Users are encouraged to use data files with a create date later than October 18, 2017 to ensure they are using the best quality file.
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otherConstraints: Cite as: Semunegus, Hilawe; Ferraro, Ralph: (2012) SSMI(S) Hydrological Products [indicate subset used]. NOAA National Climatic Data Center. doi:10.7289/V5QF8R3K[indicate access date]
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otherConstraints: Please also cite the following science paper when using this dataset: Vila, D., C. Hernandez, R. Ferraro, and H. Semunegus, 2013: The Performance of Hydrological Monthly Products Using SSM/I-SSMI/S Sensors. J. Hydrometeor., 14, 266-274, https://doi.org/10.1175/JHM-D-12-056.1
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otherConstraints: Please also cite the following science paper when using this dataset: Ferraro, R.R., N.C. Grody, F. Weng, and A. Basist, 1996: An Eight-Year (1987-1994) Time Series of Rainfall, Clouds, Water Vapor, Snow Cover, and Sea Ice Derived from SSM/I Measurements. Bull. Amer. Meteor. Soc., 77, 891-905, https://doi.org/10.1175/1520-0477(1996)077<0891:AEYTSO>2.0.CO;2
resourceConstraints: (MD_LegalConstraints)
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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: An Eight-Year (1987-1994) Time Series of Rainfall, Clouds, Water Vapor, Snow Cover, and Sea Ice Derived from SSM/I Measurements.
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date: 1996-01-01
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code: Issue 77, pp. 891-905
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name: An Eight-Year (1987-1994) Time Series of Rainfall, Clouds, Water Vapor, Snow Cover, and Sea Ice Derived from SSM/I Measurements.
description: Published paper associated with dataset. DOI: http://dx.doi.org/10.1175/1520-0477(1996)077<0891:AEYTSO>>2.0.CO;2
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title: Improved Global Rainfall Retrieval Using the Special Sensor Microwave Imager (SSM/I).
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date: 2010-01-01
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code: 49, 10321043; doi: http://dx.doi.org/10.1175/2009JAMC2294.1
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name: Improved Global Rainfall Retrieval Using the Special Sensor Microwave Imager (SSM/I).
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title: The Performance of Hydrological Monthly Products Using SSM/I - SSMI/S Sensors
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code: 49, 10321043; doi: http://dx.doi.org/10.1175/JHM-D-12-056.1
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name: The Performance of Hydrological Monthly Products Using SSM/I - SSMI/S Sensors
description: Published paper associated with dataset. DOI: http://dx.doi.org/10.1175/JHM-D-12-056.1
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title: GPCP Monthly V2.3
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date: 2017-02-21
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code: DOI: 10.7289/V56971M6
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name: GPCP Monthly V2.3
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language: eng; USA
topicCategory: (MD_TopicCategoryCode) climatologyMeteorologyAtmosphere
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westBoundLongitude: -180.0
eastBoundLongitude: 180.0
southBoundLatitude: -90.0
northBoundLatitude: 90.0
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extent:
TimePeriod:
description: ground condition
beginPosition: 1987-07-01
endPosition:
timeInterval: 1
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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.
orderingInstructions: Contact NCEI for other distribution options and instructions.
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name: netCDF
version: 4
specification: The NetCDF data files comply with the Climate and Forecast (CF) Metadata Conventions and the NetCDF Attribute Convention for Dataset Discovery (ACDD).
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statement: For more information about the production of this dataset, users should review the published science papers associated with the dataset.
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processor: (CI_ResponsibleParty)
organisationName: (missing)
role: (CI_RoleCode) processor
source: sd001
processStep: (LE_ProcessStep)
description: In October 2017, 2.5 degree and gpcp-input data files were identified as having the incorrect data date encoded in the netCDF. These files have been replaced in the archive. Users are encouraged to use data files with a create date later than October 18, 2017, to ensure they are using the best quality file.
dateTime: (missing)
processor: (CI_ResponsibleParty)
organisationName: (missing)
role: (CI_RoleCode) processor
source: (LE_Source)
description: Defense Meteorological Satellite Program
sourceCitation: (CI_Citation)
title: CLASS Search Page for DMSP data
date: (missing)
citedResponsibleParty: (CI_ResponsibleParty)
organisationName: DOC/NOAA/CLASS > Comprehensive Large Array-data Stewardship System, NOAA, U.S. Department of Commerce
role: (CI_RoleCode) distributor
citedResponsibleParty: (CI_ResponsibleParty)
organisationName: (missing)
contactInfo: (CI_Contact)
onlineResource: (CI_OnlineResource)
linkage: https://www.class.noaa.gov/saa/products/search?datatype_family=DMSP
applicationProfile: Web Browser
name: CLASS Search Page for DMSP data
description: Search for SSMI/SSMIS data from the DMSP CLASS data family.
function: (CI_OnLineFunctionCode) information
role: (missing)
sourceExtent: (EX_Extent)
geographicElement: (EX_GeographicBoundingBox)
extentTypeCode: 1
westBoundLongitude: -180.0
eastBoundLongitude: 180.0
southBoundLatitude: -90.0
northBoundLatitude: 90.0
temporalElement: (EX_TemporalExtent)
extent:
TimePeriod:
beginPosition: 1987-07-01
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.
