Chesapeake Bay (M130) Bathymetric Digital Elevation Model - NOAA/NOS Estuarine Bathymetry
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title: Chesapeake Bay (M130) Bathymetric Digital Elevation Model - NOAA/NOS Estuarine Bathymetry
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date: 2017-12-11
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issueIdentification: Chesapeake Bay
abstract: A 1/3 arc-second Mean Lower Low Water bathymetric DEM of NOS hydrographic survey data in the Chesapeake Bay Estuary.
purpose: The objective of this project is to update NOAA NOS Estuarine Bathymetry Digital Elevation Models (DEMs), gridded representations of bathymetry for various estuaries in the United States, that were initially created in 1998 by the now defunct NOS Special Projects Office. Although these data still represent the “best available” gridded depictions of bathymetry in some locations, they are primarily based on antiquated historical data and do not include many modern survey data, in particular, high resolution BAG format hydrographic data. NCEI will identify more recent NOS hydrographic survey data if available and update existing DEMs compliant with NOAA Data Directives and meeting the requirements for Data Management, Discoverability, Accessibility, Documentation, Readability, and Data Preservation and Stewardship as per the Big Earth Data Initiative (BEDI).
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keyword: Earth Science > Oceans > Bathymetry/Seafloor Topography > Seafloor Topography
keyword: Earth Science > Oceans > Bathymetry/Seafloor Topography > Bathymetry
keyword: Earth Science > Oceans > Bathymetry/Seafloor Topography > Water Depth
keyword: Earth Science > Oceans > Coastal Processes > Coastal Elevation
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title: Global Change Master Directory (GCMD) Vertical Data Resolution Keywords
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keyword: Coastal Relief
keyword: Gridded elevations
keyword: Bathymetry
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keyword: Chesapeake Bay
keyword: Maryland
keyword: Virginia
keyword: Washington D.C.
keyword: Delaware
keyword: United States
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otherConstraints: Cite as: National Centers for Environmental Information, 2017. NOAA NOS Estuarine Bathymetry - Chesapeake Bay (M130). National Centers for Environmental Information, NOAA. doi:10.7289/V5ZK5F0X [access date].
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useLimitation: Not to be used for navigation. Although these data are of high quality and useful for planning and modeling purposes, they are not suitable for navigation. For navigation, please refer to the NOS nautical chart series.
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useLimitation: Produced by the NOAA National Centers for Environmental Information. Not subject to copyright protection within the United States.
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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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title: NOAA NOS Estuarine Bathymetry
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organisationName: National Oceanic and Atmospheric Administration(NOAA), National Ocean Service (NOS), Special Projects (SP)
positionName: Chief, Integrated Planning and Technical Services
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voice: 301-713-3000
facsimile: 301-713-4384
address: (CI_Address)
deliveryPoint: 1305 East West Highway N/MB7
city: Silver Spring
administrativeArea: Maryland
postalCode: 20910
electronicMailAddress: robert.wilson@noaa.gov
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otherCitationDetails: The NOS Special Projects Office was dissolved around 2013. The Estuarine Bathymetry DEM products were assimilated by NCEI in 2016 for archive and redistribution.
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title: Big Earth Data Initiative (BEDI): Archival and Updates to NOAA Estuarine Bathymetry Grids
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language: eng; USA
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beginPosition: 1897-01-01
endPosition: 2016-01-01
supplementalInformation: Only NOS hydrographic survey data were used in DEM development. Other sources of bathymetry may exist within DEM boundaries.
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abstract: A map service showing the location and coverage of land and seafloor digital elevation models (DEMs) available from NOAA's National Centers for Environmental Information (NCEI). NCEI builds and distributes high-resolution, coastal digital elevation models (DEMs) that integrate ocean bathymetry and land topography to support NOAA's mission to understand and predict changes in Earth's environment, and conserve and manage coastal and marine resources to meet our Nation's economic, social, and environmental needs. They can be used for modeling of coastal processes (tsunami inundation, storm surge, sea-level rise, contaminant dispersal, etc.), ecosystems management and habitat research, coastal and marine spatial planning, and hazard mitigation and community preparedness. Layers available in the map service: Layers 1-4: DEMs by Category (includes various DEMs, both hosted at NCEI, and elsewhere on the web); Layers 6-11: NCEI DEM Projects (DEMs hosted at NCEI, color-coded by project); Layer 12: All NCEI Bathymetry DEMs (All bathymetry or bathy-topo DEMs hosted at NCEI).
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keyword: DATA ANALYSIS AND VISUALIZATION > VISUALIZATION/IMAGE PROCESSING
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useLimitation: These data not to be used for navigation. Although these data are of high quality and useful for planning and modeling purposes, they are not suitable for navigation. For official navigation products, please refer to the U.S. nautical charts available from the NOAA Office of Coast Survey: https://www.nauticalcharts.noaa.gov.
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name: NCEI Digital Elevation Model (DEM) Extents ArcGIS Feature Service
description: REST endpoint for NCEI Digital Elevation Model (DEM) Extents ArcGIS Feature Service
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abstract: This is an ArcGIS image service showing color shaded relief visualizations of high-resolution digital elevation models (DEMs) of U.S. coastal regions. NOAA's National Geophysical Data Center (NGDC) builds and distributes high-resolution coastal digital elevation models (DEMs) that integrate ocean bathymetry and land topography to support NOAA's mission to understand and predict changes in Earth's environment, and conserve and manage coastal and marine resources to meet our Nation's economic, social, and environmental needs. They can be used for modeling of coastal processes (tsunami inundation, storm surge, sea-level rise, contaminant dispersal, etc.), ecosystems management and habitat research, coastal and marine spatial planning, and hazard mitigation and community preparedness. DEMs included in this visualization: High-resolution DEMs of select U.S. coastal communities and surrounding areas. Most are at a resolution of 1/3 to 1 arc-second (approx 10-30 m); U.S. Coastal Relief Model: A 3 arc-second (approx 90 m) comprehensive view of the conterminous U.S. coastal zone, Puerto Rico, and Hawaii; Southern Alaska Coastal Relief Model: A 24 arc-second (approx. 500 m) model of Southern Alaska, spanning the Bering Sea, Aleutian Islands, and Gulf of Alaska. This map service can be used as a basemap. It has a transparent background, so it can also be shown as a layer on top of a different basemap. Please see NGDC's corresponding DEM Footprints map service for polygon footprints and more information about the individual DEMs used to create this composite view.
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unitsSystem: http://www.bipm.fr/en/si/
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linkage: https://www.ngdc.noaa.gov/thredds/wcs/regional/chesapeake_bay_M130_2017.nc?service=WCS&version=1.0.0&request=GetCapabilities
protocol: OGC:WCS
name: Web Coverage Service GetCapabilities
description: Web Coverage Service GetCapabilities
function: (CI_OnLineFunctionCode) information
transferOptions: (MD_DigitalTransferOptions)
onLine: (CI_OnlineResource)
linkage: https://www.ngdc.noaa.gov/thredds/wms/regional/chesapeake_bay_M130_2017.nc?service=WMS&version=1.3.0&request=GetCapabilities
protocol: OGC:WMS
name: Web Map Service GetCapabilities
description: Web Map Service GetCapabilities
function: (CI_OnLineFunctionCode) information
transferOptions: (MD_DigitalTransferOptions)
onLine: (CI_OnlineResource)
linkage: https://www.ngdc.noaa.gov/thredds/ncss/regional/chesapeake_bay_M130_2017.nc/dataset.html
protocol: HTTPS
name: Download a subset of the NetCDF
description: Download a subset of the NetCDF
function: (CI_OnLineFunctionCode) download
transferOptions: (MD_DigitalTransferOptions)
onLine: (CI_OnlineResource)
linkage: https://www.ngdc.noaa.gov/thredds/ncml/regional/chesapeake_bay_M130_2017.nc?catalog=https%3A%2F%2Fwww.ngdc.noaa.gov%2Fthredds%2Fcatalog%2Fregional%2Fcatalog.html&dataset=regionalDatasetScan%2Fchesapeake_bay_M130_2017.nc
protocol: HTTPS
name: NetCDF Markup Language file
description: NetCDF Markup Language file
function: (CI_OnLineFunctionCode) information
transferOptions: (MD_DigitalTransferOptions)
onLine: (CI_OnlineResource)
linkage: https://www.ngdc.noaa.gov/mgg/coastal
protocol: HTTPS
name: DEM text search
description: Text search for locating completed and planned DEMs.
function: (CI_OnLineFunctionCode) search
transferOptions: (MD_DigitalTransferOptions)
onLine: (CI_OnlineResource)
linkage: https://www.ncei.noaa.gov/maps/bathymetry/
protocol: HTTPS
name: Bathymetric Data Viewer
description: The Bathymetric Data Viewer is an interactive map providing discovery, descriptions, and download capability for bathymetric survey data and digital elevation models archived at NOAA's National Centers for Environmental Information (NCEI).
function: (CI_OnLineFunctionCode) search
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dataQualityInfo: (DQ_DataQuality)
scope: (DQ_Scope)
level: (MD_ScopeCode) dataset
report: (DQ_AbsoluteExternalPositionalAccuracy)
nameOfMeasure: Horizontal Positional Accuracy Report
evaluationMethodDescription: The horizontal accuracy of bathymetric features in the DEM is dependent upon DEM cell size and the accuracy of the input datasets used to determine corresponding cell values. Early 20th-century NOS soundings are limited by sparseness of soundings, and potentially large positional accuracy of pre-satellite (i.e., GPS) navigation - several meters.
result: (missing)
report: (DQ_AbsoluteExternalPositionalAccuracy)
nameOfMeasure: Vertical Positional Accuracy Report
evaluationMethodDescription: The vertical accuracy of bathymetric features in the DEM is dependent upon DEM cell size and the accuracy of the input datasets used to determine corresponding cell values. Gridding interpolation to determine cell values between sparse soundings degrades the vertical accuracy of corresponding elevations.
result: (missing)
report: (DQ_CompletenessCommission)
evaluationMethodDescription: Datasets were visually compared internally and externally (with other overlapping datasets and satellite images and maps) in ESRI ArcGIS for identification of anomalous elevations or data inconsistencies. Where elevation inconsistencies occurred, the most recent and/or highest resolution data set was selected for use in that region. Elevations in the older and/or lower-resolution datasets were deleted prior to building the DEM.
result: (unknown)
lineage: (LI_Lineage)
processStep: (LE_ProcessStep)
description: Hydrographic survey data were downloaded from NCEI, if needed, converted to WGS 84 geographic horizontal datum. Older soundings were supplanted by more recent soundings and the collection of data points were visually inspected for errors or outliers. An xyz point file version of the ENC shoreline with 3 meter point spacing was generated and used as source data with elevation value set to zero as well as used as a mask for the final gridded data product. All data points were surfaced using GMT software to generate a 10 meter DEM surface.
dateTime: (unknown)
source: (LI_Source)
description: Source Contribution: Hydrographic Soundings
sourceCitation: (CI_Citation)
title: NOS Hydrographic Surveys Collection
date: (CI_Date)
date: 2012-03-02
dateType: (CI_DateTypeCode) publication
citedResponsibleParty: (CI_ResponsibleParty)
organisationName: DOC/NOAA/NESDIS/NCEI > National Centers for Environmental Information, NESDIS, NOAA, U.S. Department of Commerce
contactInfo: (CI_Contact)
address: (CI_Address)
city: Boulder
administrativeArea: CO
role: (CI_RoleCode) publisher
presentationForm: (CI_PresentationFormCode) mapDigital
otherCitationDetails: Surveys Used in Bathymetry Processing: D00052, D00071, D00110, D00129, D00151, D00159, D00162, D00173, D00206, D00213, F00280, F00294, F00297, F00300, F00336, F00369, F00388, F00389, F00394, F00408, F00410, F00438, F00439, F00450, F00454, F00474, F00481, F00495, F00505, F00515, F00540, F00547, F00549, F00552, F00583, F00602, F00605, F00609, F00615, F00622, F00628, F00653, F00656, H02335, H02347, H02359, H03003A, H03003B, H03003C, H03003D, H03003E, H03003, H03009A, H03009B, H03009, H03010A, H03010, H03011A, H03011, H03029, H03030, H03035, H03036, H03038, H03311, H03343, H03369, H03375, H03424, H03425, H03532, H03533, H04018, H04019, H04084, H04962, H05000, H05197, H05198, H05199, H05201, H05217, H05228, H05229, H05230, H05237, H05295, H05327, H05328, H05329, H05374, H05403, H05416, H05432, H05469, H05501, H05531, H05968, H05969, H05989, H06210, H06359, H06360, H06361, H06362, H06363, H06364, H06365, H06366, H06367, H06368, H06369, H06370, H06371, H06372, H06373, H06374, H06375, H06376, H06595, H06596, H06597, H06598, H06599, H06600, H06601, H06602, H06603, H06604, H06605, H06682, H06683, H06684, H06729, H06775, H06776, H06779, H06796, H06812, H06815, H06832, H06833, H06876, H06877, H06878, H06928, H06930, H06949, H06950, H06951, H06952, H06953, H06954, H06955, H06956, H06958, H06962, H06966, H06985, H06996, H06997, H06998, H07001, H07002, H07003, H07009, H07010, H07011, H07021, H07022, H07024, H07025, H07027, H07032, H07043, H07047, H07064, H07065, H07075, H07083, H07087, H07089, H07090, H07091, H07092, H07093, H07094, H07154, H07155, H07156, H07157, H07160, H07162, H07171, H07174, H07175, H07181, H07184, H07185, H07610, H07611, H07612, H07641, H07642, H07680, H07703, H07714, H07721, H07722, H07750, H07778, H07779, H07780, H07781, H07782, H07783, H07791, H07823, H07824, H07879, H07880, H07881, H07882, H07883, H07884, H07885, H07886, H07887, H07894, H07910, H07911, H07942, H07943, H07944, H07945, H07946, H07952, H07953, H07954, H07955, H07956, H07957, H07958, H07959, H07960, H07965, H08012, H08069, H08078, H08079, H08080, H08081, H08082, H08083, H08185, H08186, H08187, H08188, H08189, H08190, H08191, H08214, H08218, H08276, H08277, H08278, H08279, H08280, H08283, H08347, H08405, H08406, H08407, H08408, H08435, H08445, H08446, H08447, H08448, H08494, H08495, H08496, H08505, H08506, H08507, H08522, H08547, H08548, H08549, H08550, H08551, H08552, H08553, H08610, H08611, H08612, H08613, H08614, H08702, H08703, H08704, H08705, H08706, H08724, H08725, H08859, H08860, H08874, H08878, H09098, H09099, H09280, H09292, H09301, H09321, H09322, H09324, H09349, H09380, H09453, H09454, H09477, H09478, H09479, H09488, H09562, H09563, H09564, H09565, H09566, H09581, H09582, H09643, H09693, H09814, H09826, H09880, H09901, H09910, H09923, H09923, H10193, H10195, H10212, H10275, H10337, H10340, H10341, H10343, H10372, H10518, H10529, H10622, H10632, H10652, H10688, H10691, H10703, H10745, H10752, H10757, H10790, H10823, H10859, H10905, H10934, H10945, H10952, H11016, H11026, H11028, H11088, H11196, H11205, H11206, H11207, H11295, H11323, H11402, H11407, H11450, H11503, H11504, H11505, H11529, H11530, H11535, H11598, H11599, H11603, H11651, H11653, H11655, H11656, H11657, H11788, H11789, H11918, H12038, H12039, H12040, H12041, H12042, H12043, H12044, H12045, H12180, H12181, H12182, H12238, H12239, H12240, H12241, H12267, H12277, H12282, H12285, H12286, H12304, H12305, H12315, H12321, H12367, H12421, H12674, H12786, H12866, W00223, W00224
sourceExtent: (EX_Extent)
temporalElement: (EX_TemporalExtent)
extent:
TimePeriod:
beginPosition: 1897-01-01
endPosition: 2016-01-01
source: (LI_Source)
description: Source Contribution: ENC coastline and soundings
sourceCitation: (CI_Citation)
title: Electronic Navigational Chart (ENC) digital coastline and soundings
date: (CI_Date)
date: 2017-10-01
dateType: (CI_DateTypeCode) publication
citedResponsibleParty: (CI_ResponsibleParty)
organisationName: OCS > NOAA Office of Coast Survey
role: (CI_RoleCode) originator
citedResponsibleParty: (CI_ResponsibleParty)
organisationName: (inapplicable)
contactInfo: (CI_Contact)
onlineResource: (CI_OnlineResource)
linkage: https://nauticalcharts.noaa.gov
name: ENC Direct to GIS
description: ENC coastline and extracted soundings
function: (CI_OnLineFunctionCode) download
role: (inapplicable)
sourceExtent: (EX_Extent)
temporalElement: (EX_TemporalExtent)
extent:
TimePeriod:
beginPosition: 2007-03-01
endPosition: 2017-04-06
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metadataMaintenance: (MD_MaintenanceInformation)
maintenanceAndUpdateFrequency: (MD_MaintenanceFrequencyCode) annually
dateOfNextUpdate: 2019-03-01
contact: (CI_ResponsibleParty)
individualName: Kelly Carignan
organisationName: NOAA National Centers for Environmental Information
contactInfo: (CI_Contact)
address: (CI_Address)
electronicMailAddress: kelly.carignan@noaa.gov
role: (CI_RoleCode) pointOfContact