British Columbia 3 arc-second Bathymetric Digital Elevation Model
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title: British Columbia 3 arc-second Bathymetric Digital Elevation Model
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abstract: The 3 arc-second British Columbia DEM will be used to support NOAA's tsunami forecast system and for tsunami inundation modeling. This DEM covers the coastal area off-shore British Columbia.
purpose: Developed for the Pacific Marine Environmental Laboratory (PMEL), NOAA Center for Tsunami Research program in support of NOAA's tsunami forecasting and warning efforts.
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keyword: Continent > North America > Canada > British Columbia
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keyword: Canada
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keyword: Strait of Juan de Fuca
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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: Data Stewardship Maturity Report for British Columbia, 3 arc-second Bathymetric Digital Elevation Model
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title: Bathymetric Digital Elevation Model of British Columbia, Canada: Procedures, Data Sources, and Analysis
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supplementalInformation: The vertical datum for the source bathymetric data was generally Mean Lower Low Water (MLLW), Lower Low Water Large Tide (LLWLT), Mean Sea Level (MSL), or assumed MSL The differences between these datums are less than the vertical accuracy of the CRM, so you can assign Mean Sea Level to this DEM if you like, just recognize that the elevation values may not be as accurate as you might like or need. Assume a vertical accuracy no better than 1 meter for any elevation values. Because of its relatively large cell size (3 arc-seconds or roughly 90 m), no effort was made to establish a common vertical datum as the uncertainty in the elevation value of each cell exceeds the differences between vertical datums (typically sub-meter).
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abstract: The DEM Global Mosaic is an image service providing a global, seamless bathymetry/topography mosaic that includes NCEI's ETOPO 2022, NCEI's Continuously Updated DEM (CUDEM), and other NCEI-stewarded DEMs, along with regional grids such as IBCAO, IBCSO and the Hawaiian Island Multibeam Synthesis (University of Hawaii). This service provides elevation/depth values in meters; for a visualization of the data, please see the related DEM Global Mosaic (Color Shaded Relief) service. There are 5 related image services providing access to Digital Elevation Models: DEM Mosaic (Individual DEMs), DEM Global Mosaic (Elevation Values), DEM Global Mosaic (Color Shaded Relief), CUDEM Mosaic (Elevation Values), and CUDEM Mosaic (Color Shaded Relief). 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. This service is a general-purpose global, seamless bathymetry/topography mosaic. It combines DEMs from a variety of near sea-level vertical datums, such as mean high water (MHW), mean sea level (MSL), and North American Vertical Datum of 1988 (NAVD88). No conversion/harmonization of vertical datums was performed. Because the mosaic contains 'overviews' for performance, individual DEMs cannot be separated from the others. Individual DEMs, or smaller subsets, are available in the companion DEM Mosaic (Individual DEMs) image service. By default, the DEMs are drawn in order of cell size, with higher-resolution grids displayed on top of lower-resolution grids. If overlapping DEMs have the same resolution, the newer one is shown. Please see NCEI's corresponding DEM Footprints feature service for polygon footprints and more information about the individual DEMs used to create this composite view.
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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: http://www.nauticalcharts.noaa.gov.
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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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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 the DEM cell size and the accuracy of the input datasets used to determine corresponding cell values. Bathymetry: 100 meters to several hundreds of meters. Positional accuracy of input bathymetric datasets limits accuracy of corresponding cell values in DEM. Recent NOS hydrographic data: 1 to 16 meters. NGDC multibeam sonar: about 100 meters. CHS Multibeam: less than 1 meter to about 100 meters. DEM cell-value relative-contribution factors: NOS hydrographic soundings: 100, NGDC Multibeam: 10, CHS Multibeam: 100. Positional accuracy of input bathymetric datasets limits accuracy of corresponding cell values in DEM.
result: (missing)
report: (DQ_AbsoluteExternalPositionalAccuracy)
nameOfMeasure: Vertical Positional Accuracy Report
evaluationMethodDescription: The vertical accuracy of bathymetric features in the DEM is dependent upon the accuracy of the input datasets used to determine corresponding cell values. Bathymetry: up to 5% of water depth. Vertical accuracy of input bathymetric datasets limits accuracy of corresponding cells in DEM. GPS-navigated NGDC multibeam sonar sonar data: about 0.1 meter. DEM cell relative-contribution factors: NOS hydrographic soundings: 100, NGDC multibeam: 10. Gridding interpolation to determine cell values between sparse NOS hydrographic soundings degrades the vertical accuracy of elevations.
result: (missing)
report: (DQ_CompletenessCommission)
evaluationMethodDescription: NGDC made every effort to obtain all available digital bathymetric datasets in the region for use in building the DEM.
result: (unknown)
report: (DQ_ConceptualConsistency)
measureDescription: Datasets were visually compared internally and externally (with other overlapping datasets and satellite images and maps) in ESRI ArcGIS and Applied Imagery QT Modeler 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. In general, 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: All datasets obtained by NGDC were converted to common horizontal datum of WGS 84 geographic using ArcGIS. They were also converted to common file format, ESRI point shapefiles or digital rasters, for visualization and inspection.
dateTime:
DateTime: 2013-04-01T00:00:00
processor: (CI_ResponsibleParty)
individualName: Barry W. Eakins
organisationName: NOAA National Centers for Environmental Information
positionName: Research Scientist
contactInfo: (CI_Contact)
phone: (CI_Telephone)
voice: 303-497-6505
address: (CI_Address)
deliveryPoint: 325 Broadway, E/GC3
city: Boulder
administrativeArea: Colorado
postalCode: 80305-3328
country: USA
electronicMailAddress: Barry.Eakins@noaa.gov
hoursOfService: 9am-5pm, M-F, Mountain Time
contactInstructions: Contact Marine Geology and Geophysics Division
role: (CI_RoleCode) pointOfContact
processStep: (LE_ProcessStep)
description: Datasets were visually inspected with ArcGIS and QT Modeler for identification and editing of data anomalies. Datasets were then compared with overlapping datasets to ensure data consistency.
dateTime:
DateTime: 2013-05-02T00:00:00
processStep: (LE_ProcessStep)
description: xyz files of the bathymetric data were surfaced using GMT's 'surface' tool onto a 3 arc-second grid that interpolated to fill empty cells. Points extracted every 10 meters along the coastline were also included to ensure that the bathymetric grid reached zero at the coast. The resulting Arc ASCII grid was imported into ArcGIS and clipped to the coastline to remove values over land.
dateTime:
DateTime: 2013-06-01T00:00:00
processStep: (LE_ProcessStep)
description: xyz files for each input dataset were gridded using MB-System's 'mbgrid' tool, which utilizes a high-tension spline interpolation method to fill grid cells with no input elevation values. Preferential weighting was given to more recent, higher-accuracy datasets. Gridding was performed in halves, each with a 5% data buffer. The grids were imported in ArcGIS and seamlessly merged to create the final DEM.
dateTime:
DateTime: 2013-06-20T00:00:00
processStep: (LE_ProcessStep)
description: The DEM was quantitatively evaluated by comparing the grid against source data files.
dateTime:
DateTime: 2013-06-30T00:00:00
source: (LI_Source)
description: Source Contribution: hydrographic surveys ; Source Type: online
sourceCitation: (CI_Citation)
title: NOS Hydrographic Surveys
date: (CI_Date)
date: 2013-06-15
dateType: (CI_DateTypeCode) publication
citedResponsibleParty: (CI_ResponsibleParty)
organisationName: DOC/NOAA/NESDIS/NGDC > National Geophysical Data Center, NESDIS, NOAA, U.S. Department of Commerce
role: (CI_RoleCode) originator
citedResponsibleParty: (CI_ResponsibleParty)
organisationName: (inapplicable)
contactInfo: (CI_Contact)
onlineResource: (CI_OnlineResource)
linkage: https://www.ngdc.noaa.gov/mgg/bathymetry/hydro.html
name: NOS Hydrographic Survey Database
description: Digital database of NOS hydrographic surveys that date back to the late 19th century.
function: (CI_OnLineFunctionCode) download
role: (inapplicable)
sourceExtent: (EX_Extent)
temporalElement: (EX_TemporalExtent)
extent:
TimePeriod:
beginPosition: 1930-01-01
endPosition: 2011-01-01
source: (LI_Source)
description: Source Contribution: Multibeam bathymetry data ; Source Type: online
sourceCitation: (CI_Citation)
title: NGDC Multibeam Bathymetry Database
date: (CI_Date)
date: 2013-04-04
dateType: (CI_DateTypeCode) publication
citedResponsibleParty: (CI_ResponsibleParty)
organisationName: DOC/NOAA/NESDIS/NGDC > National Geophysical Data Center, NESDIS, NOAA, U.S. Department of Commerce
role: (CI_RoleCode) originator
citedResponsibleParty: (CI_ResponsibleParty)
organisationName: (inapplicable)
contactInfo: (CI_Contact)
onlineResource: (CI_OnlineResource)
linkage: https://www.ngdc.noaa.gov/mgg/bathymetry/multibeam.html
name: NGDC Multibeam Bathymetry Database
description: Multibeam swath sonar survey data
function: (CI_OnLineFunctionCode) download
role: (inapplicable)
sourceExtent: (EX_Extent)
temporalElement: (EX_TemporalExtent)
extent:
TimePeriod:
beginPosition: 1981-01-01
endPosition: 2012-01-01
source: (LI_Source)
description: Source Contribution: ENC soundings and coastline ; Source Type: web
sourceCitation: (CI_Citation)
title: Electronic Navigational Chart (ENC) digital coastline and soundings
date: (CI_Date)
date: 2013-03-14
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: http://www.nauticalcharts.noaa.gov/mcd/enc/index.htm
name: Electronic Navigational Chart (ENC) soundings and coastline
description: ENC soundings and coastline extracted from NOS charts
function: (CI_OnLineFunctionCode) download
role: (inapplicable)
sourceExtent: (EX_Extent)
temporalElement: (EX_TemporalExtent)
extent:
TimePeriod:
beginPosition: 1997-01-01
endPosition: 2012-01-01
source: (LI_Source)
description: Source Contribution: bathymetry; Source Type: online
sourceCitation: (CI_Citation)
title: NGDC ETOPO1
date: (CI_Date)
date: 2013-04-02
dateType: (CI_DateTypeCode) publication
citedResponsibleParty: (CI_ResponsibleParty)
organisationName: DOC/NOAA/NESDIS/NGDC > National Geophysical Data Center, NESDIS, NOAA, U.S. Department of Commerce
role: (CI_RoleCode) originator
citedResponsibleParty: (CI_ResponsibleParty)
organisationName: (inapplicable)
contactInfo: (CI_Contact)
onlineResource: (CI_OnlineResource)
linkage: https://www.ngdc.noaa.gov/mgg/global/global.html
name: NGDC ETOPO1
description: Integrated bathymetric-topographic global DEM
function: (CI_OnLineFunctionCode) download
role: (inapplicable)
sourceExtent: (EX_Extent)
temporalElement: (EX_TemporalExtent)
extent:
TimePeriod:
beginPosition: 1940-01-01
endPosition: 2008-01-01
source: (LI_Source)
description: Source Contribution: NGDC Bathymetric-topographic Port Townsend, Washington DEM ; Source Type: online
sourceCitation: (CI_Citation)
title: Port Townsend, Washington Coastal Digital Elevation Model
date: (CI_Date)
date: 2011-01-29
dateType: (CI_DateTypeCode) publication
citedResponsibleParty: (CI_ResponsibleParty)
organisationName: DOC/NOAA/NESDIS/NGDC > National Geophysical Data Center, NESDIS, NOAA, U.S. Department of Commerce
role: (CI_RoleCode) originator
citedResponsibleParty: (CI_ResponsibleParty)
organisationName: (inapplicable)
contactInfo: (CI_Contact)
onlineResource: (CI_OnlineResource)
linkage: https://www.ngdc.noaa.gov/mgg/inundation/tsunami/
name: NGDC Bathymetric-topographic DEMs
description: Integrated bathymetric-topographic DEMs
function: (CI_OnLineFunctionCode) download
role: (inapplicable)
sourceExtent: (EX_Extent)
temporalElement: (EX_TemporalExtent)
extent:
TimePeriod:
beginPosition: 1887-01-01
endPosition: 2010-01-01
source: (LI_Source)
description: Source Contribution: digital soundings and coastline; Source Type: online
sourceCitation: (CI_Citation)
title: National Geospatial-Intelligence Agency Digital Nautical Chart (DNC) extracted soundings and coastline
date: (CI_Date)
date: 2013-03-28
dateType: (CI_DateTypeCode) publication
citedResponsibleParty: (CI_ResponsibleParty)
organisationName: National Geospatial-Intelligence Agency (NGA)
role: (CI_RoleCode) originator
citedResponsibleParty: (CI_ResponsibleParty)
organisationName: (inapplicable)
contactInfo: (CI_Contact)
onlineResource: (CI_OnlineResource)
linkage: https://www.ngdc.noaa.gov/metadata/published/NOAA/NESDIS/NGDC/MGG/DEM/iso/xml/4956.xml
name: Digital Nautical Chart COA26C extracted soundings and coastline
description: The Digital Nautical Chart is produced by the National Geospatial-Intelligence Agency (NGA) and is an unclassified, vector-based digital database containing maritime significant features essential for safe marine navigation. DNCs 018, 026, 027, and 028 are produced in partnership with Canadian Forces Mapping and Charting Establishment Hydrographic Services Office (Esquimalt).
function: (CI_OnLineFunctionCode) download
role: (inapplicable)
sourceExtent: (EX_Extent)
temporalElement: (EX_TemporalExtent)
extent:
TimePeriod:
beginPosition: 1999-01-01
endPosition: 2011-01-01
source: (LI_Source)
description: Source Contribution: bathymetry
sourceCitation: (CI_Citation)
title: Canadian Hydrographic Service Multibeam bathymetry
date: (CI_Date)
date: 2012-01-01
dateType: (CI_DateTypeCode) publication
citedResponsibleParty: (CI_ResponsibleParty)
organisationName: Canadian Hydrographic Service (CHS)
role: (CI_RoleCode) originator
citedResponsibleParty: (CI_ResponsibleParty)
organisationName: (inapplicable)
contactInfo: (CI_Contact)
onlineResource: (CI_OnlineResource)
linkage: http://www.dfo-mpo.gc.ca/index-eng.htm
name: Canadian Hydrographic Service (CHS)
description: CHS multibeam survey data was provided to NGDC by CHS.
function: (CI_OnLineFunctionCode) download
role: (inapplicable)
sourceExtent: (EX_Extent)
temporalElement: (EX_TemporalExtent)
extent:
TimePeriod:
beginPosition: 1996-01-01
endPosition: 2012-01-01
source: (LI_Source)
description: Source Contribution: USGS integrated bathymetric-topographic DEM
sourceCitation: (CI_Citation)
title: Digital elevation model (DEM) of Cascadia, latitude 39N-53N, longitude 116W-133W
date: (CI_Date)
date: 2000-08-04
dateType: (CI_DateTypeCode) publication
citedResponsibleParty: (CI_ResponsibleParty)
organisationName: DOC/NOAA/NESDIS/NGDC > National Geophysical Data Center, NESDIS, NOAA, U.S. Department of Commerce
role: (CI_RoleCode) originator
citedResponsibleParty: (CI_ResponsibleParty)
organisationName: (inapplicable)
contactInfo: (CI_Contact)
onlineResource: (CI_OnlineResource)
linkage: http://geopubs.wr.usgs.gov/open-file/of99-369/
name: Digital elevation model (DEM) of Cascadia, latitude 39N-53N, longitude 116W-133W
description: This report contains a 250-meter digital elevation model (DEM) for Cascadia (latitude 39N - 53N, longitude 116W - 133W), a region that encompasses the Cascade volcanic arc, the Cascadia subduction zone, and the Juan de Fuca Ridge system.
function: (CI_OnLineFunctionCode) download
role: (inapplicable)
sourceExtent: (EX_Extent)
temporalElement: (EX_TemporalExtent)
extent:
TimePeriod:
beginPosition: 1969-01-01
endPosition: 1998-01-01
source: (LI_Source)
description: Source Contribution: BCMCA bathymetric DEM
sourceCitation: (CI_Citation)
title: bc_eez_100m
date: (CI_Date)
date: 2012-02-01
dateType: (CI_DateTypeCode) publication
citedResponsibleParty: (CI_ResponsibleParty)
organisationName: Edward Gregr, SciTech Environmental Consulting
role: (CI_RoleCode) originator
citedResponsibleParty: (CI_ResponsibleParty)
organisationName: (inapplicable)
contactInfo: (CI_Contact)
onlineResource: (CI_OnlineResource)
linkage: http://bcmca.ca/
name: British Columbia Marine Conservation Analysis (BCMCA)
description: A 100 m raster of the Canadian Pacific Exclusive Economic Zone (EEZ) created for research purposes. The raster provides depth information for the EEZ.
function: (CI_OnLineFunctionCode) download
role: (inapplicable)
sourceExtent: (EX_Extent)
temporalElement: (EX_TemporalExtent)
extent:
TimePeriod:
beginPosition: 1999-01-01
endPosition: 2012-01-01
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dataQualityInfo: (DQ_DataQuality)
scope: (DQ_Scope)
level: (MD_ScopeCode) series
levelDescription: (MD_ScopeDescription)
other: Data Stewardship
report: (DQ_ConceptualConsistency)
nameOfMeasure: Data Stewardship Maturity Assessment
measureIdentification: (MD_Identifier)
code: MM-Stew
measureDescription: The Data Stewardship Maturity Matrix (DSMM) is a unified framework that defines criteria for each of nine components based on measurable practices, which can be used to apply a progressive, 6-level rating to an individual dataset, representing stewardship maturity stages rated as Not Assessed or Not Available (Level 0), adHoc (Level 1), minimum (Level 2), intermediate (Level 3), advanced (Level 4), and optimal (Level 5).
evaluationMethodDescription: Data Stewardship Maturity Assessment was evaluated by the metadata content editor for the NOAA OneStop project using the Scientific Data Stewardship Maturity Assessment Model Template v4.0.
evaluationProcedure: (CI_Citation)
title: The Scientific Data Stewardship Maturity Assessment Model Template
date: (CI_Date)
date: 2015-06-23
dateType: (CI_DateTypeCode) publication
edition: NCDC-CICS-SMM_0001_Rev.1 v4.0 06/23/2015
identifier: (MD_Identifier)
code:
Anchor: DOI link doi:10.10.6084/m9.figshare.1211954
citedResponsibleParty: (CI_ResponsibleParty)
individualName: Peng, Ge
organisationName: CICS-NC/NCEI
role: (CI_RoleCode) author
citedResponsibleParty: (CI_ResponsibleParty)
organisationName: (inapplicable)
contactInfo: (CI_Contact)
onlineResource: (CI_OnlineResource)
linkage: https://doi.org/10.6084/m9.figshare.1211954
protocol: HTTPS
applicationProfile: Web Browser
name: The Scientific Data Stewardship Maturity Assessment Model Template
description: Landing page for quality evaluation procedure.
function: (CI_OnLineFunctionCode) information
role: (inapplicable)
presentationForm: (CI_PresentationFormCode) documentDigital
dateTime:
DateTime: 2016-06-21T00:00:00
result: (DQ_QuantitativeResult)
valueUnit: (inapplicable)
value:
Record:
CodeListValue: optimal
value:
Record:
CodeListValue: advanced
value:
Record:
CodeListValue: intermediate
value:
Record:
CodeListValue: advanced
value:
Record:
CodeListValue: intermediate
value:
Record:
CodeListValue: intermediate
value:
Record:
CodeListValue: minimal
value:
Record:
CodeListValue: minimal
value:
Record:
CodeListValue: intermediate
result: (DQ_ConformanceResult)
specification: (CI_Citation)
title: British_Columbia_3s_MSL_DEM
date: (CI_Date)
date: 2016-06-21
dateType: (CI_DateTypeCode) publication
edition: v01r00
citedResponsibleParty: (CI_ResponsibleParty)
organisationName: DOC/NOAA/NESDIS/NCEI > National Centers for Environmental Information, NESDIS, NOAA, U.S. Department of Commerce
role: (CI_RoleCode) publisher
citedResponsibleParty: (CI_ResponsibleParty)
organisationName: (missing)
contactInfo: (CI_Contact)
onlineResource: (CI_OnlineResource)
linkage: (template)
role: (missing)
explanation: Data Stewardship Maturity Assessment was evaluated by the metadata content editor for the NOAA OneStop project using the Scientific Data Stewardship Maturity Assessment Model Template v4.0.
pass: (inapplicable)
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metadataMaintenance: (MD_MaintenanceInformation)
maintenanceAndUpdateFrequency: (MD_MaintenanceFrequencyCode) annually
dateOfNextUpdate: 2014-07-19
maintenanceNote: Last Metadata Review Date: 2013-07-24
maintenanceNote: This record was automatically modified on 2015-09-03 to include references to NCEI where applicable.
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
contact: (CI_ResponsibleParty)
organisationName: NOAA National Centers for Environmental Information
positionName: Metadata Specialist
role: (CI_RoleCode) editor