Global Land One-kilometer Base Elevation (GLOBE) v.1
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title: Global Land One-kilometer Base Elevation (GLOBE) v.1
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date: 1999-01-01
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abstract: GLOBE is a project to develop the best available 30-arc-second (nominally 1 kilometer) global digital elevation data set. This version of GLOBE contains data from 11 sources, and 17 combinations of source and lineage. It continues much in the tradition of the National Geophysical Data Center's TerrainBase (FGDC 1090), as TerrainBase served as a generally lower-resolution prototype of GLOBE data management and compilation techniques. The GLOBE mosaic has been compiled onto CD-ROMs for the international user community. It is also available from the World Wide Web (linked from the online linkage noted above and anonymous ftp. Improvements to the global model are anticipated, as appropriate data and/or methods are made available. In addition, individual contributions to GLOBE (several areas have more than one candidate) should become available at the same website. GLOBE may be used for technology development, such as helping plan infrastructure for cellular communications networks, other public works, satellite data processing, and environmental monitoring and analysis. GLOBE prototypes (and probably GLOBE itself after its release) have been used to help develop terrain avoidance systems for aircraft. In all cases, GLOBE data should be treated as any potentially useful but guaranteed imperfect data set. Mission- or life-critical applications should consider the documented artifacts, as well as likely undocumented imperfections, in the data.
purpose: Provide Topographic Data for Scientific, Technical, and other Applications
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keyword: Earth Science > Land Surface > Topography
keyword: Earth Science > Land Surface > Topography > Terrain Elevation > Topographical Relief Maps
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keyword: Continent > Africa
keyword: Continent > Antarctica
keyword: Continent > Asia
keyword: Continent > Australia/New Zealand > Australia
keyword: Continent > Europe
keyword: Continent > North America
keyword: Continent > South America
keyword: Geographic Region > Global Land
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keyword: DOC/NOAA/NESDIS/NCEI > National Centers for Environmental Information, NESDIS, NOAA, U.S. Department of Commerce
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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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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: Cite as: NOAA National Geophysical Data Center. 1999: Global Land One-kilometer Base Elevation (GLOBE) v.1. NOAA National Centers for Environmental Information. https://doi.org/10.7289/V52R3PMS. Accessed [date].
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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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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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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 > GEOGRAPHIC INFORMATION SYSTEMS > WEB-BASED GEOGRAPHIC INFORMATION SYSTEMS
keyword: DATA MANAGEMENT/DATA HANDLING > DATA SEARCH AND RETRIEVAL
keyword: DATA ANALYSIS AND VISUALIZATION > VISUALIZATION/IMAGE PROCESSING
type: (MD_KeywordTypeCode) theme
thesaurusName: (CI_Citation)
title: Global Change Master Directory (GCMD) Service Keywords
date: (CI_Date)
date: 2020-01-09
dateType: (CI_DateTypeCode) publication
edition: 9.1
citedResponsibleParty: (CI_ResponsibleParty)
organisationName: NASA Goddard Space Flight Center, Earth Science Data and Information System
contactInfo: (CI_Contact)
onlineResource: (CI_OnlineResource)
linkage: https://www.earthdata.nasa.gov/learn/find-data/idn/gcmd-keywords
name: Global Change Master Directory (GCMD) Keywords
description: The information provided on this page seeks to define how the GCMD Keywords are structured, used and accessed. It also provides information on how users can participate in the further development of the keywords.
function: (CI_OnLineFunctionCode) information
role: (CI_RoleCode) custodian
resourceConstraints: (MD_Constraints)
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.
serviceType:
LocalName: ArcGIS Feature Service
serviceTypeVersion: 11.0
extent: (EX_Extent)
geographicElement: (EX_GeographicBoundingBox)
extentTypeCode: 1
westBoundLongitude: -180
eastBoundLongitude: 180
southBoundLatitude: -90
northBoundLatitude: 90
couplingType: (SV_CouplingType) tight
containsOperations: (SV_OperationMetadata)
operationName: ArcGIS Server REST endpoint for feature service
DCP: (unknown)
connectPoint: (CI_OnlineResource)
linkage: https://services2.arcgis.com/C8EMgrsFcRFL6LrL/arcgis/rest/services/ncei_dem_extents/FeatureServer
protocol: HTTPS
applicationProfile: ESRI Feature Service REST Specification
name: NCEI Digital Elevation Model (DEM) Extents ArcGIS Feature Service
description: REST endpoint for NCEI Digital Elevation Model (DEM) Extents ArcGIS Feature Service
function: (CI_OnLineFunctionCode) search
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distributionInfo: (MD_Distribution)
distributor: (MD_Distributor)
distributorContact: (CI_ResponsibleParty)
organisationName: NOAA National Centers for Environmental Information
contactInfo: (CI_Contact)
address: (CI_Address)
electronicMailAddress: ncei.info@noaa.gov
onlineResource: (CI_OnlineResource)
linkage: https://www.ncei.noaa.gov/contact
name: NCEI Contact Information
description: Information for contacts at NCEI.
function: (CI_OnLineFunctionCode) information
role: (CI_RoleCode) distributor
distributionOrderProcess: (MD_StandardOrderProcess)
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.
distributorFormat: (MD_Format)
name: BIL
version: (unknown)
fileDecompressionTechnique: GZIP
distributorTransferOptions: (MD_DigitalTransferOptions)
onLine: (CI_OnlineResource)
linkage: https://www.ncei.noaa.gov/metadata/geoportal/rest/metadata/item/gov.noaa.ngdc.mgg.dem:280/html
protocol: HTTPS
name: Metadata Landing Page
function: (CI_OnLineFunctionCode) information
distributorTransferOptions: (MD_DigitalTransferOptions)
onLine: (CI_OnlineResource)
linkage: https://www.ngdc.noaa.gov/mgg/topo/globe.html
name: Global Land One-kilometer Base Elevation (GLOBE) v.1
description: Project web site
function: (CI_OnLineFunctionCode) information
distributorTransferOptions: (MD_DigitalTransferOptions)
onLine: (CI_OnlineResource)
linkage: https://www.ngdc.noaa.gov/mgg/topo/gltiles.html
name: GLOBE: Download the Elevation Tiles
description: Access page for downloading the 16 GLOBE elevation tiles.
function: (CI_OnLineFunctionCode) download
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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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dataQualityInfo: (DQ_DataQuality)
scope: (DQ_Scope)
level: (MD_ScopeCode) dataset
report: (DQ_AbsoluteExternalPositionalAccuracy)
nameOfMeasure: Horizontal Positional Accuracy Report
evaluationMethodDescription: arc-seconds of latitude and longitude
result: (missing)
report: (DQ_AbsoluteExternalPositionalAccuracy)
nameOfMeasure: Horizontal Positional Accuracy
measureDescription: Few elevation values should be more than about 18 arc-seconds from their implied location in the 30 arc-second grid.
result: (DQ_QuantitativeResult)
valueUnit:
BaseUnit:
identifier: meters
unitsSystem: SI units
value:
Record: 18.000000
report: (DQ_AbsoluteExternalPositionalAccuracy)
nameOfMeasure: Vertical Positional Accuracy Report
evaluationMethodDescription: Vertical accuracy varies by source materials used in GLOBE. Values may range from 10 meters to 250 meters (and in rare cases, to over 500 meters in elevation). In the field (below) vertical position accuracy value, we have arbitrarily assigned the number
result: (missing)
report: (DQ_AbsoluteExternalPositionalAccuracy)
nameOfMeasure: Vertical Positional Accuracy
measureDescription: Methods of assessing vertical accuracy include statistical analyses of high-resolution DEM sources by their producers, assessments of contour intervals in some source maps, histogram analyses of DEMs lacking in more detailed assessments. (Histograms often show
result: (DQ_QuantitativeResult)
valueUnit:
BaseUnit:
identifier: meters
unitsSystem: SI units
value:
Record: 250.000000
report: (DQ_CompletenessCommission)
evaluationMethodDescription: Unknown
result: (unknown)
report: (DQ_ConceptualConsistency)
measureDescription: GLOBE documentation (KGRD 34) discusses logical consistency implicitly in its quality control & accuracy assessments. Adjacent data files have no gaps between themselves. A few land areas of 30 arc-seconds in size may be missing. Most smaller areas are missing. Bathymetry is not included in GLOBE Version 1.0 (See NGDC's TerrainBase or ETOPO5 for lower-resolution Bathymetric data. GLOBE Version 2.0 may include bathymetric data.)
result: (unknown)
report: (DQ_QuantitativeAttributeAccuracy)
nameOfMeasure: Quantitative Attribute Accuracy Assessment
measureDescription: statistical and histogram analysis
evaluationMethodDescription: Some of the methods used to measure elevation do not actually measure that of the ground surface. See GLOBE documentation (KGRD 34).
result: (DQ_QuantitativeResult)
valueUnit:
BaseUnit:
identifier: meters
unitsSystem: SI units
value:
Record: variable may range +/- 10 to +/- 250 meters or more
lineage: (LI_Lineage)
processStep: (LE_ProcessStep)
description: The DCW hypsography was converted to 30" latitude-longitude grids by the U. S. Geological Survey. Prototyping of techniques also involved University College London. The ANUDEM contour-to-grid software of Australian National University was used, which incorporates streamlines to help guide the gridding process. The other cartographic source materials were also converted to grids by the same general methods. Those other sources, which were originally in hardcopy format, were adapted for input to this processing by the Geographical Survey Institute of Japan. The exception is the Antarctic Digital Database, which was also in digital format.
dateTime:
DateTime: 1996-01-01T00:00:00
processStep: (LE_ProcessStep)
description: The AUSLIG elevation point file was interpolated to a 30 arc-second gridfile using the GRASS-GIS function s.surf.idw (using 3 nearest points). This work was done at the National Oceanic and Atmospheric Administration, under an agreement with AISLIG, to produce a model for use in GLOBE.
dateTime:
DateTime: 1997-01-01T00:00:00
processStep: (LE_ProcessStep)
description: The Italian DEM for gravity terrain corrections was resampled to 30" gridding by the National Oceanic and Atmospheric Administration, following a joint design by NOAA and the Servizio Geologico Nazionale of Italy.
dateTime:
DateTime: 1994-01-01T00:00:00
processStep: (LE_ProcessStep)
description: The 500-m DEM for New Zealand was reprojected from the New Zealand national projection and datum to latitude-longitude 30" gridding by the U. S. Geological Survey.
dateTime:
DateTime: 1996-01-01T00:00:00
processStep: (LE_ProcessStep)
description: The Zwally/NSIDC DEM for Greenland was resampled to 30 arc-seconds by the Jet Propulsion Laboratory, and blended with other data where available. The latter blended data were removed for transmittal to the GLOBE Task Team for GLOBE assembly, as they were unneeded.
dateTime:
DateTime: 1997-01-01T00:00:00
processStep: (LE_ProcessStep)
description: The DCW hypsography was converted to 30" latitude-longitude grids by the U. S. Geological Survey. Prototyping of techniques also involved University College London. The ANUDEM contour-to-grid software of Australian National University was used, which incorporates streamlines to help guide the gridding process. The other cartographic source materials were also converted to grids by the same general methods. Those other sources, which were originally in hardcopy format, were adapted for input to this processing by the Geographical Survey Institute of Japan. The exception is the Antarctic Digital Database, which was also in digital format
dateTime:
DateTime: 1996-01-01T00:00:00
processStep: (LE_ProcessStep)
description: All candidate data sets for GLOBE were evaluated, and blended using GRASS-GIS' function r.patch (with appropriate masking to avoid incorporating the wrong parts of candidates into the model.
dateTime:
DateTime: 1998-01-01T00:00:00
source: (LI_Source)
description: Source Contribution: elevation data ; Source Type: digital database file
sourceCitation: (CI_Citation)
title: DTED Levels 1 and 0
date: (CI_Date)
date: 1996-01-01
dateType: (CI_DateTypeCode) publication
citedResponsibleParty: (CI_ResponsibleParty)
organisationName: NIMA/DMA
role: (CI_RoleCode) originator
sourceExtent: (EX_Extent)
temporalElement: (EX_TemporalExtent)
extent:
TimePeriod:
beginPosition: 1975-01-01
endPosition: 1996-01-01
source: (LI_Source)
description: Source Contribution: point elevations ; Source Type: digital database file
sourceCitation: (CI_Citation)
title: 30" DEM for Australia, AUSLIG elevation point file
date: (CI_Date)
date: 1998-01-01
dateType: (CI_DateTypeCode) publication
citedResponsibleParty: (CI_ResponsibleParty)
organisationName: Auslig
role: (CI_RoleCode) originator
sourceExtent: (EX_Extent)
temporalElement: (unknown) (EX_TemporalExtent)
extent:
TimePeriod:
beginPosition:
endPosition: 1996-01-01
source: (LI_Source)
description: Source Contribution: elevation data Tenkuba, Japan ; Source Type: digital database file
sourceCitation: (CI_Citation)
title: 30" DEM for Japan
date: (CI_Date)
date: 1998-01-01
dateType: (CI_DateTypeCode) publication
citedResponsibleParty: (CI_ResponsibleParty)
organisationName: Geographic Survey Institute
role: (CI_RoleCode) originator
sourceExtent: (EX_Extent)
temporalElement: (unknown) (EX_TemporalExtent)
extent:
TimePeriod:
beginPosition:
endPosition: 1995-01-01
source: (LI_Source)
description: Source Contribution: elevation data ; Source Type: Magnetic Tape
scaleDenominator: (MD_RepresentativeFraction)
denominator: 99999999
sourceCitation: (CI_Citation)
title: Italian DEM for DTD
date: (CI_Date)
date: 1994-01-01
dateType: (CI_DateTypeCode) publication
citedResponsibleParty: (CI_ResponsibleParty)
organisationName: NGDC
role: (CI_RoleCode) originator
sourceExtent: (EX_Extent)
temporalElement: (unknown) (EX_TemporalExtent)
extent:
TimePeriod:
beginPosition:
endPosition: 1985-01-01
source: (LI_Source)
description: Source Contribution: 500-metre DEM for New Zealand ; Source Type: Digital Database File
scaleDenominator: (MD_RepresentativeFraction)
denominator: 63360
sourceCitation: (CI_Citation)
title: DEM for New Zealand
date: (CI_Date)
date: 1996-01-01
dateType: (CI_DateTypeCode) publication
citedResponsibleParty: (CI_ResponsibleParty)
organisationName: Manaak: Whenna Landoare Research, New Zealand
role: (CI_RoleCode) originator
sourceExtent: (EX_Extent)
temporalElement: (unknown) (EX_TemporalExtent)
extent:
TimePeriod:
beginPosition:
endPosition: 1995-01-01
source: (LI_Source)
description: Source Contribution: elevation data from NASA Goddard and Hughes ; Source Type: digital database file
scaleDenominator: (MD_RepresentativeFraction)
denominator: 99999999
sourceCitation: (CI_Citation)
title: DEM for Greenland
date: (CI_Date)
date: 1997-01-01
dateType: (CI_DateTypeCode) publication
citedResponsibleParty: (CI_ResponsibleParty)
organisationName: NASA Goddard
role: (CI_RoleCode) originator
sourceExtent: (EX_Extent)
temporalElement: (EX_TemporalExtent)
extent:
TimePeriod:
beginPosition: 1985-01-01
endPosition: 1986-01-01
source: (LI_Source)
description: Source Contribution: Vector cartographic data from DMA ; Source Type: CD-ROM
scaleDenominator: (MD_RepresentativeFraction)
denominator: 1000000
sourceCitation: (CI_Citation)
title: Digital Chart of the World
date: (CI_Date)
date: 1998-01-01
dateType: (CI_DateTypeCode) publication
citedResponsibleParty: (CI_ResponsibleParty)
organisationName: DMA
role: (CI_RoleCode) originator
sourceExtent: (EX_Extent)
temporalElement: (EX_TemporalExtent)
extent:
TimePeriod:
beginPosition: 1987-01-01
endPosition: 1992-01-01
source: (LI_Source)
description: Source Contribution: elevation data ; Source Type: Paper
scaleDenominator: (MD_RepresentativeFraction)
denominator: 1000000
sourceCitation: (CI_Citation)
title: AMS Maps
date: (CI_Date)
date: (unknown)
dateType: (CI_DateTypeCode) publication
citedResponsibleParty: (CI_ResponsibleParty)
organisationName: NGDC
role: (CI_RoleCode) originator
sourceExtent: (EX_Extent)
temporalElement: (unknown) (EX_TemporalExtent)
extent:
TimePeriod:
beginPosition:
endPosition:
source: (LI_Source)
description: Source Contribution: elevation data ; Source Type: Paper
scaleDenominator: (MD_RepresentativeFraction)
denominator: 1000000
sourceCitation: (CI_Citation)
title: IMW Maps
date: (CI_Date)
date: (unknown)
dateType: (CI_DateTypeCode) publication
citedResponsibleParty: (CI_ResponsibleParty)
organisationName: NGDC
role: (CI_RoleCode) originator
sourceExtent: (EX_Extent)
temporalElement: (unknown) (EX_TemporalExtent)
extent:
TimePeriod:
beginPosition:
endPosition:
source: (LI_Source)
description: Source Contribution: elevation data ; Source Type: Paper
scaleDenominator: (MD_RepresentativeFraction)
denominator: 1000000
sourceCitation: (CI_Citation)
title: Map of Peru
date: (CI_Date)
date: 1984-01-01
dateType: (CI_DateTypeCode) publication
citedResponsibleParty: (CI_ResponsibleParty)
organisationName: Ministeria de Guerra
role: (CI_RoleCode) originator
sourceExtent: (EX_Extent)
temporalElement: (unknown) (EX_TemporalExtent)
extent:
TimePeriod:
beginPosition:
endPosition: 1984-01-01
source: (LI_Source)
description: Source Contribution: 30" elevation data ; Source Type: CD-ROM
scaleDenominator: (MD_RepresentativeFraction)
denominator: 99999999
sourceCitation: (CI_Citation)
title: Antartic Digital DB
date: (CI_Date)
date: 1993-01-01
dateType: (CI_DateTypeCode) publication
citedResponsibleParty: (CI_ResponsibleParty)
organisationName: USGS
role: (CI_RoleCode) originator
sourceExtent: (EX_Extent)
temporalElement: (unknown) (EX_TemporalExtent)
extent:
TimePeriod:
beginPosition:
endPosition: 1994-01-01
source: (LI_Source)
description: Source Contribution: elevation data ; Source Type: digital database file
scaleDenominator: (MD_RepresentativeFraction)
denominator: 99999999
sourceCitation: (CI_Citation)
title: NGDC Topographic Data
date: (CI_Date)
date: 1998-01-01
dateType: (CI_DateTypeCode) publication
citedResponsibleParty: (CI_ResponsibleParty)
organisationName: NGDC
role: (CI_RoleCode) originator
sourceExtent: (EX_Extent)
temporalElement: (unknown) (EX_TemporalExtent)
extent:
TimePeriod:
beginPosition:
endPosition:
source: (LI_Source)
description: Source Contribution: elevation data ; Source Type: CD-ROM and online
scaleDenominator: (MD_RepresentativeFraction)
denominator: 99999999
sourceCitation: (CI_Citation)
title: Globe
date: (CI_Date)
date: 1998-01-01
dateType: (CI_DateTypeCode) publication
citedResponsibleParty: (CI_ResponsibleParty)
organisationName: NGDC
role: (CI_RoleCode) originator
sourceExtent: (EX_Extent)
temporalElement: (unknown) (EX_TemporalExtent)
extent:
TimePeriod:
beginPosition:
endPosition: 1998-01-01
source: (LI_Source)
description: Source Contribution: elevation data ; Source Type: magnetic tape and online
scaleDenominator: (MD_RepresentativeFraction)
denominator: 250000
sourceCitation: (CI_Citation)
title: USGS DEMs
date: (CI_Date)
date: 1998-01-01
dateType: (CI_DateTypeCode) publication
citedResponsibleParty: (CI_ResponsibleParty)
organisationName: USGS
role: (CI_RoleCode) originator
sourceExtent: (EX_Extent)
temporalElement: (unknown) (EX_TemporalExtent)
extent:
TimePeriod:
beginPosition:
endPosition: 1970-01-01
source: (LI_Source)
description: Source Contribution: elevation data ; Source Type: digital database file
scaleDenominator: (MD_RepresentativeFraction)
denominator: 99999999
sourceCitation: (CI_Citation)
title: USGS GTOPO 30
date: (CI_Date)
date: 1998-01-01
dateType: (CI_DateTypeCode) publication
citedResponsibleParty: (CI_ResponsibleParty)
organisationName: USGS
role: (CI_RoleCode) originator
sourceExtent: (EX_Extent)
temporalElement: (unknown) (EX_TemporalExtent)
extent:
TimePeriod:
beginPosition:
endPosition: 1996-01-01
source: (LI_Source)
description: Source Contribution: elevation data ; Source Type: digital database file
scaleDenominator: (MD_RepresentativeFraction)
denominator: 99999999
sourceCitation: (CI_Citation)
title: 30" DEM for Australia
date: (CI_Date)
date: 1998-01-01
dateType: (CI_DateTypeCode) publication
citedResponsibleParty: (CI_ResponsibleParty)
organisationName: Auslig
role: (CI_RoleCode) originator
sourceExtent: (EX_Extent)
temporalElement: (unknown) (EX_TemporalExtent)
extent:
TimePeriod:
beginPosition:
endPosition: 1996-01-01
source: (LI_Source)
description: Source Contribution: elevation data from 7.5 x 10 sec DEM developed by Serrizio Grologica Nazionale ; Source Type: digital database file
scaleDenominator: (MD_RepresentativeFraction)
denominator: 99999999
sourceCitation: (CI_Citation)
title: DEM for Italy
date: (CI_Date)
date: 1994-01-01
dateType: (CI_DateTypeCode) publication
citedResponsibleParty: (CI_ResponsibleParty)
organisationName: Sarrizio Grologico Nazionale
role: (CI_RoleCode) originator
sourceExtent: (EX_Extent)
temporalElement: (unknown) (EX_TemporalExtent)
extent:
TimePeriod:
beginPosition:
endPosition: 1984-01-01
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metadataMaintenance: (MD_MaintenanceInformation)
maintenanceAndUpdateFrequency: (MD_MaintenanceFrequencyCode) asNeeded
maintenanceNote: Modified for compliance to NCEI Template v1.2.