Chignik, Alaska Tsunami Forecast Grids for MOST Model
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organisationName: NOAA PMEL Center for Tsunami Research (NCTR)
positionName: NOAA Center for Tsunami Research
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dateStamp: 2019-06-06
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title: Chignik, Alaska Tsunami Forecast Grids for MOST Model
date: (CI_Date)
date: 2011-04-07
dateType: (CI_DateTypeCode) publication
edition: 2013
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Anchor: DOI doi:10.7289/V5TQ5ZJF
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organisationName: NOAA/PMEL/Center for Tsunami Research (NCTR)
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name: Forecast Grids for MOST Model
issueIdentification: Alaska Grids
abstract: The Chignik, Alaska Forecast Grids provides bathymetric data strictly for tsunami inundation modeling with the Method of Splitting Tsunami (MOST) model. MOST is a suite of numerical simulation codes capable of simulating three processes of tsunami evolution: generation, transoceanic propagation, and inundation of dry land. Tsunami waves are computationally propagated across a set of three nested grids (A, B, and C), each of which is successively finer in resolution, moving from offshore to onshore. Nearshore details are resolved to the point that model output can be directly compared with tide gauge observations and can provide estimates of wave arrival time, wave amplitude and simulation of wave inundation onto dry land. A Grid Resolution: 108 arc-sec in x direction, 72 arc-sec in y direction. B Grid Resolution: 17.9 arc-sec in x direction, 11.9 arc-sec in y direction. C Grid Resolution: 2 arc-sec in x direction, 1 arc-sec in y direction.
purpose: This grid was constructed for use in tsunami inundation modeling.
credit: NOAA/PMEL/Center for Tsunami Research (NCTR)
status: (MD_ProgressCode) completed
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organisationName: NOAA PMEL Center for Tsunami Research (NCTR)
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fileName: https://gis.ngdc.noaa.gov/arcgis/rest/directories/arcgisoutput/DEM_mosaics/DEM_global_mosaic_hillshade_ImageServer/_ags_9ec8c88e_aa0d_4eac_a113_035c097d2421.jpg
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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 > Land Surface > Topography > Terrain Elevation > Topographical Relief Maps
keyword: Earth Science > Oceans > Coastal Processes > Coastal Elevation
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date: 2020-01-09
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edition: 9.1
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organisationName: NASA Goddard Space Flight Center, Earth Science Data and Information System
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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.
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descriptiveKeywords: (MD_Keywords)
keyword: 1 meter - < 30 meters
keyword: < 1 meter
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keyword: Coastal Relief
keyword: Gridded elevations
keyword: Integrated bathymetry and topography
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keyword: DOC/NOAA/NESDIS/NCEI > National Centers for Environmental Information, NESDIS, NOAA, U.S. Department of Commerce
keyword: DOC/NOAA/NESDIS/NGDC > National Geophysical Data Center, NESDIS, NOAA, U.S. Department of Commerce
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function: (CI_OnLineFunctionCode) information
role: (CI_RoleCode) custodian
descriptiveKeywords: (MD_Keywords)
keyword: Continent > North America > United States of America > Alaska
keyword: Ocean > Pacific Ocean > North Pacific Ocean > Gulf of Alaska
keyword: Vertical Location > Land Surface
keyword: Vertical Location > Sea Floor
type: (MD_KeywordTypeCode) place
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title: Global Change Master Directory (GCMD) Location Keywords
date: (unknown)
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keyword: Alaska
keyword: Craig
keyword: Chignik
keyword: Alaska Peninsula
keyword: Gulf of Alaska
type: (MD_KeywordTypeCode) place
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title: Uncontrolled
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keyword: 2011
type: (MD_KeywordTypeCode) temporal
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title: None
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resourceConstraints: (MD_LegalConstraints)
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otherConstraints: Cite as: NOAA Pacific Marine Environmental Laboratory, Center for Tsunami Research (NCTR), 2013. Chignik, Alaska Tsunami Forecast Grids for MOST Model. NOAA National Centers for Environmental Information. doi:10.7289/V5TQ5ZJF [access date].
resourceConstraints: (MD_Constraints)
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.
resourceConstraints: (MD_Constraints)
useLimitation: Produced by the NOAA National Centers for Environmental Information. Not subject to copyright protection within the United States.
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accessConstraints: (MD_RestrictionCode) otherRestrictions
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.
spatialRepresentationType: (MD_SpatialRepresentationTypeCode) grid
language: eng; USA
topicCategory: (MD_TopicCategoryCode) geoscientificInformation
environmentDescription: Native Dataset Environment: Microsoft Windows 2000 Version 5.2 (Build 3790) Service Pack 2; ESRI ArcCatalog 9.2.4.1420
extent: (EX_Extent)
description: ISO valid extents for A Grid
geographicElement: (EX_GeographicBoundingBox)
westBoundLongitude: -161.7460
eastBoundLongitude: -154.5160
southBoundLatitude: 53.8197
northBoundLatitude: 57.9597
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TimeInstant:
timePosition: 2011-04-07
extent: (EX_Extent)
description: ISO valid extents for B Grid
geographicElement: (EX_GeographicBoundingBox)
extentTypeCode: true
westBoundLongitude: -158.7300
eastBoundLongitude: -157.7800
southBoundLatitude: 55.8700
northBoundLatitude: 56.5200
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timePosition: 2011-04-07
extent: (EX_Extent)
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westBoundLongitude: -158.4600
eastBoundLongitude: -158.3300
southBoundLatitude: 56.2900
northBoundLatitude: 56.3800
temporalElement: (EX_TemporalExtent)
extent:
TimeInstant:
timePosition: 2011-04-07
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distributionInfo: (MD_Distribution)
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name: NetCDF
version: 1
specification: NetCDF
distributor: (MD_Distributor)
distributorContact: (CI_ResponsibleParty)
organisationName: NOAA National Centers for Environmental Information
positionName: DEM Information
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electronicMailAddress: dem.info@noaa.gov
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linkage: https://www.ngdc.noaa.gov/thredds/catalog.html
protocol: THREDDS Catalog
name: NCEI Thredds Data Server
description: NCEI Thredds Data Server
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dataQualityInfo: (DQ_DataQuality)
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nameOfMeasure: Horizontal Positional Accuracy Report
evaluationMethodDescription: The horizontal accuracy of the grid is expressed as an estimated root mean square error (RMSE). The estimate of the RMSE is based on horizontal accuracy tests of the source data which are selected as equal to or less than the intended horizontal RMSE error of the grid. Horizontal positioning of the various source points were compared with each other to verify grid accuracy.
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nameOfMeasure: Vertical Positional Accuracy Report
evaluationMethodDescription: The vertical RMSE is used to determine vertical accuracy of the grid. It accounts for systematic and random errors. The accuracy of bathymetric soundings are within 2% of depth. The original topographic soundings are accurate within one-half the contour interval.
result: (missing)
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evaluationMethodDescription: Errant data points were removed from the various sources before processing the grid. The final grid was visually and statistically inspected for completeness using ArcGIS.
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measureDescription: Each data set went through a stringent quality control procedure from their respective originators. The developed grid was compared with initial sources, other source control data, and corresponding data between datasets to verify accuracy.
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description: Source Contribution: digital elevation models
sourceCitation: (CI_Citation)
title: Chignik, Alaska 1 arc-sec Coastal Digital Elevation Model
date: (CI_Date)
date: 2008-10-24
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otherCitationDetails: DEM 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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title: Chignik, Alaska 1/3 arc-sec Coastal Digital Elevation Model
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date: 2010-10-24
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otherCitationDetails: DEM 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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timePosition: 2010-10-24
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dateOfNextUpdate: 2017-02-01
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