Identification_Information:
  Citation:
    Citation_Information:
      Originator: Justin J. Birchler
      Originator: Margaret L. Palmsten
      Originator: Kara S. Doran
      Publication_Date: 20260130
      Title: Hurricane Delta Assessment of Potential Coastal-Change Impacts: NHC Advisory 17, 08-Oct-2020 18:00:00
      Geospatial_Data_Presentation_Form: vector digital data
      Larger_Work_Citation:
        Citation_Information:
          Originator: Justin J. Birchler
          Originator: Margaret L. Palmsten
          Originator: Kara S. Doran
          Publication_Date: 20260130
          Title: Storm-Induced Coastal Change Forecasts: Louisiana Hurricanes Laura and Delta 2020
          Series_Information:
            Series_Name: U.S. Geological Survey data release
            Issue_Identification: doi:10.5066/P148QCG4
          Publication_Information:
            Publication_Place: St. Petersburg, Florida
            Publisher: U.S. Geological Survey - St. Petersburg Coastal and Marine Science Center
          Online_Linkage: https://doi.org/10.5066/P148QCG4
  Description:
    Abstract: This dataset contains information on the probabilities of storm-induced erosion (collision, inundation and overwash) on sandy beaches along the U.S. Gulf coast of Texas, Louisiana, Mississippi, and Alabama during hurricane impact conditions of Hurricane Delta in October 2020. The analysis is based on a storm-impact scaling model that uses observations of dune morphology combined with sophisticated hydrodynamic models to predict how the coast will respond to storm events. Storm-induced water levels, due to both surge and waves, were compared to beach and dune elevations to determine the probabilities of three types of coastal change: collision (dune erosion), overwash, and inundation. Dune morphology observations (dune crest and toe elevation) were derived from topographic lidar (light detection and ranging) surveys. Hydrodynamic data were derived from the National Oceanic and Atmospheric Administration (NOAA) Nearshore Wave Prediction System model (wave setup and runup) and the NOAA Probabilistic Tropical Storm Surge model (storm surge). Storm surge exceedance levels of 10, 20, 30, 40, 50, and 90% were used; meaning that, for the 10% exceedance level, the storm surge would be expected to exceed the water level forecast in only 10% of locations, for example. The storm surge, mean and extreme water levels, and probabilities of collision, overwash, and inundation varied due to each storm surge exceedance level. Multiple similar variables are included in each data file for these parameters; the basic names are appended using the following format: ‘e10’ for the 10% exceedance level of storm surge. Data are provided for each NOAA National Hurricane Center (NHC) advisory during the study period for each storm. For further information regarding data collection and/or processing methods, refer to Stockdon and others (2012). For further information regarding dune morphology observations refer to Doran and others (2017).
    Purpose: To provide data on the probability of storm-induced coastal erosion hazards for the Texas, Louisiana, Mississippi, and Alabama coast for Hurricane Delta.
    Supplemental_Information: The following websites provide background information on USGS research topics that pertain to the data contained herein; Forecasting Coastal Change, https://www.usgs.gov/programs/cmhrp/science/forecasting-coastal-change and Storm-Induced Coastal Change, https://www.usgs.gov/centers/spcmsc/science/storm-induced-coastal-change.
  Time_Period_of_Content:
    Time_Period_Information:
      Single_Date/Time:
        Calendar_Date: 20201008
    Currentness_Reference: ground condition
  Status:
    Progress: Complete
    Maintenance_and_Update_Frequency: None planned
  Spatial_Domain:
    Bounding_Coordinates:
      West_Bounding_Coordinate: -96.001724
      East_Bounding_Coordinate: -87.499142
      North_Bounding_Coordinate: 30.283534
      South_Bounding_Coordinate: 28.588313
  Keywords:
    Theme:
      Theme_Keyword_Thesaurus: USGS Metadata Identifier
      Theme_Keyword: USGS:0f0d4800-729d-443a-ba16-22bdc1822a02
    Theme:
      Theme_Keyword_Thesaurus: ISO 19115 Topic Category
      Theme_Keyword: oceans
      Theme_Keyword: elevation
      Theme_Keyword: environment
      Theme_Keyword: geoscientificInformation
    Theme:
      Theme_Keyword_Thesaurus: Global Change Master Science Directory (GCMD)
      Theme_Keyword: EARTH SCIENCE > LAND SURFACE > TOPOGRAPHY > TERRAIN ELEVATION
      Theme_Keyword: EARTH SCIENCE > OCEANS > COASTAL PROCESSES > BEACHES
      Theme_Keyword: PROVIDERS > GOVERNMENT AGENCIES-U.S. FEDERAL AGENCIES > DOI > USGS > DOI/USGS/CMG/SP > ST. PETERSBURG COASTAL AND MARINE SCIENCE CENTER, COASTAL AND MARINE GEOLOGY, U.S. GEOLOGICAL SURVEY, U.S. DEPARTMENT OF THE INTERIOR
    Theme:
      Theme_Keyword_Thesaurus: USGS Thesaurus
      Theme_Keyword: hazards
      Theme_Keyword: marine geology
      Theme_Keyword: ocean sciences
      Theme_Keyword: coastal processes
      Theme_Keyword: erosion
      Theme_Keyword: hurricanes
    Theme:
      Theme_Keyword_Thesaurus: Data Categories for Marine Planning
      Theme_Keyword: distributions
      Theme_Keyword: bathymetry and elevation
      Theme_Keyword: physical habitats and geomorphology
    Theme:
      Theme_Keyword_Thesaurus: Marine Realms Information Bank (MRIB) Keywords
      Theme_Keyword: effects of coastal change
      Theme_Keyword: shoreline accretion
      Theme_Keyword: shoreline erosion
      Theme_Keyword: storm erosion
      Theme_Keyword: topographic mapping
      Theme_Keyword: hurricanes and typhoons
    Theme:
      Theme_Keyword_Thesaurus: None
      Theme_Keyword: U.S. Geological Survey
      Theme_Keyword: USGS
      Theme_Keyword: St. Petersburg Coastal and Marine Science Center
      Theme_Keyword: SPCMSC
      Theme_Keyword: Coastal/Marine Hazards and Resources Program
      Theme_Keyword: CMHRP
      Theme_Keyword: coastal
      Theme_Keyword: Hurricane Delta
    Place:
      Place_Keyword_Thesaurus: Common geographic areas
      Place_Keyword: United States
      Place_Keyword: Texas
      Place_Keyword: Louisiana
      Place_Keyword: Mississippi
      Place_Keyword: Alabama
  Access_Constraints: No access constraints. Please see 'Distribution Information' for details.
  Use_Constraints: These data are marked with a Creative Commons CC0 1.0 Universal License. These data are in the public domain and do not have any use constraints. Users are advised to read the dataset's metadata thoroughly to understand appropriate use and data limitations.
  Point_of_Contact:
    Contact_Information:
      Contact_Organization_Primary:
        Contact_Organization: U.S. Geological Survey
        Contact_Person: Justin J. Birchler
      Contact_Address:
        Address_Type: mailing and physical
        Address: 600 4th Street South
        City: Saint Petersburg
        State_or_Province: FL
        Postal_Code: 33701
        Country: UNITED STATES
      Contact_Voice_Telephone: 727-502-8019
      Contact_Facsimile_Telephone: 727-502-8182
      Contact_Electronic_Mail_Address: jbirchler@usgs.gov
  Data_Set_Credit: The predicted elevations of storm surge were extracted from the National Oceanic and Atmospheric Administration’s (NOAA) Probabilistic Tropical Storm Surge (P-Surge) model; an ensemble model based on the Sea, Lake, and Overland Surges from Hurricanes (SLOSH) model, which has been employed by NOAA in inundation risk studies and operational storm surge forecasting. Wave runup and setup conditions were generated using NOAA's Nearshore Wave Prediction System model.
  Native_Data_Set_Environment: Environment as of Metadata Creation: Microsoft Windows 11 23H2; MATLAB 2024a; Esri ArcGIS Pro 3.4.3
  Cross_Reference:
    Citation_Information:
      Originator: Stockdon, H.F.
      Originator: Doran, K.J.
      Originator: Thompson, D.M.
      Originator: Sopkin, K.L.
      Originator: Plant, N.G.
      Originator: Sallenger, A.H.
      Publication_Date: 20120501
      Title: National Assessment of Hurricane-Induced Coastal Erosion Hazards: Gulf of Mexico
      Series_Information:
        Series_Name: U.S. Geological Survey Open-File Report
        Issue_Identification: 2012–1084
      Publication_Information:
        Publication_Place: Reston, VA
        Publisher: U.S. Geological Survey
      Online_Linkage: https://doi.org/10.3133/ofr20121084
  Cross_Reference:
    Citation_Information:
      Originator: Doran, K.S.
      Originator: Long, J.W.
      Originator: Birchler, J.J.
      Originator: Brenner, O.T.
      Originator: Hardy, M.W.
      Originator: Morgan, K.L.M.
      Originator: Stockdon, H.F.
      Originator: Loubriel Torres, M.
      Publication_Date: 20170805
      Title: Lidar-derived Beach Morphology (Dune Crest, Dune Toe, and Shoreline) for U.S. Sandy Coastlines
      Edition: 7.0
      Series_Information:
        Series_Name: U.S. Geological Survey data release
        Issue_Identification: doi:10.5066/F7GF0S0Z 
      Publication_Information:
        Publication_Place: St. Petersburg, FL
        Publisher: U.S. Geological Survey – St. Petersburg Coastal and Marine Science Center
      Online_Linkage: https://doi.org/10.5066/F7GF0S0Z
Data_Quality_Information:
  Logical_Consistency_Report: No additional checks for consistency were performed on this data.
  Completeness_Report: This dataset includes dune morphology and hurricane hydrodynamic data used to generate probabilities of hurricane-induced erosion, elevation data from lidar surveys are not included. Measurements were collected approximately every 10 meters (m) and summarized to 500-m sections. Sections with greater than 75 percent of data missing were flagged with the invalid number of -999.
  Positional_Accuracy:
    Horizontal_Positional_Accuracy:
      Horizontal_Positional_Accuracy_Report: Horizontal accuracy was not estimated.
    Vertical_Positional_Accuracy:
      Vertical_Positional_Accuracy_Report:
        Vertical accuracy for hydrodynamic measurements (surge, setup, and runup) is dependent on input data. SLOSH model accuracy is estimated to be +/- 20 percent of the calculated value. No other accuracy checks were performed.
        Vertical accuracy for dune morphology (dune crest and toe elevation) data is dependent on the positional accuracy of the lidar data. Estimated accuracy of lidar surveys are +/- 15 centimeters. However, vertical accuracy may vary based on the type of terrain (for example, inaccuracies may increase as slope increases or with the presence of extremely dense vegetation), the accuracy of the global positioning system (GPS), and aircraft-attitude measurements.
  Lineage:
    Source_Information:
      Source_Citation:
        Citation_Information:
          Originator: National Hurricane Center, National Oceanic and Atmospheric Administration
          Publication_Date: 20201008
          Title: Probabilistic Tropical Storm Surge
          Online_Linkage: https://slosh.nws.noaa.gov/psurge/index.php
      Type_of_Source_Media: Online digital data
      Source_Time_Period_of_Content:
        Time_Period_Information:
          Single_Date/Time:
            Calendar_Date: 20201008
        Source_Currentness_Reference: publication date
      Source_Citation_Abbreviation: P-Surge
      Source_Contribution: Storm surge model that was used to estimate surge-induced water levels at the shoreline within the next 80 hours.
    Source_Information:
      Source_Citation:
        Citation_Information:
          Originator: NOAA National Weather Service Environmental Modeling Center
          Publication_Date: 20201008
          Title: Nearshore Wave Prediction System
          Online_Linkage: https://polar.ncep.noaa.gov/nwps/para/viewer.shtml
      Type_of_Source_Media: Online digital data
      Source_Time_Period_of_Content:
        Time_Period_Information:
          Single_Date/Time:
            Calendar_Date: 20201008
        Source_Currentness_Reference: publication date
      Source_Citation_Abbreviation: NWPS
      Source_Contribution: Wave model that was used to estimate wave setup and runup conditions at the shoreline within the next 145 hours.
    Source_Information:
      Source_Citation:
        Citation_Information:
          Originator: Quantum Spatial, Inc., United States Geological Survey (USGS)
          Publication_Date: 20191011
          Title: 2018 USGS Lidar: South Texas
          Other_Citation_Details: Geographic Coverage: South Texas (through Matagorda Island)
          Online_Linkage: https://www.fisheries.noaa.gov/inport/item/57941
      Type_of_Source_Media: Online digital data
      Source_Time_Period_of_Content:
        Time_Period_Information:
          Range_of_Dates/Times:
            Beginning_Date: 20180113
            Ending_Date: 20190223
        Source_Currentness_Reference: ground condition
      Source_Citation_Abbreviation: USGS TX 2018
      Source_Contribution: A lidar survey that was used to estimate dune morphology variables.
    Source_Information:
      Source_Citation:
        Citation_Information:
          Originator: United States Army Corps of Engineers (USACE), Joint Airborne Lidar Bathymetry Technical Center of eXpertise (JALBTCX)
          Publication_Date: 20170913
          Title: 2016 USACE NCMP Topobathy Lidar: Gulf Coast (AL, FL, MS, TX)
          Other_Citation_Details: Geographic Coverage: TX
          Online_Linkage: https://www.fisheries.noaa.gov/inport/item/49738
      Type_of_Source_Media: Online digital data
      Source_Time_Period_of_Content:
        Time_Period_Information:
          Range_of_Dates/Times:
            Beginning_Date: 20160723
            Ending_Date: 20161010
        Source_Currentness_Reference: ground condition
      Source_Citation_Abbreviation: USACE NCMP Gulf Coast 2016
      Source_Contribution: A lidar survey that was used to estimate dune morphology variables.
    Source_Information:
      Source_Citation:
        Citation_Information:
          Originator: Woolpert, Inc., United States Geological Survey (USGS)
          Publication_Date: 20171212
          Title: 2017 USGS Lidar: Chenier Plain, LA
          Other_Citation_Details: Geographic Coverage: LA Chenier Plain
          Online_Linkage: https://www.fisheries.noaa.gov/inport/item/53710
      Type_of_Source_Media: Online digital data
      Source_Time_Period_of_Content:
        Time_Period_Information:
          Range_of_Dates/Times:
            Beginning_Date: 20170108
            Ending_Date: 20170303
        Source_Currentness_Reference: ground condition
      Source_Citation_Abbreviation: USGS LA 2017
      Source_Contribution: A lidar survey that was used to estimate dune morphology variables.
    Source_Information:
      Source_Citation:
        Citation_Information:
          Originator: Digital Aerial Solutions, LLC, United States Geological Survey (USGS)
          Publication_Date: 2020
          Title: 2015 USGS Lidar: South Terrebonne and Gulf Islands, LA
          Other_Citation_Details: Geographic Coverage: LA (South Terrebonne, Gulf, Chandeleur Islands)
          Online_Linkage: https://www.fisheries.noaa.gov/inport/item/73667
      Type_of_Source_Media: Online digital data
      Source_Time_Period_of_Content:
        Time_Period_Information:
          Range_of_Dates/Times:
            Beginning_Date: 20150118
            Ending_Date: 20150213
        Source_Currentness_Reference: ground condition
      Source_Citation_Abbreviation: USGS LA 2015
      Source_Contribution: A lidar survey that was used to estimate dune morphology variables.
    Source_Information:
      Source_Citation:
        Citation_Information:
          Originator: Guy, K.K.
          Originator: Doran, K.J.
          Originator: Stockdon, H.F.
          Originator: Plant, N.G.
          Publication_Date: 20140602
          Title: Topographic Lidar Survey of the Alabama, Mississippi, and Southeast Louisiana Barrier Islands, from September 5 to October 11, 2012
          Series_Information:
            Series_Name: U.S. Geological Survey Data Series
            Issue_Identification: 839
          Other_Citation_Details: Geographic Coverage: LA (west coast islands)
          Online_Linkage: https://doi.org/10.3133/ds839
      Type_of_Source_Media: Online digital data
      Source_Time_Period_of_Content:
        Time_Period_Information:
          Range_of_Dates/Times:
            Beginning_Date: 20120905
            Ending_Date: 20121011
        Source_Currentness_Reference: ground condition
      Source_Citation_Abbreviation: USGS DS839 LA 2012
      Source_Contribution: A lidar survey that was used to estimate dune morphology variables.
    Source_Information:
      Source_Citation:
        Citation_Information:
          Originator: Quantum Spatial, Inc., United States Geological Survey (USGS)
          Publication_Date: 20190329
          Title: 2018 USGS Topobathy Lidar: Gulf Coast Islands (AL, FL, LA)
          Other_Citation_Details: Geographic Coverage: LA (Chandeleurs)
          Online_Linkage: https://www.fisheries.noaa.gov/inport/item/64345
      Type_of_Source_Media: Online digital data
      Source_Time_Period_of_Content:
        Time_Period_Information:
          Range_of_Dates/Times:
            Beginning_Date: 20181027
            Ending_Date: 20181103
        Source_Currentness_Reference: ground condition
      Source_Citation_Abbreviation: USGS LA 2018
      Source_Contribution: A lidar survey that was used to estimate dune morphology variables.
    Source_Information:
      Source_Citation:
        Citation_Information:
          Originator: U.S. Army Corps of Engineers (USACE), Joint Airborne Lidar Bathymetry Technical Center of eXpertise (JALBTCX)
          Publication_Date: 20181108
          Title: 2018 USACE NCMP Topobathy Lidar: Gulf Coast (AL, MS)
          Other_Citation_Details: Geographic Coverage: MS Islands
          Online_Linkage: https://www.fisheries.noaa.gov/inport/item/55844
      Type_of_Source_Media: Online digital data
      Source_Time_Period_of_Content:
        Time_Period_Information:
          Range_of_Dates/Times:
            Beginning_Date: 20181116
            Ending_Date: 20181118
        Source_Currentness_Reference: ground condition
      Source_Citation_Abbreviation: USACE NCMP MS 2018
      Source_Contribution: A lidar survey that was used to estimate dune morphology variables.
    Source_Information:
      Source_Citation:
        Citation_Information:
          Originator: United States Army Corps of Engineers (USACE), Joint Airborne Lidar Bathymetry Technical Center of eXpertise (JALBTCX)
          Publication_Date: 20210316
          Title: 2020 USACE NCMP Post Sally Topobathy Lidar: Gulf Coast (AL, FL, MS)
          Other_Citation_Details: Geographic Coverage: AL
          Online_Linkage: https://www.fisheries.noaa.gov/inport/item/64384/
      Type_of_Source_Media: Online digital data
      Source_Time_Period_of_Content:
        Time_Period_Information:
          Range_of_Dates/Times:
            Beginning_Date: 20200922
            Ending_Date: 20201013
        Source_Currentness_Reference: ground condition
      Source_Citation_Abbreviation: USACE NCMP AL 2020
      Source_Contribution: A lidar survey that was used to estimate dune morphology variables.
    Process_Step:
      Process_Description: For dune morphology data: Elevation data from lidar surveys were interpolated in MATLAB (version R2024a) to a gridded domain that was rotated parallel to the shoreline and had a resolution of 10 m in the alongshore direction and 2.5 m in the cross-shore direction. The interpolation method applied spatial filtering with a Hanning window that was twice as wide as the grid resolution. Dune morphology data were extracted from the elevation grid in MATLAB. Dune morphology data were then summarized to 500-m sections. Sections with greater than 75 percent of data missing were flagged with the invalid number of -999. The 500-m smoothed dune crest (DHIGH), toe (DLOW) and root mean square (RMS) error for each (DHIrms and DLOrms) were written to line shapefiles using MATLAB's shapewrite.m script. For further information regarding dune morphology observations see Doran and others (2017).
      Source_Used_Citation_Abbreviation: USGS TX 2018
      Source_Used_Citation_Abbreviation: USACE NCMP Gulf Coast 2016
      Source_Used_Citation_Abbreviation: USGS LA 2017
      Source_Used_Citation_Abbreviation: USGS LA 2015
      Source_Used_Citation_Abbreviation: USGS DS839 LA 2012
      Source_Used_Citation_Abbreviation: USGS LA 2018
      Source_Used_Citation_Abbreviation: USACE NCMP MS 2018
      Source_Used_Citation_Abbreviation: USACE NCMP AL 2020
      Process_Date: 2020
      Source_Produced_Citation_Abbreviation: Dune morphology (DHIGH, DLOW, DHIrms, DLOrms)
      Process_Contact:
        Contact_Information:
          Contact_Organization_Primary:
            Contact_Organization: U.S. Geological Survey
            Contact_Person: Justin J. Birchler
          Contact_Address:
            Address_Type: mailing and physical
            Address: 600 4th Street South
            City: Saint Petersburg
            State_or_Province: FL
            Postal_Code: 33701
            Country: UNITED STATES
          Contact_Voice_Telephone: 727-502-8019
          Contact_Facsimile_Telephone: 727-502-8182
          Contact_Electronic_Mail_Address: jbirchler@usgs.gov
    Process_Step:
      Process_Description: For hydrodynamic data: Water level was computed in MATLAB by adding storm surge (SURGE) from the NOAA Probabilistic Tropical Storm Surge (P-Surge) model (https://slosh.nws.noaa.gov/psurge/index.php) to wave setup (SETUP) and runup (RUNUP). The mean water level (MEAN) is the sum of storm surge (SURGE) and wave setup (SETUP). The extreme water level (EXTREME) is the sum of storm surge (SURGE) and wave runup (RUNUP). The wave height and period used for calculating wave runup and setup came from the Nearshore Wave Prediction System model (https://polar.ncep.noaa.gov/nwps/). Hydrodynamics names were appended with the exceedance value for storm surge, using the format 'e10' for the 10% exceedance level. Exceedance levels present in this data release are 10, 20, 30, 40, 50, and 90%. Hydrodynamic parameters were calculated in MATLAB and exported into ArcGIS shapefile (.shp) format. For details on modeling parameterization, see Stockdon and others (2012).
      Source_Used_Citation_Abbreviation: P-Surge
      Source_Used_Citation_Abbreviation: NWPS
      Process_Date: 20201008
      Source_Produced_Citation_Abbreviation: Hydrodynamics (SURGE, SETUP, RUNUP, MEAN, EXTREME)
      Process_Contact:
        Contact_Information:
          Contact_Organization_Primary:
            Contact_Organization: U.S. Geological Survey
            Contact_Person: Justin J. Birchler
          Contact_Address:
            Address_Type: mailing and physical
            Address: 600 4th Street South
            City: Saint Petersburg
            State_or_Province: FL
            Postal_Code: 33701
            Country: UNITED STATES
          Contact_Voice_Telephone: 727-502-8019
          Contact_Facsimile_Telephone: 727-502-8182
          Contact_Electronic_Mail_Address: jbirchler@usgs.gov
    Process_Step:
      Process_Description: For probabilities of storm-induced erosion: Probabilities of coastal erosion hazards were based on estimating the likelihood that the beach system would experience erosion and deposition patterns consistent with collision (PCOL), overwash (POVW), or inundation (PIND) regimes. The regimes were calculated by using values of dune morphology and mean (MEAN) and extreme (EXTREME) water levels for each 500-m section, such that the probability of collision (PCOL) occurs when extreme water levels (EXTREME) reach the dune toe; overwash (POVW) when extreme water levels (EXTREME) reach the dune crest; and inundation (PIND) when mean water levels (MEAN) reach the dune crest. Probability variable names were appended with the exceedance value for storm surge, using the format 'e10' for the 10% exceedance level. Exceedance levels present in this data release are 10, 20, 30, 40, 50, and 90%. Probabilities were calculated in MATLAB and exported using MATLAB’s shapewrite.m script. For details on modeling parameterization, see Stockdon and others (2012).
      Source_Used_Citation_Abbreviation: Dune morphology (DHIGH, DLOW, DHIrms, DLOrms)
      Source_Used_Citation_Abbreviation: Hydrodynamics (SURGE, SETUP, RUNUP, MEAN, EXTREME)
      Process_Date: 20201008
      Source_Produced_Citation_Abbreviation: Probabilities (PCOL, POVW, PIND)
      Source_Produced_Citation_Abbreviation: Delta_2020100818_Adv17_PCOI_line.shp
      Process_Contact:
        Contact_Information:
          Contact_Organization_Primary:
            Contact_Organization: U.S. Geological Survey
            Contact_Person: Justin J. Birchler
          Contact_Address:
            Address_Type: mailing and physical
            Address: 600 4th Street South
            City: Saint Petersburg
            State_or_Province: FL
            Postal_Code: 33701
            Country: UNITED STATES
          Contact_Voice_Telephone: 727-502-8019
          Contact_Facsimile_Telephone: 727-502-8182
          Contact_Electronic_Mail_Address: jbirchler@usgs.gov
Spatial_Data_Organization_Information:
  Direct_Spatial_Reference_Method: Vector
  Point_and_Vector_Object_Information:
    SDTS_Terms_Description:
      SDTS_Point_and_Vector_Object_Type: String
      Point_and_Vector_Object_Count: 2203
Spatial_Reference_Information:
  Horizontal_Coordinate_System_Definition:
    Geographic:
      Latitude_Resolution: 0.01975663976
      Longitude_Resolution: 0.0249972312
      Geographic_Coordinate_Units: Decimal Degrees
    Geodetic_Model:
      Horizontal_Datum_Name: D WGS 1984
      Ellipsoid_Name: WGS 1984
      Semi-major_Axis: 6378137.0
      Denominator_of_Flattening_Ratio: 298.257223563
  Vertical_Coordinate_System_Definition:  
    Altitude_System_Definition:  
      Altitude_Datum_Name: North American Vertical Datum 1988 
      Altitude_Resolution: 0.01 
      Altitude_Distance_Units: meters 
      Altitude_Encoding_Method: Attribute values
Entity_and_Attribute_Information:
  Detailed_Description:
    Entity_Type:
      Entity_Type_Label: Delta_2020100818_Adv17_PCOI_line.shp
      Entity_Type_Definition: Shapefile of the probabilities of hurricane-induced coastal erosion, dune morphology, and hurricane hydrodynamic data for Hurricane Delta for NHC Advisory 17, October 08, 2020, 1800 Coordinated Universal Time (UTC).
      Entity_Type_Definition_Source: USGS
    Attribute:
      Attribute_Label: FID
      Attribute_Definition: Internal feature number.
      Attribute_Definition_Source: Esri
      Attribute_Domain_Values:
        Unrepresentable_Domain: Sequential unique whole numbers that are automatically generated.
    Attribute:
      Attribute_Label: Shape
      Attribute_Definition: Feature geometry.
      Attribute_Definition_Source: Esri
      Attribute_Domain_Values:
        Unrepresentable_Domain: Coordinates defining the features; Polyline.
    Attribute:
      Attribute_Label: DHIGH
      Attribute_Definition: Elevation of dune crest, in meters, using the North American Vertical Datum of 1988 (NAVD88). Extracted from lidar surveys collected from September 2012 to October 2020.
      Attribute_Definition_Source: USGS
      Attribute_Domain_Values:
        Range_Domain:
          Range_Domain_Minimum: 0.59721
          Range_Domain_Maximum: 8.2126
          Attribute_Units_of_Measure: meters NAVD88
      Attribute_Domain_Values:
        Enumerated_Domain:
          Enumerated_Domain_Value: -999
          Enumerated_Domain_Value_Definition: Null value
          Enumerated_Domain_Value_Definition_Source: USGS
    Attribute:
      Attribute_Label: DLOW
      Attribute_Definition: Elevation of the dune toe, in meters NAVD88. Extracted from lidar surveys collected from September 2012 to October 2020.
      Attribute_Definition_Source: USGS
      Attribute_Domain_Values:
        Range_Domain:
          Range_Domain_Minimum: 0.83586
          Range_Domain_Maximum: 3.1017
          Attribute_Units_of_Measure: meters NAVD88
      Attribute_Domain_Values:
        Enumerated_Domain:
          Enumerated_Domain_Value: -999
          Enumerated_Domain_Value_Definition: Null value
          Enumerated_Domain_Value_Definition_Source: USGS
    Attribute:
      Attribute_Label: DHIrms
      Attribute_Definition: Root mean square error of dune crest elevation measurements.
      Attribute_Definition_Source: USGS
      Attribute_Domain_Values:
        Range_Domain:
          Range_Domain_Minimum: 0.013283
          Range_Domain_Maximum: 3.0719
          Attribute_Units_of_Measure: meters
      Attribute_Domain_Values:
        Enumerated_Domain:
          Enumerated_Domain_Value: -999
          Enumerated_Domain_Value_Definition: Null value
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Distribution_Information:
  Distributor:
    Contact_Information:
      Contact_Organization_Primary:
        Contact_Organization: U.S. Geological Survey, St. Petersburg Coastal and Marine Science Center
        Contact_Person: USGS SPCMSC Data Management
      Contact_Address:
        Address_Type: mailing and physical
        Address: 600 4th Street South
        City: Saint Petersburg
        State_or_Province: FL
        Postal_Code: 33701
        Country: United States
      Contact_Voice_Telephone: 727-502-8000
      Contact_Electronic_Mail_Address: gs-g-spcmsc_data_inquiries@usgs.gov
  Resource_Description: Delta_2020100818_Adv17_PCOI_line.shp
  Distribution_Liability: Unless otherwise stated, all data, metadata and related materials are considered to satisfy the quality standards relative to the purpose for which the data were collected. Although these data and associated metadata have been reviewed for accuracy and completeness and approved for release by the U.S. Geological Survey (USGS), no warranty expressed or implied is made regarding the display or utility of the data for other purposes, nor on all computer systems, nor shall the act of distribution constitute any such warranty. Any use of trade, firm, or product names is for descriptive purposes only and does not imply endorsement by the U.S. Government.
  Standard_Order_Process:
    Digital_Form:
      Digital_Transfer_Information:
        Format_Name: shapefile
        File_Decompression_Technique: zip
      Digital_Transfer_Option:
        Online_Option:
          Computer_Contact_Information:
            Network_Address:
              Network_Resource_Name: https://coastal.er.usgs.gov/data-release/doi-P148QCG4/data/Delta_2020100818_Adv17.zip
    Fees: None
Metadata_Reference_Information:
  Metadata_Date: 20260129
  Metadata_Contact:
    Contact_Information:
      Contact_Organization_Primary:
        Contact_Organization: U.S. Geological Survey, St. Petersburg Coastal and Marine Science Center
        Contact_Person: USGS SPCMSC Data Management
      Contact_Address:
        Address_Type: mailing and physical
        Address: 600 4th Street South
        City: Saint Petersburg
        State_or_Province: FL
        Postal_Code: 33701
        Country: United States
      Contact_Voice_Telephone: 727-502-8000
      Contact_Electronic_Mail_Address: gs-g-spcmsc_data_inquiries@usgs.gov
  Metadata_Standard_Name: Content Standard for Digital Geospatial Metadata
  Metadata_Standard_Version: FGDC-STD-001-1998
  Metadata_Time_Convention: local time
