Hurricane Delta Overwash Extents

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Metadata:

Identification_Information:
Citation:
Citation_Information:
Originator: Kara S. Doran
Originator: Justin J. Birchler
Originator: Kirsten J. Bendik
Publication_Date: 20240611
Title: Hurricane Delta Overwash Extents
Edition: 2.0
Geospatial_Data_Presentation_Form: vector digital data
Larger_Work_Citation:
Citation_Information:
Originator: Kara S. Doran
Originator: Justin J. Birchler
Originator: Kirsten J. Bendik
Publication_Date: 20190813
Title: Storm-Induced Overwash Extent
Edition: 3.0
Series_Information:
Series_Name: U.S. Geological Survey data release
Issue_Identification: doi:10.5066/P9BW6CG6
Publication_Information:
Publication_Place: St. Petersburg, FL
Publisher: U.S. Geological Survey
Online_Linkage: https://doi.org/10.5066/P9BW6CG6
Description:
Abstract:
The National Assessment of Coastal Change Hazards project at the U.S. Geological Survey (USGS) exists to understand and predict storm impacts to our nation's coastlines. This geospatial dataset defines the alongshore extent of overwash sediments deposited along the Louisiana coast and attributed to coastal processes during [Atlantic Basin] Hurricane Delta, which made landfall in the U.S. on October 9, 2020.
Purpose:
To provide alongshore extents of overwash deposits caused by Hurricane Delta.
Time_Period_of_Content:
Time_Period_Information:
Range_of_Dates/Times:
Beginning_Date: 20201010
Ending_Date: 20201011
Currentness_Reference: ground condition
Status:
Progress: Complete
Maintenance_and_Update_Frequency: None planned
Spatial_Domain:
Bounding_Coordinates:
West_Bounding_Coordinate: -93.754469
East_Bounding_Coordinate: -92.280616
North_Bounding_Coordinate: 29.778053
South_Bounding_Coordinate: 29.532398
Keywords:
Theme:
Theme_Keyword_Thesaurus: USGS Metadata Identifier
Theme_Keyword: USGS:568a470b-70ad-4249-8fe0-a2b16267b049
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: Coastal and Marine Hazards and Resources Program
Theme_Keyword: CMHRP
Theme_Keyword: SPCMSC
Theme:
Theme_Keyword_Thesaurus: ISO 19115 Topic Category
Theme_Keyword: geoscientificInformation
Theme_Keyword: oceans
Theme_Keyword: environment
Theme:
Theme_Keyword_Thesaurus: USGS Thesaurus
Theme_Keyword: hazards
Theme_Keyword: marine geology
Theme_Keyword: ocean sciences
Theme_Keyword: coastal processes
Theme_Keyword: sand deposits
Theme_Keyword: sedimentation
Place:
Place_Keyword_Thesaurus: Geographic Names Information System
Place_Keyword: State of Louisiana
Access_Constraints: None
Use_Constraints:
Public domain data from the U.S. Government are freely redistributable with proper metadata and source attribution. The U.S. Geological Survey requests to be acknowledged as originators of the data in future products or derivative research.
Point_of_Contact:
Contact_Information:
Contact_Organization_Primary:
Contact_Organization: U.S. Geological Survey
Contact_Person: Kara S. Doran
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: 727-502-8117
Contact_Facsimile_Telephone: 727-502-8001
Contact_Electronic_Mail_Address: kdoran@usgs.gov
Native_Data_Set_Environment:
Microsoft Windows 10 Version 1909 (Build 18363.1500); Esri ArcMap 10.7.1; Global Mapper 21.1
Cross_Reference:
Citation_Information:
Originator: Birchler, J.J., Doran, K.S., Long, J.W., and Stockdon, H.F.
Publication_Date: 2019
Title:
Hurricane Matthew: Predictions, Observations, and an Analysis of Coastal Change
Series_Information:
Series_Name: U.S. Geological Survey Open-File Report 2019-1095
Issue_Identification: doi:10.3133/ofr20191095
Publication_Information:
Publication_Place: St. Petersburg, Florida
Publisher:
U.S. Geological Survey - St. Petersburg Coastal and Marine Science Center
Online_Linkage: https://doi.org/10.3133/ofr20191095
Data_Quality_Information:
Logical_Consistency_Report:
Data were reviewed for quality analysis/quality control (QA/QC'd) by an independent researcher using NOAA photography.
Completeness_Report:
This dataset is considered complete for the information presented, as described in the abstract section. Users are advised to read the rest of the metadata record carefully for additional details.
Positional_Accuracy:
Horizontal_Positional_Accuracy:
Horizontal_Positional_Accuracy_Report:
No formal horizontal positional accuracy tests were conducted. Geographic coordinates were projected to the North American Datum of 1983 (NAD 83) Universal Transverse Mercator Zone 15 North (UTM 15N) coordinate system.
Vertical_Positional_Accuracy:
Vertical_Positional_Accuracy_Report:
No formal positional vertical accuracy tests were conducted. Data was not projected or referenced to a vertical coordinate system.
Lineage:
Source_Information:
Source_Citation:
Citation_Information:
Originator:
Department of Commerce (DOC), National Oceanic and Atmospheric Administration (NOAA), National Ocean Service (NOS), National Geodetic Survey (NGS), Remote Sensing Division
Publication_Date: 20200827
Title: 2020 NOAA NGS Emergency Response Imagery: Hurricane Delta
Publication_Information:
Publication_Place: Silver Spring, MD
Publisher: NOAA's Ocean Service, National Geodetic Survey (NGS)
Online_Linkage: https://storms.ngs.noaa.gov/storms/delta/index.html
Type_of_Source_Media: online digital data
Source_Time_Period_of_Content:
Time_Period_Information:
Range_of_Dates/Times:
Beginning_Date: 20201010
Ending_Date: 20201011
Source_Currentness_Reference: ground condition
Source_Citation_Abbreviation: NOAA post-storm
Source_Contribution: Post-storm imagery used to determine overwash extent.
Source_Information:
Source_Citation:
Citation_Information:
Originator:
Department of Commerce (DOC), National Oceanic and Atmospheric Administration (NOAA), National Ocean Service (NOS), National Geodetic Survey (NGS), Remote Sensing Division
Publication_Date: 201601
Title: Aerial Photography: NOAA Oblique Imagery
Publication_Information:
Publication_Place: Silver Spring, MD
Publisher: NOAA's Ocean Service, National Geodetic Survey (NGS)
Online_Linkage: https://geodesy.noaa.gov/storm_archive/storms/index.shtml
Type_of_Source_Media: online digital data
Source_Time_Period_of_Content:
Time_Period_Information:
Range_of_Dates/Times:
Beginning_Date: 201501
Ending_Date: present
Source_Currentness_Reference: ground condition
Source_Citation_Abbreviation: NOAA pre-storm
Source_Contribution: Pre-storm imagery used to determine whether overwash occurred.
Process_Step:
Process_Description:
Overwash extents were manually delineated, using editing tools in ArcMap (10.7.1) by comparing the coastline in Louisiana with pre-storm and post-storm imagery. In order to determine whether overwash had occurred in the study area, USGS staff searched for new sand deposits over roads, marshes and vegetation using methods in Birchler and others (2019).
Source_Used_Citation_Abbreviation: NOAA pre-storm
Source_Used_Citation_Abbreviation: NOAA post-storm
Process_Date: 20201016
Process_Step:
Process_Description:
Overwash extents were QA/QC'd by an independent, second researcher at the USGS using NOAA photography to determine if any features were erroneously identified as overwash but were actually dune erosion (Birchler and others, 2019). The final dataset is a polyline shapefile (.shp) that represent the overwash extent from Hurricane Delta in October 2020.
Source_Used_Citation_Abbreviation: NOAA pre-storm
Source_Used_Citation_Abbreviation: NOAA post-storm
Process_Date: 20201102
Source_Produced_Citation_Abbreviation: Delta_Overwash_Extent.shp
Process_Step:
Process_Description:
The final overwash extent shapefile was converted to a Zipped Keyhole Markup Language (.kmz) file using tools in Global Mapper 21.1 for use with non-proprietary software.
Source_Used_Citation_Abbreviation: Delta_Overwash_Extent.shp
Process_Date: 20210223
Source_Produced_Citation_Abbreviation: Delta_Overwash_Extent.kmz
Process_Step:
Process_Description:
This metadata record was versioned in conjunction with version 3.0 of the data release to remove the USGS obliques source citation.
Process_Date: 20240611
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: 84
Spatial_Reference_Information:
Horizontal_Coordinate_System_Definition:
Planar:
Grid_Coordinate_System:
Grid_Coordinate_System_Name: Universal Transverse Mercator
Universal_Transverse_Mercator:
UTM_Zone_Number: 15
Transverse_Mercator:
Scale_Factor_at_Central_Meridian: 0.9996
Longitude_of_Central_Meridian: -93.0
Latitude_of_Projection_Origin: 0.0
False_Easting: 500000.0
False_Northing: 0.0
Planar_Coordinate_Information:
Planar_Coordinate_Encoding_Method: coordinate pair
Coordinate_Representation:
Abscissa_Resolution: 0.6096
Ordinate_Resolution: 0.6096
Planar_Distance_Units: meters
Geodetic_Model:
Horizontal_Datum_Name: North American Datum of 1983
Ellipsoid_Name: GRS_1980
Semi-major_Axis: 6378137.0
Denominator_of_Flattening_Ratio: 298.257223563
Entity_and_Attribute_Information:
Detailed_Description:
Entity_Type:
Entity_Type_Label: Delta_Overwash_Extent.shp
Entity_Type_Definition:
Attribute table of the delineated overwash extents from the landfall of Hurricane Delta in 2020.
Entity_Type_Definition_Source: USGS
Attribute:
Attribute_Label: FID
Attribute_Definition: Overwash segment identification number.
Attribute_Definition_Source: Esri
Attribute_Domain_Values:
Range_Domain:
Range_Domain_Minimum: 0
Range_Domain_Maximum: 83
Attribute:
Attribute_Label: Shape
Attribute_Definition: Feature geometry.
Attribute_Definition_Source: Esri
Attribute_Domain_Values:
Unrepresentable_Domain: Coordinates defining the features.
Attribute:
Attribute_Label: TYPE
Attribute_Definition:
The type of substrate in which the overwash extent deposited onto. If the field is left blank, the overwash extent did not cover any of the substrates defined below.
Attribute_Definition_Source: USGS
Attribute_Domain_Values:
Enumerated_Domain:
Enumerated_Domain_Value: MARSH
Enumerated_Domain_Value_Definition: The substrate onto which overwash sediments are deposited.
Enumerated_Domain_Value_Definition_Source: USGS
Attribute:
Attribute_Label: SHAPE_Leng
Attribute_Definition: Length of line segment, in meters.
Attribute_Definition_Source: Esri
Attribute_Domain_Values:
Range_Domain:
Range_Domain_Minimum: 0.672306
Range_Domain_Maximum: 16401.989658
Attribute_Units_of_Measure: meters
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
Contact_Voice_Telephone: 727-502-8000
Contact_Electronic_Mail_Address: gs-g-spcmsc_data_inquiries@usgs.gov
Resource_Description: Delta_Overwash_Extent.shp, Delta_Overwash_Extent.kmz
Distribution_Liability:
This digital publication was prepared by an agency of the United States Government. Although these data have been processed successfully on a computer system at the U.S. Geological Survey, no warranty expressed or implied is made regarding the display or utility of the data on any other system, nor shall the act of distribution imply any such warranty. The U.S. Geological Survey shall not be held liable for improper or incorrect use of the data described and (or) contained herein. Reference herein to any specific commercial product, process, or service by trade name, trademark, manufacturer, or otherwise does not constitute or imply its endorsement, recommendation, or favoring by the United States Government or any agency thereof.
Standard_Order_Process:
Digital_Form:
Digital_Transfer_Information:
Format_Name: Shapefile, KML
File_Decompression_Technique:
The data download file is compressed and must be unzipped using software such as WinZip, 7Zip, etc. before use.
Digital_Transfer_Option:
Online_Option:
Computer_Contact_Information: Access_Instructions: None
Fees: None
Metadata_Reference_Information:
Metadata_Date: 20240611
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
Metadata_Standard_Name: Content Standard for Digital Geospatial Metadata
Metadata_Standard_Version: FGDC-STD-001-1998

This page is <https://cmgds.marine.usgs.gov/catalog/spcmsc/Delta_Overwash_Extent_metadata.html>
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