Projected groundwater emergence and shoaling along the North and South Carolina coasts

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Metadata:

Identification_Information:
Citation:
Citation_Information:
Originator: Kevin M. Befus
Originator: Daniel J. Hoover
Originator: Patrick L. Barnard
Publication_Date: 20230128
Title:
Projected groundwater emergence and shoaling along the North and South Carolina coasts
Geospatial_Data_Presentation_Form: polygon shapefile
Series_Information:
Series_Name: data release
Issue_Identification: DOI:10.5066/P9W91314
Publication_Information:
Publication_Place:
Pacific Coastal and Marine Science Center Santa Cruz, California
Publisher: U.S. Geological Survey
Online_Linkage: https://doi.org/10.5066/P9W91314
Larger_Work_Citation:
Citation_Information:
Originator: Patrick L. Barnard
Originator: Kevin Befus
Originator: Jeffrey J. Danielson
Originator: Anita C. Engelstad
Originator: Li H. Erikson
Originator: Amy C. Foxgrover
Originator: Matthew W. Hardy
Originator: Daniel J. Hoover
Originator: Tim Leijnse
Originator: Chris Massey
Originator: Robert McCall
Originator: Norberto C. Nadal-Caraballo
Originator: Kees Nederhoff
Originator: Leonard Ohenhen
Originator: Andrea C. O’Neill
Originator: Kai A. Parker
Originator: Manoocher Shirzaei
Originator: Xin Su
Originator: Jennifer A. Thomas
Originator: Maarten van Ormondt
Originator: Sean F. Vitousek
Originator: Kilian Vos
Originator: Madison C. Yawn
Publication_Date: 2023
Title:
Future coastal hazards along the U.S. North and South Carolina coasts
Series_Information:
Series_Name: data release
Issue_Identification: DOI:10.5066/P9W91314
Publication_Information:
Publication_Place: Pacific Coastal and Marine Science Center, Santa Cruz, CA
Publisher: U.S. Geological Survey
Online_Linkage: https://doi.org/10.5066/P9W91314
Description:
Abstract:
Groundwater emergence and shoaling extents are derived from water table depth GeoTIFFs, which are calculated as steady-state groundwater model heads subtracted from high-resolution topographic digital elevation model (DEM) land surface elevations. Results are provided as shapefiles of water table depth in specific depth ranges.
Purpose:
Projections for future sea-level rise provide emergency responders and coastal planners with critical hazards information that can be used to increase public safety, mitigate physical damages, and more effectively manage and allocate resources within complex coastal settings. These data are intended for policy makers, resource managers, science researchers, students, and the general public. These data can be used with geographic information systems or other software to identify and assess possible areas of vulnerability. These data are not intended to be used for navigation.
Supplemental_Information:
This data release was funded by the Additional Supplemental Appropriations for Disaster Relief Act of 2019 (H.R. 2157) for North Carolina and South Carolina. Any use of trade, product, or firm names is for descriptive purposes only and does not imply endorsement by the U.S. Government.
Time_Period_of_Content:
Time_Period_Information:
Range_of_Dates/Times:
Beginning_Date: 20080101
Ending_Date: 2022
Currentness_Reference: oldest dataset used through year of publication
Status:
Progress: Complete
Maintenance_and_Update_Frequency: None Planned
Spatial_Domain:
Bounding_Coordinates:
West_Bounding_Coordinate: -81.469853
East_Bounding_Coordinate: -75.444681
North_Bounding_Coordinate: 36.630934
South_Bounding_Coordinate: 31.870736
Keywords:
Theme:
Theme_Keyword_Thesaurus: USGS Metadata Identifier
Theme_Keyword: USGS:41b221ce-cc95-45fc-ab1f-cfc58d92b62a
Theme:
Theme_Keyword_Thesaurus: Data Categories for Marine Planning
Theme_Keyword: Physical Habitats and Geomorphology
Theme:
Theme_Keyword_Thesaurus: Global Change Master Directory (GCMD)
Theme_Keyword: Hazards Planning
Theme_Keyword: Beaches
Theme_Keyword: Sea Level Rise
Theme_Keyword: Floods
Theme_Keyword: Water Depth
Theme:
Theme_Keyword_Thesaurus: USGS Thesaurus
Theme_Keyword: Climate Change
Theme_Keyword: Floods
Theme_Keyword: Groundwater Flow
Theme_Keyword: Sea-level Change
Theme_Keyword: mathematical modeling
Theme_Keyword: effects of climate change
Theme_Keyword: earth sciences
Theme:
Theme_Keyword_Thesaurus: ISO 19115 Topic Category
Theme_Keyword: Oceans
Theme_Keyword: GeoscientificInformation
Theme_Keyword: InlandWaters
Theme:
Theme_Keyword_Thesaurus: Marine Realms Information Bank (MRIB) keywords
Theme_Keyword: sea level change
Theme_Keyword: floods
Theme:
Theme_Keyword_Thesaurus: None
Theme_Keyword: U.S. Geological Survey
Theme_Keyword: USGS
Theme_Keyword: Coastal and Marine Hazards and Resources Program
Theme_Keyword: CMHRP
Theme_Keyword: Pacific Coastal and Marine Science Center
Theme_Keyword: PCMSC
Place:
Place_Keyword_Thesaurus: Geographic Names Information System
Place_Keyword: State of North Carolina
Place_Keyword: State of South Carolina
Access_Constraints: none
Use_Constraints:
USGS-authored or produced data and information are in the public domain from the U.S. Government and are freely redistributable with proper metadata and source attribution. Please recognize and acknowledge the U.S. Geological Survey and the University of Arkansas as the originators of the dataset and in products derived from these data. This information is not intended for navigation purposes.
Point_of_Contact:
Contact_Information:
Contact_Organization_Primary:
Contact_Organization:
U.S. Geological Survey, Pacific Coastal and Marine Science Center
Contact_Person: PCMSC Science Data Coordinator
Contact_Address:
Address_Type: mailing and physical
Address: 2885 Mission Street
City: Santa Cruz
State_or_Province: CA
Postal_Code: 95060-5792
Country: US
Contact_Voice_Telephone: 831-460-4747
Contact_Facsimile_Telephone: 831-427-4748
Contact_Electronic_Mail_Address: pcmsc_data@usgs.gov
Browse_Graphic:
Browse_Graphic_File_Name: GWHazards_WTdepth_binned_browse_graphic.png
Browse_Graphic_File_Description:
Map showing water table depth results along the coasts of North and South Carolina for the K x 1 and present-day sea-level rise (0m) scenario. Colors represent binned water table depths relative to the ground surface, including areas of emergent (flooded) groundwater (red).
Browse_Graphic_File_Type: PNG
Data_Quality_Information:
Attribute_Accuracy:
Attribute_Accuracy_Report:
Attribute values are model-derived water table depths for present-day and future sea-level rise conditions. The model uses parameters from calibrated and published groundwater models and is intended to show the general response of the shallow coastal water table to sea-level rise. Water table depths are calculated relative to the best-available ground surface elevations from available digital elevation models (DEMs), but DEM inaccuracies introduce additional uncertainty into calculated water table depths. Projected water tables for future sea-level rise conditions cannot be validated against observations.
Logical_Consistency_Report: Data have undergone quality checks and meet standards.
Completeness_Report:
Dataset is considered complete for the information presented. Users are advised to read the metadata record carefully for additional details.
Positional_Accuracy:
Horizontal_Positional_Accuracy:
Horizontal_Positional_Accuracy_Report:
Data are concurrent with topographic digital elevation model (DEM) locations.
Vertical_Positional_Accuracy:
Vertical_Positional_Accuracy_Report:
Model-derived head elevations are accurate within the limitations of the model. The model uses parameters from calibrated, published groundwater models, but limitations due to model resolution and uncertainty in model parameter values may significantly affect modeled head elevations. For water table depths, modeled heads are subtracted from land surface elevations from the best available digital elevation models (DEMs). DEM inaccuracy will introduce additional uncertainty into water table depth results. As a result, water table depth results are intended to show only the general response of the shallow coastal water table to sea-level rise.
Lineage:
Source_Information:
Source_Citation:
Citation_Information:
Originator: Kevin M. Befus
Originator: Daniel J. Hoover
Originator: Patrick L. Barnard
Publication_Date: 2023
Title:
Projected water table depths along the North and South Carolina coasts
Geospatial_Data_Presentation_Form: raster
Publication_Information:
Publication_Place: online
Publisher: U.S. Geological Survey
Online_Linkage: https://doi.org/10.5066/P9W91314
Type_of_Source_Media: digital dataset
Source_Time_Period_of_Content:
Time_Period_Information:
Range_of_Dates/Times:
Beginning_Date: 20080101
Ending_Date: 2022
Source_Currentness_Reference: oldest dataset used through year of publication
Source_Citation_Abbreviation: water table depth
Source_Contribution: raster depths that were converted to polygons by depth range
Process_Step:
Process_Description:
Using water table depth raster data, a polygon shapefile was created for inundated (marine) areas and for water table depths in specific depth ranges (emergent, 0-1m, 1-2m, 2-5m, >5m).
Source_Used_Citation_Abbreviation: water table depth
Process_Date: 20220305
Process_Step:
Process_Description:
Edits were made to correct spelling in author name. No data were changed. The metadata available from a harvester may supersede metadata bundled within a download file. Users are advised to compare the metadata date of this file to any similar file to ensure they are using the most recent version. (scochran@usgs.gov)
Process_Date: 20230516
Spatial_Data_Organization_Information:
Direct_Spatial_Reference_Method: Vector
Spatial_Reference_Information:
Horizontal_Coordinate_System_Definition:
Planar:
Grid_Coordinate_System:
Grid_Coordinate_System_Name: Universal Transverse Mercator
Universal_Transverse_Mercator:
UTM_Zone_Number: 17
Transverse_Mercator:
Scale_Factor_at_Central_Meridian: 0.999600
Longitude_of_Central_Meridian: -81.000000
Latitude_of_Projection_Origin: 0.000000
False_Easting: 500000.000000
False_Northing: 0.000000
Planar_Coordinate_Information:
Planar_Coordinate_Encoding_Method: row and column
Coordinate_Representation:
Abscissa_Resolution: 10.000000
Ordinate_Resolution: 10.000000
Planar_Distance_Units: meters
Geodetic_Model:
Horizontal_Datum_Name: GCS WGS 1984
Ellipsoid_Name: Geodetic Reference System 80
Semi-major_Axis: 6378137.000000
Denominator_of_Flattening_Ratio: 298.257224
Vertical_Coordinate_System_Definition:
Depth_System_Definition:
Depth_Datum_Name: NAVD88
Depth_Resolution: 1.0
Depth_Distance_Units: meters
Depth_Encoding_Method: Implicit coordinate
Entity_and_Attribute_Information:
Detailed_Description:
Entity_Type:
Entity_Type_Label: projected water table depths
Entity_Type_Definition:
shapefiles of projected water table depths for the State, SLR, and K case specified.
Entity_Type_Definition_Source:
originators at United States Geological Survey, Pacific Coastal and Marine Science Center
Attribute:
Attribute_Label: fbin_m
Attribute_Definition: Depth range code
Attribute_Definition_Source: producer defined
Attribute_Domain_Values:
Enumerated_Domain:
Enumerated_Domain_Value: -1
Enumerated_Domain_Value_Definition: inundated (marine)
Enumerated_Domain_Value_Definition_Source: producer defined
Attribute_Domain_Values:
Enumerated_Domain:
Enumerated_Domain_Value: 0
Enumerated_Domain_Value_Definition: emergent
Enumerated_Domain_Value_Definition_Source: producer defined
Attribute_Domain_Values:
Enumerated_Domain:
Enumerated_Domain_Value: 1
Enumerated_Domain_Value_Definition: 0 to 1 meter
Enumerated_Domain_Value_Definition_Source: producer defined
Attribute_Domain_Values:
Enumerated_Domain:
Enumerated_Domain_Value: 2
Enumerated_Domain_Value_Definition: 1 to 2 meters
Enumerated_Domain_Value_Definition_Source: producer defined
Attribute_Domain_Values:
Enumerated_Domain:
Enumerated_Domain_Value: 5
Enumerated_Domain_Value_Definition: 2 to 5 meters
Enumerated_Domain_Value_Definition_Source: producer defined
Attribute_Domain_Values:
Enumerated_Domain:
Enumerated_Domain_Value: 7
Enumerated_Domain_Value_Definition: deeper than 5 meters
Enumerated_Domain_Value_Definition_Source: producer defined
Attribute:
Attribute_Label: type
Attribute_Definition: type of polygon: terrestrial or marine/tidal
Attribute_Definition_Source: producer defined
Attribute_Domain_Values:
Enumerated_Domain:
Enumerated_Domain_Value: terrestrial
Enumerated_Domain_Value_Definition: terrestrial groundwater polygon
Enumerated_Domain_Value_Definition_Source: producer defined
Attribute_Domain_Values:
Enumerated_Domain:
Enumerated_Domain_Value: marine/tidal
Enumerated_Domain_Value_Definition:
surface flooding polygon associated with marine inundation due to sea-level rise, or with tidal flooding associated with the Mean Higher-High Water coastal boundary condition.
Enumerated_Domain_Value_Definition_Source: producer defined
Attribute:
Attribute_Label: wtdepth
Attribute_Definition: Water table depth associated with specific fbin_m code
Attribute_Definition_Source: producer defined
Attribute_Domain_Values:
Enumerated_Domain:
Enumerated_Domain_Value: marine/tidal
Enumerated_Domain_Value_Definition: surface flooding of marine or tidal origin (fbin_m code -1)
Enumerated_Domain_Value_Definition_Source: producer defined
Attribute_Domain_Values:
Enumerated_Domain:
Enumerated_Domain_Value: 0m, emergent
Enumerated_Domain_Value_Definition:
surface flooding associated with terrestrial groundwater emerging at the ground surface (fbin_m code 0).
Enumerated_Domain_Value_Definition_Source: producer defined
Attribute_Domain_Values:
Enumerated_Domain:
Enumerated_Domain_Value: 0-1m, very shallow
Enumerated_Domain_Value_Definition:
groundwater table between the ground surface and 1m below the surface (fbin_m code 1).
Enumerated_Domain_Value_Definition_Source: producer defined
Attribute_Domain_Values:
Enumerated_Domain:
Enumerated_Domain_Value: 1-2m, shallow
Enumerated_Domain_Value_Definition:
groundwater table between 1 and 2m below the ground surface (fbin_m code 2).
Enumerated_Domain_Value_Definition_Source: producer defined
Attribute_Domain_Values:
Enumerated_Domain:
Enumerated_Domain_Value: 2-5mm, moderate
Enumerated_Domain_Value_Definition:
groundwater table between 2 and 5m below the ground surface (fbin_m code 5).
Enumerated_Domain_Value_Definition_Source: producer defined
Attribute_Domain_Values:
Enumerated_Domain:
Enumerated_Domain_Value: >5m, deep
Enumerated_Domain_Value_Definition:
groundwater table greater than 5m below the ground surface (fbin_m code 7).
Enumerated_Domain_Value_Definition_Source: producer defined
Distribution_Information:
Distributor:
Contact_Information:
Contact_Organization_Primary:
Contact_Organization: U.S. Geological Survey - CMGDS
Contact_Address:
Address_Type: mailing and physical
Address: 2885 Mission Street
City: Santa Cruz
State_or_Province: CA
Postal_Code: 95060
Country: USA
Contact_Voice_Telephone: 831-427-4747
Contact_Electronic_Mail_Address: pcmsc_data@usgs.gov
Resource_Description:
Zip files (GWHazards_EmergShoaling_NC_Kx0p1_WTbins.ZIP, GWHazards_EmergShoaling_NC_Kx1 _WTbins.ZIP, GWHazards_EmergShoaling_NC_Kx10 _WTbins.ZIP, GWHazards_EmergShoaling_SC_Kx0p1_WTbins.ZIP, GWHazards_EmergShoaling_SC_Kx1 _WTbins.ZIP, GWHazards_EmergShoaling_SC_Kx10 _WTbins.ZIP) contain shapefiles of binned water table depth projections for all 8 SLR cases for the State and hydraulic conductivity (K) indicated. When unzipped, individual groundwater emergence and shoaling shapefiles have filenames with the structure “EmergShoaling (St_abbrev)_Kzell(K#)_slr(SLR#)m_10m_wtbins”, where St_abbrev is the abbreviated State name (NC, SC), K# is 0p1, 1, or 10, and SLR# is 0p00, 0p25, 0p50, 1p00, 1p50, 2p00, 2p50, or 3p00.File sizes are in MB.
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 on any other system or for general or scientific purposes, nor shall the act of distribution constitute any such warranty.
Standard_Order_Process:
Digital_Form:
Digital_Transfer_Information:
Format_Name: Shapefile
Format_Version_Number: ArcGIS 10.5
Format_Specification:
Features are shapefiles and are projected in UTM Zone 17 coordinates, with horizontal datum GCS_WGS_1984 and vertical datum NAVD88.
Format_Information_Content:
The .zip file (GWHazards_EmergShoaling_NC_Kx0p1_WTbins.zip) includes 8 shapefiles for the State of North Carolina, K x 0.1 hydraulic conductivities, SLRs of 0, 0.25, 0.5, 1.0, 1.5, 2.0, 2.5, and 3.0m.
File_Decompression_Technique: WinZip
Transfer_Size: 434.5
Digital_Transfer_Option:
Online_Option:
Computer_Contact_Information:
Network_Address:
Network_Resource_Name: https://doi.org/10.5066/P9W91314
Access_Instructions:
Data can be downloaded using the Network_Resource_Name link then scrolling down to the Simulation Data section.
Digital_Form:
Digital_Transfer_Information:
Format_Name: Shapefile
Format_Version_Number: ArcGIS 10.5
Format_Specification:
Features are shapefiles and are projected in UTM Zone 17 coordinates, with horizontal datum GCS_WGS_1984 and vertical datum NAVD88.
Format_Information_Content:
The .zip file (GWHazards_EmergShoaling_NC_Kx1_WTbins.zip) includes 8 shapefiles for the State of North Carolina, K x 1 hydraulic conductivities, SLRs of 0, 0.25, 0.5, 1.0, 1.5, 2.0, 2.5, and 3.0m.
File_Decompression_Technique: WinZip
Transfer_Size: 418.6
Digital_Transfer_Option:
Online_Option:
Computer_Contact_Information:
Network_Address:
Network_Resource_Name: https://doi.org/10.5066/P9W91314
Access_Instructions:
Data can be downloaded using the Network_Resource_Name link then scrolling down to the Simulation Data section.
Digital_Form:
Digital_Transfer_Information:
Format_Name: Shapefile
Format_Version_Number: ArcGIS 10.5
Format_Specification:
Features are shapefiles and are projected in UTM Zone 17 coordinates, with horizontal datum GCS_WGS_1984 and vertical datum NAVD88.
Format_Information_Content:
The .zip file (GWHazards_EmergShoaling_NC_Kx10_WTbins.zip) includes 8 shapefiles for the State of North Carolina, K x 10 hydraulic conductivities, SLRs of 0, 0.25, 0.5, 1.0, 1.5, 2.0, 2.5, and 3.0m.
File_Decompression_Technique: WinZip
Transfer_Size: 328.4
Digital_Transfer_Option:
Online_Option:
Computer_Contact_Information:
Network_Address:
Network_Resource_Name: https://doi.org/10.5066/P9W91314
Access_Instructions:
Data can be downloaded using the Network_Resource_Name link then scrolling down to the Simulation Data section.
Digital_Form:
Digital_Transfer_Information:
Format_Name: Shapefile
Format_Version_Number: ArcGIS 10.5
Format_Specification:
Features are shapefiles and are projected in UTM Zone 17 coordinates, with horizontal datum GCS_WGS_1984 and vertical datum NAVD88.
Format_Information_Content:
The .zip file (GWHazards_EmergShoaling_SC_Kx0p1_WTbins.zip) includes 8 shapefiles for the State of South Carolina, K x 0.1 hydraulic conductivities, SLRs of 0, 0.25, 0.5, 1.0, 1.5, 2.0, 2.5, and 3.0m.
File_Decompression_Technique: WinZip
Transfer_Size: 266.0
Digital_Transfer_Option:
Online_Option:
Computer_Contact_Information:
Network_Address:
Network_Resource_Name: https://doi.org/10.5066/P9W91314
Access_Instructions:
Data can be downloaded using the Network_Resource_Name link then scrolling down to the Simulation Data section.
Digital_Form:
Digital_Transfer_Information:
Format_Name: Shapefile
Format_Version_Number: ArcGIS 10.5
Format_Specification:
Features are shapefiles and are projected in UTM Zone 17 coordinates, with horizontal datum GCS_WGS_1984 and vertical datum NAVD88.
Format_Information_Content:
The .zip file (GWHazards_EmergShoaling_SC_Kx1_WTbins.zip) includes 8 shapefiles for the State of South Carolina, K x 1 hydraulic conductivities, SLRs of 0, 0.25, 0.5, 1.0, 1.5, 2.0, 2.5, and 3.0m.
File_Decompression_Technique: WinZip
Transfer_Size: 261.4
Digital_Transfer_Option:
Online_Option:
Computer_Contact_Information:
Network_Address:
Network_Resource_Name: https://doi.org/10.5066/P9W91314
Access_Instructions:
Data can be downloaded using the Network_Resource_Name link then scrolling down to the Simulation Data section.
Digital_Form:
Digital_Transfer_Information:
Format_Name: Shapefile
Format_Version_Number: ArcGIS 10.5
Format_Specification:
Features are shapefiles and are projected in UTM Zone 17 coordinates, with horizontal datum GCS_WGS_1984 and vertical datum NAVD88.
Format_Information_Content:
The .zip file (GWHazards_EmergShoaling_SC_Kx10_WTbins.zip) includes 8 shapefiles for the State of South Carolina, K x 10 hydraulic conductivities, SLRs of 0, 0.25, 0.5, 1.0, 1.5, 2.0, 2.5, and 3.0m.
File_Decompression_Technique: WinZip
Transfer_Size: 192.1
Digital_Transfer_Option:
Online_Option:
Computer_Contact_Information:
Network_Address:
Network_Resource_Name: https://doi.org/10.5066/P9W91314
Access_Instructions:
Data can be downloaded using the Network_Resource_Name link then scrolling down to the Simulation Data section.
Fees: none
Metadata_Reference_Information:
Metadata_Date: 20230516
Metadata_Contact:
Contact_Information:
Contact_Organization_Primary:
Contact_Organization:
U.S. Geological Survey, Pacific Coastal and Marine Science Center
Contact_Person: PCMSC Science Data Coordinator
Contact_Address:
Address_Type: mailing and physical
Address: 2885 Mission Street
City: Santa Cruz
State_or_Province: CA
Postal_Code: 95060-5792
Country: US
Contact_Voice_Telephone: 831-460-4747
Contact_Facsimile_Telephone: 831-427-4748
Contact_Electronic_Mail_Address: pcmsc_data@usgs.gov
Metadata_Standard_Name: Content Standard for Digital Geospatial Metadata
Metadata_Standard_Version: FGDC-STD-001-1998
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