Virginia Shoreline Inventory (2006-2019): Land Use, Land Cover

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Metadata:

Identification_Information:
Citation:
Citation_Information:
Originator:
Comprehensive Coastal Inventory, Virginia Institute of Marine Science
Publication_Date: 20130101
Title: Virginia Shoreline Inventory (2006-2019): Land Use, Land Cover
Geospatial_Data_Presentation_Form: vector digital data
Other_Citation_Details:
Center for Coastal Resources Management. 2019. Virginia Shoreline Inventory Database. Center for Coastal Resources Management, Virginia Institute of Marine Science, College of William and Mary, Gloucester Point, Virginia. Retrieved from <http://www.vims.edu/ccrm/research/inventory/index.php>
Online_Linkage: <http://www.vims.edu/ccrm/research/inventory/virginia/index.php>
Description:
Abstract:
Shoreline Situation Reports (SSR) were first generated by VIMS in the 1970's to report the condition and status of the shore lands. The SSR series were published in hardcopy on a county by county basis for each Tidewater Virginia localities. The reports were intended to assist planners, managers, and regulators in decisions pertaining to management of coastal areas and natural resources therein. This Shoreline Inventory report continues a process which updates and expands the earlier reports. Data collected reports conditions surveyed in the immediate riparian zone, the bank, and along the shoreline. This dataset is the result of combining the most recent digital shoreline inventories for Virginia.
Purpose: To inventory Virginia's tidal shoreline conditions.
Supplemental_Information:
There are three shapefiles that are part of the Shoreline Inventory database: *_lubc, *_astru, *_sstru. The _lubc (land use and bank cover) is a linear shapefile containing data about land use, bank height, erosion, bank cover, Phragmites australis, tree fringe, canopy overhang, marsh, and beach status along the shoreline. The _sstru (shoreline structures) is a linear shapefile delineating hard structures at the shoreline (bulkhead, breakwater, dilapidated bulkhead, debris, jetty, marina, marsh toe revetment, unconventional, riprap, groin fields). The _astru (access structures) is a point shapefile with locations of docks, ramps, dilapidated docks, outfalls, and boathouses. The attributes of these three shapefiles are explained in the Entity and Attribute Information section below. Beginning in 2012 the method of collecting data for the shoreline inventory changed. Data for marsh and Phragmites australis is no longer recorded in the *_lubc shapefile but is found in the tidal marsh inventory shapefiles. Please visit <http://www.vims.edu/ccrm/research/inventory/virginia/index.php>. Beginning in 2016, beach is no longer included in the lubc shapefile. Beach is a stand-alone shapefile.
Time_Period_of_Content:
Time_Period_Information:
Range_of_Dates/Times:
Beginning_Date: 19980101
Ending_Date: 20170831
Currentness_Reference: ground condition at time of survey
Status:
Progress: Complete
Maintenance_and_Update_Frequency: As needed
Spatial_Domain:
Bounding_Coordinates:
West_Bounding_Coordinate: -77.734177
East_Bounding_Coordinate: -75.320864
North_Bounding_Coordinate: 39.080423
South_Bounding_Coordinate: 36.524225
Keywords:
Theme:
Theme_Keyword_Thesaurus: None
Theme_Keyword: Riparian Land use
Theme_Keyword: Shoreline conditions
Theme_Keyword: Shoreline Inventory
Theme:
Theme_Keyword_Thesaurus: ISO 19115 Topic Categories
Theme_Keyword: environment
Theme_Keyword: biota
Place:
Place_Keyword_Thesaurus: None
Place_Keyword: Accomack County
Place_Keyword: Arlington County
Place_Keyword: Caroline County
Place_Keyword: Charles City County
Place_Keyword: Chesapeake Bay
Place_Keyword: Chesterfield County
Place_Keyword: City of Alexandria
Place_Keyword: City of Chesapeake
Place_Keyword: City of Colonial Heights
Place_Keyword: City of Fredericksburg
Place_Keyword: City of Hopewell
Place_Keyword: City of Petersburg
Place_Keyword: City of Portsmouth
Place_Keyword: City of Richmond
Place_Keyword: City of Suffolk
Place_Keyword: City of Williamsburg
Place_Keyword: Eastern Shore
Place_Keyword: Essex County
Place_Keyword: Fairfax County
Place_Keyword: Gloucester County
Place_Keyword: Hanover County
Place_Keyword: Henrico County
Place_Keyword: Isle of Wight County
Place_Keyword: James City County
Place_Keyword: King and Queen County
Place_Keyword: King George County
Place_Keyword: King William County
Place_Keyword: Lancaster County
Place_Keyword: Mathews County
Place_Keyword: Middlesex County
Place_Keyword: New Kent Countiy
Place_Keyword: Newport News
Place_Keyword: Norfolk
Place_Keyword: Northampton County
Place_Keyword: Northumberland County
Place_Keyword: Poquoson
Place_Keyword: Prince George
Place_Keyword: Prince William
Place_Keyword: Richmond County
Place_Keyword: Spotsylvania County
Place_Keyword: Stafford County
Place_Keyword: Surry County
Place_Keyword: Virginia
Place_Keyword: Virginia Beach
Place_Keyword: Westmoreland County
Place_Keyword: York County
Access_Constraints: None
Use_Constraints:
These data should not be used for jurisdictional permit determinations beyond providing general shoreline condition or status information. These data have not been surveyed to property boundaries.
Point_of_Contact:
Contact_Information:
Contact_Organization_Primary:
Contact_Organization: Virginia Institute of Marine Science (VIMS)
Contact_Person: Marcia Berman
Contact_Position: Director of Comprehensive Coastal Inventory Program (CCI)
Contact_Address:
Address_Type: mailing and physical
Address:
Virginia Institute of Marine Science, P.O. Box 1346, 1375 Greate Rd
City: Gloucester Point
State_or_Province: Virginia
Postal_Code: 23062
Contact_Voice_Telephone: 804-684-7188
Contact_Facsimile_Telephone: 804-684-7179
Contact_Electronic_Mail_Address: marcia@vims.edu
Point_of_Contact:
Contact_Information:
Contact_Organization_Primary:
Contact_Organization: Virginia Institute of Marine Science (VIMS)
Contact_Person: Marcia Berman
Contact_Position: Director of Comprehensive Coastal Inventory Program (CCI)
Contact_Address:
Address_Type: physical
Address:
Virginia Institute of Marine Science, P.O. Box 1346, 1375 Greate Rd
City: Gloucester Point
State_or_Province: Virginia
Postal_Code: 23062
Contact_Voice_Telephone: 804-684-7188
Contact_Facsimile_Telephone: 804-684-7179
Contact_Electronic_Mail_Address: marcia@vims.edu
Native_Data_Set_Environment: Version 6.2 (Build 9200) ; Esri ArcGIS 10.6.1.9270
Data_Quality_Information:
Attribute_Accuracy:
Attribute_Accuracy_Report:
The attributes were compared to original GPS data logs for accuracy. Errors were corrected where noted. Time period: 1998-2013.
Quantitative_Attribute_Accuracy_Assessment:
Attribute_Accuracy_Explanation:
In house QAQC process involves complete checks of shoreline coding by a GIS Programmer/Analyst and a Marine Scientist.
Logical_Consistency_Report:
Topology has been validated. There are no overlapping or self-intersecting arcs. There will be dangles at some locality boundaries and along some waterways where digitizing stopped. Inventories prior to 2015 used shoreline drawn along the land/water interface. Inventories created since 2015 use shoreline drawn along the upland edge (upland/marsh interface or upland/water interface).
Completeness_Report:
The inventories compiled here target tidal shoreline only. Access by boat is required for field surveys. Remote sensing techniques are used in areas where water depths are too shallow for access or where unmanaged, undeveloped shoreline persists along very long reaches. This would include headwaters of tidal creeks, and natural areas along park and conservation lands.
This dataset is updated annually with new or updated inventories. Not all Virginia localities with tidal shoreline have an inventory.
Positional_Accuracy:
Horizontal_Positional_Accuracy:
Horizontal_Positional_Accuracy_Report:
Shoreline attributes recorded with a GPS unit as the boat moves along the shoreline has a horizontal accuracy of +/- 5 meters. Data was transferred from the GPS boat track to an existing digital shoreline coverage by projecting data to the shoreline at a 90 degree angle from the boat track. Rectified imagery were used as a background coverage to aid in data positioning. Land use features were placed along the shore so changes in land use were coincident with changes illustrated in the imagery. Positional accuracy for data that has been corrected with imagery which has a resolution of 2 meters or better. Accuracy limits of the field collected data, however, are set at 5 meters due to the short occupancy of GPS units. In many cases the image correction yields a final positional accuracy much closer to 2 meters or less, depending on image resolution. Time period: 1998-2013.
Using the latest VBMP (2009, 2011, 2013, 2015, or 2017 depending on locality) imagery as a background, conditions visible on shore were used to code a digital shoreline created using VBMP imagery at a scale of 1:1000. Conditions were also verified using Google Earth, Bing Birds Eye, VBMP 2011, and VBMP 2009 imagery. Time period: 2013 to 2019.
Quantitative_Horizontal_Positional_Accuracy_Assessment:
Horizontal_Positional_Accuracy_Explanation:
Line position and attribution is subject to Processor interpretation and clarity of imagery used. In house QAQC process involves checks of shoreline coding by one or two different GIS Programmer/Analysts and, since 2014, a Marine Scientist.
Lineage:
Source_Information:
Source_Citation:
Citation_Information:
Originator:
Commonwealth of Virginia, through Virginia Geographic Network Division of its Department of Technology Planning (VGIN)
Title: Virginia Base Mapping Program (VBMP)
Type_of_Source_Media: None
Source_Citation_Abbreviation: VBMP 2009, 2011, 2013, 2017
Source_Contribution:
Imagery (2009, 2011, 2013, 2015, and/or 2017) serves as a background in the map portfolio. Used to accurately position land use and land cover data. Provided a new digital shoreline coverage that serves as the base shoreline for shoreline conditions. Used in the following counties: City of Virginia Beach, Northampton, Charles City, City of Suffolk, City of Poquoson, City of Newport News, Northumberland, City of Norfolk, James City County, City of Williamsburg, Gloucester, York, Stafford, Middlesex, Lancaster, City of Portsmouth, Prince George, Accomack, and City of Chesapeake. Added in 2017: Hanover, Surry, King George, City of Fredericksburg, Chesterfield, Isle of Wight, Spotsylvania, and Henrico. Added in 2018: Arlington, Caroline, Essex, New Kent, and Richmond Counties. Added in 2019: King William and King & Queen Counties.
Source_Information:
Source_Citation:
Citation_Information:
Originator:
Commonwealth of Virginia, through Virginia Geographic Network Division of its Department of Technology Planning (VGIN)
Title: Virginia Base Map Program Imagery and Hydrology
Geospatial_Data_Presentation_Form: vector digital data
Type_of_Source_Media: None
Source_Citation_Abbreviation: VBMP 2006/07
Source_Contribution:
Imagery (2007) serves as a background in the map portfolio. Imagery is used to update land use and structure data as well as to remotely code areas not previously surveyed in the field. The VBMP shoreline was also used and adjusted using the imagery where needed. This shoreline was used in the following counties: Mathews.
Process_Step:
Process_Description:
The shoreline for Northampton was extracted from the VGIN LiDar derived, hydro flattened DEM for the Eastern Shore using the ArcMap contour tool. Bank height was generated from the VBMP. The 0, 5, 10 and 30 foot contours were derived from the VBMP Eastern Shore hydrologically correct DEM based on the 2010 LiDar survey, using the raster surface contour tool. It was decided that the bank would be within 10 meters of the 0 contour except on some beaches where the bank was visually further away. 10 meter buffers were created for the 5, 10 and 30 foot contours. Each of these buffers was run with the 0 contour in the intersect tool to make files showing where the contours were within 10 meters of the 0. In no case did the 30 foot contour intersect 0. The 3 files for 0, 5, and 10 were run in the identity tool to make the final file showing bank height feature attributes of 0-5, 5-10, and 10-30. This was merged with the land use data and became an attribute in the shapefile.
Process_Date: 20110101
Process_Step:
Process_Description:
Parts of Virginia Beach (Broad Bay and Rudy Inlet) data were logged using a geo-referenced video camera.
Process_Date: 20120101
Process_Step:
Process_Description:
Begining in 2012 marsh data is being collected separately and is no longer part of the shoreline inventory "lubc" shapefile. Marsh data (including phragmites information) will be in served in the updated Tidal Marsh Inventory (TMI): <http://www.vims.edu/ccrm/research/inventory/virginia/index.php> Dates: 2012 to 2019
Process_Date: 20120101
Process_Step:
Process_Description:
Data from the GPS units were postprocessed using Trimble Pathfinder Office software. Postprocessing included differential correction using CORS (Continuous Operating Reference Stations) data. Corrected data are converted to shape files for further processing in the GIS environment. Dates: 1998 - 2013
Process_Date: 20131231
Process_Step:
Process_Description:
In the ArcMap environment, boat-track arcs and points were manually shifted to the base shoreline. Arcs were split and moved to locations on the shoreline perpendicular to the original locations on the boat-track. Points were also moved to locations on the shoreline perpendicular to the original locations on the boat-track. Shoreline arc segments and points were coded, and the shapefiles were visually checked for attribute accuracy between coded shoreline and boat-track data. Dates: 1998 - 2013
Process_Date: 20131231
Process_Step:
Process_Description:
For tributaries surveyed in the field using GPS referenced videography, the proprietary software associated with the Red Hen System is used for post processing: Pixpoint and GeoVideo for GIS. The PixPoint software package is used to generate a point shapefile containing points representing locations of geo-referenced still photos taken during the survey. GeoVideo software package is an ArcGIS extension. It is a desktop mapping application that brings the geo-referenced video directly into the ArcGIS environment. This software enables users to digitally map videos using GPS coordinates. After the videos are downloaded to the computer, the GeoVideo software is used to generate a point shapefile which is geotagged to the precise track of the video survey. This shapefile is a representation of the survey track. Along with the video link, it enables GIS personnel to code the shoreline conditions in ArcMap based on what is viewed in the video. Dates: 2012 to 2015
Process_Date: 20151231
Process_Step:
Process_Description:
Land use, point structure, and linear structure locations were digitally checked and repositioned if necessary with imagery displayed in the background. Coding takes place in the ArcMap environment using coding, heads-up digitizing, and photo-interpretation techniques. Areas inaccessible by boat due to low tide were coded based on features observed on the imagery. In earlier inventories, the "remote" coded areas were given the item REMOTE = "yes" to distinquish them from GPS collected data. Background image quality depends upon imagery available the year inventory was published. Begining in 2011/2012 recent high resolution color infra-red and natural color imagery (2009, 2011, 2013, and 2017) with a resolution of 1 meter or better is used along with Bing oblique imagery to identify and code the shoreline for shoreline attributes. Dates: 1998 to 2019
Process_Date: 20151231
Process_Step:
Process_Description:
Data was collected by a three-person field crew (1989-2001) or a two-person field crew (2002 to 2012). From 2002 to 2012 a two-person crew consisted of one person collecting land use and bank condition data and one boat operator also collecting shoreline features using two hand-held Trimble GeoExplorers GPS Units, while navigating along the shoreline. A data dictionary designed for the inventory was installed on each GPS Unit. One data collector records natural features including land use, bank height, presence of marsh or beach, and shoreline stability. A second person collects data on the hardened structures: riprap, bulkheads, docks, boatramps, etc. Point features (docks, boathouses, ramps) were surveyed with a six second observation recorded at 1 reading/second. Linear features were surveyed kinematically at a rate of one observation every 3 seconds. Begining in 2012 the two-person crew consists of a boat operator and one data surveyor. The boat operator navigates the boat to follow the shoreline geometry. The data surveyor uses a geo-referenced video camera. The Red Hen System provides hardware and software to collect geo-referenced video and photo data in the field. A standard video camera (sony ACC-HDV7) is interfaced with a GPS antennae via the Red Hen hardware device - VMS 300. VMS 300 converts GPS data into audio signals, which are sent to a video camera through its microphone input connector. As the video is recorded, GPS data are transmitted once per second to the video camera by VMS 300. Each GPS location is linked with a time code on the video. Therefore, the survey is a set of videos containing geographically referenced shoreline data. Dates: 1998 to 2015
Process_Date: 20151231
Process_Step:
Process_Description:
County inventories were merged together. Inventories completed during the year are appended to this dataset, either replacing older localities or filling in gaps.
Process_Date: 20160225
Process_Step:
Process_Description:
All processing steps for the 2016 and 2017 shoreline inventories were generated using ArcGIS - ArcMap v10.2.2 while viewing conditions observed in 2015 Bing high resolution oblique imagery and 2013 imagery from the Virginia Base Mapping Program (VBMP). Using the latest VBMP 2013 imagery as a background, conditions visible on shore were used to code a digital shoreline created using VBMP 2013 imagery at a scale of 1:1000. Conditions were also verified using Bing Birds Eye, VBMP 2011, and VBMP 2009 imagery. For the land use/bank cover shapefile arcs were split and coded for land use, bank height, bank cover, and tree fringe.
The following localities published in 2017 were added to this dataset: Chesterfield County, City of Colonial Heights, City of Fredericksburg, City of Petersburg, City of Richmond, Hanover County, Henrico County, Isle of Wight County, King George County, Spotsylvania County, and Surry County.
Process_Date: 20171220
Process_Step:
Process_Description:
All processing steps for the 2018 shoreline inventories were generated using ArcGIS - ArcMap v10.4 while viewing conditions observed in Bing high resolution oblique imagery, Google Earth, and 2017 imagery from the Virginia Base Mapping Program (VBMP). Using the latest VBMP 2017 imagery as a background, conditions visible on shore were used to code a digital shoreline at a scale of 1:1000. Conditions were also verified using Bing Birds Eye, VBMP 2011, VBMP 2013, and VBMP 2009 imagery. For the land use/bank cover shapefile arcs were split and coded for land use, bank height, bank cover, and tree fringe.
The following localities published in 2018 were added to this dataset: Arlington County, Caroline County, Essex County, New Kent County, and Richmond County.
Process_Date: 20190403
Process_Step:
Process_Description:
All processing steps for the 2019 shoreline inventories were generated using ArcGIS - ArcMap v10.5 while viewing conditions observed in Bing high resolution oblique imagery, Google Earth, and 2017 imagery from the Virginia Base Mapping Program (VBMP). Using the latest VBMP 2017 imagery as a background, conditions visible on shore were used to code a digital shoreline at a scale of 1:1000. Conditions were also verified using Bing Birds Eye, VBMP 2011, VBMP 2013, and VBMP 2009 imagery. For the land use/bank cover shapefile arcs were split and coded for land use, bank height, bank cover, and tree fringe.
The following localities published in 2019 were added to this dataset: King and QueenCounty, and King William County.
Process_Date: 20191220
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: 81880
Spatial_Reference_Information:
Horizontal_Coordinate_System_Definition:
Planar:
Map_Projection:
Map_Projection_Name: NAD 1983 2011 UTM Zone 18N
Transverse_Mercator:
Scale_Factor_at_Central_Meridian: 0.9996
Longitude_of_Central_Meridian: -75.0
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: 0.0001
Ordinate_Resolution: 0.0001
Planar_Distance_Units: meter
Geodetic_Model:
Horizontal_Datum_Name: D NAD 1983 2011
Ellipsoid_Name: GRS 1980
Semi-major_Axis: 6378137.0
Denominator_of_Flattening_Ratio: 298.257222101
Entity_and_Attribute_Information:
Detailed_Description:
Entity_Type:
Entity_Type_Label: VA_lubc_2006_2019_final
Entity_Type_Definition: Virginia Land Use and Bank Cover
Entity_Type_Definition_Source: Processor
Attribute:
Attribute_Label: OBJECTID
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.
Attribute:
Attribute_Label: EROSION
Attribute_Definition:
Bank stability is an observed estimate of how stable the bank is. It is not a true measure of erosion. Characteristics that would classify a bank as being unstable are exposed roots, bare soil, slumping, and falling trees. Characteristics of a stable bank would be one that is well vegetated and absent any signs of sediment slumping, scarps, and failing trees. If the bank condition can not be discerned from the observation point, the bank stability is classified as “unknown”. Erosion is labelled one of the following: stable, unstable or unknown.
Attribute_Definition_Source:
Glossary of Shoreline Features Defined, Center for Coastal Resources Management, VIMS
Attribute_Domain_Values:
Enumerated_Domain:
Enumerated_Domain_Value: Stable
Enumerated_Domain_Value_Definition:
Characteristics of a stable bank would be one that is well vegetated and absent any signs of sediment slumping, scarps, and failing trees.
Enumerated_Domain_Value_Definition_Source:
Glossary of Shoreline Features Defined, Center for Coastal Resources Management, VIMS
Enumerated_Domain:
Enumerated_Domain_Value: Unstable
Enumerated_Domain_Value_Definition:
Characteristics that would classify a bank as being unstable are exposed roots, bare soil, slumping, and falling trees.
Enumerated_Domain_Value_Definition_Source:
Glossary of Shoreline Features Defined, Center for Coastal Resources Management, VIMS
Enumerated_Domain:
Enumerated_Domain_Value: Unknown
Enumerated_Domain_Value_Definition:
If the bank condition can not be discerned from the observation point, the bank stability is classified as “unknown”.
Enumerated_Domain_Value_Definition_Source:
Glossary of Shoreline Features Defined, Center for Coastal Resources Management, VIMS
Attribute_Domain_Values:
Unrepresentable_Domain:
Classification of bank stability. Beginning in 2015, bank stability is no longer collected.
Attribute:
Attribute_Label: MARSH
Attribute_Definition: presence of marsh
Attribute_Definition_Source: Processor
Attribute_Domain_Values:
Enumerated_Domain:
Enumerated_Domain_Value: Embayed
Enumerated_Domain_Value_Definition: A marsh occupying a drowned creek valley
Enumerated_Domain_Value_Definition_Source:
Barnard, T. A. and Damon G. Doumlele. 1979. City of Virginia Beach Marsh Inventory. Volume 2. Lynnhaven River, Lake Rudee and Their Tributaries. Virginia Institute of Marine Science SRAMSOE 217.
Enumerated_Domain:
Enumerated_Domain_Value: Extensive
Enumerated_Domain_Value_Definition:
A large marsh where the length and depth or width are roughly comparable; most extensive marshes are drained by many tidal channels and creeks which have little freshwater input.
Enumerated_Domain_Value_Definition_Source:
Barnard, T. A. and Damon G. Doumlele. 1979. City of Virginia Beach Marsh Inventory. Volume 2. Lynnhaven River, Lake Rudee and Their Tributaries. Virginia Institute of Marine Science SRAMSOE 217.
Attribute_Domain_Values:
Enumerated_Domain:
Enumerated_Domain_Value: Fringe
Enumerated_Domain_Value_Definition:
narrow strip of marsh vegetation extending along the shoreline. he vegetation must be relatively well established, although not necessarily densely populated.
Enumerated_Domain_Value_Definition_Source: Processor
Attribute_Domain_Values:
Enumerated_Domain:
Enumerated_Domain_Value: Fringe 10-15
Enumerated_Domain_Value_Definition: fringe marsh 10-15 feet wide
Enumerated_Domain_Value_Definition_Source: Processor
Attribute_Domain_Values:
Enumerated_Domain:
Enumerated_Domain_Value: Fringe 5-10
Enumerated_Domain_Value_Definition: fringe marsh 5-10 feet wide
Enumerated_Domain_Value_Definition_Source: Processor
Attribute_Domain_Values:
Enumerated_Domain:
Enumerated_Domain_Value: Fringe <5
Enumerated_Domain_Value_Definition: fringe marsh <5 feet wide
Enumerated_Domain_Value_Definition_Source: Processor
Attribute_Domain_Values:
Enumerated_Domain:
Enumerated_Domain_Value: Fringe >15
Enumerated_Domain_Value_Definition: Fringe marsh > 15 feet wide
Enumerated_Domain_Value_Definition_Source: Processor
Enumerated_Domain:
Enumerated_Domain_Value: Marsh Island
Enumerated_Domain_Value_Definition:
An isolated marsh surrounded on all sides by open water; interior portions of the marsh may contain trees scattered at highest elevations.
Enumerated_Domain_Value_Definition_Source:
Barnard, T. A. and Damon G. Doumlele. 1979. City of Virginia Beach Marsh Inventory. Volume 2. Lynnhaven River, Lake Rudee and Their Tributaries. Virginia Institute of Marine Science SRAMSOE 217.
Attribute_Domain_Values:
Enumerated_Domain:
Enumerated_Domain_Value: Yes
Enumerated_Domain_Value_Definition: marsh is present
Enumerated_Domain_Value_Definition_Source: Processor
Attribute_Domain_Values:
Unrepresentable_Domain:
Begining in 2012 marsh data is being collected separately and is no longer part of the shoreline inventory "lubc" shapefile. Marsh data (including phragmites information) will be in served in the updated Tidal Marsh Inventory (TMI): <http://ccrm.vims.edu/gis_data_maps/static_maps/gis/tmi_updated.html>
Attribute:
Attribute_Label: BEACH
Attribute_Definition:
Beaches are sandy shores that are visible during high tides. These features can be wide and persistent, or very thin lenses of sand.
Attribute_Definition_Source:
Glossary of Shoreline Features Defined, Center for Coastal Resources Management, VIMS
Attribute_Domain_Values:
Enumerated_Domain:
Enumerated_Domain_Value: Yes
Enumerated_Domain_Value_Definition: Presence of a sand beach
Enumerated_Domain_Value_Definition_Source: Processor
Attribute_Domain_Values:
Unrepresentable_Domain: Indicates presence of a sand beach.
Attribute:
Attribute_Label: PHRAG
Attribute_Definition: Presence of Phragmites australis
Attribute_Definition_Source: Processor
Attribute_Domain_Values:
Enumerated_Domain:
Enumerated_Domain_Value: yes
Enumerated_Domain_Value_Definition: Presence of the grass Phragmites australis
Enumerated_Domain_Value_Definition_Source: Processor
Attribute_Domain_Values:
Unrepresentable_Domain:
Begining in 2012 marsh data is being collected separately and is no longer part of the shoreline inventory "lubc" shapefile. Marsh data (including phragmites information) will be in served in the updated Tidal Marsh Inventory (TMI): <http://ccrm.vims.edu/gis_data_maps/static_maps/gis/tmi_updated.html>
Attribute:
Attribute_Label: CANOPY_OVE
Attribute_Definition: Tree canopy overhanging the bank.
Attribute_Definition_Source: Processor
Attribute_Domain_Values:
Enumerated_Domain:
Enumerated_Domain_Value: yes
Enumerated_Domain_Value_Definition: Branches from trees along the shore overhang the water
Enumerated_Domain_Value_Definition_Source: Processor
Attribute_Domain_Values:
Unrepresentable_Domain: canopy over-hang is not collected in every inventory.
Attribute:
Attribute_Label: TREE_FRING
Attribute_Definition:
When the dominant riparian land use is not forested but a line of trees is maintained along the bank edge, the land use is noted to include a tree fringe.
Attribute_Definition_Source:
Glossary of Shoreline Features Defined, Center for Coastal Resources Management, VIMS
Attribute_Domain_Values:
Enumerated_Domain:
Enumerated_Domain_Value: Yes
Enumerated_Domain_Value_Definition:
Trees along the shore are present in conjuncture with the dominant land use
Enumerated_Domain_Value_Definition_Source:
Glossary of Shoreline Features Defined, Center for Coastal Resources Management, VIMS
Enumerated_Domain:
Enumerated_Domain_Value: Yes, wide
Enumerated_Domain_Value_Definition: Tree fringe is present and between 100-1000 feet.
Enumerated_Domain_Value_Definition_Source:
Glossary of Shoreline Features Defined, Center for Coastal Resources Management, VIMS
Enumerated_Domain:
Enumerated_Domain_Value: No
Enumerated_Domain_Value_Definition: Tree fringe is not present
Enumerated_Domain_Value_Definition_Source:
Glossary of Shoreline Features Defined, Center for Coastal Resources Management, VIMS
Attribute_Domain_Values:
Unrepresentable_Domain:
Values can be "Yes", "Yes, wide", or "No". In older inventories, tree fringe was not collected and is therefore left blank.
Attribute:
Attribute_Label: HEIGHT
Attribute_Definition:
Bank height is a visual inspection of the height of the bank from the base to the top. We estimate height from imagery, field inspection, videography or a combination of all three data sources. Bank height is labelled on of the following: 0-5 feet, 5-30 feet and >30 feet.
Attribute_Definition_Source:
Glossary of Shoreline Features Defined, Center for Coastal Resources Management, VIMS
Attribute_Domain_Values:
Enumerated_Domain:
Enumerated_Domain_Value: 0-5
Enumerated_Domain_Value_Definition: 0-5 ft. from the toe to the edge of the fastland
Enumerated_Domain_Value_Definition_Source:
Glossary of Shoreline Features Defined, Center for Coastal Resources Management, VIMS
Attribute_Domain_Values:
Enumerated_Domain:
Enumerated_Domain_Value: 5-10
Enumerated_Domain_Value_Definition: 5-10 ft. from the toe to the edge of the fastland
Enumerated_Domain_Value_Definition_Source:
Glossary of Shoreline Features Defined, Center for Coastal Resources Management, VIMS
Attribute_Domain_Values:
Enumerated_Domain:
Enumerated_Domain_Value: 10-30
Enumerated_Domain_Value_Definition: 10-30 ft. from the toe to the edge of the fastland
Enumerated_Domain_Value_Definition_Source:
Glossary of Shoreline Features Defined, Center for Coastal Resources Management, VIMS
Attribute_Domain_Values:
Enumerated_Domain:
Enumerated_Domain_Value: >30
Enumerated_Domain_Value_Definition: >30 ft. from the toe to the edge of the fastland
Enumerated_Domain_Value_Definition_Source:
Glossary of Shoreline Features Defined, Center for Coastal Resources Management, VIMS
Enumerated_Domain:
Enumerated_Domain_Value: 5-30 feet
Enumerated_Domain_Value_Definition: Bank is 5-30 feet high
Enumerated_Domain_Value_Definition_Source:
Glossary of Shoreline Features Defined, Center for Coastal Resources Management, VIMS
Attribute_Domain_Values:
Unrepresentable_Domain:
Bank height is measured in feet. Depending upon the year of the inventory, value categories for this attribute may vary.
Attribute:
Attribute_Label: COVER
Attribute_Definition:
Bank cover is a classification based on a visual inspection of the bank. “Cover” can include either vegetative or structural cover and is labelled one of the following: total, partial or bare.
Attribute_Definition_Source:
Glossary of Shoreline Features Defined, Center for Coastal Resources Management, VIMS
Attribute_Domain_Values:
Enumerated_Domain:
Enumerated_Domain_Value: Bare
Enumerated_Domain_Value_Definition: <25% cover: vegetative or structural cover
Enumerated_Domain_Value_Definition_Source:
Glossary of Shoreline Features Defined, Center for Coastal Resources Management, VIMS
Attribute_Domain_Values:
Enumerated_Domain:
Enumerated_Domain_Value: Partial
Enumerated_Domain_Value_Definition: 25% to 75% cover: vegetative or structural cover
Enumerated_Domain_Value_Definition_Source:
Glossary of Shoreline Features Defined, Center for Coastal Resources Management, VIMS
Attribute_Domain_Values:
Enumerated_Domain:
Enumerated_Domain_Value: Total
Enumerated_Domain_Value_Definition: >75% cover: vegetative or structural cover
Enumerated_Domain_Value_Definition_Source:
Glossary of Shoreline Features Defined, Center for Coastal Resources Management, VIMS
Attribute_Domain_Values:
Unrepresentable_Domain: Values may be "bare", "partial", or "total"
Attribute:
Attribute_Label: GPS_DATE
Attribute_Definition: Date of data capture
Attribute_Definition_Source: Processor
Attribute_Domain_Values:
Unrepresentable_Domain:
Data collected from 1998 to 2013 used a Trimble GPS unit. GPS date indicates the day the data was collected.
Attribute:
Attribute_Label: REMOTE
Attribute_Definition: Remotely surveyed. This coding appears in older inventories.
Attribute_Definition_Source: Processor
Attribute_Domain_Values:
Enumerated_Domain:
Enumerated_Domain_Value: yes
Enumerated_Domain_Value_Definition: Data coded in the lab using background imagery
Enumerated_Domain_Value_Definition_Source: Processor
Attribute_Domain_Values:
Unrepresentable_Domain: This coding appears in older inventories.
Attribute:
Attribute_Label: FEATURE
Attribute_Definition:
Feature refers to a combination of land use in the immediate riparian area within 100 feet of the adjacent shoreline and best professional judgement when the infrastructure is setback on the parcel. Current land use: agriculture, commercial, detached marsh, forest, grass, industrial, marsh island, military, paved, residential, and scrub-shrub.
Attribute_Definition_Source:
Glossary of Shoreline Features Defined, Center for Coastal Resources Management, VIMS
Attribute_Domain_Values:
Enumerated_Domain:
Enumerated_Domain_Value: Agriculture
Enumerated_Domain_Value_Definition:
Land use defined as agricultural includes farm tracts that are cultivated and crop producing. This designation is not applicable for pastureland, which is coded as grass.
Enumerated_Domain_Value_Definition_Source:
Glossary of Shoreline Features Defined, Center for Coastal Resources Management, VIMS
Attribute_Domain_Values:
Enumerated_Domain:
Enumerated_Domain_Value: Bare
Enumerated_Domain_Value_Definition:
Land use defined as bare includes areas void of any vegetation or obvious land use. Bare areas include those that have been cleared for construction.
Enumerated_Domain_Value_Definition_Source:
Glossary of Shoreline Features Defined, Center for Coastal Resources Management, VIMS
Attribute_Domain_Values:
Enumerated_Domain:
Enumerated_Domain_Value: Commercial
Enumerated_Domain_Value_Definition:
Commercial is a land use classification denoting small commercial operations such as shops, restaurants, as well as campgrounds. These operations are not necessarily water dependent businesses.
Enumerated_Domain_Value_Definition_Source:
Glossary of Shoreline Features Defined, Center for Coastal Resources Management, VIMS
Attribute_Domain_Values:
Enumerated_Domain:
Enumerated_Domain_Value: educational/school
Enumerated_Domain_Value_Definition: Includes public and private facilities
Enumerated_Domain_Value_Definition_Source: Processor
Attribute_Domain_Values:
Enumerated_Domain:
Enumerated_Domain_Value: family dwelling
Enumerated_Domain_Value_Definition: Single family dwelling
Enumerated_Domain_Value_Definition_Source: Processor
Attribute_Domain_Values:
Enumerated_Domain:
Enumerated_Domain_Value: Forested
Enumerated_Domain_Value_Definition:
Forest cover includes deciduous, evergreen, and mixed forest stands. of trees. The land use is classified as Forest if there is a dense cover of trees and no other land use category is apparent close to the shoreline, e.g. residential, commercial, industrial, agriculture, etc.
Enumerated_Domain_Value_Definition_Source:
Glossary of Shoreline Features Defined, Center for Coastal Resources Management, VIMS
Attribute_Domain_Values:
Enumerated_Domain:
Enumerated_Domain_Value: Grass
Enumerated_Domain_Value_Definition:
Grasslands include large unmanaged fields, managed grasslands adjacent to large estates, agriculture tracts reserved for pasture, and grazing. While a general rule of thumb will classify a tract as “grass” if a home sits behind a large tract of grass, a designation of “residential” may be made if there are similar tracts adjacent to each other. This designation can be determined using best professional judgment
Enumerated_Domain_Value_Definition_Source:
Glossary of Shoreline Features Defined, Center for Coastal Resources Management, VIMS
Attribute_Domain_Values:
Enumerated_Domain:
Enumerated_Domain_Value: Industrial
Enumerated_Domain_Value_Definition:
Industrial operations are larger commercial businesses and can include areas where power plants, pulp mills, refineries, etc. are in operation along the coast.
Enumerated_Domain_Value_Definition_Source:
Glossary of Shoreline Features Defined, Center for Coastal Resources Management, VIMS
Attribute_Domain_Values:
Enumerated_Domain:
Enumerated_Domain_Value: Military
Enumerated_Domain_Value_Definition:
A land use classification of Military marks the location of federal military reservations. This classification is generally reserved for the section of the base where active operations and infrastructure exist. Expansive military property adjacent to these areas which are unmanaged forest areas, for example, may be classified as forest land use.
Enumerated_Domain_Value_Definition_Source:
Glossary of Shoreline Features Defined, Center for Coastal Resources Management, VIMS
Attribute_Domain_Values:
Enumerated_Domain:
Enumerated_Domain_Value: multifamily
Enumerated_Domain_Value_Definition: Multi family dwellings includes condominiums, and apartments
Enumerated_Domain_Value_Definition_Source: Processor
Attribute_Domain_Values:
Enumerated_Domain:
Enumerated_Domain_Value: Paved
Enumerated_Domain_Value_Definition:
Paved areas represent roads which run along the shore and generally are located at the top of the banks. Paved also includes parking areas such as parking at boat landing, or commercial facilities.
Enumerated_Domain_Value_Definition_Source:
Glossary of Shoreline Features Defined, Center for Coastal Resources Management, VIMS
Attribute_Domain_Values:
Enumerated_Domain:
Enumerated_Domain_Value: Residential
Enumerated_Domain_Value_Definition: Includes single and multi-family dwellings
Enumerated_Domain_Value_Definition_Source:
Glossary of Shoreline Features Defined, Center for Coastal Resources Management, VIMS
Attribute_Domain_Values:
Enumerated_Domain:
Enumerated_Domain_Value: Scrub-Shrub
Enumerated_Domain_Value_Definition:
Scrub-shrub is a land use class that includes small trees, shrubs, and bushy plants. This land use is easily distinguished during remote sensing compared to Forest and Grass.
Enumerated_Domain_Value_Definition_Source:
Glossary of Shoreline Features Defined, Center for Coastal Resources Management, VIMS
Attribute_Domain_Values:
Enumerated_Domain:
Enumerated_Domain_Value: Timbered
Enumerated_Domain_Value_Definition:
Timbered or clear-cut land use is an area where all the trees have been cut down or removed for harvesting or in preparation for construction.
Enumerated_Domain_Value_Definition_Source:
Glossary of Shoreline Features Defined, Center for Coastal Resources Management, VIMS
Attribute_Domain_Values:
Unrepresentable_Domain: Riparian land use
Attribute:
Attribute_Label: COUNTY
Attribute_Definition: county or city name
Attribute_Definition_Source: Processor
Attribute_Domain_Values:
Unrepresentable_Domain: county or city names in Virginia along the Chesapeake Bay.
Attribute:
Attribute_Label: SURVEYED
Attribute_Definition: year data collected
Attribute_Definition_Source: Processor
Attribute_Domain_Values:
Unrepresentable_Domain: Year data collected and/or updated.
Attribute:
Attribute_Label: marsh_orig
Attribute_Definition: original coding for MARSH
Attribute_Definition_Source: Processor
Attribute_Domain_Values:
Unrepresentable_Domain:
original coding for MARSH. Older inventories might have been coded differently.
Attribute:
Attribute_Label: SHORELINE
Attribute_Definition: base shoreline used (refer to lineage)
Attribute_Definition_Source: Processor
Attribute_Domain_Values:
Unrepresentable_Domain: Imagery used to develop the base shoreline for the locality.
Attribute:
Attribute_Label: Field_Date
Attribute_Definition: Date of field survey
Attribute_Definition_Source: Processor
Attribute_Domain_Values:
Unrepresentable_Domain: Date of field survey or inventory update.
Attribute:
Attribute_Label: INVENTORY
Attribute_Definition:
Year of shoreline inventory or year of inventory update using imagery
Attribute_Definition_Source: Processor
Attribute_Domain_Values:
Unrepresentable_Domain:
Text describing the imagery used to update this inventory or the year of the shoreline inventory.
Attribute:
Attribute_Label: PubYear
Attribute_Definition: year of inventory publication
Attribute_Definition_Source: Processor
Attribute_Domain_Values:
Unrepresentable_Domain: Year published for the county inventory.
Attribute:
Attribute_Label: Spit
Attribute_Definition:
A narrow coastal landform tied to the upland shoreline at one end resulting from the deposition of sand moved by tides and currents. Spit features are generally sandy and may be dominated by beach, dune, and/or marsh habitats. For inventory purposes, this definition does not include spit features that are developed or have developable upland.
Attribute_Definition_Source:
Glossary of Shoreline Features Defined, Center for Coastal Resources Management, VIMS
Attribute_Domain_Values:
Unrepresentable_Domain: Spits are recorded beginning in 2015. If present, then "yes".
Attribute:
Attribute_Label: FIPS
Attribute_Definition:
"Federal Information Processing Standards (FIPS) codes are a standardized set of numeric codes to ensure uniform identification of geographic entities such as cities, counties and towns." These codes are issued by the National Institute of Standards and Technology (NIST). The codes listed in this field are county and city codes for Virginia (state FIPS 51).
Attribute_Definition_Source: Virginia Department of Taxation
Attribute:
Attribute_Label: origFeatur
Attribute_Definition: Original Feature (land use) attribution
Attribute_Definition_Source: processor
Attribute:
Attribute_Label: FIPSCode
Attribute_Definition:
"Federal Information Processing Standards (FIPS) codes are a standardized set of numeric codes to ensure uniform identification of geographic entities such as cities, counties and towns." These codes are issued by the National Institute of Standards and Technology (NIST). The codes listed in this field are county and city codes for Virginia (state FIPS 51). This field is the same as the FIPS field except represented as text.
Attribute_Definition_Source: processor
Attribute:
Attribute_Label: Height_4ca
Attribute_Definition: Bank height in four categories
Attribute_Definition_Source: processor
Attribute:
Attribute_Label: origHeight
Attribute_Definition: Original Height categories for all localities.
Attribute_Definition_Source: processor
Attribute:
Attribute_Label: Shape_Length
Attribute_Definition: Length of feature in internal units.
Attribute_Definition_Source: Esri
Attribute_Domain_Values:
Unrepresentable_Domain: Positive real numbers that are automatically generated.
Overview_Description:
Entity_and_Attribute_Overview:
Five shape files combine to complete the Shoreline Inventory. The complete set includes va_lubc, va_astru, va_sstru, va_beach, and va_TMI. The va_lubc (land use and bank cover) file is a linear shape file containing data about land use, tree fringe, bank height, bank cover, bank stability and beach status along the shoreline. Va_astru (access structure shape file) is a point shape file with locations of docks, dilapidated docks, boathouses, and private and public boat ramps. Va_sstru (shoreline structures) is a linear shape file delineating hard structures in place at the shoreline (bulkhead, dilapidated bulkhead, riprap, wharf, unconventional, debris, marina < 50 slips, marina > 50 slips, jetty, marsh toe revetment, groinfield and breakwaters). Va-beach is a linear shapefile showing the presence of beaches on the shoreline. Va_TMI (tidal marsh inventory) shows the location, size, and community type of tidal marshes. These shape files will be modified yearly with the addition of updated locality inventories. The PubYear field denotes the publication year of the county inventory. The jurisdiction is listed in the County field. Digital shoreline inventories began in 1998. Over the years, the methodology for collecting the data, as well as what data is collected has changed. For detailed information on a particular county, please visit the GIS Data and Maps: Shoreline Inventories web site at <http://www.vims.edu/ccrm/research/inventory/virginia/index.php>
Metadata_Reference_Information:
Metadata_Date: 20200831
Metadata_Contact:
Contact_Information:
Contact_Organization_Primary:
Contact_Organization: Virginia Institute of Marine Science (VIMS)
Contact_Person: Tami Rudnicky
Contact_Position: GIS Programmer/Analyst
Contact_Address:
Address_Type: physical
Address:
Virginia Institute of Marine Science, P.O. Box 1346, 1375 Greate Rd
City: Gloucester Point
State_or_Province: Virginia
Postal_Code: 23062
Contact_Voice_Telephone: 804-684-7181
Contact_Electronic_Mail_Address: tamia@vims.edu
Metadata_Standard_Name: FGDC Content Standard for Digital Geospatial Metadata
Metadata_Standard_Version: FGDC-STD-001-1998
Metadata_Time_Convention: local time
Generated by mp version 2.9.12 on Mon Aug 31 12:18:04 2020