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20221005
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MD_lubc_2020
Feature Class
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OBJECTID
OBJECTID
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Internal feature number.
Esri
Sequential unique whole numbers that are automatically generated.
Shape
Feature geometry.
Esri
Coordinates defining the features.
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Spit
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.
VIMS Shoreline & Tidal Marsh Inventory Glossary, Center for Coastal Resources Management
Spit
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Height
Bank height is a visual inspection of the height of the bank from the base to the top. We estimate height from imagery and lidar. Bank height is labelled one of the following: 0-5 feet, 5-30 feet, and >30 feet.
VIMS Shoreline & Tidal Marsh Inventory Glossary, Center for Coastal Resources Management
5-30
Bank height is 5-30 feet high
VIMS Shoreline & Tidal Marsh Inventory Glossary, Center for Coastal Resources Management
>30
Bank height is greater than 30 feet high
VIMS Shoreline & Tidal Marsh Inventory Glossary, Center for Coastal Resources Management
0-5
Bank height is 0-5 feet high
VIMS Shoreline & Tidal Marsh Inventory Glossary, Center for Coastal Resources Management
Height
String
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Feature
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, bare, commercial, forest, grass, industrial, paved, residential, scrub-shrub and timbered.
VIMS Shoreline & Tidal Marsh Inventory Glossary, Center for Coastal Resources Management
Forested
VIMS Shoreline & Tidal Marsh Inventory Glossary, Center for Coastal Resources Management
Commercial
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.
VIMS Shoreline & Tidal Marsh Inventory Glossary, Center for Coastal Resources Management
Bare
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.
VIMS Shoreline & Tidal Marsh Inventory Glossary, Center for Coastal Resources Management
Timbered
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.
VIMS Shoreline & Tidal Marsh Inventory Glossary, Center for Coastal Resources Management
Scrub-Shrub
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 "forested" and "grass".
VIMS Shoreline & Tidal Marsh Inventory Glossary, Center for Coastal Resources Management
Grass
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.
VIMS Shoreline & Tidal Marsh Inventory Glossary, Center for Coastal Resources Management
Marsh Island
A marsh island is a vegetated wetland that is completely isolated from the mainland and found in open water. A marsh that is surrounded by water due to dissection from small tidal creeks was classifies as marsh, not marsh island.
VIMS Shoreline & Tidal Marsh Inventory Glossary, Center for Coastal Resources Management
Agriculture
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".
VIMS Shoreline & Tidal Marsh Inventory Glossary, Center for Coastal Resources Management
Residential
Residential land use includes single and multi-family dwellings.
VIMS Shoreline & Tidal Marsh Inventory Glossary, Center for Coastal Resources Management
Industrial
Industrial operations are larger commercial businesses and can include areas where power plants, pulp mills, refineries, etc. are in operation along the coast.
VIMS Shoreline & Tidal Marsh Inventory Glossary, Center for Coastal Resources Management
Paved
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.
VIMS Shoreline & Tidal Marsh Inventory Glossary, Center for Coastal Resources Management
Feature
String
50
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Marsh
Tidal marsh at least 20 sq. ft. in area, meeting the definition established in Virginia’s Tidal Wetlands Act, and not otherwise considered a marsh island. In all cases, wetland vegetation must be relatively well established, although not necessarily healthy. In previous Tidal Marsh Inventories, marshes were further classified based on morphology and physiographic setting.
VIMS Shoreline & Tidal Marsh Inventory Glossary, Center for Coastal Resources Management
Marsh
String
50
0
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Cover
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.
VIMS Shoreline & Tidal Marsh Inventory Glossary, Center for Coastal Resources Management
Partial
25% - 75% vegetative/structural cover
VIMS Shoreline & Tidal Marsh Inventory Glossary, Center for Coastal Resources Management
Total
> 75% vegetative/structural cover
VIMS Shoreline & Tidal Marsh Inventory Glossary, Center for Coastal Resources Management
Bare
< 25% vegetative/structural cover
VIMS Shoreline & Tidal Marsh Inventory Glossary, Center for Coastal Resources Management
Cover
String
50
0
0
Beach
Beaches are persistent sandy shores that are visible during high tides. These features can be wide or thin lenses of sand. Beaches are coded as linear features at the wet/dry line to portray their location only. If a beach does not have a visible wet/dry line, then the line feature is located at the seaward edge of the beach. ‘Wide’ beaches have at least 10 feet of dry sand persistently visible above high tides. Beach features coded along tidal marsh shorelines are persistent, sandy features located on the water side of tidal marsh vegetation. Sand washed into tidal marshes is not coded as a beach if the marsh vegetation &/or marsh edge is still clearly visible. This classification of beaches along tidal marsh shorelines can include professional judgment.
VIMS Shoreline & Tidal Marsh Inventory Glossary, Center for Coastal Resources Management
Beach
String
50
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Tree_fring
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. When the tree fringe is between 100 and 500 feet, it is considered a wide tree fringe. When the tree fringe is greater than 500 feet, it would be labled "forested" in land use.
VIMS Shoreline & Tidal Marsh Inventory Glossary, Center for Coastal Resources Management
Tree_fring
String
50
0
0
County
County
String
50
0
0
Prev_Inv
Prev_Inv
String
50
0
0
Year
Year_Created
SmallInteger
2
0
0
miles
miles_utm18
Double
8
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Shape_Length
Shape_Length
Double
8
0
0
Length of feature in internal units.
Esri
Positive real numbers that are automatically generated.
Esri ArcGIS 12.9.0.32739
Maryland Shoreline Inventory: Land Use and Bank Condition 2020
2019-06-03T00:00:00
2021-06-10T00:00:00
Comprehensive Coastal Inventory, Center for Coastal Resources Management
Virginia Insitute of Marine Science (VIMS)
1375 Greate Road, P.O. Box 1346
Gloucester Point
Virginia
23062
US
1
-77.274098
-75.049078
39.237127
37.912045
Ground condition at time of imagery
2020-12-15T00:00:00
To inventory Maryland's tidal shoreline conditions.
<DIV STYLE="text-align:Left;"><DIV><DIV><P><SPAN>The shoreline inventory files have been generated to support the application of the Living Shoreline Suitability Model (LSSM), developed by the Center for Coastal Resources Management (CCRM), Virginia Institute of Marine Science (VIMS), to enhance and streamline regulatory decision making in Maryland. This shoreline inventory includes the features needed as inputs to run the LSSM. </SPAN></P><P><SPAN>The data developed for the Shoreline Inventory is based on a three-tiered shoreline assessment approach. This assessment characterizes conditions by using observations made remotely at the desktop using high resolution imagery (MD Six Inch Imagery 2016/2017) . The three-tiered shoreline assessment approach divides the shorezone into three regions: 1) the immediate riparian zone, evaluated for land use; 2) the bank, evaluated for height, and natural protection (i.e., marshes and beaches); and 3) the shoreline, describing the presence of shoreline structures for shore protection and recreational purposes.</SPAN></P></DIV></DIV></DIV>
Shoreline Condition
Land use
Riparian
Shoreline Inventory
<DIV STYLE="text-align:Left;"><DIV><DIV><P><SPAN>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.</SPAN></P><P><SPAN /></P><P><SPAN>The Center for Coastal Resources Management (CCRM) at VIMS performs a service by distributing data generated by either CCRM or public agencies, which offer data without restriction or charge. CCCRM assumes no responsibility for data accuracy or precision, metadata completeness or correctness for digital information. CCRM assumes no liability for misuse of any data which may arise as a result of any alteration, conversion, or combination with other data sources. As well, the timeliness and scale of these products must be considered when evaluating appropriate use. </SPAN></P><P><SPAN /></P><P><SPAN>The contents of this dataset do not necessarily reflect the views and policies of the Environmental Protection Agency, nor does the EPA endorse trade names or recommend the use of commercial products mentioned in this document.</SPAN></P></DIV></DIV></DIV>
Land use. Land cover, Shoreline conditions, Shoreline structures, Hardened structures, Accesss structures, Riparian land use, Shoreline inventory
Lyons Creek, Herring Bay, Chesapeake Beach, Calvert Ciffs, Solomans Island, Patuxent River, Chesapeake Bay, Anne Arundel County, Calvert County, Dorchester County, Talbot County
There are three shapefiles associated with the Maryland shoreline inventory database: MD_lubc (land use and bank cover), MD_astru (access points), and MD_sstru (shoreline structures). MD_lubc is a linear shapefile containing data about land use, tree fringe, bank height, bank cover, and spit along the shoreline. MD_astru is a point shapefile with locations of docks, dilapidated docks, boathouses, and private and public boat ramps. MD_sstru is a linear shapefile 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).
This project has been funded wholly or in part by the United States Environmental Protection Agency under assistance agreement CD-963623-01-1 to the Maryland Department of the Environment.
Karinna Nunez
Comprehensive Coastal Inventory, Center for Coastal Resources Management, Virginia Insitute of Marine Science (VIMS)
GIS Analyst
1375 Greate Road, P.O. Box 1346
Gloucester Point
Virginia
23062
karinna@vims.edu
US
804-684-7273
File Geodatabase Feature Class
1.298
dataset
EPSG
6.18.3(9.3.1.2)
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Jessica Hendricks
Comprehensive Coastal Inventory, Center for Coastal Resources Management, Virginia Insitute of Marine Science (VIMS)
1375 Greate Road, P.O. Box 1346
Gloucester Point
Virginia
23062
US
804-684-7140
Comprehensive Coastal Inventory, Center for Coastal Resources Management
The shoreline used to create the shapefiles for Maryland is the dataset created in conjunction with the Chesapeake Bay Critical Area remapping project) This shoreline was published in 2016.
2016-11-04T00:00:00
All processing steps for the shoreline inventory were generated using ArcGIS - ArcMap v10.6.1 while viewing conditions observed on MD_SixInchImagery and Google Earth Pro (checking dates from 1994 to 2018). For the land use/bank cover shapefile, arcs were split and coded for land use, bank height, bank cover, tree fringe, and presence or absence of spit , marsh and beach. For the access structure shapefile, points were placed where structures (dock, dilapidated dock, boathouse, public ramp, and private ramp) are located on the shoreline. For the shoreline structure shapefile, arcs were coded for bulkhead, delapidated bulkhead, riprap, unconventional, debris, wharf, breakwater, groinfield, jetty, marsh toe revetment, and marina >50 slips and <50 slips.
2020-03-03T00:00:00
QAQC was done by a different Scientist and the entire of shoreline was reviewed.
2020-06-01T00:00:00
As the Shoreline Inventory for a Maryland locality is completed, it is added to this composite feature layer. This Shoreline Inventory represents data processed beginning in 2020.
2021-06-01T00:00:00