-
Canopy 2013
This dataset represents the extent of the tree canopy for the City of Alexandria. This dataset was created by extracting spectural signature information from satellite imagery... -
Natural Intermittent Stream Buffer
A polygon feature representing either an intermittent stream or a wetland that does not satisfy the criteria of an RPA. This identification is mandated through the Chesapeake... -
Resource Protection Areas
A polygon feature representing Resource Protection Areas for the City of Alexandria, VA. Resource Protection Areas are an identification of tidal wetlands, tidal shores and non-... -
Shoreline
Line to delineate the City of Alexandria's shoreline along the Potomac River. Boundary between land and the Potomac River by physical structure or mean tide line. -
Streams
Line feature representing the centerline of smaller stream channels in the City of Alexandria, Virginia. Provides centerline location of all streams less than 5 feet in width. -
Summarizing Hurricane Harvey's Environmental Impacts
Normally the Houston-Galveston region receives on average 45 inches of rainfall a year. During Hurricane Harvey, some areas received over 50 inches of rain in less than a week.... -
Topographic Contours - 10 ft & 2 ft
A polyline feature class representing contour lines at 10 foot intervals for the City of Alexandria, Virginia. Data captured by consultant during 2017 VBMP planimetric project.... -
Maryland Wetland Adaptation to Sea Level Rise - Wetland Adaptation Areas 2050
Within the Sea-Level Affecting Marshes Model (SLAMM) , it is projected that Maryland’s coastal waters will rise 1.37 feet by 2050 under a scenario of rising greenhouse gas... -
Maryland Wetland Adaptation to Sea Level Rise - Sea Level Affecting Marshes M...
SLAMM uses elevation, accumulation of sediments, wetland accretion and erosion rates, and sea level rise to predicatively model long-term wetland and shoreline changes. In... -
Maryland Wetland Adaptation to Sea Level Rise - Drowned Lands in 2100
This dataset visualizes the projected areas that will be flooded/drowned by 2100. Within the Sea-Level Affecting Marshes Model (SLAMM), it is projected that Maryland’s coastal... -
Maryland Wetland Adaptation to Sea Level Rise - Sea Level Affecting Marshes M...
SLAMM uses elevation, accumulation of sediments, wetland accretion and erosion rates, and sea level rise to predicatively model long-term wetland and shoreline changes. In... -
Maryland Wetland Adaptation to Sea Level Rise - Wetland Adaptation Areas 2100
Within the Sea-Level Affecting Marshes Model (SLAMM) , it is projected that Maryland’s coastal waters will rise 4.03 feet by 2100 under a scenario of rising greenhouse gas... -
Maryland Wetland Adaptation to Sea Level Rise - Uplands to Wetlands in 2100
Within the Sea-Level Affecting Marshes Model (SLAMM), it is projected that some areas of uplands will convert to wetlands by 2100. This dataset visualizes instances of wetland... -
Maryland Wetland Adaptation to Sea Level Rise - Sea Level Affecting Marshes M...
SLAMM uses elevation, accumulation of sediments, wetland accretion and erosion rates, and sea level rise to predicatively model long-term wetland and shoreline changes. In... -
Maryland Wetland Adaptation to Sea Level Rise - Wetland Adaptation Areas 2070
Within the Sea-Level Affecting Marshes Model (SLAMM) , it is projected that Maryland’s coastal waters will rise 2.32 feet by 2070 under a scenario of rising greenhouse gas... -
Maryland Wetland Adaptation to Sea Level Rise - Drowned Lands in 2070
This dataset visualizes the projected areas that will be flooded/drowned by 2070. Within the Sea-Level Affecting Marshes Model (SLAMM), it is projected that Maryland’s coastal... -
Maryland Wetland Adaptation to Sea Level Rise - Drowned Lands in 2050
This dataset visualizes the projected areas that will be flooded/drowned by 2050. Within the Sea-Level Affecting Marshes Model (SLAMM), it is projected that Maryland’s coastal... -
Maryland Wetland Adaptation to Sea Level Rise - Wetland Adaptation Areas Inde...
The results of the Sea Level Affecting Marshes Model (SLAMM) were analyzed for specific conservation criteria for long-term planning that may help increase coastal resiliency in...