Services Directory - Wetland_Persistence2(MapServer)

Wetland_Persistence2 (Map Service)

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Current Version: 10.81

Service Description:

This data layer is derived from the 2021 application of the Sea Level Affecting Marshes Model (SLAMM) to coastal Maryland (Warren Pinnacle Consulting, Inc., 2021), specifically the model run under the 50% Likelihood, Growing Emissions scenario of 2.95 feet of sea level rise by 2100 from a baseline year of 2010 at the Cambridge, Maryland tide gage (Boesch et al., 2018). The attribute 'Year' indicates the latest year that a location is still classified as tidal forested wetlands or tidal cypress swamp in the SLAMM outputs (decadal outputs 2010-2100). A value of -9999 indicates that the location was not classified as either tidal forested wetland or tidal cypress swamp in the SLAMM baseline year of 2010. Attribute fields and GIS process steps are listed below.

This data layer was developed by The Nature Conservancy. Source data includes SLAMM outputs (Warren Pinnacle Consulting, Inc, 2021) and National Wetlands Inventory (US Fish and Wildlife Service). The data was developed as part of a project led by the University of Maryland with funding from the US Forest Service. The Nature Conservancy is the steward of this data.

Attribute Fields

OBJECTID - System generated feature ID
Year - The latest year (up to the year 2100) that a location is still classified as tidal forested wetlands or tidal cypress swamp in the SLAMM outputs. A value of -9999 indicates that the location was not classified as either tidal forested wetland or tidal cypress swamp in the SLAMM baseline year of 2010

GIS Process Steps

Selected National Wetlands Inventory (NWI) data with attribute = PFO1R.
Converted NWI PFO1R feature layer to a 10-meter resolution raster snapped to the 10-meter SLAMM output data.
Combined the NWI PFO1R raster and the SLAMM 50% Likelihood Growing Emissions sea level rise scenario outputs.
Create the attribute field 'Year' in the combined NWI/SLAMM raster and populate it with the latest year that a pixel is classified in SLAMM as tidal forested wetland or tidal cypress swamp

Map Name: Layers

Legend

All Layers and Tables

Layers:

wetpersistWMS(0)

Description:

Attribute Fields

OBJECTID - System generated feature ID
Year - The latest year (up to the year 2100) that a location is still classified as tidal forested wetlands or tidal cypress swamp in the SLAMM outputs. A value of -9999 indicates that the location was not classified as either tidal forested wetland or tidal cypress swamp in the SLAMM baseline year of 2010

GIS Process Steps

Selected National Wetlands Inventory (NWI) data with attribute = PFO1R.
Converted NWI PFO1R feature layer to a 10-meter resolution raster snapped to the 10-meter SLAMM output data.
Combined the NWI PFO1R raster and the SLAMM 50% Likelihood Growing Emissions sea level rise scenario outputs.
Create the attribute field 'Year' in the combined NWI/SLAMM raster and populate it with the latest year that a pixel is classified in SLAMM as tidal forested wetland or tidal cypress swamp

Copyright Text: The Nature Conservancy, Warren Pinnacle Consulting, Inc., University of Maryland, USDA Forest Service

Spatial Reference:
102100

Single Fused Map Cache: true

Capabilities: Map,TilesOnly,Tilemap

Tile Info:

Height: 256
Width: 256
DPI: 96
Levels of Detail: (# Levels: 24)

Level ID: 0 [Start Tile, End Tile]
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Format: PNG
Compression Quality: 0
Origin:
Spatial Reference:
102100

Initial Extent:

Full Extent:

Min Scale: 2000000.0
Max Scale: 1000.0

Min LOD: 8
Max LOD: 17

Units: esriMeters

Supported Image Format Types: PNG

Export Tiles Allowed: false
Max Export Tiles Count: 100000

Resampling: true

Document Info:

Title: Wetland Persistence
Author: mcanick@tnc.org_TNC
Comments:
Subject: Modeled persistence of tidal freshwater forested wetlands, specifically those coded PFO1R in the National Wetlands Inventory (NWI), in the face of projected sea-level rise in the amount of 2.95 feet by the year 2100 from a baseline year of 2010.
Category:
Keywords: wetland, tidal freshwater forested wetland, sea level rise, Sea Level Affecting Marshes Model, SLAMM, Maryland, The Nature Conservancy, TNC