Name: Seascapes - Interpreted Geoforms

Display Field: Note

Type: Feature Layer

Geometry Type: esriGeometryPolygon

Description: The <a href="https://iocm.noaa.gov/standards/cmecs-home.html" target="_blank">Coastal and Marine Ecological Classification Standard (CMECS)</a> is a structured catalog of ecological terms that also provides a framework for interpreting, classifying, and inter-relating observational data from all types of sensors and platforms. CMECS Geoforms describe the major geomorphic and structural characteristics of the coast and seafloor. <br/> <br/> The NOAA Office for Coastal Management worked with the states of Maine, New Hampshire, and Massachusetts to develop a regional geomorphology data set which would form the framework for collaborative planning and assessment offshore in the Gulf of Maine. A contract was awarded to a private sector company to process NOAA's BlueTopo bathymetric products to generate CMECS geoforms for the area. The spatial domain of these data extend from the landward limit of BlueTopo tiles seaward to the 24 nautical mile Contiguous Zone boundary. The project used semi-automated methods so that features identified throughout the region would be consistently mapped. A second set of Interpreted Geoforms consisting of Deltas, Moraines, Paleo-deltas, Basins, and Cobble-Boulder-Complexes, and Estuarine Sediment Shoals were manually delineated and were intended to complement the other Geoform products visible in the Portal table of contents. A generally very conservative approach was taken to these delineations and the resultant features are only identified where the source bathymetry was of high quality. It is likely that the extent of these features may change as new bathymetry becomes available. View the metadata report for a description of data inputs, methods, and QA processes. The data download package includes additional data layers and the data development report.

Definition Expression: N/A

Copyright Text: NOAA Office for Coastal Management

Default Visibility: false

MaxRecordCount: 1000

Supported Query Formats: JSON, AMF, geoJSON

Min Scale: 0

Max Scale: 0

Supports Advanced Queries: true

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Can Modify Layer: false

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Use Standardized Queries: true

Extent:

XMin: -7930954.692878089
YMin: 5037447.241243945
XMax: -7463035.434705976
YMax: 5612026.544537918
Spatial Reference: 102100  (3857)

Drawing Info:

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Field 2: null
Field 3: null
Field Delimiter: ,
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UniqueValueInfos:
• Value: Basin
  Label: Basin
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• Value: Cobble-Boulder Complex
  Label: Cobble-Boulder Complex
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• Value: Delta
  Label: Delta
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• Value: Estuarine Sediment Shoal
  Label: Estuarine Sediment Shoal
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• Value: Moraine
  Label: Moraine
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• Value: Paleodelta
  Label: Paleodelta
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Labeling Info:

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Supported Operations:   Query   Generate Renderer   Return Updates