Description: The co-located uncertainty data provides a quantitative estimate of the accuracy of each cell in the elevation surfaces, based on the equipment used, the age of the survey and the level of interpolation used to determine the cell elevation.
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.
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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. Following completion of the semi-automated CMECS Geoform product a review by the project partners and the technical advisory board was conducted. This review revealed a number of classes of within that dataset that needed further analysis for the product to be suitable for planning. These consisted of Pockmarks, Pockmark Fields, Rocky Zones, and Sediment Wave Fields. A visual interpretation process was used to change attributes and boundaries for these areas, in consultation with partners and advisory team members. A second set of features consisting of Deltas, Moraines, Paleo-deltas, Basins, and Cobble-Boulder-Complexes, and Estuarine Sediment Shoals. These were manually delineated and are available as a companion data set labeled "Seascapes - Interpreted Geoforms" in the Portal table of contents. 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
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.
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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. Following completion of the semi-automated CMECS Geoform product a review by the project partners and the technical advisory board was conducted. This review revealed a number of classes of within that dataset that needed further analysis for the product to be suitable for planning. These consisted of Pockmarks, Pockmark Fields, Rocky Zones, and Sediment Wave Fields. A visual interpretation process was used to change attributes and boundaries for these areas, in consultation with partners and advisory team members. A second set of features consisting of Deltas, Moraines, Paleo-deltas, Basins, and Cobble-Boulder-Complexes, and Estuarine Sediment Shoals. These were manually delineated and are available as a companion data set labeled "Seascapes - Interpreted Geoforms" in the Portal table of contents. 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
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