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The modeled shoals feature class is a collection of sediment resource featThe modeled shoals feature class is a collection of sediment resource features that were modeled by the National Oceanic and Atmospheric Administration (NOAA) for the Shoal Map Assessment Tool for EFH (ShoalMATE) as well as known sand resources from the Marine Minerals Inventory System (MMIS). Information relating to the process used for modeling can be found in Pickens BA, Finkbeiner M., Taylor JC. 2019. Chapter 2: Shoal Identification and a New Classification System for Sand Resources. In: Pickens, BA, Taylor JC (eds.). Regional Essential Fish Habitat Geospatial Assessment and Framework for Offshore Sand Features. Sterling (VA): US Department of the Interior, Bureau of Ocean Energy Management. BOEM OCS Study 2020-002 and NOAA Technical Memorandum NOS NCCOS 270. 367 p. (https://cdn.coastalscience.noaa.gov/projects-attachments/334/NCCOS-TM-270_Pickens%26Taylor_2020.pdf). The sediment resources modeled for this feature class fall within the ShoalMATE area of interest, which includes U.S. federal waters seaward of the U.S. Submerged Lands Act Boundary to a depth of 50m in the Gulf of Mexico and Atlantic Ocean. Much of the attribution comes from the Coastal and Marine Ecological Classification Standard (CMECS, https://www.cmecscatalog.org/cmecs/). Information held in the attribution relates to the ShoalEnvVariables table and includes state, year feature was discovered or created, sediment grain size, Munsell color, percent sand, percent carbonate, percent carbonate sand, sediment area ID (from MMIS), StudyID (from MMIS), evaluation state (from MMIS, whether the sediment resource is potential, unverified, unusable, or proven), sand unit thickness, area of the feature (ft), volume of the feature (cubic yards), any comments on the sediment feature, percent fines, minimum depth (depth from the ocean surface), maximum depth (depth from the ocean surface), orientation (compass direction related to the orientation of the feature), minimum slope, maximum slope, benthic position index, rugosity, Geoform Component (GC) Origin (CMECS), GC Geoform (CMECS), GC Type (CMECS), GC Level (CMECS), Substrate Component (SC) Origin (CMECS) SC Class (CMECS), SC Subclass (CMECS), SC Group (CMECS), SC Subgroup (CMECS), percent clay, percent silt, Biotic Component (BC) Class (CMECS), BC Setting (CMECS), anthropogenic impact (CMECS), shelf position (CMECS), temporal persistence (CMECS), distance regime (CMECS), substrate description (CMECS), sediment transport rate, a categorical description of accretion (accreting, neutral, or eroding), categorical descriptions of the sediment resource spatial extent, and surface pattern (CMECS). A list of the input data used in the modeling process can be found in the lineage section of this metadata file (dataqual > lineage > srcinfo > srccite > srccontr). This feature class is updated on an as needed basis. |
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The Bureau of Ocean Energy Management (BOEM) provides the data for use "as is". BOEM provides this information with the understanding that it is not guaranteed to be accurate, correct or complete and conclusions drawn from such information are the responsibility of the user. While every effort has been made to ensure the accuracy, correctness and timeliness of materials presented within the limits of the current state of the art, BOEM assumes no responsibility for errors or omissions, nor as a result of the failure of the data to function on a particular system. BOEM makes no warranty, expressed or implied, nor does the fact of distribution constitute such a warranty. Users are cautioned to consider carefully the provisional nature of these data and information before using them for decisions that concern personal or public safety or the conduct of business that involves substantial monetary or operational consequences. Conclusions drawn from or actions undertaken on the basis of, such data and information are the sole responsibility of the user. The maps shown here are for illustration and planning purposes only and are not suitable for site-specific decision making. The data are not suitable for navigational purposes. Information found here should not be used for making financial or any other commitments. This data was developed by the U.S. Government; no other proprietary rights may be attached to them nor may they be sold to the U.S. Government as part of any procurement of products or services. Public domain data from the U.S. Government are freely redistributable with proper metadata and source attribution. Please recognize the Bureau of Ocean Energy Management (BOEM) as the source of this information. |