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Maryland Offshore Ocean Resources - Bottom Classification Shoal Field 1 [Maryland] {2002}

DNR · 2002 Full Details

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Title
Maryland Offshore Ocean Resources - Bottom Classification Shoal Field 1 [Maryland] {2002}
Description
USACE, Maryland Geological Survey (MGS), Minerals Management Service (MMS), and academic scientists have studied the seafloor and shoals of the Maryland offshore study area in order to determine their potential use as a source of sand for beach nourishment. Studies conducted by MGS of Fenwick, Weaver, and Isle of Wight Shoals show four general patterns of substrate conditions:1) Shoal crest - generally is restricted to the undisturbed shoal crest at depths less than 35 it (11.2 m) and, has no discernable bedforms; Shoal crests consist of sand with almost no shell material; Coarser gravels are concentrated in areas of greatest wave and current energies, such as along the shoal crest.2) Flank- bottom class associated With the shoal crest; primarily found along the shoal flanks between -35 ft and -40 ft, representing transitional bottom, from shoal crest to intershoal bottom type; sand, the texture of which may or may not be significantly different than that of the shoal crest; occasional ripples; sand with some shell and other biogenic materials.3) Intershoal-associated with the deeper sea bottom (> 40 feet), both disturbed (dredged) and undisturbed intershoal areas or troughs; sandy bottom dominated by small ripples (< 0.40 meter widths); sand with richer but not abundant benthos.4) Patch — occurring in the deeper sea bottom (> 40 feet) in trough or intershoal areas; large patches, ~l00 it in diameter, associated with rippled bottom within the dredged area; interpreted to be soft, finer-grained sediment based on low backscatter intensity return; Patch-mat regions occur between shoals that have muddy substrates, abundant patches/mats of worm tube colonies, and shell beds. Refs: Army Corps of Engineers: Baltimore District, 2007 "Atlantic Coast of Maryland Shoreline Protection Project General Reevaluation Study: Borrow Sources for 2010 - 2044"MMS, BOEM, VIMS, 2000 "Environmental Survey of Potential Sand Resource SitesOffshore Delaware and Maryland"Refs:Army Corps of Engineers: Baltimore District, 2007 "Atlantic Coast of Maryland Shoreline Protection Project General Reevaluation Study: Borrow Sources for 2010 - 2044"MMS, BOEM, VIMS, 2000 "Environmental Survey of Potential Sand Resource Sites Offshore Delaware and Maryland"The views expressed herein are those of the authors and do not necessarily reflect the views of the Bureau of Ocean Energy Management (BOEM) or any of its sub-agencies. This geodatabase was created to provide planners and managers access to data about aggregate resources off the coast of Maryland. This geodatabase should not be used for navigational purposes.This is a MD iMAP hosted service. Find more information onhttps://imap.maryland.gov.Feature Service Link:https://geodata.md.gov/imap/rest/services/Geoscientific/MD_OffshoreOceanResources/FeatureServer/7
Creator
DNR
Temporal Coverage
2002
Date Issued
2016-09-07
Rights
The Spatial Data, and the information therein, (collectively the "Data") is provided "as is" without warranty of any kind, either expressed, implied, or statutory. The user assumes the entire risk as to quality and performance of the Data. No guarantee of accuracy is granted, nor is any responsibility for reliance thereon assumed. In no event shall the State of Maryland be liable for direct, indirect, incidental, consequential or special damages of any kind. The State of Maryland does not accept liability for any damages or misrepresentation caused by inaccuracies in the Data or as a result to changes to the Data, nor is there responsibility assumed to maintain the Data in any manner or form. The Data can be freely distributed as long as the metadata entry is not modified or deleted. Any data derived from the Data must acknowledge the State of Maryland in the metadata.
Access Rights
Public
Format
Shapefile
Language
English
Date Added
March 08, 2023

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  • Citation
    DNR (2016). Maryland Offshore Ocean Resources - Bottom Classification Shoal Field 1 [Maryland] {2002}. . https://data.imap.maryland.gov/datasets/maryland::maryland-offshore-ocean-resources-bottom-classification-2002-shoal-field-1 (dataset)
  • BTAA Geoportal Link

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