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Mapping the extent of former channels provides crucial information for a number of coastal and marine spatial planning applications that help identify critical habitat areas for benthic organisms (e.g. clams, corals, demersal fish), select appropriate offshore construction sites, and plan sand/gravel mining operations. The Bureau of Ocean Energy Management (BOEM) can use this information when managing Outer Continental Shelf (OCS) non-energy mineral resources in order to ensure that the removal and relocation of sand is conducted in a safe and environmentally sound manner, and that any potentially adverse impacts on the marine, coastal, or human environments are avoided or minimized. |
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Mapping the extent of former channels provides crucial information for a number of coastal and marine spatial planning applications that help identify critical habitat areas for benthic organisms (e.g. clams, corals, demersal fish), select appropriate offshore construction sites, and plan sand/gravel mining operations. The Bureau of Ocean Energy Management (BOEM) can use this information when managing Outer Continental Shelf (OCS) non-energy mineral resources in order to ensure that the removal and relocation of sand is conducted in a safe and environmentally sound manner, and that any potentially adverse impacts on the marine, coastal, or human environments are avoided or minimized. |
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The Paleochannel Arc layer contains lines delineating interpreted boundaries and or central axes of paleochannels existing under the surface of the seafloor within the respective study area. Paleochannels are remnants of river and stream channels that have been filled with sediments and overlain by younger units. Paleochannels and other subsurface geologic features are identified as a result of sub-bottom geophysical surveys and coring. The features gathered into this MMIS layer were acquired from multiple investigators and projects, whose research on or around the Outer Continental Shelf (OCS) was funded fully or partially by the Bureau of Ocean Energy Management (BOEM). Attribution consists of feature description, location, age, and identification properties associated with each study. The associated study report(s) are linked via the related Link Documents table within the Marine Minerals Information System (MMIS) geodatabase. This dataset will be updated as new and existing data are received and incorporated in to the Marine Minerals Information System (MMIS) geodatabase. |
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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. |
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PaleoChannelArc |
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["GULF OF MEXICO","Offshore","Geophysical Survey","Seismic Reflection","Ocean","ATLANTIC OCEAN","Subsurface","Outer Continental Shelf","Sonar","Acoustic","Marine Geology","Paleo Channel","Delineation","GLOBAL OCEAN","NORTH ATLANTIC OCEAN","SEA FLOOR","US"] |
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en-US |
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NaN |
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