Quantitative Assessment of the Slope Resolution of Seafloor Mapping Systems
The depth to the seafloor and the sediment thickness were observed with the SIO-MPL Deep Tow system from an altitude of 100 m on the western flank of the Mid-Atlantic Ridge near the FAMOUS area, 37 N, providing what is probably the most appropriate high resolution data set available at this time for...
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ftdtic:ADA246158 2023-05-15T17:30:21+02:00 Quantitative Assessment of the Slope Resolution of Seafloor Mapping Systems Macdonald, Ken C. CALIFORNIA UNIV SANTA BARBARA MARINE SCIENCE INST 1992-02-04 text/html http://www.dtic.mil/docs/citations/ADA246158 http://oai.dtic.mil/oai/oai?&verb=getRecord&metadataPrefix=html&identifier=ADA246158 en eng http://www.dtic.mil/docs/citations/ADA246158 Approved for public release; distribution is unlimited. DTIC AND NTIS Physical and Dynamic Oceanography *MAPPING *OCEAN BOTTOM RESOLUTION POWER SPECTRA TERRAIN HIGH RESOLUTION DEPTH SLOPE ATLANTIC OCEAN NORTH ATLANTIC OCEAN ABYSSAL ZONES ROUGHNESS SEDIMENTS PONDS OCEAN RIDGES DATA BASES THICKNESS SURFACE ROUGHNESS SONAR IMAGES Text 1992 ftdtic 2016-02-22T17:10:52Z The depth to the seafloor and the sediment thickness were observed with the SIO-MPL Deep Tow system from an altitude of 100 m on the western flank of the Mid-Atlantic Ridge near the FAMOUS area, 37 N, providing what is probably the most appropriate high resolution data set available at this time for roughness studies of the abyssal hill terrain of the Western North Atlantic. We have re-analyzed the original Deep Tow sonar record at a 3-m horizontal sample spacing. Along the MAR Deep Tow profile, individual sediment ponds of thickness up to 15 m are detected, although approximately half the profile has less than 1 m of sediment cover. A histogram of the original data shows that 77 percent of all slopes are less than 22 degrees, but 3 percent are greater then 71 degrees. The fall-off of the power spectrum is consistent with a fractal dimension D = 1. 0 over the wavelengths 8 km to 10 m. Text North Atlantic Defense Technical Information Center: DTIC Technical Reports database Mid-Atlantic Ridge |
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Open Polar |
collection |
Defense Technical Information Center: DTIC Technical Reports database |
op_collection_id |
ftdtic |
language |
English |
topic |
Physical and Dynamic Oceanography *MAPPING *OCEAN BOTTOM RESOLUTION POWER SPECTRA TERRAIN HIGH RESOLUTION DEPTH SLOPE ATLANTIC OCEAN NORTH ATLANTIC OCEAN ABYSSAL ZONES ROUGHNESS SEDIMENTS PONDS OCEAN RIDGES DATA BASES THICKNESS SURFACE ROUGHNESS SONAR IMAGES |
spellingShingle |
Physical and Dynamic Oceanography *MAPPING *OCEAN BOTTOM RESOLUTION POWER SPECTRA TERRAIN HIGH RESOLUTION DEPTH SLOPE ATLANTIC OCEAN NORTH ATLANTIC OCEAN ABYSSAL ZONES ROUGHNESS SEDIMENTS PONDS OCEAN RIDGES DATA BASES THICKNESS SURFACE ROUGHNESS SONAR IMAGES Macdonald, Ken C. Quantitative Assessment of the Slope Resolution of Seafloor Mapping Systems |
topic_facet |
Physical and Dynamic Oceanography *MAPPING *OCEAN BOTTOM RESOLUTION POWER SPECTRA TERRAIN HIGH RESOLUTION DEPTH SLOPE ATLANTIC OCEAN NORTH ATLANTIC OCEAN ABYSSAL ZONES ROUGHNESS SEDIMENTS PONDS OCEAN RIDGES DATA BASES THICKNESS SURFACE ROUGHNESS SONAR IMAGES |
description |
The depth to the seafloor and the sediment thickness were observed with the SIO-MPL Deep Tow system from an altitude of 100 m on the western flank of the Mid-Atlantic Ridge near the FAMOUS area, 37 N, providing what is probably the most appropriate high resolution data set available at this time for roughness studies of the abyssal hill terrain of the Western North Atlantic. We have re-analyzed the original Deep Tow sonar record at a 3-m horizontal sample spacing. Along the MAR Deep Tow profile, individual sediment ponds of thickness up to 15 m are detected, although approximately half the profile has less than 1 m of sediment cover. A histogram of the original data shows that 77 percent of all slopes are less than 22 degrees, but 3 percent are greater then 71 degrees. The fall-off of the power spectrum is consistent with a fractal dimension D = 1. 0 over the wavelengths 8 km to 10 m. |
author2 |
CALIFORNIA UNIV SANTA BARBARA MARINE SCIENCE INST |
format |
Text |
author |
Macdonald, Ken C. |
author_facet |
Macdonald, Ken C. |
author_sort |
Macdonald, Ken C. |
title |
Quantitative Assessment of the Slope Resolution of Seafloor Mapping Systems |
title_short |
Quantitative Assessment of the Slope Resolution of Seafloor Mapping Systems |
title_full |
Quantitative Assessment of the Slope Resolution of Seafloor Mapping Systems |
title_fullStr |
Quantitative Assessment of the Slope Resolution of Seafloor Mapping Systems |
title_full_unstemmed |
Quantitative Assessment of the Slope Resolution of Seafloor Mapping Systems |
title_sort |
quantitative assessment of the slope resolution of seafloor mapping systems |
publishDate |
1992 |
url |
http://www.dtic.mil/docs/citations/ADA246158 http://oai.dtic.mil/oai/oai?&verb=getRecord&metadataPrefix=html&identifier=ADA246158 |
geographic |
Mid-Atlantic Ridge |
geographic_facet |
Mid-Atlantic Ridge |
genre |
North Atlantic |
genre_facet |
North Atlantic |
op_source |
DTIC AND NTIS |
op_relation |
http://www.dtic.mil/docs/citations/ADA246158 |
op_rights |
Approved for public release; distribution is unlimited. |
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1766126707917455360 |