Marine Geoscience Data System

Data DOI: 10.26022/IEDA/331062

Citation:
White, Scott, et al., (2022), Sentry processed near-bottom low-frequency sidescan images (GeoTIFF format) from the East Pacific Rise, RR2106 (2021). Marine Geoscience Data System (MGDS). doi:10.26022/IEDA/331062
Title:
Sentry processed near-bottom low-frequency sidescan images (GeoTIFF format) from the East Pacific Rise, RR2106 (2021)
Abstract:
Near-bottom sidescan data was collected with an Edgetech 2205 sidescan system on AUV Sentry dives 597-606 during PLUME RAIDERS cruise RR2106 in 2021 at 16.5°-18° S on the Southern East Pacific Rise (investigators Chris German, Joseph Resing, Scott White). Sidescan at 240Khz was collected during 5 of the earlier Sentry dives (dives 597, 598, 599, 601, 602) as the low-frequency channel. A regular interference pattern is present in all 240Khz sidescan mosaics collected during this cruise. This led to the use of the 120 Khz low-frequency sonar instead for Sentry dives 600 and 603-606. The data files are in GeoTIFF format and were processed using SonarWiz version 7 to merge with corrected AUV navigational records, trim the swath edges, bottom-track, and equalize gain across-track. The files were generated as part of the projects called Finding hydrothermal chimneys along the southern East Pacific Rise with machine learning approaches to AUV-based sonar data; and, Are Low-Temperature Hydrothermal Vents an Important but Overlooked Source of Stabilized Dissolved Iron to the Ocean? Funding was provided through NSF grants OCE20-06265, OCE17-55571, and OCE17-56402.
Creator(s):
White, Scott
German, Christopher
Resing, Joseph
Date Available:
2022-07-25
Date Created:
2022-07-25
Data Type(s):
Sidescan
Resource Type:
Image
File Format(s):
image/geotiff
Funding source(s):
National Science Foundation: 1755571
National Science Foundation: 1756402
National Science Foundation: 2006265
Data Curated by:
Version:
1
Language:
en
License:
Creative Commons Attribution-NonCommercial-Share Alike 3.0 United States [CC BY-NC-SA 3.0] URI: http://creativecommons.org/licenses/by-nc-sa/3.0/us/

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