Data DOI: 10.26022/IEDA/329855
Citation:
Gee, Jeffrey, et al., (2020), Near-bottom processed sidescan sonar Deep Tow data from the East Pacific Rise at 17°S and 19°S (1998). Marine Geoscience Data System (MGDS). doi:10.26022/IEDA/329855
Title:
Near-bottom processed sidescan sonar Deep Tow data from the East Pacific Rise at 17°S and 19°S (1998)
Abstract:
Sidescan sonar data collected using the Scripps Institution of Oceanography (SIO) deeply towed instrument package (Deep Tow) at 17°S and 19°S, East Pacific Rise, during cruise PANR06MV (May 1998, chief scientist Jeff Gee). The Deep Tow platform carried a 110 kHz sidescan sonar. The binary data files were originally recorded in SIO fish6 format, and have been converted to the MB-System-compatible .mb71 format (mbio format 71) for processing. Processing steps included translating time-based sonar data into backscatter records, and laid out into a regular array of pixels that were projected onto a flat seafloor model (swath bathymetric data were not collected). Data were corrected for the variation of amplitude with grazing angle, filtered with a Gaussian mean low-pass filter (across track /along track dimensions of 11 and 3 pixels, respectively), and mosaiced. Processing carried out with MB-System release 5.7.6. The data set was generated as part of the projects called Short Wavelength Magnetic Variations within the Central Anomaly on the Southern EPR, and Along-Axis Continuity of Oceanic Detachment Faults. Funding was provided through NSF awards OCE97-12027, OCE14-59387 and OCE18-39727.
Creator(s):
Gee, Jeffrey
Parnell-Turner, Ross
Date Available:
2020-10-24
Date Created:
2020-10-26
Data Type(s):
Sidescan
Resource Type:
Dataset
File Format(s):
application/octet-stream
Funding source(s):
National Science Foundation: 1459387
National Science Foundation: 1839727
National Science Foundation: 9712027
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/
Related Information
IsPartOf:
IsReferencedBy:
doi: 10.1038/35048513
IsReferencedBy:
doi: 10.1029/2001GC000156
IsSourceOf:
doi: 10.26022/IEDA/329856
IsSupplementedBy:
doi: 10.26022/IEDA/329857