IEDA: Marine Geoscience Data System IEDA
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Temperature Time-Series Data from the CORK in Hole U1301A on the Juan de Fuca Plate acquired from 2004-2008
Platform Info
CORK:U1301A
Device Info
TemperatureLogger:Autonomous
Antares:1857
TemperatureLogger:Autonomous
Onset:U12-015-03
Locale
JdF
Plate
File Format
ASCII
Quality
1
Details
Basement depth = 262.2 mbsf; Loggers deployed 2004 (IODP Exp 301), recovered 2008 (AT15-35). The CORK in Hole U1301A was not properly sealed when installed in 2004, and cold ocean bottom water was drawn down the hole for several years. The flow down Hole U1301A spontaneously reversed in early September 2007, as is clearly shown by the pertinent data files and figure in Wheat et al (2010). In July 2009, IODP Expedition 321T (Fisher et al, 2010) returned to Hole U1301A to try to seal them with remedial cementing in the reentry cones. The remedial cementing did not seal Hole U1301A, which continued to discharge hydrothermal fluid from the volcanic crust.
Temperature Time-Series Data from the CORK in Hole U1301A on the Juan de Fuca Plate acquired from 2009-2013
Platform Info
CORK:U1301A
Device Info
TemperatureLogger:Autonomous
Onset:U12-015-03
TemperatureLogger:Autonomous
Antares:1857
Locale
JdF
Plate
File Format
ASCII
Quality
1
Details
Basement depth = 262.2 mbsf; Loggers deployed 2009 (AT15-51), recovered 2013 (AT26-03). The CORK in Hole U1301A was not properly sealed when installed in 2004, and cold ocean bottom water was drawn down the hole for several years. The flow down Hole U1301A spontaneously reversed in early September 2007, as is clearly shown by the pertinent data files and figure in Wheat et al (2010). In July 2009, IODP Expedition 321T (Fisher et al, 2010) returned to Hole U1301A to try to seal them with remedial cementing in the reentry cones. The remedial cementing did not seal Hole U1301A, which continued to discharge hydrothermal fluid from the volcanic crust.
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