Dataset Available ERDDAP

CTD and water chemistry, Hercules Spill Response Cruise, Louisiana South Timbalier Block 220, 2013-07-29 - 2013-07-30

Authors: Joseph Montoya

Published On: Aug 20 2014 00:42 UTC

DOI: https://doi.org/10.7266/N7SF2T6D

UDI: R1.x132.134:0066

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Project Information

Funded By:
Gulf of Mexico Research Initiative

Funding Cycle:
RFP-I

Research Group:
Ecosystem Impacts of Oil and Gas Inputs to the Gulf (ECOGIG)

Point of Contact

Joseph P. Montoya
Georgia Institute of Technology / Department of Biology
montoya@gatech.edu

Data Collection Period

2013-07-29

2013-07-30

Theme keywords

hydrography, water column properties, blowout, temperature, salinity, dissolved oxygen, oxygen saturation, density, sigma-t, methan, methane, CH4, stable isotopes, C13, N15, depth, phosphate, silicate, nitrate, nitrite, nutrients, nitrogen, carbon, CN ratio, conductivity, oxygen solubility

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Abstract:

Hydrographic and water column data were collected during a cruise to the Hercules 265 site using a CTD-rosette system aboard the R/V Acadiana. We characterized the physical and chemical properties in the water column at/near the rig in the immediate aftermath of its blowout. The ship departed Cocodrie, LA, on 2013/07/27 for a day cruise, then returned to the rig on 2013/07/29 - 2013/07/30. Binned profiles and bottle files are available through this link, and raw CTD data are available on request.

Suggested Citation:

Joseph Montoya. 2014. CTD and water chemistry, Hercules Spill Response Cruise, Louisiana South Timbalier Block 220, 2013-07-29 - 2013-07-30. Distributed by: GRIIDC, Harte Research Institute, Texas A&M University–Corpus Christi. doi:10.7266/N7SF2T6D

Publications:

Weber, S. C., Battles, J. J., Peterson, L., Roberts, B. J., Peterson, R. N., Hollander, D. J., … Montoya, J. P. (2015). Hercules 265 Rapid Response: Immediate ecosystem impacts of a natural gas blowout incident. Deep Sea Research Part II: Topical Studies in Oceanography. doi:10.1016/j.dsr2.2015.11.010

Purpose:

Characterization of physical and chemical properties in the water column at/near the Hercules 265 rig in the days following its blowout.

Data Parameters and Units:

Cruise [Acadiana]; Station (numeric); Day (DD); Month (MM); Year (YYYY); Bottle (count); Latitude (decimal degrees); Longitude (decimal degrees); Date (Month DD YYYY); Time (hh:mm:ss); Sal00 salinity practical (PSU); Sal11 salinity practical 2 (PSU); Sigma-t00 Density sigma-theta (kg/m^3); Sigma-t11 Density sigma-theta 2 (kg/m^3); OxsatML/L Oxygen Saturation Weiss (umol/kg); Sbeox0ML/L Oxygen SBE 43 WS=2 (ml/l); Sbeox1ML/L Oxygen SBE 43 WS=2 2 (ml/l); Scan (count); Scan-SD (count) where SD is standard deviation error; DepSM Depth salt water (m); DepSM-SD; T090C Temperature ITS-90 (degrees Celsius); T090C-SD; T190C Temperature Difference ITS-90 (degrees Celsius); T190C-SD; T2-T190C Temperature Difference ITS-90 2 (degrees Celsius); T2-T190C-SD; C0S/m Conductivity (S/m); Mean O2 (mmol/kg); Mean O2-SD; Mean PO4; Mean Si; Mean NO3+NO2; Mean N*; PARTICLES: d15N (‰); d13C (‰); C:N (unitless); CH4 (nM); Total N (µmol/L); Total C (µmol/L); RhoN (< 10 and > 10, nmol/L/d); RhoC (< 10 and > 10, nmol/L/d); RhoN-Total (nM/d); RhoC-Total (nM/d)