Abstract:

Hydrographic and water column data were collected during cruises EN509 and EN510 (sequential legs) using a CTD-rosette system aboard the R/V Endeavor. We characterized the physical and chemical properties in the water column at the ECOGIG seep and other study sites. The ship departed Gulfport, MS, for cruise EN509 on 2012-05-25 and collected samples at ECOGIG and other sites before returning to Gulfport on 2012-06-20. Cruise EN510 departed Pascagoula, MS, (relocated to avoid a hurricane) on 2012-06-25 and collected samples at ECOGIG seep and control sites before returning to Gulfport, MS, on 2012-07-05. Binned profiles and bottle files are available.

Suggested Citation:

Joseph Montoya. 2016. CTD data at deep water seeps collected aboard R/V Endeavor cruises EN509 and EN510 in the northern Gulf of Mexico from 2012-05-26 to 2012-07-04. Distributed by: Gulf of Mexico Research Initiative Information and Data Cooperative (GRIIDC), Harte Research Institute, Texas A&M University–Corpus Christi. doi:10.7266/N74747W4

Publications:

D’souza, N. A., Subramaniam, A., Juhl, A. R., Hafez, M., Chekalyuk, A., Phan, S., … Montoya, J. P. (2016). Elevated surface chlorophyll associated with natural oil seeps in the Gulf of Mexico. Nature Geosci. doi:10.1038/ngeo2631

Purpose:

Characterization of physical and chemical properties in the water column at/near cold seeps in the northern Gulf of Mexico.

Data Parameters and Units:

Cruise [EN509, EN510]; Site [MC118, MARS/URSA, GC600, W Chl Feature, SW Corner, NW corner, Blue Water, Shelf Stn, Eddy, Plume Stn, Offshore Eddy, AT357, OC26,Taylor Energy, CTRL-1]; 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 Sbeox0ML/L Oxygen SBE 43 WS=2 (ml/l); Sbeox1ML/L Oxygen SBE 43 WS=2 2 (ml/l); Potemp090C Potential Temperature ITS-90 (degrees Celsius); Potemp190C Potential Temperature ITS-90, 2 (degrees Celsius); SvCM Sound Velocity Chen-Millero (m/s); SvCM1 Sound Velocity Chen-Millero 2 (m/s); Scan (count); Scan-SD (count) where SD is standard deviation error; TimeJ 'Julian' Day-of-Year; TimeJ-SD; TimeS Elapsed Time (seconds); TimeS-SD; PrDM Pressure Digiquartz (db); PrDM-SD; 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); C0S/m-SD C1S/m Conductivity 2 (S/m); C1S/m-SD; C2-C1S/m Conductivity Difference (S/m); C2-C1S/m-SD; V0 Voltage 0; V0-SD; Bat Beam Attenuation, Chelsea/Seatech/WET Labs CStar (1/m); Bat-SD; Xmiss Beam Transmission, Chelsea/Seatech/WET Labs CStar (%); Xmiss-SD; V2 Voltage 2 V2-SD; AltM Altimeter (m); AltM-SD V3 Voltage 3; V3-SD; pumps Pump Status; dz/dt Descent Rate WS=2 (m/s); gpa Geopotential Anomaly (J/kg); nbin number of scans per bin flag; Par PAR/Irradiance, Biospherical/Licor; Par-SD; V4 Voltage 4; V4-SD; Sbeox0V Oxygen raw SBE 43; (V) Sbeox0V-SD; V5; V5-SD; Sbeox1V Oxygen raw SBE 43 2 (V); Sbeox1V-SD; V1 Voltage 1; V1-SD; FlECO-AFL Fluorescence WET Labs ECO-AFL/FL (mg/m^3); FlECO-AFL-SD; Spar SPAR/Surface Irradiance; Spar-SD; NUTS.

Individual Files: