Brought to you by NOAA NMFS SWFSC ERD
|
Metocean: Historical collections
|
Brought to you by NOAA NMFS SWFSC ERD |
| Dataset Title: | "NEGOM CTD - n2l09s11.nc - 28.51N, 85.24W - 1998-05-00"
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| Institution: | OCEAN.TAMU (Dataset ID: negom_n2l09s11) |
| Range: | longitude = -85.2357 to -85.2357°E, latitude = 28.508 to 28.508°N, depth = 3.0 to 161.0m, time = 1998-04-30T01:27:00Z to 1998-04-30T01:27:00Z |
| Information: | Summary
| License
| FGDC
| ISO 19115
| Metadata
| Background
| Subset
| Data Access Form
| Files
|
![[The graph you specified. Please be patient.]](https://gcoos5.geos.tamu.edu/erddap/tabledap/negom_n2l09s11.png?temperature,depth,profile&.draw=markers&.marker=5%7C5&.color=0x000000&.colorBar=%7C%7C%7C%7C%7C&.bgColor=0xffccccff&.yRange=%7C%7Cfalse%7C)
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Attributes {
s {
profile {
Int16 actual_range -32767, -32767;
String cf_role "profile_id";
String ioos_category "Identifier";
String long_name "n2l09s1";
}
time {
String _CoordinateAxisType "Time";
Float64 actual_range 8.9389962e+8, 8.9389962e+8;
String axis "T";
String calendar "gregorian";
Float64 colorBarMaximum 9.4e+8;
Float64 colorBarMinimum 8.4e+8;
String coverage_content_type "physicalMeasurement";
String ioos_category "Time";
String long_name "Time";
String standard_name "time";
String time_origin "01-JAN-1970 00:00:00";
String units "seconds since 1970-01-01T00:00:00Z";
Float64 valid_max 8.9389962e+8;
Float64 valid_min 8.9389962e+8;
}
latitude {
String _CoordinateAxisType "Lat";
Float64 _FillValue -9.99;
Float64 actual_range 28.507999420166016, 28.507999420166016;
String axis "Y";
Float64 colorBarMaximum 90.0;
Float64 colorBarMinimum -90.0;
String coverage_content_type "coordinate";
String ioos_category "Location";
String long_name "Latitude";
String standard_name "latitude";
String units "degrees_north";
Float64 valid_max 28.507999420166016;
Float64 valid_min 28.507999420166016;
}
longitude {
String _CoordinateAxisType "Lon";
Float64 _FillValue -9.99;
Float64 actual_range -85.23570251464844, -85.23570251464844;
String axis "X";
Float64 colorBarMaximum 180.0;
Float64 colorBarMinimum -180.0;
String coverage_content_type "coordinate";
String ioos_category "Location";
String long_name "Longitude";
String standard_name "longitude";
String units "degrees_east";
Float64 valid_max -85.23570251464844;
Float64 valid_min -85.23570251464844;
}
bottomdepth {
Float64 _FillValue -9.99;
Float64 actual_range 165.0, 165.0;
String axis "Z";
Float64 colorBarMaximum 8000.0;
Float64 colorBarMinimum -8000.0;
String colorBarPalette "TopographyDepth";
String coverage_content_type "physicalMeasurement";
String ioos_category "Location";
String long_name "Total Water Depth";
String positive "down";
String standard_name "depth";
String units "meters";
Float64 valid_max 165.0;
Float64 valid_min 165.0;
}
pressure {
Float64 _FillValue -9.99;
Float64 actual_range 3.0, 162.1999969482422;
String axis "Z";
Float64 colorBarMaximum 5000.0;
Float64 colorBarMinimum 0.0;
String coverage_content_type "physicalMeasurement";
String grid_mapping "crs";
String instrument "Sea-Bird SBE-911-Plus";
String ioos_category "Pressure";
String long_name "Sea Water Pressure";
String platform "R/V GYRE";
String positive "down";
String standard_name "sea_water_pressure";
String units "dBar";
Float64 valid_max 162.1999969482422;
Float64 valid_min 3.0;
}
depth {
String _CoordinateAxisType "Height";
String _CoordinateZisPositive "down";
Float64 _FillValue -9.99;
Float64 actual_range 3.0, 161.0;
String axis "Z";
Float64 colorBarMaximum 8000.0;
Float64 colorBarMinimum -8000.0;
String colorBarPalette "TopographyDepth";
String coverage_content_type "physicalMeasurement";
String grid_mapping "crs";
String instrument "Sea-Bird SBE-911-Plus";
String ioos_category "Location";
String long_name "Depth";
String platform "R/V GYRE";
String positive "down";
String standard_name "depth";
String units "m";
Float64 valid_max 161.0;
Float64 valid_min 3.0;
}
temperature {
Float64 _FillValue -9.99;
Float64 actual_range 17.69029998779297, 23.48550033569336;
Float64 colorBarMaximum 32.0;
Float64 colorBarMinimum 0.0;
String coverage_content_type "physicalMeasurement";
String grid_mapping "crs";
String instrument "Sea-Bird SBE-911-Plus";
String ioos_category "Temperature";
String long_name "Temperature ";
String platform "R/V GYRE";
String standard_name "sea_water_temperature";
String units "degree_C";
Float64 valid_max 23.48550033569336;
Float64 valid_min 17.69029998779297;
}
potentialTemperature {
Float64 _FillValue -9.99;
Float64 actual_range 17.662599563598633, 23.484800338745117;
Float64 colorBarMaximum 32.0;
Float64 colorBarMinimum 0.0;
String coverage_content_type "physicalMeasurement";
String grid_mapping "crs";
String instrument "Sea-Bird SBE-911-Plus";
String ioos_category "Temperature";
String long_name "Potential Temperature ";
String ncei_name "sea_water_potential_temperature";
String platform "R/V GYRE";
String standard_name "sea_water_potential_temperature";
String units "degree_C";
Float64 valid_max 23.484800338745117;
Float64 valid_min 17.662599563598633;
}
conductivity {
Float64 _FillValue -9.99;
Float64 actual_range 4.723100185394287, 5.243899822235107;
Float64 colorBarMaximum 40.0;
Float64 colorBarMinimum 30.0;
String coverage_content_type "physicalMeasurement";
String grid_mapping "crs";
String instrument "Sea-Bird SBE-911-Plus";
String ioos_category "Salinity";
String long_name "Conductivity";
String platform "R/V GYRE";
String standard_name "sea_water_electrical_conductivity";
String units "Siemens per meter";
Float64 valid_max 5.243899822235107;
Float64 valid_min 4.723100185394287;
}
salinity {
Float64 _FillValue -9.99;
Float64 actual_range 34.624298095703125, 36.50120162963867;
Float64 colorBarMaximum 37.0;
Float64 colorBarMinimum 32.0;
String coverage_content_type "physicalMeasurement";
String grid_mapping "crs";
String instrument "Sea-Bird SBE-911-Plus";
String ioos_category "Salinity";
String long_name "Salinity";
String platform "R/V GYRE";
String standard_name "sea_water_practical_salinity";
String units "PSU";
Float64 valid_max 36.50120162963867;
Float64 valid_min 34.624298095703125;
}
sigmat {
Float64 _FillValue -9.99;
Float64 actual_range 23.525999069213867, 26.39389991760254;
Float64 colorBarMaximum 200.0;
Float64 colorBarMinimum 0.0;
String coverage_content_type "physicalMeasurement";
String grid_mapping "crs";
String instrument "Sea-Bird SBE-911-Plus";
String ioos_category "Unknown";
String long_name "sigma-t";
String platform "R/V GYRE";
String standard_name "sea_water_sigma_t";
String units "kg m-3";
Float64 valid_max 26.39389991760254;
Float64 valid_min 23.525999069213867;
}
descentRate {
Float64 _FillValue -9.99;
Float64 actual_range 0.01600000075995922, 1.3980000019073486;
Float64 colorBarMaximum 1.5;
Float64 colorBarMinimum 0.0;
String coverage_content_type "physicalMeasurement";
String grid_mapping "crs";
String instrument "Sea-Bird SBE-911-Plus";
String ioos_category "Unknown";
String long_name "instrument package decent rate";
String platform "R/V GYRE";
String standard_name "package_decent_rate";
String units "meters per second";
Float64 valid_max 1.3980000019073486;
Float64 valid_min 0.01600000075995922;
}
transmission {
Float64 _FillValue -9.99;
Float64 actual_range 4.218999862670898, 4.432000160217285;
Float64 colorBarMaximum 100.0;
Float64 colorBarMinimum 0.0;
String coverage_content_type "physicalMeasurement";
String grid_mapping "crs";
String instrument "Sea-Bird SBE-911-Plus";
String ioos_category "Optical Properties";
String long_name "beam transmission [%]";
String platform "R/V GYRE";
String standard_name "beam_transmission_in_sea_water";
String units "percent";
Float64 valid_max 4.432000160217285;
Float64 valid_min 4.218999862670898;
}
par {
Float64 _FillValue -9.99;
Float64 actual_range -9.0, -9.0;
Float64 colorBarMaximum 70.0;
Float64 colorBarMinimum 0.0;
String coverage_content_type "physicalMeasurement";
String grid_mapping "crs";
String instrument "Sea-Bird SBE-911-Plus";
String ioos_category "Optical Properties";
String long_name "photosynthetically active radiation ";
String platform "R/V GYRE";
String standard_name "downwelling_photosynthetic_photon_spherical_irradiance_in_sea_water";
String units "umol m-2 s-1";
Float64 valid_max -9.0;
Float64 valid_min -9.0;
}
parv {
Float64 _FillValue -9.99;
Float64 actual_range -9.0, -9.0;
Float64 colorBarMaximum -8.6;
Float64 colorBarMinimum -9.4;
String coverage_content_type "physicalMeasurement";
String grid_mapping "crs";
String instrument "Sea-Bird SBE-911-Plus";
String ioos_category "Optical Properties";
String long_name "photosynthetically active radiation in volts";
String platform "R/V GYRE";
String standard_name "downwelling_photosynthetic_photon_spherical_irradiance_in_sea_water";
String units "volts";
Float64 valid_max -9.0;
Float64 valid_min -9.0;
}
fluorescence {
Float64 _FillValue -9.99;
Float64 actual_range 0.7440000176429749, 1.3370000123977661;
Float64 colorBarMaximum 1.4000000000000001;
Float64 colorBarMinimum 0.6000000000000001;
String coverage_content_type "physicalMeasurement";
String grid_mapping "crs";
String instrument "Sea-Bird SBE-911-Plus";
String ioos_category "Optical Properties";
String long_name "relative fluoresence";
String platform "R/V GYRE";
String standard_name "relative_fluoresence";
String units "volts";
Float64 valid_max 1.3370000123977661;
Float64 valid_min 0.7440000176429749;
}
backscattering {
Float64 _FillValue -9.99;
Float64 actual_range 0.039000000804662704, 0.2549999952316284;
Float64 colorBarMaximum 0.30000000000000004;
Float64 colorBarMinimum 0.0;
String coverage_content_type "physicalMeasurement";
String grid_mapping "crs";
String instrument "Sea-Bird SBE-911-Plus";
String ioos_category "Unknown";
String long_name "relative backscattering";
String platform "R/V GYRE";
String standard_name "relative_backscattering";
String units "volts";
Float64 valid_max 0.2549999952316284;
Float64 valid_min 0.039000000804662704;
}
instrument {
Int32 actual_range -2147483647, -2147483647;
String calibration_date "unknown";
String ioos_category "Unknown";
String long_name "Sea-Bird SBE-911-Plus";
String make_model "Seabird ";
String serial_number "unknown";
}
instrument1 {
String calibration_date "unknown";
String ioos_category "Unknown";
String long_name "ADCP";
String make_model "RDI";
String serial_number "unknown";
}
instrument2 {
Int32 actual_range -2147483647, -2147483647;
String calibration_date "unknown";
String ioos_category "Unknown";
String long_name "XBT";
String make_model "unknown";
String serial_number "unknown";
}
crs {
Float64 actual_range 9.969209968386869e+36, 9.969209968386869e+36;
String epsg_code "EPSG:4326";
String grid_mapping_name "latitude_longitude";
Float64 inverse_flattening 298.257223563;
String ioos_category "Unknown";
String long_name "CRS";
Float64 longitude_of_prime_meridian 0.0;
Float64 semi_major_axis 6378137.0;
}
}
NC_GLOBAL {
String cdm_data_type "Profile";
String cdm_profile_variables "profile, pressure, depth, temperature, potentialTemperature, conductivity, salinity, sigmat, descentRate, transmission, par, parv, fluorescence, backscattering";
String comment00 "message00 : The following are lines from the original file";
String comment01 "message01 : $NEGOM: Last Modification 02/13/2002";
String comment02 "message02 : $$NEGOM: Interpolated new temperature and conductivity value at depth = 4.5&5.0";
String comment03 "message03 : $$NEGOM: Interpolated new temperature and conductivity value at depth = 10.5m";
String comment04 "message04 : $NEGOM: PAR and PAR volts flagged due to night time.";
String comment05 "message05 : $$NEGOM: %T and V0 corrected for light source degredation";
String comment06 "message06 : $NEGOM: 11-May-1999 Transmissometer corrected.";
String comment07 "message07 : $NEGOM: Backscatterance wild-points removed (interpolated) or flagged.";
String comment08 "message08 : $NEGOM: %T=20V, V = (4.660/4.71)*(v0+0.002) Trans applied 11-May-99";
String comment09 "message09 : $NEGOM: Modification 29-Jan-1998 Header Standardized";
String comment10 "message10 : *******************************************************************";
String comment11 "message11 : ** The Northeastern Gulf of Mexico Physical Oceanography Program **";
String comment12 "message12 : ** Chemical Oceanography and Hydrography Study **";
String comment13 "message13 : ** **";
String comment14 "message14 : ** Sponsored by: U.S. Minerals Management Service **";
String comment15 "message15 : ** Contract number OCS 1435-01-97-CT-30851 **";
String comment16 "message16 : ** **";
String comment17 "message17 : ** Conducted by: Dept. of Oceanography, Texas A&M University **";
String comment18 "message18 : ** **";
String comment19 "message19 : ** Archived by; **";
String comment20 "message20 : ** **";
String comment21 "message21 : ** The National Oceanographic Data Center (NODC) **";
String comment22 "message22 : ** NODC Project Code 0412 **";
String comment23 "message23 : ** **";
String comment24 "message24 : ** For questions regarding these data please contact: **";
String comment25 "message25 : ** Dr. Matthew K. Howard **";
String comment26 "message26 : ** Department of Oceanography, Texas A&M University **";
String comment27 "message27 : ** College Station, TX 77843-3146 **";
String comment28 "message28 : ** (979)-862-4169 (voice), email: mkhoward@tamu.edu **";
String comment29 "message29 : *******************************************************************";
String comment30 "message30 : **********************************************************";
String comment31 "message31 : * Column 1: Pressure (decibars)";
String comment32 "message32 : * Column 2: Depth (salt water) (meters)";
String comment33 "message33 : * Column 3: Temperature (deg C) ITS-90";
String comment34 "message34 : * Column 4: Potential temperature (deg C)";
String comment35 "message35 : * Column 5: Conductivity (S/m)";
String comment36 "message36 : * Column 6: Salinity (PSS-78 psu)";
String comment37 "message37 : * Column 7: Sigma-theta (kg/m^3)";
String comment38 "message38 : * Column 8: Oxygen current (microamps)";
String comment39 "message39 : * Column 9: Oxyyen temperature (deg C)";
String comment40 "message40 : * Column 10: Instrument package descent rate dz/dt (m/s)";
String comment41 "message41 : * Column 11: Transmission (percent)";
String comment42 "message42 : * Column 12: Transmission (volts)";
String comment43 "message43 : * Column 13: Irradiance (PAR) (microEinsteins/m^2/sec)";
String comment44 "message44 : * Column 14: Irradiance (PAR) (volts)";
String comment45 "message45 : * Column 15: Relative fluorescence (volts)";
String comment46 "message46 : * Column 16: Relative Backscatterance (volts)";
String comment47 "message47 : **********************************************************";
String comment48 "message48 : * Press Depth Temp PoTemp Cond Sal Sig-Th O2-Cur O2Temp dz/dt %Tran Tran-V PAR PAR-V FL-V OBS-V";
String comment49 "message49 : *END*";
String contributor_email "wnowlin@tamu.edu, ajochens@tamu.edu, d-biggs@tamu.edu, guinasso@tamu.edu, mkhoward@tamu.edu, m-kennicutt@tamu.edu, ";
String contributor_institution "Texas A&M University";
String contributor_name "Worth D. Nowlin,Jr., Ann E. Jochens, Douglas Biggs, Norman L. Guinasso,Jr., Matthew K. Howard, M.C. Kennicutt II, Robert O. Reid";
String contributor_phone ",+1-979-862-4168,,+1-979-458-9327, +1-979-862-4169,,";
String contributor_role "Professor, Research Schientist, Professor, Research Schientist, Research Schientist, Professor, Professor";
String contributor_type "person";
String Conventions "CF-1.6, ACDD-1.3, COARDS";
String Country "USA";
String creator_email "mstoessel@ocean.tamu.edu, mkhoward@tamu.edu";
String creator_institution "Texas A&M University, Department of Oceanography";
String creator_name "Marion Stoessel, Dr. Matthew K. Howard";
String creator_phone "+1-979-845-7662, +1-979-862-4169";
String creator_role "Senior Research Associate, Research Scientist";
String creator_type "person";
String creator_url "http://ocean.tamu.edu//people/researchpersonnel/stosselmarion, https://ocean.tamu.edu//people/researchpersonnel/howardmatthewk";
String date_last_modified "2020-01-30 09:04:35";
String defaultGraphQuery "temperature,depth,profile&.draw=markers&.marker=5%7C5&.color=0x000000&.colorBar=%7C%7C%7C%7C%7C&.bgColor=0xffccccff&.yRange=%7C%7Cfalse";
Float64 Easternmost_Easting -85.23570251464844;
String featureType "Profile";
Float64 geospatial_lat_max 28.507999420166016;
Float64 geospatial_lat_min 28.507999420166016;
String geospatial_lat_units "degrees_north";
Float64 geospatial_lon_max -85.23570251464844;
Float64 geospatial_lon_min -85.23570251464844;
String geospatial_lon_units "degrees_east";
Float64 geospatial_vertical_max 161.0;
Float64 geospatial_vertical_min 3.0;
String geospatial_vertical_positive "down";
Float32 geospatial_vertical_resolution 0.5;
String geospatial_vertical_units "m";
Float32 getspatial_lat_max 28.508;
String grid_mapping_epsg_code "EPSG:4326";
Float64 grid_mapping_inverse_flattening 298.257223563;
Float64 grid_mapping_longitude_of_prime_meridian 0.0;
String grid_mapping_name "latitude_longitude";
Float64 grid_mapping_semi_major_axis 6378137.0;
String history
"2024-11-17T21:54:41Z (local files)
2024-11-17T21:54:41Z https://gcoos5.geos.tamu.edu/tabledap/negom_n2l09s11.das";
String id "n2l09s1";
String infoUrl "http://ocean.tamu.edu//people/researchpersonnel/stosselmarion, https://ocean.tamu.edu//people/researchpersonnel/howardmatthewk";
String institution "OCEAN.TAMU";
String instrument "ADCP, CTD, bottle, current profiler-expendable(XBT)";
String keywords "acoustic, active, adcp, and light transmission, assurance, available, backscattering, bathythermograph, beam, beam_transmission_in_sea_water, bird, bottomdepth, chemical, conductivity, control, crs, current, currents, data, decent, density, depth, descentRate, doppler, downwelling, downwelling irradiance, downwelling_photosynthetic_photon_spherical_irradiance_in_sea_water, earth, Earth Science > Oceans > Ocean Optics > Photosynthetically Active Radiation, Earth Science > Oceans > Ocean Optics > Radiance, Earth Science > Oceans > Ocean Pressure > Water Pressure, Earth Science > Oceans > Ocean Temperature > Potential Temperature, Earth Science > Oceans > Ocean Temperature > Water Temperature, Earth Science > Oceans > Salinity/Density > Conductivity, Earth Science > Oceans > Salinity/Density > Density, Earth Science > Oceans > Salinity/Density > Salinity, eastern, egmex, electrical, expendable bathythermograph, expendible, fluorescence, fluoresence, gom, gulf, gulf of mexico, hydrography, identifier, instrument, instrument1, instrument2, irradiance, latitude, longitude, mexico, n2l09s1, northeastern, ocean, ocean.tamu, oceanography, oceans, optical, optical properties, optics, package, package_decent_rate, par, parv, percent, photon, photosynthetic, photosynthetically, plus, potential, potentialTemperature, practical, pressure, profile, profiler, properties, quality, radiance, radiation, rate, relative, relative_backscattering, relative_fluoresence, salinity, sbe, sbe-911-plus, science, sea, sea-bird, sea_water_electrical_conductivity, sea_water_potential_temperature, sea_water_practical_salinity, sea_water_pressure, sea_water_sigma_t, sea_water_temperature, seawater, sigma, sigma-t, sigmat, spherical, study, temperature, time, total, transmission, velocity, volts, water, xbt";
String keywords_vocabulary "GCMD Science Keywords";
String license "Unrestricted use and distribution";
String message01 "***********************************************************************************************************";
String message02 "***********************************************************************************************************";
String metadata_link "unknown";
Float64 Northernmost_Northing 28.507999420166016;
String platform "R/V GYRE";
String processing_level "Geophysical units from raw data";
String program "Northeastern Gulf of Mexico Chemical Oceanography and Hydrography Study (NEGOM).";
String publisher_email "baum@stommel.tamu.edu";
String publisher_institution "Texas A&M University, Department of Oceanography";
String publisher_name "Steve Baum";
String publisher_type "person";
String publisher_url "http://ocean.tamu.edu//people/researchpersonnel/baumsteve";
String references "Reports: https://www.boem.gov/ESPIS/3/3253.pdf, https://www.boem.gov/ESPIS/3/3209.pdf, https://www.boem.gov/ESPIS/3/3184.pdf.";
String sea_name "Gulf of Mexico";
String sourceUrl "(local files)";
Float64 Southernmost_Northing 28.507999420166016;
String standard_name_vocabulary "CF Standard Name Table v29";
String subsetVariables "pressure, depth, temperature, potentialTemperature, conductivity, salinity, sigmat, descentRate, transmission, par, parv, fluorescence, backscattering";
String summary "The Northeastern Gulf of Mexico Physical Oceanography Program (NEGOM) is supported by the Minerals Management Service (MMS) of the U.S. Department of the Interior. Through a contract between MMS and the Texas A&M Research Foundation, several components of the Texas A&M University System are conducting the Chemical Oceanography and Hydrography study of NEGOM (NEGOM-COH). This report covers activities from October 1997 through June 1998. Data were collected from hydrographic and acoustic Doppler current profiler (ADCP) surveys conducted in the Gulf of Mexico over the continental shelf and upper slope between the Mississippi delta and Tampa Bay in water depths of 10 to 1000 m. Additionally, historical and concurrent data from other programs in this region were collected. Two hydrographic/ADCP surveys, N1 and N2, were conducted with 94 and 98 hydrographic sampling stations and with 80 and 97 expendable bathythermograph stations on respective cruises. Each survey also included continuous ADCP measurements along the cruise track. At each hydrographic sampling station continuous profiles were made of conductivity, temperature, pressure, downwelling irradiance, fluorescence, and light transmission. Up to twelve water samples were taken at each station and analyzed for dissolved oxygen and six nutrients: nitrate, nitrite, phosphate, silicate, ammonium, and urea. At 51 stations on cruise N1 and 61 on N2, water samples were filtered and analyzed for phytoplankton pigments at the surface and from the chlorophyll maximum and the low light regime immediately below it. Pigments were determined using high performance liquid chromatography. At 60 stations on each cruise, water samples were filtered and analyzed for particulate matter concentrations at surface, middle, and bottom water depths and for particulate organic carbon concentrations at surface and bottom water depths. Bottle salinity was measured at every station on the first cruise and at the shallowest and deepest stations on each cross-shelf line on the second. The instrumentation as well as calibration and sampling procedures are described in this report. The collected data were subjected to stringent quality assurance/quality control procedures.";
String time_coverage_end "1998-04-30T01:27:00Z";
String time_coverage_start "1998-04-30T01:27:00Z";
String title "\"NEGOM CTD - n2l09s11.nc - 28.51N, 85.24W - 1998-05-00\"";
Float64 Westernmost_Easting -85.23570251464844;
}
}
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