$NEGOM N2: 21-FEB-2002 Last Modification
$NEGOM N2: This file was created 31-MAR-1999.
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** The Northeastern Gulf of Mexico Physical Oceanography Program **
**        Chemical Oceanography and Hydrography Study            **
**                                                               **
** Sponsored by: U.S. Minerals Management Service                **
**               Contract number OCS 1435-01-97-CT-30851         **
**                                                               **
** Conducted by: Dept. of Oceanography, Texas A&M University     **
**                                                               **
** Archived by;                                                  **
**                                                               **
**    The National Oceanographic Data Center (NODC)              **
**              NODC Project Code 0412                           **
**                                                               **
** For questions regarding these data please contact:            **
** Dr. Matthew K. Howard                                         **
** Department of Oceanography, Texas A&M University              **
** College Station, TX 77843-3146                                **
** (979)-862-4169 (voice), email: mkhoward@tamu.edu              **
*******************************************************************
$NEGOM N2: 21-FEB-2002 Added Standardized Contact Header
$NEGOM N2: 
$NEGOM N2: This file contains the extracted chlorophyll-a from water samples
$NEGOM N2:   taken from a flow-through sampling stream on R/V GYRE. 
$NEGOM N2:   The sampling stream was pumped at a rate of 20 L/min from 
$NEGOM N2:   a hull depth of 3 m into the main laboratory through a debubbler 
$NEGOM N2:   and mixing chamber of 20-liter volume; the water in the mixing 
$NEGOM N2:   chamber had a residence time of about one minute.  This pumped 
$NEGOM N2:   flow was reduced from 20 L/min to 1 l/min using garden hoses 
$NEGOM N2:   connected by adjustable ball balues to a "Y" splitter valve 
$NEGOM N2:   leading off the debubbler.  This 1 L/min flow was shunted to 
$NEGOM N2:   a continuous-flow Turner Designs model 10 fluorometer, which  
$NEGOM N2:   provided instantaneous fluorescence data at 2-minute intervals.  
$NEGOM N2: One-liter samples were collected from the flow-through stream and  
$NEGOM N2:   filtered. As the sample was drawn, an average fluorescence was 
$NEGOM N2:   estimated.  Chlorophyll-a was extracted from the filters using   
$NEGOM N2:   methods of Parsons, T. R., Y. Maita, and C. M. Lalli, 1985, "A 
$NEGOM N2:   Manual of Chemical and Biological Methods for Seawater Analysis", 
$NEGOM N2:   Pergamon, Elmsford, New York, 173 pp.  The pairs of fluorescence 
$NEGOM N2:   and extracted chlorophyll-a were used to calibrate the 2-minute
$NEGOM N2:   fluorescence samples to obtain 2-minute calculated chlorophyll-a.
$NEGOM N2:   The 2-min data are reported in the SAIL data file for cruise N2.
$NEGOM N2:   
$NEGOM N2: _____________________________________________________________________
$NEGOM N2: PARAMETER DESCRIPTION                    UNITS
$NEGOM N2: CRZ       Cruise ID                      NEGOM cruise number
$NEGOM N2: DATE      Date in UTC                    day-month-year
$NEGOM N2: TIME      Time in UTC                    hour:minutes
$NEGOM N2: LAT       Latitude                       degrees North
$NEGOM N2: LON       Longitude                      degrees West
$NEGOM N2: FLC       Flow-through fluorescence      millivolts
$NEGOM N2: CHL       Extracted chlorophyll-a sample micrograms/liter
$NEGOM N2: STN_NAME  NEGOM station name where available
$NEGOM N2: _____________________________________________________________________
$NEGOM N2: 
$NEGOM N2: Primary QA/QC was performed at sea, 5-16 MAY 1998.
$NEGOM N2: 01-APR-1999 Checked and corrected locations.
$NEGOM N2: 01-APR-1999 Corrected time stamp for 15-MAY-1998 at 05:10.
$NEGOM N2: 02-APR-1999 Added header to file.
$NEGOM N2: 19-APR-2001 Added station names.
$NEGOM N2: 24-APR-2001 Corrected chlorophyll by factor of 2.
$NEGOM N2:
CRZ      DATE       TIME    LAT       LON     FLC    CHL   STN
 N2  05-MAY-1998   12:38   29.081   -87.237   161   0.21   1000m_transit
 N2  05-MAY-1998   15:43   28.668   -87.200   134   0.15   1000m_transit
 N2  05-MAY-1998   19:50   28.300   -86.850   129   0.11   1000m_transit
 N2  05-MAY-1998   23:25   28.054   -86.306   151   0.16   1000m_transit
 N2  06-MAY-1998   01:55   27.915   -85.903   131   0.11   1000m_transit
 N2  06-MAY-1998   13:17   27.500   -84.809   143   0.13   N2L11S11X
 N2  06-MAY-1998   16:15   27.500   -84.390   139   0.18   near_N2L11S08C
 N2  06-MAY-1998   17:35   27.499   -84.278   148   0.22   near_N2L11S08C
 N2  06-MAY-1998   19:00   27.501   -84.028   190   0.35   W_FL_outer_shelf
 N2  06-MAY-1998   21:20   27.500   -83.717   193   0.28   N2L11S05X
 N2  06-MAY-1998   23:40   27.497   -83.429   237   0.45   W_FL_inner_shelf
 N2  06-MAY-1998   23:47   27.498   -83.408   223   0.26   W_FL_inner_shelf
 N2  07-MAY-1998   00:34   27.500   -83.267   227   0.39   N2L11S03X
 N2  07-MAY-1998   02:45   27.499   -82.941   254   0.34   W_FL_inner_shelf
 N2  07-MAY-1998   04:05   27.539   -82.925   275   0.47   W_FL_inner_shelf
 N2  07-MAY-1998   08:20   28.103   -83.081   286   0.42   W_FL_inner_shelf
 N2  07-MAY-1998   10:32   28.453   -83.065   386   0.71   W_FL_inner_shelf
 N2  07-MAY-1998   12:50   28.557   -83.218   358   0.63   N2L10S02X
 N2  07-MAY-1998   14:42   28.478   -83.465   278   0.41   W_FL_inner_shelf
 N2  07-MAY-1998   15:22   28.440   -83.571   228   0.36   W_FL_inner_shelf
 N2  07-MAY-1998   17:23   28.375   -83.785   253   0.42   W_FL_inner_shelf
 N2  07-MAY-1998   18:57   28.292   -84.041   218   0.33   N2L10S07C
 N2  07-MAY-1998   20:32   28.237   -84.213   176   0.26   N2L10S08X
 N2  07-MAY-1998   23:07   28.125   -84.562   165   0.18   N2L10S10X
 N2  08-MAY-1998   07:51   27.852   -85.412   155   0.10   N1L10S19C
 N2  08-MAY-1998   10:13   27.789   -85.614   203   0.11   W_FL_slope
 N2  08-MAY-1998   10:30   27.782   -85.641   152   0.12   N2L10S21C
 N2  08-MAY-1998   12:24   27.820   -85.720   150   0.13   W_FL_slope
 N2  08-MAY-1998   15:43   28.004   -86.064   135   0.12   N2L09S21C
 N2  08-MAY-1998   19:47   28.200   -85.745   133   0.11   N2L09S17C
 N2  09-MAY-1998   03:00   28.617   -85.060   157   0.15   N2L09S09C
 N2  09-MAY-1998   12:18   29.337   -83.880   367   0.50   N2L09S03C
 N2  09-MAY-1998   14:15   29.485   -83.638  1025   3.39   N2L09S01C
 N2  09-MAY-1998   17:42   29.549   -84.093   405   0.80   Big_Bend_shelf
 N2  09-MAY-1998   18:12   29.560   -84.183   420   0.81   Big_Bend_shelf
 N2  09-MAY-1998   19:44   29.586   -84.459   305   0.49   Big_Bend_shelf
 N2  09-MAY-1998   21:03   29.580   -84.696   252   0.34   Big_Bend_shelf
 N2  10-MAY-1998   09:45   28.660   -85.909   149   0.12   SLOPE
 N2  10-MAY-1998   13:05   28.440   -86.166   153   0.15   SLOPE
 N2  10-MAY-1998   21:01   28.224   -86.753   137   0.12   SLOPE
 N2  11-MAY-1998   05:20   28.735   -86.574   146   0.13   near_N2L07S13C
 N2  11-MAY-1998   10:10   29.070   -86.185   187   0.23   SLOPE
 N2  11-MAY-1998   13:05   29.293   -85.931   190   0.24   N2L07S05C
 N2  11-MAY-1998   15:16   29.472   -85.728   235   0.31   near_N2L07S03C
 N2  11-MAY-1998   18:35   29.686   -85.464   317   0.68   N2L07S01C
 N2  11-MAY-1998   23:37   30.159   -85.864   351   0.63   near_N2L06S01C
 N2  12-MAY-1998   01:25   30.028   -86.017   349   0.64   N2L06S03C
 N2  12-MAY-1998   04:25   29.731   -86.273   276   0.45   FL_Panhandle_She
 N2  12-MAY-1998   13:10   28.983   -86.920   141   0.14   N2L06S15C
 N2  12-MAY-1998   20:28   29.010   -87.206   137   0.11   near_N2L05S17C
 N2  13-MAY-1998   02:57   29.607   -86.943   231   0.40   N2L05S11C
 N2  13-MAY-1998   06:50   29.897   -86.804   272   0.49   N2L05S07C
 N2  13-MAY-1998   11:22   30.364   -86.551   655   2.78   N2L05S01C
 N2  13-MAY-1998   18:00   30.280   -87.350   617   2.34   N2L04S00C
 N2  13-MAY-1998   20:04   30.026   -87.356   255   0.39   near_N2L04S03C
 N2  14-MAY-1998   02:01   29.401   -87.341   168   0.02   near_N2L04S10C
 N2  14-MAY-1998   05:09   29.193   -87.352   142   0.12   N2L04S12C
 N2  14-MAY-1998   12:58   28.900   -88.400   226   0.38   1000m_isobath
 N2  14-MAY-1998   13:13   28.800   -88.500   228   0.44   1000m_isobath
 N2  14-MAY-1998   15:30   28.662   -88.903   194   0.44   N2L01S07C
 N2  14-MAY-1998   18:12   28.802   -88.949   141   0.13   N2L01S05C
 N2  14-MAY-1998   19:40   28.888   -88.975   309   1.73   N2L01S04C
 N2  14-MAY-1998   20:46   28.964   -88.999   544   1.91   N2L01S03C
 N2  14-MAY-1998   22:11   29.062   -89.031  1885   6.08   N2L01S01C
 N2  14-MAY-1998   22:40   29.101   -88.977  1490   6.25   inner_shelf
 N2  15-MAY-1998   01:58   29.630   -88.748  1214   5.38   inner_shelf
 N2  15-MAY-1998   05:10   29.526   -88.631  3550   8.42   inner_shelf
 N2  15-MAY-1998   07:45   29.233   -88.506   166   0.22   N2L02S05C
 N2  15-MAY-1998   19:50   29.266   -87.893   174   0.21   N2L03S08C
 N2  15-MAY-1998   21:40   29.449   -87.925   208   0.27   N2L03S06X
 N2  16-MAY-1998   00:05   29.793   -87.996   664   1.93   N2L03S03C
