underway_bottle

 PI:               Louis Codispoti
 of:               Horn Point Laboratory; UMCES
 dataset:          Hydrographic data from ship's underway pumping system
 project/cruise:   AESOPS  NBP97-8, Process Cruise 4

 ship:             Nathaniel B. Palmer
 
 Sampling Methodology

 Parameter   Description                                     Units

 YYYY        year
 MM          month
 DD          day
 HH          hour   UTC (GMT)
 mm          minutes   UTC (GMT)
 yrday       day of year, including time of the day          decimal days
               0000 01 Jan =   1.0000
               2359 31 Dec = 365.9993
 lat         latitude, negative=south                        decimal degrees
 lon         longitude, negative=west                        decimal degrees
 temp_tsg    thermosalinograph temperature                   degrees Celsius
 sal_tsg     thermosalinograph salinity (PSU)                dimensionless
 sal_bot     bottle salinity (Autosal; PSU)                  dimensionless
 O2          oxygen concentration (Winkler)                  milliliters/liter
 NO3         nitrate concentration                           micromoles/liter
 PO4         phosphate (reactive phosphorus) concentration   micromoles/liter
 SiO4        dissolved Si (silicate, reactive silicate)      micromoles/liter
 NO2         nitrite concentration                           micromoles/liter
 NH4         ammonium (ammonia) concentration                micromoles/liter 
 qflag       Z denotes that times were assumed to be UTC
               but were not specifically recorded as such
               in the original records
 nd          no data or bad data