current_meter

PI:         William Broenkow
of:         MOSS LANDING MARINE LABORATORY
dataset:    S4 Current Meter Observations on MLML Particle Trap
project:    North Atlantic Bloom Experiment  
ships:      Atlantis II  119 leg 5, May-June 1989

  Trap Deployment "C"  
  Initial Position:  46 22.0 N  17 38.0 W
  Started Logging:  0945 (GMT) 22 May 1989
  Deployment Depth: 160 meters
  S4 Meter Serial Number: 04670917
  S4 Logging Parameters: Sample interval: 900.0 sec  
			 Channels: 4  SRB Count: 24
                         Cycle Times (day,hhmm):
			 On: 0,0015  Cycle: 0,0100

  Note:  all positions listed are smoothed ARGOS positions, 
         unless otherwise noted

  Ref:   JGOFS North Atlantic Bloom long track and vertical profiling
	 results. W.W. Broenkow, R.E. Reaves and M.A. Yarbrough MLML
	 (Moss Landing) Tech Pub 90-1.

 
 Parameters            Description                                Units

 date                  Date of S4 time series, as YYYYMMDD
 time_dec              Time of day of S4 time series              GMT decimal hours
 time_gmt              Time from Midnight 22 April 1989           GMT decimal hours
 lat                   North Latitude of Trap Mooring             decimal degrees
 lon                   West Longitude of Trap Mooring             decimal degrees
 temp                  Temperature                                degrees C
 press                 Pressure                                   decibars
 moor_vel_north        Mooring Velocity North (V) Component       cm/sec
 moor_vel_east         Mooring Velocity East (U) Component        cm/sec
 moor_speed            Mooring Speed                              cm/sec
 moor_dir              Mooring Direction                          degrees Magnetic
 curr_north            Relative Current North (V) Component,      cm/sec
			  measured by S4 at 160 m
 curr_east             Relative Current East (U) Component,       cm/sec
			  measured by S4 at 160 m
 curr_speed            Relative Current Speed,                    cm/sec
			  measured by S4 at 160 m
 curr_dir              Relative Current Direction                 degrees Magnetic
			  measured by S4 at 160 m
 curr_vel_north_abs    Absolute Velocity North (V) Component,     cm/sec
			  sum S4 relative + mooring
 curr_vel_east_abs     Absolute Velocity East (U) Component,      cm/sec
			  sum S4 relative + mooring
 curr_speed_abs        Absolute Current Speed,                    cm/sec
			  sum S4 relative + mooring
 curr_dir_abs          Absolute Current Direction,                degrees Magnetic
			  sum S4 + mooring