Margaret B. Lansing
 NOAA/GLERL
 2205 Commonwealth Blvd.
 Ann Arbor, MI 48105-2945
 phone:   734-741-2210
 fax:     734-741-2055
 e-mail:  margaret.lansing@noaa.gov

CTD casts were taken with a Sea-Bird Electronics Seacat Profiler 
(model # SBE19) Sea-Bird Electronics, Inc. Bellevue, WA.  The 
Seacat Profiler samples its sensors at a programmable rate up 
to 2 "scans" per second providing the ability to characterize 
the water column with high accuracy and half-second resolution.

Chlorophyll a fluorescence was measured using the in situ fluorometer 
with the range set at X1 (Output is 0 - 5 Volts, 5 Volts = 30 ug/l).
A time constant of 3 seconds was selected to smooth the output data.  
Power requirements are nominally 12VDC at 150mA, and 

Profiler Specifications:
                       Range      Accuracy      Resolution
Depth (meters)       60 to 1000    +/- 0.25%     +/- 0.015%
Temperature (deg C)  -5 to +35     +/- 0.01      +/- 0.001
Oxygen (mg/L)               (parameter not measured)
Conductivity (S/m)    0 to 7       +/- 0.001     +/- 0.0001
Par  (V)                    (parameter not measured)
pH                          (parameter not measured)