CTD - Lake Guardian - June, July, August, September - SBE 911 Plus

Unedited CTD profile – downcast and upcast.

Sea-Bird Electronics
SBE 911plus CTD

Pressure (depth) sensor
Conductivity sensor
Temperature sensor – accuracy: .001; resolution: .0003
Dissolved Oxygen 43 sensor – accuracy: 2% of saturation; stability: 2% per 1000 hrs
Transmissometer (Sea Tech)
Note: transmissometer readings from summer of 2005 are unreliable…contact Nathan Hawley for more information
Biospherical PAR
pH sensor
Fluorometer (Sea Tech) – min. detectable: .02 ug/l
Altimeter (Tritech) bottom sensor

* Software Version Seasave Win32 V 5.33
* Temperature SN = 1554
* Conductivity SN = 2244
# name 0 = depFM: Depth [fresh water, m]
# name 1 = t090C: Temperature [ITS-90, deg C]
# name 2 = c0uS/cm: Conductivity [uS/cm]
# name 3 = sbeox0Mg/L: Oxygen, SBE 43 [mg/l]
# name 4 = par: PAR/Irradiance, Biospherical/Licor
# name 5 = ph: pH
# name 6 = altM: Altimeter [m]
# name 7 = bat: Beam Attenuation, Chelsea/Seatech/Wetlab CStar [1/m]
# name 8 = xmiss: Beam Transmission, Chelsea/Seatech/Wetlab CStar [%]
# name 9 = prDE: Pressure, Digiquartz [psi]
# name 10 = ptempC: Pressure Temperature [deg C]
# name 11 = flSP: Fluorescence, Seapoint
# name 12 = specc: Specific Conductance [uS/cm]

Nathan Hawley
NOAA-GLERL, 2205 Commonwealth Blvd.
Ann Arbor, MI 48105-2945
(734)741-2273