Environmental Monitoring

    Bon Secour
    Cedar Point
    Dauphin Island
    Grand Bay
    Katrina Cut
    Meaher Park
    Middle Bay Light
    Perdido Pass
    Weeks Bay
    West End CP

Perdido Pass Station
Location: Perdido Pass Latitude: 30°16.746' N Longitude 87°33.365' W
Meteorological Instrumentation
Sensor Sensor Type Range Accuracy Resolution Height Wind Speed and Direction R.M. Young Wind Monitor 05106-L 0-224 mph +/- 6 mph or 1% of reading 0.2192 mph/(scan rate in seconds) 12.23m above deck Air Temperature and Relative Humidity Vaisala HMP45C Humidity and temperature probe -40° C to +60° C 0-100% Temperature: +/- 0.2 at 20° C Humidity accuracy at 20° C:+/- 2%RH (0 to 90% Relative Humidity) +/- 3% (90% to 100% Relative Humidity) 5.42 Photosynthetically Active Radiation Li-Cor Quantum Sensor LI-190SB 10,000 umol/s/m2 +/- 5% 1uE/m2/s 5.48 Total Solar Radiation Li-Cor Quantum Sensor LI-200X-L 0 to 3000 W/m2 max +/- 5%, +/- 3% typical in natural daylight 0.01 kW/m2 5.48 Barometric Pressure Vaisala Barometer PTB101B 600 to 1060 mb +/- 0.5 mb at 20°C 0.01 mb 2.36 Precipitation Texas Electronics Tipping Rain Bucket Guage TE-525 Up to 3 in/hr +0, -5% 0.01 in 5.58
Hydrographical Instrumentation
Sensor Sensor Type Range Accuracy Resolution Temperature YSI 6600 6560 Thermistor -5 to 45° C +/- 0.15° C 0.01° C Dissolved Oxygen percent YSI 6600 6450AF ROX Optical Dissolved Oxygen 0 to 500% air saturation 0-200% air saturation, +/- 1% of the reading or 1% air saturation, whichever is greater; 200-500% air saturation, +/- 15% of reading 0.1% air saturation Dissolved Oxygen mg/L YSI 6600 6450AF ROX Optical Dissolved Oxygen 0 to 50mg/L 0-20 mg/L, +/- 1% of the reading or 0.1 mg/L; whichever is greater; 20-50 mg/L, +/- 15% of reading 0.01 mg/L Salinity YSI 6600 Calculated from conductivity and temperature 0 to 70 ppt +/- 1.0% of reading or 0.1 ppt, whichever is greater 0.01 ppt Vented level YSI 6600 Stainless Steel Guage 0 to 30 ft 0-10 ft = +/10.01 ft 0.001 ft Turbidity YSI 6600 6436 Optical, 90? Scatter w/mechanical cleaning 0-1000 NTU +/- 5% of reading or 2 NTU (whichever is greater), relative to calibration standards 0.1 NTU Chlorophyll YSI 6600 6425 Optical, fluorescence, w/mechanical cleaning 0 to 400 ug/L Chl; 0-100% Full scale fluorescence units No specifications provided 0.1 ug/L Chl; 0.1% FS Conductivity YSI 6600 6560 4 electrode cell with autoranging 0 to 100 mS/cm +/- 0.5% of reading +0.001 mS/cm 0.001 mS/cm to 0.1 mS/cm (range dependent)