Environmental Monitoring

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

Dauphin Island Station
Location: Dauphin Island Latitude: 30° 15.075' N Longitude 88° 04.670' W
Meteorological Instrumentation
Sensor Sensor Type Range Accuracy Resolution Height Wind Speed and Direction R.M. Young Wind Monitor 05103-L 0-134 mph +/- 0.6 mph 0.1 mph 9.68 m above MLLW Temperature Campbell Scientific Temperature and Relative Humidity Probe HC2S3 -50°C to +100°C <+/- 0.1°C with standard configuration settings 0.1°C 5.32 m above MLLW Photosythetically Active Radiation Li-Cor Quantum Sensor LI-190SB 10,000 µmol /s/m2 +/- 5% 1 µE/m2/s 4.67 m above MLLW Total Solar Radiation Li-Cor Pyronometer LI-200X 0 to 3000 W/m2 Max +/-5%, +/-3% typical in natural daylight 0.01 kW/m2 4.67 m above MLLW Barometric Pressure Vaisala Barometer PTB101B 600 to 1060 mb +/- 0.5 mb at 20ºC 0.01 mb 3.34 m above MLLW Precipitation Texas Electronics Tipping Bucket Rain Guage TR-525 Up to 2 in/hour 1.0% at 1 in/hour or less 0.01 in 4.55 m above MLLW Relative Humidity Campbell Scientific Temperature and Relative Humidity Probe HC2S3 0 to 100% non-condensing +/-0.8% RH with standard configuration settings 0.1% RH 5.32 m above MLLW
Hydrographical Instrumentation
Sensor Sensor Type Range Accuracy Resolution Temperature YSI EXO2 Thermistor -5 to 50° C +/-0.2° C 0.001° C Dissolved Oxygen percent YSI EXO2 Optical Luminescence 0 to 500% air saturation 0-200% air saturation, +/- 1% of the reading or 1% air saturation, whichever is greater; 200-500% air saturation, +/- 5% of reading 0.1% air saturation Dissolved Oxygen mg/L YSI EXO2 ROX Optical Luminescence 0 to 50 mg/L 0-20 mg/L, +/- 1% of the reading or 0.1 mg/L, whichever is greater; 20-50 mg/L, +/- 5% of reading 0.01 mg/L Salinity YSI EXO2 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 EXO2 Stainless Steel Strain Gauge 0 to 33 ft +/-0.013ft or +/- 0.004m 0.001 ft (0.001m) Turbidity YSI EXO2 Optical, 90° Scatter w/ Mechanical cleaning 0-4000FNU 0-999 FNU: 0.3 FNU or+/-2% of reading, whichever is greater; 1000-4000 FNU: +/-5% of reading. 0.01FNU Conductivity YSI EXO2 4-electrode nickle cell 0 to 200 mS/cm +/- 1.0% of reading +0.002 mS/cm 0.0001 mS/cm to 0.01 mS/cm (range dependent)