Environmental Monitoring

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

Meaher Park Station
Location: Meaher Park Latitude: 30° 40.028' N Longitude 87° 56.188' W
Meteorological Instrumentation
Sensor Sensor Type Range Accuracy Resolution Height Wind Speed and Direction R.M. Young Wind Monitor 0-134 mph +/- 0.6 mph 0.1 mph 8.5 m above Deck Air Temperature Vaisala Temperature Probe HMP45C -39.2°C to +60°C +/- 0.4°C from -40°C to 60°C 0.1°C 4.15 m above Deck Photosythetically Active Radiation Li-Cor Quantum Sensor LI-190SB 10,000 µmol/s/m2 +/- 5% 1 µE/m2/s 3.78 m above Deck Total Solar Radiation Li-Cor Pyronometer LI-200X 0 to 3000 W/m2 Max +/-5%, +/-3% typical in natural daylight 0.01 kW/m2 3.78 m above Deck Barometric Pressure Vaisala Barometer PTB101B 600 to 1060 mb +/- 0.5 mb at 20ºC 0.01 mb 1.85 m above Deck Precipitation Texas Electronics Tipping Bucket Rain Guage TE-525 Up to 2 in/hour 1% at 1 in/hour or less 1% at 1 in/hour or less 2.48 m above Deck
Hydrographical Instrumentation
Sensor Sensor Type Range Accuracy Resolution Temperature YSI 6600 Thermistor -5 to 45° C +/- 0.15° C 0.01° C Dissolved Oxygen percent YSI 6600 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 ROX Optical Dissolved Oxygen 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, +/- 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 Strain Guage 0 to 30 ft 0-10 ft = +/- .01 ft .001 ft Turbidity YSI 6600 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 Optical, fluorescence, w/ mechanical cleaning 0 to 400 µg/LChl; 0-100% Full scale Fluorescence units No specifications provided .1 µg/LChl; .1% FS Conductivity YSI 6600 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)