Transcript MiniBatos
Presentation & Evolution of the Shipboard Automatic Weather Station BATOS TECO 2005 - BUCAREST General description of the systems Technical information about the components Current network at Météo France Future work General description Screen Satellite communication Weather sensors General description Automatic acquisition of the basic weather parameters measured by sensors (pression, air and sea surface temperature, humidity, wind) Input of human weather observations Data check, processing and storage Generation and transmission of normalized encoding messages (via satellite) Display of the parameters General description and evolution Technical Information Pressure,Temperature and Humidity PTB 220 & HMP35DE (Vaisala) Pressure 800 to 1100 hPa Air temperature -30 to +50 °C Relative humidity 0,8 to 100 % BATOS II : PTU200 Water temperature PT100 – SPCK PROSENSOR Hull contact sensor (WMO recommandation) (platinium resistor temperature sensor) -80 to +160 °C Wind Speed and Direction Measures speed and direction (relatively to the ship) True direction calculated by the software (using speed, heading and the true rout of the vessel) Young 05106 •Resolution: 0.2 kn • Useful range: 0 to 120 kn • Wind direction resolution : 3 degrees BATOS II : CV3F Ultrasonic Wind Sensor (LCJ Capteurs) New generation wind speed and wind direction measurement device • Resolution: 0.1 kn • Useful range: 0.5 to 99.5 kn • Wind direction resolution : 0.1 degree • Temperature range : 0 to 40°C Screen Miniature marine SOCRIMA Naturally ventilated multi-plate screen providing a good protection of temperature and humidity sensor Enclosure : 20 cm (D) x 50 cm (H) To be installed on the deck Software Checks the measurement to ensure data quality Generates normalized weather messages (code 41) every 1, 3 or 6 hours Sends on automatically the messages via satellite Data storage (hourly, during 6 months) Sensor data display in real-time and help for human observation capture Communication Thrane & Thrane Inmarsat Mini C Thrane & Thrane TT-3026M comprising transceiver, omni-directional antenna and GPS receiver in one single unit Current Network at Météo France Current network at Météo France 30 BATOS set up on VOS (Volontary Observing Ship) in 2004 Increasing of the number of observations Robustness of the system Quality of the data Current network at Météo France Number of French VOS between 2000 and 2004 90 80 81 76 69 70 63 60 61 Number of French VOS 50 40 Number of French VOS with BATOS 30 20 10 0 2000 2001 2002 2003 2004 Current network at Météo France Number of French VOS observations between 2000 and 2004 70000 65543 60000 50000 55663 43163 38640 40000 38819 36726 30317 Number of BATOS observations 30000 20000 20951 13128 15203 10000 0 2000 2001 2002 2003 Number of observations 2004 Future work Thermosalinometer for TRACKOB messages Data compression Transmission frequency adaptation The End Direction des Systèmes d’Observation Département de l’Observation au Sol Division OCEan – V. UNGER [email protected]