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Satellite Drifter Technology Dr. Sergey Motyzhev. Entity of the Drifter Technology. Oceanography Sea currents Heat transfer Ecohydrocontrol Water exchange Modeling. Hydrometeorology Weather prognosis Climate variability Maritime safety Fishing Applied goals. Data applications
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Entity of the Drifter Technology Oceanography Sea currents Heat transfer Ecohydrocontrol Water exchange Modeling Hydrometeorology Weather prognosis Climate variability Maritime safety Fishing Applied goals Data applications International oceanographic scientific programs Weather forecasting Climate variability Black Sea Buoy Program
Components of the Global Observational System 2002 2010 Sea Surface Temperature, Sea Surface Height, Surface Vector Wind, and Ocean Color from Space Tide Gauge Network 45 % complete 3˚x3˚ Argo Profiling Float Array 25% complete 5˚x5˚ Surface Drifting Buoy Array 35 % complete Moored Buoy Existing Planned Ocean Reference Station Existing Planned High Resolution XBT and Flux Line Existing Planned Frequently Repeated XBT Line Existing Planned Carbon Inventory & Deep Ocean Line Global Survey @ 10 years
WOCE SVP-B Drifting buoy Revision 2 – May 2005 Surface float Polyurethane carrots Tether • Main differences between this and past kind of buoys • 31-34 cm surface float • Smaller of drogue diameter and height Drogue
Creation of drifter networks Areas of interests of Action Groups
Project E-SURFMAR
Black Sea Buoy Program 82 drifters were deployed from 1999 to 2007
Black Sea Buoy Program Ship deployments of drifters in the Black Sea Scientific boat Akademik Yacht "Petr Veliky" Commercial boat “Sevastopol-1” A drifter after deployment
Black Sea Buoy Program Goals Oceanography Hydro meteorology Calibration and validation of the remote sensing observations 1. Circulation 2. Heat transfer 3. Pollutions 4. Water exchange 5. Modeling 1. Weather forecasting 2. Maritime safety 3. Climate variability 4. Applied problems
Main results of the Black Sea drifter study Investigation of mesoscale processes
Main results of the Black Sea drifter study Sevastopol anticyclone
Main results of the Black Sea drifter study Batumi vorticity Батумский вихрь
Main results of the Black Sea drifter study Increasing of space-time resolution of measurements
0м 10м 12м 15м 20м 25м 30м 35м 40м 45м 50м 55м 60м 65м 70м 75м 80м 15м 35м 60м 80м T e m p e r a t u r e s e n s o r s D e p t h s e n s o r s Evaluation of SVP-BTC drifter with 80-m temperature chain • 80-m SVP-BTC in comparison with 60-m SVP-BTC • 16 temperature sensors • Depth sensor at the end of chain • 3 additional depth sensors at 15, 35, 60m
SVP-BTC drifter with a thermistor chain Temperature sensors Calibrated Temperature Range: 0 to 40 С Sensors: DS18B20 (Dallas Semiconductor) Accuracy: +/-0,2 С Sensitivity: 0,04 С Measurement Reading Time: 20 s (for 10 sensors) Number of sensors: 10 Time Constant: 100 s (in stirred water) Levels: 12,5; 17,0; 22,0; 27,0; 32,0; 37.0; 42,0; 47,0; 52,0; 57,0 m Depth sensor Calibrated Pressure Range: 0 to 1,0 MPa Sensor: D0,6 (Orlex, Russia) Accuracy (depth measuring): +/-0,5 m Sensitivity (depth measuring): 0,1 m Measurement Reading Time: 3 s
SVP-BTC drifter with thermistor chain Trajectories of buoys(23.08.04 – 14.02.05) Goals of 2004-2005 experiment in the Black Sea Testing of new drifter and validation of remote sensing data.
SVP-BTC drifter with thermistor chain Graphical fragment from the drifter's sensors (SVP-BTC ID 49169)
SVP-BTC60 №49169 SVP-BTC60 №34860 SVP-BTC drifter with thermistor chain Tracks and data sets during cooling and warming of water inside active layer SVP-BTC60 №№49169, 34860
SVP-BTC drifter with thermistor chain Investigation of the Cold Intermediate Layer in the Black Sea by means of drifter with temperature chain and GPS receiver Cold intermediate layer
Evaluation of SVP-BTC drifter with 80-m temperature chain The results of temperature measurements with 80-m SVP-BTC drifter Mixed layer Cold intermediate layer Vertical profile
Participation in the International drifter activity Study of the tropical storm cycles by means of "Smart Buoys"
The issue of “Smart Buoy” idea Transformation of buoy for not only data collection and transfer to user, but also data analysis by its own processing possibilities to change the buoy status or goal of application
SVP-BT drifter (Storm Buoy)-Second generation, 2004 Goal: Investigation of the heat processes in the active layer Tz sensor at the end of tether (12.5 m)
SVP-BT (Typhoon ) drifter Schedule deployment of buoys 9-10 July 2003 40432 40432 40434 40429 40430 40433
SVP-BT drifter (Storm Buoy)-Second generation, 2004 Registration of the hurricane Frances in August-September 2004
SVP-BT drifter (Storm Buoy)-Second generation, 2004 Registration of the hurricanes Katrina and Rita (August-September 2005) Advantage High reliability of the AP channel in storm conditions
Iridium Pilot Project (2006-2008) Global coverage Two-link communication Real-time communication Hourly data at round hours Low cost of traffic
Iridium Pilot Project (2006-2008) Coordination with Meteo-France SVP-B mini Iridium+GPS