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GITEWS German Involvement for a Tsunami Early Warning System Tide Gauges.

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Presentation on theme: "GITEWS German Involvement for a Tsunami Early Warning System Tide Gauges."— Presentation transcript:

1 GITEWS German Involvement for a Tsunami Early Warning System Tide Gauges

2 Components of a Tsunami Early Warning System (1) Real-Time Earthquake Monitoring Seismology: Location and magnitude in a few minutes Deformationmeasurements by GPS (2) Real-Time Sea-Level Monitoring GPS-Buoys with ocean-bottom pressure sensor GPS equipped Tide Gauges (3) Tsunami Simulation (4) Installation of National/Regional Data- and Early-Warning Centers (5) Capacity Building

3 Concept for a Tsunami Early Warning System + strong motion + GPS sensors + seismic + strong motion + GPS sensors

4 Preliminary GEOFON/BMG Station Gunungsitoli (Nias)

5 Tsunami-Buoy GPS-Antenna Windgenerator Communication Meteorological Instruments Acustic Modem Ocean Bottom- Seismometer Pressure Sensor Ocean-Bottom-Unit Tsunami Buoy-OBU System Solar Panels

6 German Contribution Around 20 CGPS@TG Radar Gauge + 2 others (pressure / float) Additionally High Rate GPS, VSAT, Strong Motion „Joint Declaration“ with Indonesia Request by IOC for 5 additional TGs Currently, focus to Indonesia (10 tide gauges)

7 GPS Receiver Computer INTERNET/Phone Power Supply Notes:Sporadic leveling between ARP and Pressure Sensor 1 (MSL) Power supply either 230V with Backup-solar-power or solar power only Radar Gauge Pressure Sensor 1 Pressure Sensor 2 GPS MSL

8 Radar Gauge Pressure Gauge GPS GPS Receiver Computer INTERNET/Phone Power Supply Notes:Regular (once per year) 1st order leveling Power supply either 230V with Backup-solar-power or solar power only MSL > 500 m

9 PC104 Linux Sat-Comm Data Logger RS232 HF/WLAN Solar Pressure 1 Pressure 2 Radar 1 (optional) ~~~~ Seismo Design for Tide Gauge Stations within the Tsunami Warning System Solar Meteo GPS GSM

10 BAKOSURTANAL Proposal for new tide gauges Up to 10 GPS-equipped tide gauges

11 Installation September 2006

12 GITEWS: cGPS@TG Sadeng, Java Tidal house building: Radar Gauge Pressure Gauge and Floating Tide Gauge GPS Pole staff To be added: GTS, VSAT

13 Float and Pressure Gauge

14 Solar Power Array

15 GITEWS: cGPS@TG Telukdalam, Nias Tidal house building: Radar Gauge 2 Pressure Gauges Pole staff To be added: GTS GPS marker Leveling markers Pole staff

16 GITEWS: cGPS@TG Telukdalam, Nias GPS building: Computer GPS Receiver Communication equipment (PASTI) To be added VSAT GPS antenna Leveling marker (one out of three at land)

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