GITEWS German Involvement for a Tsunami Early Warning System Tide Gauges

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GITEWSGerman Involvement for a Tsunami Early
Warning SystemTide Gauges
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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
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Concept for a Tsunami Early Warning System
strong motion GPS sensors
strong motion GPS sensors
seismic
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Meteorological Instruments
Solar Panels
Acustic Modem
Ocean Bottom- Seismometer
Pressure Sensor
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German Contribution

• Around 20 CGPS_at_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)

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GPS
Radar Gauge
GPS Receiver Computer INTERNET/Phone Power Supply
Pressure Sensor 1
Notes Sporadic leveling between ARP and Pressure
Sensor 1 (MSL) Power supply either 230V with
Backup-solar-power or solar power only
Pressure Sensor 2
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GPS
Radar Gauge
GPS Receiver Computer INTERNET/Phone Power Supply
gt 500 m
Pressure Gauge
Notes Regular (once per year) 1st order leveling
Power supply either 230V with
Backup-solar-power or solar power only
Pressure Gauge
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Design for Tide Gauge Stations within the Tsunami
Warning System
Seismo
Meteo
GPS
Solar

(optional)
PC104 Linux
Data Logger
HF/WLAN
RS232
Sat-Comm
Solar
GSM
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BAKOSURTANALProposal for new tide gauges
Up to 10 GPS-equipped tide gauges
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Installation September 2006
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GITEWS cGPS_at_TG Sadeng, Java

• Tidal house building
• Radar Gauge
• Pressure Gauge and Floating Tide Gauge
• GPS
• Pole staff
• To be added GTS, VSAT

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Float and Pressure Gauge
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Solar Power Array
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