2003/8/27 1 Technology for Hydrologic Data Acquisition and Monitoring Jongkook Lee, Ph.D DataPCS,...
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Transcript of 2003/8/27 1 Technology for Hydrologic Data Acquisition and Monitoring Jongkook Lee, Ph.D DataPCS,...
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Technology for Hydrologic
Data Acquisition and Monitoring
Jongkook Lee, Ph.D
DataPCS, Korea
2003. 8. 27
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Introduction
What is the technology for hydrologic data
acquisition and monitoring?
Motivation (1997)
☞ Seohae Grand bridge realtime scour monitoring
Goal
☞ Wireless realtime hydrologic monitoring technology
development for a researcher level
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Other interested areas
Introduction
☞ Realtime hydrologic watershed monitoring
☞ Realtime disaster prevention monitoring
☞ Realtime SOC monitoring and control
☞ Coastal / river / natural environment monitoring
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Feature I
What is the difference compared with the regular methods (phone to phone or dedicated wire connection) ?
☞ Wireless Internet
☞ Perfect glue service of PCS wireless network+
High speed wired internet
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Synchronized realtime data acquisition from multiple services
Feature II
☞ Old dedicated wireless telemetering (VHF)
Each node 1 sec took
250 nodes 250 secs took 4 mins 10 secs≒
☞ Wireless Internet telemetering (PCS)
Each node 5 10 secs took∼
250 nodes 5 10 secs took∼
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Feature III
Nearly realtime services possible
Server size☞ Small enough fit in a desk top
Hassle-free (network service : commercial)☞ User only care
Remote data logging systems
A server
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Feature IV
It goes everywhere you want to be.
It moves anytime you want to do.
It glues anydevice you want to keep.
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Feature V
Remote sensing ground proof for calibration
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Demonstration I
Hydrologic realtime monitoring
☞ Realtime rainfall measurement
☞ Realtime water level measurement
☞ Realtime water quality measurement
☞ Realtime AWS
☞ Realtime evaporation, soil moisture measurement
☞ Realtime wireless watershed webcam
☞ Wireless Internet + PDA + WEB
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Demonstration II
A compact wireless internet realtime datalogger
DP100
☞ DP100 + Water level sensor (Frontier project)
Water level sensor
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Demonstration III
Realtime coastal observation network
☞ From Ssangjungcho light tower deck at Ullungdo
☞ More than 30 realtime observational parameters
Observation station
Wave and Tide measurement
AWS measurement
Coastal water environmental measurement
Lantern operation measurement
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감사합니다 .
Thank you.
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Introduction
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Introduction
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Introduction
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☞Realtime experimental watershed monitoring
(KICT, Korea Institute of Construction Technology, 2002 Present)∼
Realtime monitoring through PDA
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