Presentation by Yao-Min (Frank) Fang during the Sensor Web System and Visualization paper session of the Sensor Web Enablement workshop (held during the 2011 Cybera Summit).
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Sensor web enablement for debris flow monitoring system in taiwan
1. Sensor Web Enablement for
Debris Flow Monitoring System
in Taiwan
Yao-Min (Frank) Fang
Geographic Information Systems
Research Center
Feng Chia University
Taiwan
OGC Compliance
Testing Center www.gis.tw
5. Sensors in Debris Flow Monitoring
Station
Geophone Meteorological
sensors
Solar irradiation sensor
Water Level Meter CCD Camera
Temperature and Atmospheric
humidity sensor pressure sensor
Soil water Wire Sensor Wind speeds and
content sensor directions sensor
7. Current Debris Flow Monitoring System
Real –time data is transmitted
to ERC at SWCB by advanced
communication technology,
3.5G
such as satellite, 3.5G, and
Internet.
Cell phones
Rain Gauge Geophone
Mobile Station
Emergency Response Center Online Notice
Meteorological Wire Sensor
Instrument
CCD Water Content
Radar Water On-Site Station
Level Gauge Power Supply Risk Mgmt.
12. Estimating of debris flow velocity
50m
50m/3sec=17m/s
10 seconds
173m/10sec=17m/s
The comparison of downstream and midstream Underground
Sound analysis by Wavelet Transform at Shen-Mu station
(8/8 4:36~4:42)
17. Compound Hazards occurred
simultaneously:
Compound hazards occurred 甲仙鄉小林村災害
at Xiao-lin Village, Jia-xien, (複合型災害)
Kaoshiung:
Flooding Pre-typhoon
Shallow landslide 2008/11
Debris flow
Deep landslide
Barrier dam Post-Morakot
Dam bursting 2009/8
18. Basin-Wide Monitoring
Network Transmitting
to ERC
Upper Stream
Portable Units
Midstream
Mobile Station
On call for
hazard alert and
response
Long-term
Monitoring On-Site Station
Stream
Down
Hazard Alert & Response Time
19. Basin-Wide Monitoring Network
PointLinePlane: extended to
upper stream and the source of
debris, considering a whole
watershed.
Combining on-site, mobile station,
UAV
and portable units.
Portable Unit
Integrating data from different
agencies.
Mobile Station
地聲
On-Site
日照輻射計
Station CCD
自動溫濕度
水位計
計 大氣壓力計
土壤含水量 鋼索 風力風向計
土石流觀測站先進量測儀器
21. Portable Unit R&D
Design Conception
OGC‐SWE
Standard
Easy to Basic monitoring
Transport functions
Flexible on Various
Instrument Communication Lightweight
Installation Options
Plug-and-Play Easy to Operate
Power Supply
21
22. Portable Unit R&D
Container and Carrier Design Aluminum-alloy carrier
Carry on shoulder or
Military-standard box drag by hand
Full-Function Model
Use cables and nails to 96cm
fix the box. CCD box 16cm 10kg
Power Units 23cm 20kg
56cm
Intermediate
Main
63cm 35kg
Box
Basic &
Model
50cm
35cm
22
23. Portable Unit R&D
Rain
Touch gauge
Screen
Control
interface Data
Geophone Processing
Soil Units
water
moisture Data
Power Transmitter
Units
23
24. Receiving
Storage
Rain gauge Soil moisture meter Receiver Computing
Communication SWCB
Geophone AD Converter Wild Box Module
SAS
CCD Camera
Portable NCDR
Unit
GetObservation() WRA
SOS
Portable Unit1
SPS MOTC
Portable Unit2
CWB
CWB SWCB WRA Portable Unit3
25. Sweet SWE Server
Sensor
Sweet SWE Sensor
Server
Sensor
Application
2011 Geoinformatics Interoperability Days
26. Sweet SWE Server
Sweet SWE Server
SOS
Management Task
OBSERVE
WS
SOS
SPS Service Storage
WNS DB
DB Server
(c) 2011 Open Geospatial Consortium
33. SWE implemented in our monitoring
information service platform
Monitoring information
service has integrated to
debris flow forecasting
system.
34. SWE implemented in monitoring information
service platform Monitoring information
service has integrated to
debris flow forecasting
http://monitor.swcb.gov.tw system.
User can click on sensor
location and inquire
observation data directly.
35. SWE implemented in monitoring information
service platform Monitoring information
service has integrated to
debris flow forecasting
http://monitor.swcb.gov.tw system.
User can click on sensor
location and inquire
observation data directly.
External AP can request
observed data published
in our service platform
Cite observed data
External AP
36. Conclusions
Use 3S technique and a complete monitoring and
management system to provide complex type of
hazards’ real-time data.
Integrate information and data from agencies by
OGC’s SWE standard.
The portable unit includes PAC, battery,
communication, CCD camera, geophone, handy rain
gauge, soil moisture sensor and Sweet Swe Server.
The portable unit had been approved a success on
monitoring landslide and providing SWE-standard
data to different agencies.