hydroasia face-to-face meeting opening presentation
TRANSCRIPT
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2010 TEAM PURPLEHydroAsia face-to-face meeting
Opening presentation
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2010 team Purple2010 team Purple
Team presentationPurple team members
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2010 team Purple2010 team Purple
From university of Nice Sophia-Antipolis
Major: Hydrology, hydraulics
Hobby: Football, music
Contact : [email protected]
Team presentation
Sebastien BARRIERE
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2010 team Purple2010 team Purple
From university of Nice Sophia-Antipolis
Major: Hydrology, hydraulics
Hobby: sport, travel
Contact : [email protected]
Team presentation
Sebastien LYONNET
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2010 team Purple2010 team Purple
From Kyoto University
Major: urban hydrology, river water and ground water analysis.
Hobby: Baseball, travel, archery
Contact: [email protected]
Team presentation
Hiroyuki TORII
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2010 team Purple2010 team Purple
From Chuo University
Major: Civil engineering
Hobby: tennis, table tennis, travel
Contact: [email protected]
Team presentation
QIAN CHAOCHAO
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2010 team Purple2010 team Purple
From University of Incheon
Major: Hydrology, hydraulics
Hobby: Basketball
Contact: [email protected]
Team presentation
KIM SEJIN
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2010 team Purple2010 team Purple
Ahn tuan
From Beijing University of Technology
Major: civil engineering
Hobby: music
Contact: [email protected]
Team presentation
WENG YAO-YAO
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2010 team Purple2010 team Purple
Ahn tuan
From National University of Singapore
Major: civil engineering
Hobby: Travel, music
Contact: [email protected]
Team presentation
DAO AHN TUAN
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2010 team Purple2010 team Purple
From Chuo University
Major: Civil engineering
Hobby: tennis, table tennis, travel
Contact: [email protected]
Team presentation
QIAN CHAOCHAO
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2010 team Purple2010 team Purple
Ahn tuan
From University of Incheon
Major: Hydrology, hydraulics
Hobby: Baseball, football
Contact: [email protected]
Team presentation
JANG DONG WOO
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2010 team Purple2010 team Purple
Workplan
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2010 team Purple2010 team Purple
Location of the study area
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2010 team Purple2010 team Purple
ArcGIS: catchment model
Triangular Irregular Network
•Contour•Manholes
Raster
Building and road layers
Digital Elevation Model
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2010 team Purple2010 team Purple
DATA-MANHOLE
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2010 team Purple2010 team Purple
DATA-COUNTOUR
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2010 team Purple2010 team Purple
TIN CREATION
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2010 team Purple2010 team Purple
DEM
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2010 team Purple2010 team Purple
Real Precipitation Treatment (1) Ord
erDate [day, month, year]
Precipitation
[mm/event]
1 15th July 2006 ~ 19th July 2006 291.5
2 25th July 2006 ~ 30th July 2006 241.5
3 11th July 2006 ~ 13th July 2006 158
4 14th July 2004 ~ 17th July 2004 150.5
5 27th July 2005 ~ 28th July 2005 127.7
We organized precipitation data ( Incheon; 2004 ~ 2007) and summarized rainfall events.
We picked up the heaviest amount rainfall event and the highest rainfall intensity event.
Hydrology Study(1)
Order
Date [day, month, year]
Max Intensity
[mm/event]
1 27th July 2005 ~ 28th July 2005 47.5
2 25th July 2006 ~ 30th July 2006 37.5
3 11th July 2006 ~ 13th July 2006 34.6
4 12th Sep 2005 ~ 13th Sep 2005 32.5
5 26th June 2005 ~ 27th June 2005 30.5
Table1 : Top5 events of the biggest amount per 1 event.
Table2 : Top5 events of the highest rainfall intensity.
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2010 team Purple2010 team Purple
We made both the heaviest rainfall event and the highest rainfall intensity event hyetographs.
22(2
7th) 24
02(2
8th) 04 06 08 10 12 14 16 18
0.0 5.0
10.0 15.0 20.0 25.0 30.0 35.0 40.0 45.0 50.0
Hyetograph (27th~28th July 2005)
date[hour(day)]
pre
cip
itati
on
[mm
]
04(1
5th)
10 16 22
04(1
6th)
10 16 22
04(1
7th)
10 16 22
04(1
8th)
10 16 22
04(1
9th)
0.0
5.0
10.0
15.0
20.0
25.0
30.0
Hyetograph (15th ~ 19th July 2006)
date[hour(day)]
pre
cip
itati
on
[mm
]
Real Precipitation Treatment (2)
Hydrology Study(1)
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2010 team Purple2010 team Purple
1st step: Intensity‐Duration‐Frequency Estimates• Design flows established from: Rainfall intensities for storms of particular duration and return period.
Probability Rainfall Analysis
0 200 400 600 800 1000 12000
20
40
60
80
100
120
140
160
IDF curves
100 years
50 years
10 years
Duration (min)
Inte
nsi
ty (
mm
/h)
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2010 team Purple2010 team Purple
Probability Rainfall Analysis (2)
15 45 75 105
135
165
195
225
255
285
315
345
0
5
10
15
20
25
30
35
40
Hyetograph, 6h storm - 100 years return period
100 years50 years10 years
2nd step: Develop design hyetograph from IDF curve - We made a 6h storm -by using the alternative block method.
Input rainfall data into Mouse boundary conditions.
Hydrology Study(2)
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2010 team Purple2010 team Purple
DHI MIKEProcess Flowchart
MIKE ZERO
DEM
MIKE 21MIKE 21
Simulating the surface flow Simulating the sewer network flow
MOUSE
MIKE FLOOD
Coupling MOUSE with MIKE21
Results
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2010 team Purple2010 team Purple
DHI MIKE 21 Process Flowchart
DEM:Boundaries Conditions:
Simulation period
MIKE 21Simulating the surface flow
・ buildings・ roads・manholes・…
・ sea level・ pump operations・… Rainfall
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2010 team Purple2010 team Purple
MIKE MOUSE
Rainfall
data &
water level
MOUSE
Sewer Network
Boundaries
conditions
Simulation
Period
Simulation of the Sewer
Network flow
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2010 team Purple2010 team Purple
Project studyAnalysis of flood damage reduction by green area increase
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2010 team Purple2010 team Purple
Analysis of flood damage reduction by green area increase
Green areas allows: ◦ water drainage : runoff decrease
Depression shape: additional water storage during rainfall◦ Relieves sewer system discharge◦ Slows down the water flow, narrows flood peak
Increases well-being and quality of life of the city's inhabitants, environmental friendly
Project subject
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2010 team Purple2010 team Purple
Determine the location of these green areas◦ Nature of soil and landuse?◦ Size?◦ Dimensions?◦ Number?
Use of ArcGIS to determine potential locations
Run the calibrated model again with new catchment characteristics and subsequently choose best solution...
Targets, next steps
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2010 team Purple2010 team Purple
Thank you for your attention