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November 24, 2009
52°North Student Innovation Prize for Geo-informatics
Developing a GUI for modeling the water quality of the“52°North” Dinkel river
TeamAmos Kabo-Bah
Zun Yin
Supervisors: Chris Mannaerts, Suhyb Salama, Rob Lemmens, Martin Schouwenburg
Interim Report
November 24, 2009
52°North Student Innovation Prize for Geo-informatics
Out
line
of P
rese
ntat
ion
1.0 Introduction-Background-Study Area-Rationale-Objectives
2.0 Methodology-Selection Criteria for Models-OTIS & FEQ Model-General Procedure3.0 Preliminary Results4.0 Work in Progress
November 24, 2009
52°North Student Innovation Prize for Geo-informatics
1.1 Background
1. Freshwater is an essential and finite resource; adequate quantity and quality are crucial for sustainable socio-economic development in every nation (Bartram and Ballance, 1996).
2. Planning and monitoring schemes are required to regularly check the quality and quantity of our water bodies in our cities, towns and villages (Loucks et al., 2005)3. Geo-information Science (GIS) and remote sensing techniques provide a unique opportunity to monitor and assess water quality in space and time
4. The availability of open source GIS tools and water quality models provide another opportunity to reduce the cost of water quality modelling of small rivers.
November 24, 2009
52°North Student Innovation Prize for Geo-informatics
1.2 Study AreaBasin area = 643sq.km
Total length = 93km
Elevation = 15m – 110m
Rainfall = 750- 800mm/yr
November 24, 2009
52°North Student Innovation Prize for Geo-informatics
1.3 Rationale
1. Water quality modelling for small rivers has been given little attention compared to large rivers (Marsili-Libelli and Giusti, 2008)
2. Limitations of existing models for water quality modelling
3. Existing Capabilities of ILWIS Open
November 24, 2009
52°North Student Innovation Prize for Geo-informatics
1.5 ObjectivesTo develop a GUI for handling water quality modelling in ILWIS Open for the Dinkel River
b. To identify an appropriate hydro-transport and water quality
model for study area
c. To couple these models together and integrate this finished
model in ILWIS using a GUI
d. To perform calibration and validation of this model
e. To document a user’s guide manual for the GUI for water quality
modelling
November 24, 2009
52°North Student Innovation Prize for Geo-informatics
2.0 Methodology2.1 Selection Criteria for Models
FEQ
1. Must be open source models2. Useful for practical applications
–discussion with Regge & Dinkel Water board
November 24, 2009
52°North Student Innovation Prize for Geo-informatics
2.2 OTIS Model
Advection
Dispersion
Transient storage
Sorption
Decay
Phys
ical
& C
hem
ical
Pro
cess
es
Main Equations
1
2
Transient Storage Mechanisms
a
(Runkel and Broshears, 1991)
b
Lateral flows
November 24, 2009
52°North Student Innovation Prize for Geo-informatics
2.2 FEQ Model
Main Equation
The Full EQuations (FEQ) model is a computer program forsolution of the full, dynamic equations of motion for one-dimensional unsteady flow in open channels and through controlstructures. (Gordon, 1997)
The two fundamental equation for unsteady flow simulation are
•Momentum Equation
•Continuity Equation qxQ
tA
=∂∂
+∂∂
)( 0
2
fSSgAxA
QxygA
tQ
−=∂
∂+
∂∂
+∂∂
November 24, 2009
52°North Student Innovation Prize for Geo-informatics
2.3 General Procedure
November 24, 2009
52°North Student Innovation Prize for Geo-informatics
2.3 General Procedure
Hydro preprocessing
Network splitting
November 24, 2009
52°North Student Innovation Prize for Geo-informatics
3.0 Preliminary Results
November 24, 2009
52°North Student Innovation Prize for Geo-informatics
Work in ProgressFieldwork
November 24, 2009
52°North Student Innovation Prize for Geo-informatics
Work in Progress
1.Integration of GUI into ILWIS2.Documentation
Time Frame
Completion of work in March 2010
November 24, 2009
52°North Student Innovation Prize for Geo-informatics
Thank YouComments, Suggestions & Questions??
