LIFE02/ENV/P/000416
Geographical Information
System
&
Modelling
Presentation Overview
1. GIS and database
2. Modelling
i. MOHID modelling system
ii. Case study: Trancão basin
a) Progress
b) Future work
Geographical Information System

Field data:
 Storage
 Treatment
 Analysis
 Georeferenciation
 Web sharing
Project GIS allows to…
 Systematize
experimental data
 Share results on the Internet
 Search and query information
 Model results visualisation and
comparison with field data
http://www.mohid.com/GIS/ecoriver
MOHID Modelling System
LAND
(basins, aquifers)
River Network
Surface Water
(ocean, estuaries, reservoirs)
GUI
(Graphical User Interface)
GIS
(basin, bathymetry creator)
MOHID Applications
MOHID Applications
Trancão
MOHID Applications
Trancão
User Interface – MOHID GIS
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Generation of
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Delineation of Basins
Generation of Drainage
Network
Overlay of thematic maps
4D Visualization

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Curvilinear Grids
Digital Terrain Models
Bathymetries
3D (X, Y, Z)
Time (t)
Build using .NET
Languages, OpenGL,
Open GIS and HDF
Digital
Terrain
Creator
Basin
Delineator
Convert
To HDF 5
User Interface – MOHID GIS
Ex: Generating an Input matrix based on Land Use
Transport of a Generic
Conservative Property

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No infiltration
Constant precipitation = 1 mm/day
Initial concentration = 1 kg/m3
Code Ready for
Sediment
and Toxicity
simulations!
Couple with
Module Water
Quality
Coding
Toxicity Sinks &
Sources
Ongoing Developments Integration
Coupling hydrodynamic models and
biogeochemical models (0D) approach
R esp iration &
E xcretion
Phytoplankton
A m m o n ia
Light
Zoo
Zooplankton
P h y to
M in eralizatio n
N itrification
DO Nnr
Nutrients
N itrite
N itrification
R esp iration
& E xcretion
D O N re
Organic
H igher
mattertrop
hic
L evels
D ecom p osition
N itra te
Bacteria P O N
D esn itrific.
Temperature
R esp iration
& M oratlity
Ongoing Developments –
Coupling Water Quality Models
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Pelagic water quality/ecological module based on
EPA model WASP
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15 compartments: phytoplankton, zooplankton,
nitrate, nitrite, ammonia, inorg. phosphorus, PON,
DON labile, DON refractory, POP, DOP labile,
DOP refractory, oxygen, bacteria, ciliates
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Several robust applications in estuaries, coastal
zones and reservoirs
Ongoing Developments –
Coupling Water Quality Models
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Recently adapted pelagic and benthic module from
CEQUALW2 (3.1) (http://www.cee.pdx.edu/w2/)
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Variable number of compartments: algae groups,
epiphyton/periphyton groups, nitrate, ammonia, inorg.
phosphorus, DOM labile, DOM refractory, POM labile,
POM refractory, particulate silica, dissolved silica,
inorg. carbon, pH, oxygen, HCO3, CO3
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Two decades of applications in reservoirs, lakes and
estuarine systems
Ongoing Developments –
Coupling Water Quality Models
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WaterQuality

Pelagic water quality module based on EPA model WASP
CEQUALW2
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Adapted pelagic and benthic module from CEQUALW2 (3.1)
Life

Pelagic multi-parameter ecological model with microbial loop
and variable stoichiometry
SedimentQuality
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Carbon-Nitrogen unsaturated biogeochemical cycle model with
microbial loop and variable stoichiometry based on
RZWQM/OMNI
Conclusions/Future Work
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Database and GIS are up to
date but needs
improvements
MOHID GIS constructs input
data and allows
visualization of results
MOHID Land solves
hydrodynamics and a
“generic” property transport
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Future Work
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Finish Development of
MOHID Land
Couple MOHID Water
and MOHID Land using
MPI
Model Calibration with
project results
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Geographical Information System & Modelling