Diapositive 1

1

• Contract 1 Twinning
• Review available EU experience in modelling
• Analysis of existing data in Latvia
• Definition of target output from the models
• Selection of the best suitable models
• Identification of needs for new models
• Development of concept for water modelling
  system in Latvia

2

• Contract 1 Twinning
• Review available EU experience in modelling
• Analysis of existing data in Latvia
• Definition of target output from the models
• Selection of the best suitable models
• Identification of needs for new models
• Development of concept for water modelling
  system in Latvia

3

• Contract 1 Twinning
• Review available EU experience in modelling
• Analysis of existing data in Latvia
• Definition of target output from the models
• Selection of the best suitable models
• Identification of needs for new models
• Development of concept for water modelling
  system in Latvia

4
Driving Forces
Pressure
State
Impact
Policy response

• Contract 1 Twinning
• Review available EU experience in modelling
• Analysis of existing data in Latvia
• Definition of target output from the models
• Selection of the best suitable models
• Identification of needs for new models
• Development of concept for water modelling
  system in Latvia

Jean-Paul Hettelingh
5

• Contract 1 Twinning
• Review available EU experience in modelling
• Analysis of existing data in Latvia
• Definition of target output from the models
• Selection of the best suitable models
• Identification of needs for new models
• Development of concept for water modelling
  system in Latvia

Johannes Grath
6
Driving Forces
Pressures
State
Impacts
Response
Agriculture
Nitrate
Land cover
Water quality
Phosphorus
Land use
Biodiversity
Pesticides
Critical load
Human health

• Contract 1 Twinning
• Review available EU experience in modelling
• Analysis of existing data in Latvia
• Definition of target output from the models
• Selection of the best suitable models
• Identification of needs for new models
• Development of concept for water modelling
  system in Latvia

7
LATVIJAS VIDES, GEOLOGIJAS UN METEOROLOGIJAS
AGENTURA
T. Kolcova and I. Mikelsone
8
Driving Forces
Pressures
State
Impacts
Response
Atmospheric deposit
Land cover
Water quality
Tourism
Phosphorus
Land use
Biodiversity
Air pollution
Critical load
Eutrophication
Nitrate
M-Hg

• Contract 1 Twinning
• Review available EU experience in modelling
• Analysis of existing data in Latvia
• Definition of target output from the models
• Selection of the best suitable models
• Identification of needs for new models
• Development of concept for water modelling
  system in Latvia

9
LATVIJAS VIDES, GEOLOGIJAS UN METEOROLOGIJAS
AGENTURA
T. Kolcova and I. Mikelsone
10
Hydrological regime
Air quality
Land use
Water quality

• Contract 1 Twinning
• Review available EU experience in modelling
• Analysis of existing data in Latvia
• Definition of target output from the models
• Selection of the best suitable models
• Identification of needs for new models
• Development of concept for water modelling
  system in Latvia

11
What is the problem to be adressed ?
What type of model(s) is/are required ?
What is the pertinent scale both in space and
time?
What kind of parameters are necessary?

• Contract 1 Twinning
• Review available EU experience in modelling
• Analysis of existing data in Latvia
• Definition of target output from the models
• Selection of the best suitable models
• Identification of needs for new models
• Development of concept for water modelling
  system in Latvia