DYNAMIC DOWNSCALING FOR STUDYING CLIMATE CHANGE IMPACTS

ON RIVER CATCHMENT HYDROLOGY

http:// www.inweb.gr

by

Prof. J. Ganoulis, Coordinator

UNESCO Chair/INWEBInternational Network of Water/Environment Centres for the Balkans

Aristotle University of Thessaloniki, Greece

DOWNSCALING: GCM(200-500 Km)

LCM(1-5 Km)HYDROLOGICAL (100-500m)

HYDROLOGICAL DOWNSCALING

?

The Mesta/Nestos River basin

. . . a bilateral agreement

HYDROLOGICAL MODELLING:THE GRID

HYDROLOGICAL MODELCALIBRATION

HUGE INCREASE OF CO2

(A1FI,A2)

IPCCPSAR (IS92a)

OPTIMISTICNEW TECHNOLOGIES)

(B1,B2)

A1BREALISTIC REDUCTION

OF CO2

CURRENT SITUATION

A1B,REALISTIC

A1BREALISTIC

B1OPTIMISTIC

PRESENT CLIMATE

July 09

CONCLUSIONS

• CLIMATE CHANGE AND ENERGY PRODUCTION IN

TRANSBOUNDARY RIVERS:

A VERY CHALLENGING ISSUE

• IMPORTANCE OF SOCIO-ECONOMICS AND HYDRO-

POLITICS (example: the “HELP” Mesta/Nestos Case)

Ευχαριστώ !

Thank you!