risks in future water use, energy development and environment in the western balkan region due to...
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![Page 1: Risks in future water use, energy development and environment in the western Balkan region due to climate change Lučka Kajfež Bogataj University of Ljubljana,](https://reader035.vdocument.in/reader035/viewer/2022062511/55152f09550346c77d8b57dd/html5/thumbnails/1.jpg)
Risks in future water use, energy development and environment in the western Balkan region due to climate
change
Lučka Kajfež Bogataj University of Ljubljana, Slovenia
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Temperatura zraka na Kredarici statistično značilno narašča
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CO2 CH4 N2O concentrations in the atmosphere are still rising…
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Summer temperature in Europe
Barriopedro et al., 2011
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EEA www.eea.europa.eu/data-and-maps/
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Main drought events in Europe, 2000–2009
+ 2012
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Recurrence of flood events in Europe
(EEA, 2011)
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ENVSEC, 2012
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ENVSEC, 2012
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3 classes of water problems in Balkan
• too little water
• too much water
• water pollution
Can (and will) be exacerbated by climate change
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Business class
Over the edge
Creative societies
Shared responsabilities
Markets first
Tribal society
Security first
Battlefield
Cybertopia
‘Clash of civilizations’
Barbarization
Prism
Just do it
Ecologically driven
Regional stewardship
Global sustainability
Local stewardship
Provincial enterprise
‘The end of history’
‘No Logo’
‘Our Common Future ‘
B2
A1 B1
A2
Hyper individualism
Changing courseNew global age
Have & have- nots
The hundred flowers
Sustainability first
Policy first
Great transitions
Turbulent neighbourhoods
Cultural pluralism
Voluntary simplicity
Market World
Transformed World
Fortress World
New Empires
Change without progress
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EEA, 2011
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ENVSEC, 2012
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Source: Knutti & Sedlacek (2012)
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Environmental State and Pressures
Source: OECD (2012), OECD Environmental Outlook to 2050, Baseline projection using IMAGE model suite
CO2 concentrations
3 - 6°C by 2100
450 ppm
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Europe: Geographic ChangesEurope: Geographic Changes
+10
-1
+50%
-50%
2080-20992080-2099 Minus Minus 1980-19991980-1999 (A1B)(A1B)
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Risks in key sectorsWater: decresing water availability, changes in precipitation, melting of glaciers, extreme weather events, increasing competition of demand
Agriculture: Decreasing agricultural production, economic decline, more unempoyment, food shortages, increasing competition of demand
Urbanisation: Increasing disaster risks, health risks, growing population dynamics, growing slums
Infrastructure, energy supply and transport: environmental change due to climate change increases running costs (damages, flooding etc) or reduces energy production (hydro)
WaterFood
EnergyInfrastructuretransport
Urban space
Land use
Governance
Climate change
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JRC DG Regio‘s 2020 „THE CLIMATE CHANGE CHALLENGE FOR EUROPEAN REGIONS“
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Adaptive capacity “the ability or potential of a system to respond successfully to climate variability and changes“ (IPCC 2007)
• Awareness• Technology and
infrastructure• Economic resources • Institutions
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Vulnerability to climate change “ is a function of the character, magnitude, and rate of climate variation to which a system is exposed, its sensitivity, and its adaptive capacity” (IPCC 2007).
• Countries which expect a high increase in impact seem to be less able to adapt•Climate change would trigger a deepening of the existing socio-economic imbalances between the core of Europe and its periphery.
Future runs counter to territorial cohesion ?
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Magnitude of dependence on hydropower Percent of total installed capacity dedicated to hydropower. Data: US Energy Administration, 2008
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Relative change of average (1961-90) total discharge volumes calculated with WaterGAP 2.1 for the
2020s
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Relative change of average (1961-90) total discharge volumes calculated with WaterGAP 2.1 for the
2070s
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Climate change effects on hydroelectric production potential
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Pumped storage hydropower
Reservoir hydropower
Run-of-river hydropower
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Framework of climate change effects on different characteristics of hydropower schemes
Discharge, temporal variability, and glacial melt do not apply to pure pumped storage, which is not connected to a river network. Only evaporation is applicable to reservoir surface area to volume ratio (SA:Vol).
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BALKAN areas: impacts of climate change
– Decrease of runoff (reduction of hydropower production)
– Increase of (catastrophic) drought periods
• Critical situation for run of river HPP production• Importance of the storage capacity will rise
(multipurpose use!)• Restrictions for the operation of thermal power
plants because of a lack of cooling water or the water temperature is to high
• High electricity demand because of air conditioning
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Impacts on the hydropower generationThe effects of the climate change scenarios on the water regime in Europe are:•very uncertain•locally different
►Still difficult to have clear strategies
In alpine and mountain areas (most scenarios show) •decrease of summer runoff, increase of winter runoff•decrease of the snowpack, glaciers• increase of extreme events (floods and droughts)
► Importance of the storage capacity will rise• Flood protection by storage HPP on a local scale• Positive influence on the run-off during drought periods• New rules regarding dam safety (new hydrological methods)• Sediment problems will increase (permafrost level in alpine areas)
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Conclusions
• Climate change is a serious issue for the whole electricity industry
• Hydropower is still the most important renewable energy source in Europe and the role of renewable energy sources will further increase
• Hydropower operators must have a strong focus on climate change and have to learn to deal with uncertainty
• At this point in time, the impacts are not sufficiently quantified in Balkan region and adaptation and mitigation strategies not in place
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• CO2 avoidance by Hydropower
• 1 GWh from Hydropower corresponds to approximately 220 tonns oil
• 1 GWh from Hydropower corresponds to approximately 330 tonns hard coal
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Conclusions
• South East Europe faces formidable climate change challenges.
• At this point in time, the impacts are not sufficiently quantified in SEE region and adaptation and mitigation strategies not in place.
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Proportion of severe water stress EU river basins likely to increase from 19% today to 35% by 2070.
Areas affected by droughts will increase.
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Special Report on Managing the Risks of Extreme Events and Disasters to Advance Climate Change Adaptation (IPCC , 2011)
• There is medium confidence that droughts will intensify in the 21st century in some seasons and areas, due to reduced precipitation and/or increased evapotranspiration.
• This applies to regions including southern Europe and the Mediterranean region, central Europe, central North America, Central America and Mexico, NE Brazil, and S Africa.
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The net change in territorial emissions (1990–2008) together with the change in the net emission transfer between each country and non-Annex B countries.
The red stars represent pledged emission reduction commitments in the Kyoto Protocol.
Europe (EU27 + Croatia, Iceland, Liechtenstein, Norway, Switzerland.Peters et al., 2011