water climate kravcik tunisia mar2015 [režim … · 2015-03-30 · free surface 2. about 40...
TRANSCRIPT
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WATERand
CLIMATEMichal Michal Kravčík, Kravčík, Michal Michal Kravčík, Kravčík,
„„People and Water“People and Water“, NGO, Slovakia, NGO, Slovakia
People, Planet and Water People, Planet and Water Tunis, March, 25th 2015
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THE LARGE AND SMALL WATER CYCLESTHE LARGE AND SMALL WATER CYCLES
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Diagram of the long -term stable water cycle on land
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SOIL SEALING IN CITIESSOIL SEALING IN CITIES
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SPAIN – TARAGONA, 2008
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ImpactImpact ofof deforestationdeforestation, , agricultureagriculture and and urbanizationurbanization::
1.1. infiltration and infiltration and evaporation decrease evaporation decrease runoff increases runoff increases
2.2. about about 440 billion m3 of 0 billion m3 of Free surface 2.2. about about 440 billion m3 of 0 billion m3 of rainwater canalized from rainwater canalized from EuropeanEuropean urbanurban spacesspacesannuallyannually
3.3. globalyglobaly 700 billion m3 of 700 billion m3 of rainwater canalized from rainwater canalized from the continents annualthe continents annuallly y to to thethe seesee
Free surface
Paved surface
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The impact of glaciers melting (A) and the The impact of glaciers melting (A) and the decline in the reserves of water ondecline in the reserves of water on
the continents (B) on rising ocean levels (C)the continents (B) on rising ocean levels (C)
Direct relation of see level rise and underground water levels decrease -opportunity for reversibilityopportunity for reversibility
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GROWTH OF EXTREME WEATHER WITH DECLINE OF SHORT WATER CYCLE
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PRECIPITATION TRENDSPRECIPITATION TRENDS IN SLOVAKIAIN SLOVAKIA
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OLD PARADIGM OF OLD PARADIGM OF RAINWATER MANAGEMENT RAINWATER MANAGEMENT
IMPACT ON ENERGY IMPACT ON ENERGY IMPACT ON ENERGY IMPACT ON ENERGY SYSTEM PLANET EARTH SYSTEM PLANET EARTH
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DISTRIBUTION OF SOLAR ENERGYDISTRIBUTION OF SOLAR ENERGY
Dry land: Most solar energy is dissipated into sensible heat, Wet land: most solar energy is consumed in phase change
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PHOTO OF A CITY SQUARE PHOTO OF A CITY SQUARE -- INFRARED CAMERAINFRARED CAMERA
The cooling effect of evapotranspiration is much stronger in comparison with the effects of reflectance.
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LAND COVER DETERMINES LAND COVER DETERMINES TEMPERATURE DISTRIBUTIONTEMPERATURE DISTRIBUTION
(North Bohemia, East GermanyEast Germany/Saxony,
approx. 100 x 85 km)
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HOT CLIMATIC UMBRELLA OF A CITYHOT CLIMATIC UMBRELLA OF A CITY
Soil sealing resulting in the lack of evapotranspiration in urban areas is the main reason of “urban heat island” effects.
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IMPACTS ON WEATHER /CLIMATEIMPACTS ON WEATHER /CLIMATE
• Rising air flows push rain to colder areas• Frequency of droughts and floods increases
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PPRECIPITATION IN MOUNTARECIPITATION IN MOUNTAININS AND S AND LOWLANDS LOWLANDS –– DANUBE WATERSHEDDANUBE WATERSHED
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Central Europe 2012Central Europe 2012
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CYPRUS CASE CYPRUS CASE
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hot airfrom
China
hot a
irfr
omA
ustr
alia
Super Typhoon Haiyan
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SSUPER STORM SANDYUPER STORM SANDY
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RECOVERY RECOVERY
OF THE CLIMATEOF THE CLIMATEOF THE CLIMATEOF THE CLIMATE
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The destruction and renewal of The destruction and renewal of the small water cyclethe small water cycle
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m o r e c l o u d s m o r e c l o u d s
m o r e s o f t r a i n m o r e s o f t r a i n
NEW WATER DEAL
mmore ore groundwater groundwater rechargerecharge
m o r e a i r h u m i d i t y m o r e a i r h u m i d i t y
m o r e s o f t r a i n m o r e s o f t r a i n
m o r e m o r e ee vv aa pp oo rr aa tt ii oo n n ff rr oo mm ll aa nn dd ssmore vegetation and biodiversity more vegetation and biodiversity
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1995 1996 1997
Blue AlternativeBlue Alternative ((People and Water, 1995))
2009 2009
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WATER FORESTWATER FOREST, , High Tatras,High Tatras,
((People and Water, 2005)
WATER FORESTWATER FOREST, , High Tatras,High Tatras,
((People and Water, 2005)
20052005
2005
20082007
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RAINRAINWATER WATER HARVESTING HARVESTING IN URBAN ZONEIN URBAN ZONE
November, 28November, 28November, 28 ththth 200520052005
June,June,June, 666 ththth 200620062006
September, 16September, 16September, 16 ththth 200620062006
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RAINWATER HARVESTINGRAINWATER HARVESTING
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PRECIPITATION, RUNOFF, EVAPORATION COOLING RATE OF GREEN ROOF PLOTS
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WOTR INITIATIVE IN INDIAWOTR INITIATIVE IN INDIA
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TAMERA TAMERA INITIATIVE INITIATIVE (PORTUGAL(PORTUGAL)(PORTUGAL(PORTUGAL)
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RAINWATER HARVESTING ON SLOPES
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TUNISIA RAINWATER HARVESTINGTUNISIA RAINWATER HARVESTINGON AGROLANDS FROM YESTERDAYON AGROLANDS FROM YESTERDAY
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BIOCLIMATIC GARDENS FOR RAINWATER BIOCLIMATIC GARDENS FOR RAINWATER HARVESTING AND EVAPOTRANSPIRATIONHARVESTING AND EVAPOTRANSPIRATION
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Schools , public buildings , roads , parking placesSchools , public buildings , roads , parking places
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RainwaterRainwater harvestingharvesting fromfrom roofsroofsin in citiescities
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LLANDSCAPE ANDSCAPE RESTORATION RESTORATION RESTORATION RESTORATION
PROGRAM IN SLOVAKIA PROGRAM IN SLOVAKIA 20112011
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480 towns and communities involved in the program in 2011
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ŤŤAHANOVCEAHANOVCE
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Snežnica
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Pčoliné
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Hlohovec
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TurcovceTurcovce
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•• humanity accelerates humanity accelerates the runoff from land the runoff from land
•• more solar energy is more solar energy is transformed into transformed into sensible heatsensible heat
•• draining of a land can draining of a land can be reversed through be reversed through comprehensive comprehensive conservation of conservation of conservation of conservation of rainwater rainwater
•• renewal of small water renewal of small water cycle over land can cycle over land can temper extreme temper extreme weather events and weather events and ensure a growth in ensure a growth in water reserveswater reserves
••www.waterparadigm.orgwww.waterparadigm.org
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Old water paradigm Old water paradigm
•• protects surface protects surface water as the main water as the main
New water New water paradigmparadigm
•• protects protects source and reserve source and reserve of waterof water
groundwater and groundwater and soil water as the soil water as the main treasure of main treasure of waterwater
www.waterparadigm.orgwww.waterparadigm.org
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Old water paradigm Old water paradigm
•• rainwater is an rainwater is an inconvenience, inconvenience,
New water paradigmNew water paradigm
•• rainwater is an rainwater is an asset that needs to asset that needs to inconvenience, inconvenience,
needs to be quickly needs to be quickly removedremoved
asset that needs to asset that needs to be retained be retained (especially in (especially in soil/plants)soil/plants)
www.waterparadigm.orgwww.waterparadigm.org
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Old water paradigm Old water paradigm
•• soil sealing has soil sealing has minimal impact on minimal impact on
New water paradigmNew water paradigm
•• soil sealing has a soil sealing has a fundamental impact fundamental impact
the water cycle the water cycle on the water cycleon the water cycle
www.waterparadigm.orgwww.waterparadigm.org
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Old water paradigm Old water paradigm
•• soil sealing has soil sealing has
New water paradigmNew water paradigm
•• soil sealing may be soil sealing may be •• soil sealing has soil sealing has minimal influence on minimal influence on global warming global warming
•• soil sealing may be soil sealing may be important factor in important factor in global warmingglobal warming
www.waterparadigm.orgwww.waterparadigm.org
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RAINWATER HARVESTING RAINWATER HARVESTING ON MASSIVE SCALEON MASSIVE SCALE
1. enhances water sources2. anti-flood protection2. anti-flood protection3. anti-erosion protection4. moderates climate5. enhances biodiversity6. cheap, simple, effective
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THE NEW WATER DEALTHE NEW WATER DEAL
A program to achieve natural resources conservation, flood protection and mitigation of climate change by rainwater conservation in the landscape:conservation in the landscape:
1. creation of over 50 million jobs2. water-holding measures to collect 700
km3 rainwater a year3. duration ten years
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NGO People and Water NGO People and Water
www.ludiaavoda.skwww.ludiaavoda.sk
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NGO People and Water NGO People and Water
www.ludiaavoda.skwww.ludiaavoda.sk
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NGO People and Water NGO People and Water
www.ludiaavoda.skwww.ludiaavoda.sk
![Page 55: WATER CLIMATE KRAVCIK TUNISIA MAR2015 [Režim … · 2015-03-30 · Free surface 2. about 40 billion m3 of rainwater canalized from EuropeanEuropean urban urban spacesspaces ... mmore](https://reader034.vdocuments.us/reader034/viewer/2022042111/5e8c48dec43b03445d362785/html5/thumbnails/55.jpg)
NGO People and Water NGO People and Water
www.ludiaavoda.skwww.ludiaavoda.sk
![Page 56: WATER CLIMATE KRAVCIK TUNISIA MAR2015 [Režim … · 2015-03-30 · Free surface 2. about 40 billion m3 of rainwater canalized from EuropeanEuropean urban urban spacesspaces ... mmore](https://reader034.vdocuments.us/reader034/viewer/2022042111/5e8c48dec43b03445d362785/html5/thumbnails/56.jpg)
NGO People and Water NGO People and Water
www.ludiaavoda.skwww.ludiaavoda.sk
![Page 57: WATER CLIMATE KRAVCIK TUNISIA MAR2015 [Režim … · 2015-03-30 · Free surface 2. about 40 billion m3 of rainwater canalized from EuropeanEuropean urban urban spacesspaces ... mmore](https://reader034.vdocuments.us/reader034/viewer/2022042111/5e8c48dec43b03445d362785/html5/thumbnails/57.jpg)
NGO People and Water NGO People and Water
www.ludiaavoda.skwww.ludiaavoda.sk
![Page 58: WATER CLIMATE KRAVCIK TUNISIA MAR2015 [Režim … · 2015-03-30 · Free surface 2. about 40 billion m3 of rainwater canalized from EuropeanEuropean urban urban spacesspaces ... mmore](https://reader034.vdocuments.us/reader034/viewer/2022042111/5e8c48dec43b03445d362785/html5/thumbnails/58.jpg)
NGO People and Water NGO People and Water
www.ludiaavoda.skwww.ludiaavoda.sk
![Page 59: WATER CLIMATE KRAVCIK TUNISIA MAR2015 [Režim … · 2015-03-30 · Free surface 2. about 40 billion m3 of rainwater canalized from EuropeanEuropean urban urban spacesspaces ... mmore](https://reader034.vdocuments.us/reader034/viewer/2022042111/5e8c48dec43b03445d362785/html5/thumbnails/59.jpg)
NGO People and Water NGO People and Water
www.ludiaavoda.skwww.ludiaavoda.sk
![Page 60: WATER CLIMATE KRAVCIK TUNISIA MAR2015 [Režim … · 2015-03-30 · Free surface 2. about 40 billion m3 of rainwater canalized from EuropeanEuropean urban urban spacesspaces ... mmore](https://reader034.vdocuments.us/reader034/viewer/2022042111/5e8c48dec43b03445d362785/html5/thumbnails/60.jpg)
NGO People and Water NGO People and Water
www.ludiaavoda.skwww.ludiaavoda.sk
![Page 61: WATER CLIMATE KRAVCIK TUNISIA MAR2015 [Režim … · 2015-03-30 · Free surface 2. about 40 billion m3 of rainwater canalized from EuropeanEuropean urban urban spacesspaces ... mmore](https://reader034.vdocuments.us/reader034/viewer/2022042111/5e8c48dec43b03445d362785/html5/thumbnails/61.jpg)
Useful links: www.ourclimate.eu
www.watergy.dewww.enki.cz
www.waterparadigm.orgwww.ludiaavoda.sk
Thank YouThank Youvery much very much for Yourfor Your
AttentionAttention!!
WATER = LIFEWATER = LIFE
kravcikkravcik@@ludiaavoda.skludiaavoda.sk