Water Ecosystem Restoration for the Recovery of the Climate (Michal Kravčík, NGO People and Water,...
-
Upload
gilbert-collins -
Category
Documents
-
view
216 -
download
0
Transcript of Water Ecosystem Restoration for the Recovery of the Climate (Michal Kravčík, NGO People and Water,...
Water Ecosystem Restoration for the
Recovery of the Climate (Michal Kravčík,
NGO People and Water, Slovakia)
WATER FOR THE RECOVERY OF THE CLIMATE"
2th December 2010
BratislavaBratislava
The distribution of solar energy on land with and without water
The hot climatic umbrella of an urban space
The impact of the transformation of land on small water cycles
SOIL SEALING IN CITIES
• about 20 billion m3 of rainwater sluiced from municipalities of Europe annually
PAVEMENT IMPACT
Free surface
Paved surface
RUNOFF FROM URBANAND FOREST ENVIRONMENTS
Decrease of runoff is overlooked flood prevention measure
The destruction and renewal of the small water cycle
Rainwater harvesting from roofs in cities
Rainwater harvesting on slopes
m o r e c l o u d s m o r e c l o u d s
more groundwater rechargemore groundwater rechargemore groundwater rechargemore groundwater recharge
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 l l aa nn dd ss
more vegetation and biodiversity more vegetation and biodiversity
NEW WATER DEAL
THE NEW WATER DEALTHE NEW WATER DEAL
• creation of over 30.000 jobs
• water-holding measures to collect 250 mil. m3 rainwater a year
• duration ten years
• 0,008 EUR/m3, while current technologies require cca 0,3 EUR/m3
• costs about 1 billion EUR next 10 years
1995 1996
2009 2009
1997
B L U E A L T E R N A T I V E - alternative to Tichý Potok water dam
Water Forest Water Forest (July – September 2005(July – September 2005
2005
2006
20082007
Flood prevention, High Tatras,
Tatranska Lomnica
Rainwater harvesting in urban zone Rainwater harvesting in urban zone (Košice) (Košice)
November, 28November, 28thth 2005 2005
June,June, 6 6thth 20062006
September, 16September, 16thth 2006 2006
Hričov Water Ways, October 2008
The average runoff from a residential roofs is 70 m3 per year
(The contribution to floods from our houses).
That is enough water to fill
600 bathtubs
What we need? To stop rainwater runWhat we need? To stop rainwater run--ofoff!f!
GREEN Roofs
Rain GardenRain Gardenss
Examples of Rain Gardens from USAExamples of Rain Gardens from USA
Restoration of forest landscape in Austria, Restoration of forest landscape in Austria, Institute of Landscape Ecology, Wienna University Institute of Landscape Ecology, Wienna University
Rainwater harvesting from the roads
Rainwater harvesting
from Public parking places
RAINWATER HARVESTING AROUND HIGHWAYS
Expansion of deserts with the breakdown of small water cycle
Waterholding measures on the edge of critical areas
Decreasing areas of desert
Thank You very much for Your Attention. Thank You very much for Your Attention.