Flashcards in General Rivers Deck (70)
What is the Hidrovia Project?
Scheme to allow shipping along the Parana river, would be 3,442km
Why was the Hidovia stopped in 1997?
Economic benefit was less than the environmental loss
Why did the dissolution of the Hidrovia lead to more problems?
Tyranny of small decisions
Many small scale projects lack higher level scrutiny and management
Where is the Rio Parana?
South America, Argentina, Uruguay, Brazil, Paraguay and Bolivia
What is the discharge of the Rio Parana?
What habitat lines the Rio Parana?
What natural climate event changes flow in the Parana?
What poisonous materiel polluted the Brahmaputra?
Which high sediment river joins the Parana?
What is the largest river in Bangladesh?
What is the Jacyreta Dam?
A late dam in the Parana, cost $11Billion built in 1998
What do man made river features do to rivers?
Divert or interrupt flow, reduce link between river and surrounding area
What do small pools at the side of the Parana act as?
Nursery grounds for fish
What does a -0.25 m reduction is average river hight do to the surrounding area if the Parana?
Reduces wetlands by 14%
Why is the worlds largest wetland?
The Pantanal, in the Parana catchment
How much money does a flood cause Bangladesh?
How much erosion can take place on the Brahmaputra each year?
What years did Bangladesh floods exceed 35% of the country?
1988,1998,2004 and 2007
How much more sediment is taken away from Brahmaputra than is replaced?
What is the Brahmaputra Right Embankment?
Large engineering project designed to control one side of the Brahmaputra
Where are reventments used?
Places of importance, e.g Bahadurabad and Ghutail
Where is an example of a permeable groin?
After the Amazon what is the largest river basin in South America?
What is the mouth of the Parana called?
Rio De La Plata
What type of river is the Parana?
Why did the Parana river move north west?
Moving of tectonic activity pushing the plate up and moving the river
Why is the Parana stuck at its current location?
Its pinned up against a fault
Why is the Parana wetland important?
Centre for high biodoversity
Why does the Rio Bermejo have so much sediment?
Full of wind blown sediment