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RIVER PROCESSES AND PRESSURES
- FLOODING
- BANGLADESH
- 8th July 2004- September
- multiple cyclones and the Himalayas melting
- 800,000 ha flooded
- 8th July 2004- September
- BOSCASTLE
- 18th august 2004
- 600mm of rain in 2 hours
- £4.6 million worth of repairs
- hurricane Alex
- 18th august 2004
- STORM HYDROGRAPH
- lag time
- rising limb / falling limb
- peak rain fall / peak discharge
- lag time
- discharge
- amount or type of rainfall,temprature
- rock type permeable/inprmeable
- previous weather conditions
- amount or type of rainfall,temprature
- causes
- physical-prolonged rain
- deforestation
- physical-prolonged rain
- BANGLADESH
- DAMS AND RESOVIORS
- Kielder water Northumberland
- £167 million to build
- took 7 years to build
- advantages
- supplies water to NW england
- brings tourisum to the area
- looks good
- £6 million a year
- supplies water to NW england
- disadvantages
- 7 familes and farming communities were rehomed
- its never been less than 90% full sop some say its useless
- 1.5 million trees chopped down
- flooded a previously existing valley
- forestry commission employees lost jobs
- 7 familes and farming communities were rehomed
- its sustainably managed
- each year the forestry coummision plant 3.5 million trees to replaced the cut down ones
- each year the forestry coummision plant 3.5 million trees to replaced the cut down ones
- opened in 1982
- dam
- has an obsorbortory
- £167 million to build
- Kielder water Northumberland
- landforms
- WHAT THE HELLS AN OX BOW LAKE
- waterfall
- gorges
- valleys
- WHAT THE HELLS AN OX BOW LAKE
- proceses
- erosion
- solution
- attrition
- hydrochloric action
- abrasion
- solution
- deposition
- erosion
- river valleys
- long profile
- upper
- lower
- middle
- upper
- cross section
- long profile
- managing rivers
- ENGENERING
- HARD
- THREE GORGES DAM
- IN CHINA $22.6 BILLION TO BULID AND IS IN CHINA
- IN CHINA $22.6 BILLION TO BULID AND IS IN CHINA
- leves and channel straightening
- THREE GORGES DAM
- SOFT
- forestry programs
- flood warning scheme
- do nothing
- forestry programs
- HARD
- ENGENERING
- river tees
- starts off in a mash where 120ml of water gets stored up
- middle course wide and deep
- lower course is industrial
- just south of Newcastle and east of Middlesbrough
- starts off in a mash where 120ml of water gets stored up
Anexos de mídia
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