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Clip description Keywords
An introduction to the Amazon river
An introduction to the Amazon river

Duration: 01:06

An introduction to the Amazon river. Describes the huge floods which occur when the river bursts its banks and shows the great biodiversity of the region.

 
Cities on flood plains
Cities on flood plains

Duration: 04:24

Rivers that flow through cities can always pose a threat, but MEDC's can afford quite ingenious ways to deal with extraordinary conditions.

 
Flood defence - dyke construction on the River Waal
Flood defence - dyke construction on the River Waal

Duration: 04:09

The River Waal in the Netherlands used to flood regularly, which created fertile floodplains for farming. River defences were built to contain the river, but when these were breached the flooding problem became much more severe.

 
How the Grand Canyon formed
How the Grand Canyon formed

Duration: 05:48

The Grand Canyon, although millions of years old, is formed by short, sharp events called flash floods rather than prolonged gentle natural processes.

 
Hydroelectric dam construction in Ethiopia
Hydroelectric dam construction in Ethiopia

Duration: 01:15

A report about the construction site of the controversial Gilgel Gibe III hydroelectricity dam in Ethiopia.

 
Living with floods: Amazon
Living with floods: Amazon

Duration: 05:49

Flood season is a difficult time for the communities that live in the Amazon basin as food becomes very scarce. They spend the whole year preparing for the floods in order to survive.

 
River management - the Mississippi
River management - the Mississippi

Duration: 05:52

The Mississippi river is a major river found in the USA. In 1993 the river management techniques failed and large areas flooded.

 
River Tay - floods in 1993
River Tay - floods in 1993

Duration: 01:43

News footage of the River Tay flooding in Scotland in January 1993.

 
River Tay - lower course and estuary
River Tay - lower course and estuary

Duration: 02:49

A description of the landforms and land use in the lower course of the River Tay, Scotland.

 
River Tay - middle course
River Tay - middle course

Duration: 02:20

Describes the characteristics of the middle course of the River Tay, Scotland.

 
River Tay - upper course
River Tay - upper course

Duration: 02:15

An illustration of the upper course characteristics and landforms of the River Tay, Scotland.

 
River Tay – an overview
River Tay – an overview

Duration: 01:44

An overview of the River Tay and its course in Scotland, including aerial footage, location maps and graphics.

 
River terraces
River terraces

Duration: 00:27

An illustrated explanation of erosion and the formation of river terraces.

 
Rivers - erosion and hydraulic action
Rivers - erosion and hydraulic action

Duration: 00:23

An illustrated explanation of rivers - erosion and hydraulic action.

 
Rivers - meanders
Rivers - meanders

Duration: 01:46

An illustrated explanation of rivers - meanders.

 
Rivers - oxbow lakes
Rivers - oxbow lakes

Duration: 00:55

An illustrated explanation of the formation of cut-off meanders or oxbow lakes along a river.

 
Rivers - weathering, erosion and corrasion
Rivers - weathering, erosion and corrasion

Duration: 00:41

An illustrated explanation of rivers - weathering, erosion and corrasion.

 
The advantages and disadvantages of dams
The advantages and disadvantages of dams

Duration: 05:40

An explanation of the costs and benefits of the Katse Dam being contructed in Lesotho.

 
The hydrological cycle
The hydrological cycle

Duration: 01:10

An illustrated explanation of the hydrological cycle, introducing key terms.

 
The mighty Amazon river
The mighty Amazon river

Duration: 01:06

The Amazon river contains one fifth of all the world's river water and regularly floods as a result of heavy seasonal rains. The effects of this on vegetation and wildlife are covered.

 
The Rakaia river - a braided river valley
The Rakaia river - a braided river valley

Duration: 02:34

The Rakaia river in New Zealand flows on a raised bed in braided channels, resembling the mudflats normally associated with a river mouth.

 
The River Conwy - erosion and deposition
The River Conwy - erosion and deposition

Duration: 02:07

The River Conwy in North Wales flows through Snowdonia. Freeze-thaw weathering creates scree slopes and erosion and deposition transform the landscape.

 
The River Severn - lower course and estuary
The River Severn - lower course and estuary

Duration: 04:19

As the River Severn nears the sea, the floodplain is wide and there is little high ground to build on. The Severn ends in a wide estuary which has a high tidal range.

 
The River Severn - upper course
The River Severn - upper course

Duration: 04:28

A description of the River Severn along its upper course. The river transports a large load, which allows rapid erosion to take place - waterfalls and gorges have been formed in the upper course.

 
The source of the River Thames
The source of the River Thames

Duration: 06:45

An expert from the Environment Agency describes what to look for as the source of the River Thames.

 
The vanishing Mediterranean
The vanishing Mediterranean

Duration: 03:34

An explanation of how rivers erode the land looking at how, six million years ago, the continents of Europe and Africa moved together and cut off the Mediterranean Sea.

 
Waterfalls - geology and formation
Waterfalls - geology and formation

Duration: 04:06

A look at two waterfalls in different stages of development; High Force on the River Tees and an un-named smaller falls on a tributary of the Tees.

 
Waterfalls and gorges - erosion and deposition
Waterfalls and gorges - erosion and deposition

Duration: 05:19

A description of the formation of waterfalls and gorges and other erosional and depositional processes along the River Conwy in Wales.

 
Waterfalls, plunge pools and potholes
Waterfalls, plunge pools and potholes

Duration: 02:16

An illustrated explanation of waterfalls and how they are formed.

 
Watersheds and drainage basins
Watersheds and drainage basins

Duration: 02:00

Watersheds are the dividing lines of mountain ranges and the areas between them are called drainage basins. The River Conwy in Wales is used to illustrate key concepts.

 

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