Fieldwork Opportunities: River environments

Geo

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1 1 1 1

Measuring channel characteristics

Source 1 Method of measuring channel and water width and depth

2 2 2 2 2

Geo

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Source 3 Water quality tests at various locations along the river

Site A B C D E F G H

River width (metres) 1.2 1.5 2.2 2.4 3.2 3.6 3.4 3.5

River depth (metres) 0.1 0.1 0.11 0.1 0.1 0.1 0.1 0.4

Velocity (metres per second) 0.04 0.06 0.09 0.24 0.19 0.25 0.35 0.28

Source 2 A river fieldwork results table

Measuring water quality

3 3 3 3 3

Geo

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Site number 1 (Pangbourne)

2 (Reading)

3 (Shiplake)

Land Use Farmland Shops and car park School playing fields

River discharge Low High Low

Water quality (mark out of 10)

Poor (1) Very good (9) Good (6)

Water management None Run off from urban area Water taken out for public use

Smell Unpleasant None None

Colour Brown Light brown Light brown

Human impact Agricultural chemicals in river

Some plastic bottles in river

Water is extracted for agriculture

Source 4 Water quality along the river Thames: some fieldwork results