cross sectional area
discharge of river
size particualar making load
channel gradient
chanel effictiently
angularity of bedload
Location
Lougton Brook
High Beach
London
Essex
United Kingdom
Loughton Brook is a tributary of the River Roding which then flows into the River Thames. Epping Forest is near Greater London which stands on the River Thames. This is one of the largest rivers in London.
Date ane weather
We shall be going to Epping forest on Wednesday 18th November
One of the reason that will affect our result is the fact that there been low rain fall over the last few weeks. This mean that the river itself will be shallow compare to a season when there has been a high rainfall
Prediction
I shall be excepting when we go to epping forest and study the river moving downstream that the stream order will increase. The size of the pebbles will decrease in size and will also became less smoth for Site A till we reach and collect our result at Site C.
When we forest collect our result at Site A I except the river to be very narrow and the shallowest of all the sites. This site will be found closer toward the source. Site B that we will look at will beging to get more deeper and wider . We shall begin to see more v shaped valley as we begin more downstream.
The lower course of the river Site C is where the river becomes its widest and deepest. This course is found closest to the sea where the river has its mouth. There are lots of stones and boulders for the water to flow over.
Methodology
Investigate change in channel charteristics which increase stream order
Lougton Brook
Epping Forest
South East
United Kingdom
Dated 8am til 4pm
18 November 03
Due low rainfall over past few weeks affect on result and conclusion
Data Collected How Why Equiment
bank to water ranging pole in the water See the change of width 1m ruler
width and another ranging pole as increase stream order 2 ranging poles
flat on the bank to form tape measure
a right angle second pole
is then measured from the
bank till the water by a tape
measure
channel at bank water width and 1m ruler
width water width together
cross sectinal mytiplying water width useful calulate discharge
area with water dept
float time placing cork in water and cork 1m ruler
m ruler time how long take
travel 1 meter
gradient place two ranging poles gradient show how 2 raining poles
measure angels using how the land slopes cliometer gun
gun cliometer
water width tape measure one side how width size change tape measure
to other starting place as increase stream order
where the bank to water end
