paper 3 geography phyical Flashcards
What was the hypothesis on the River
The river is deeper on the inside Bend
the river is faster on the outside Bend
the river loud is larger on the inside bend
Location
Location
Borrowdale Ghyll at Grange
a tributary of the river Derwent
Why this location
Safe and accessible river
location near to Keswick
appropriate for investigation
meanders
Danger
Slippery rocks
fast flowing water
debris in river
uneven river bed
River width
One person stands on riverbank a second person walks across the river with the end of the tape measure tape measure is kept tight and above the river width is read out and written down by group member on the river bank
Problems with the methodology of measuring the river width
Tape measure got caught in the channel making the river seem wider than it actually was
Straighten it out
River depth
Well the tape measure was being held across the River by to group members at Third movement they will use a metre ruler to measure the depth across the river every 50 cm the death is read out loud and recorded by the group member on the riverbank
River depth problems
Pushing the stick too far in
Made it seem deeper
river speed
One person holds the flow metre in the river channel with the propeller facing upstream it is held in the water for one minute and the digital reading read out to the person on then bank who recorded this this is completed at 3 locations across the channel at the edge in the middle and the other Edge
Problems with finding the river speed
There were people upstream of each group doing the measurements which can affect the speed of the water it was difficult to hold the flow metre still the distance across the channel was not measured it was just a guess
Bed load measurements
At every 100cm across the river to Iraq from the river bedload was picked up and passed to the person on the River by this person then measured the longest length of this rock and roll the measurement down to the nearest 0.5 metres
Problems with finding the bedload size
Most people always went to pick the biggest rock which might have changed the results only one Rock was picked from each location
How was the river d e p t h presented as
As a cross-sectional diagram
The cross-section of of the river shows that….
The cross-section of of the river show that it was deepest on the outside bend of the river
The results of the river depth
The outside bend was 73cm
It was 1cm on the inside
It got more shallow at the sixth interval but increased (65 - 73)
