The Change of a River From Its Source to Its Mouth

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The Change of a River From Its Source to Its Mouth Main Aim: To find out in which ways a river changes from its source to its mouth. We traveled to the west coast of Wales to find out how a river changes from its source to its mouth. We were situated in the small rural village of Tal-y-bont, which was near the town of Aberystwyth. The river that we decided to test out with our hypothesis and find out our aim on was the river Einion. The river Einion is a tributary to the river Dovey. The river is roughly 4 miles long and 12 miles from Aberystwyth. Aberystwyth is mainly a tourist-based town, situated between three vast hills, equipped with many facilities for tourists but it is also renowned for its Castle ruins and stony beaches and also a large spit at Cardigan Bay. Aberystwyth is the home for the University of Wales and the National Library of Wales. The landscape of Aberystwyth is very hilly, with many interlocking spurs and V shaped valleys in the area. In order to test and prove our hypothesis, we conducted tests on the river Einion at five different points along the river to show us the changes it has made from its source to its mouth. [IMAGE] This is where the river Einion is situated on a map of Wales [IMAGE] [IMAGE] [IMAGE] [IMAGE] [IMAGE] River Dovey Aberystwyth River Einion [IMAGE][IMAGE] [IMAGE][IMAGE][IMAGE] Site 5 Site 4 Site 3 Site 2 Site 1 These are the five sites that we collected data from and proved our hypothesis at. Hypothesis · As the depth of the river increases from source to mouth, the sediment size will decrease. I came to the decision to test this hypothesis, as it is fairly complex yet obvious. The sediment size will decrease as attrition from boulders makes the size smaller. Also corrasion from rocks rubbing on the riverbed will cause the bed to become deeper as the river flows

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