Hubbards Hills Earthcache: Valley and Stream EarthCache
Hubbards Hills Earthcache: Valley and Stream
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THIS IS AN EARTHCACHE, YOU MUST SEND ME ANSWERS TO THE QUESTIONS BEFORE YOU LOG. This Earth Cache focuses on the geological processes that formed Hubbards Hills.
+++++ Congratulations to Bobo Frett and Golden Condor FTF jointly with Grizzly Pair +++++ This Earth Cache focuses on the geology of Hubbards Hils, and to claim you will need to email me the answers to the following three questions: 1) Having walked along the valley, observe and describe the shape of the valley, starting from the Hallington end, and explain how it demonstrates the process that formed it. 2) Observe the stream, and decide if you think it could be a rare chalk stream. List the features you can see which might indicate that it is. 3) How high do you think the valley is? 4) Optionally you can post a photograph of the temple. In geology, a valley is a depression that is longer than it is wide. A valley formed by flowing water, or river vally, is usually V-shaped, although the exact shape will depend on the nature of the river or stream flowing through it. A valley shaped by glaciers is normally U-shaped. A glacier is made up of snow, fallen over many years, and frozen into a thick, heavy layer of ice. What makes a glacier unique is that it is able to move, very slowly, and the underside moves more slowly at the top due to the friction of the ice against the surface of the ground. As the glacier moves, it wears away the ground and gradually reshapes the landscape, eroding the land into the typical U-shaped valley. Another way in which a valley can be influenced by glacial action is when an area is covered by an ice sheet during the ice age and a valley was cut by meltwater as the ice melted at the end of the Ice Age. This would cut a deep meltwater channel through the chalk - rapid downward erosion making the steep valley sides. Chalk streams are streams that flow through chalk hills towards the sea. They are typically wide and shallow streams, and due to the filtering effect of the chalk they have crystal clear water. Chalk streams are globally rare: there are 210 in the world, of which 160 are in England. Features also include natural springs emerging at ground level, and they are also important because they support special wildlife habitats.
Additional Hints
(Decrypt)
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