rivers & coast 0.0 / 5 ? GeographyWater and riversGCSEOCR Created by: Izzy Hawkins04Created on: 22-05-16 11:48 what is saltation? larger particles are lifted and dropped along the river bed 1 of 19 what is suspension? smaller particles are carried along in the water like clay 2 of 19 what is solution? dissolved materials containing minerals are carried in the water 3 of 19 what are the 4 erosive processes? abrasion, attrition, solution, hydraulic action 4 of 19 what is hydraulic action force of water breaks particles away 5 of 19 what is abrasion? river widens and deepens by rocks rubbing and scraping against channel 6 of 19 what is attrition? rocks smash into each other and break into smaller fragments 7 of 19 what is solution? acids in water dissolve material 8 of 19 what are the physical factors causing a river to flood? prolonged rainfall, heavy rainfall, snowmelt, relief, geology 9 of 19 what are the human factors causing a river to flood? deforestation, urbanisation 10 of 19 what are economic reasons to protect the coast? loss of tourism, businesses, agricultural land, property prices fall 11 of 19 what are social reasons to protect the coast? deaths, water supplies, loss of housing, loss of jobs, damage to infrastructure 12 of 19 what are environmental reasons to protect the coast? ecosystems affected, SSSI threatened 13 of 19 what is infilteration? when water soaks into the soil 14 of 19 what is percolation? water moves vertically down through soil and rock 15 of 19 what is throughflow? water in the soil flows downhill 16 of 19 what is groundwater flow water in rock flows downhill 17 of 19 what is surface runoff? water flows overground 18 of 19 what is channel flow? flow of water in a river 19 of 19
GCSE Edexcel Specification B - Unit 1 - COASTAL CHANGE AND CONFLICT (PART 1) 3.0 / 5 based on 5 ratings
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