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water is heated by the sun, causing it to become a gas and rise into the atmosphere. Transpiration occurs in plants when they respire through their leaves, releasing water they absorb through their roots, which then evaporates due to heating by the sun.
Examine the hydrological changes resulting from the construction of dams and reservoirs. Examine the costs and benefits of dams and reservoirs as part of multi-purpose schemes. Explain the stream channel processes (erosion, transport, deposition) and explain the resultant landforms found on floodplains.
The issues-based approach to studying this topic enables students to explore and evaluate contemporary examples of how water insecurity and climate change is impacting on both the human and physical worlds.
Geography Lead. Managing the Impacts of River Flooding. Flood prediction. Prediction of flooding means that steps can be taken to manage flooding. Flood hydrographs are used to predict the reaction of a river discharge to a rainfall event. A flood hydrograph shows the changes in river discharge after a storm event.
Revision notes on Water Supply and Use for the Cambridge (CIE) IGCSE Geography syllabus, written by the Geography experts at Save My Exams.
Geography Revision Guide Gr 12/2018 1. Drainage systems in South Africa Concepts: o Drainage basin: area drained by a river and its tributaries o Catchment area: upper reaches of a drainage basin which supplies a river with water o River system: the main river and its tributaries o Tributary: smaller streams that join the main river
Welcome to the Grade 11 Geography Study Guide. The subject of Geography has changed considerably over time and it continues to change because it is one of the most dynamic subjects in the curriculum. The Earth and its atmosphere, the home of humaind, is changing all the time and that is what makes our subject so special.
