GEO 1111 Lecture Notes - Lecture 15: Buoyancy, Dissolved Load, River Channel Migration
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GEO 1111 Full Course Notes
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Document Summary
The movement of water between the ocean, air and land: hydrosphere, atmosphere. Storage- changes in volume of soil water or lake or river water. Ships can hold more cargo and do not ground in channels. Water loss greater than precipitaion input: water levels drop, salinity rises. Soil dries up and wind-born soil transport increases. Streams- major geological agents of change in landscapes. Transfer material from highs to the lows-plane out relief. Drainage basin: total area drained by a stream and its tributaries. Tributary: small stream lowing into a larger one. Drainage divide: ridge of high ground dividing one drainage basin from another. Longitudinal proile: cross-secional view of the stream bed---red line. Three basic components of a stream: valleys: sloping area around the stream, channels: botom of valley, where water lows, floodplains: lat area in valley level with top of channel. Porion of the valley that can be looded.