124220
Description
Flashcards by elliesussex, updated more than 1 year ago
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Created by elliesussex
over 12 years ago
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| Question | Answer |
| watershed | the boundary dividing one drainage basin from another |
| source | where the river flows into the sea (the beginning) |
| Tributary | A small river which joins a larger river |
| The hydrological cycle is | the continuous cycle of water |
| Evaporation is.. | The process where water changes from liquid to vapour |
| What is ground water flow? | Water that's moving slowly in rock below to river. |
| What is a hydrograph? | A graph to show how the discharge of a river changes over time at a certain point. |
| Mouth | The upland area where the river begins |
| Catchment | the area where water drains into a particular drainage basin |
| Drainage basin | the area of land drained by a single stream or network of rivers |
| interception | when precipitation is caught on plant leaves so therefore never reach the drainage basin |
| What is suspended load? | Fine particles (clay, silt) carried by water in suspensions. Suspended load gives them muddy appearance. |
| Define discharge | The volume of water in a river passing a point in a given time. |
| What is attrition | A form of erosion where pebbles and rocks collide with each other making them small and smooth |
| where does erosion take place? | Upper course of the river |
| Erosion is.. | the wearing away and removal of rocks by the action of water, wind or ice |
| weathering | breaking up of rocks by the action of weather, plants, animal and chemical processes. |
| Abrasion is when.. | fragments of rock carried by river wear away the bed and banks of river. This is responsible for making river valleys deeper. |
| Bedload.. | is when the largest rock particles get dragged along river channel at high flow. |
| Name the 4 types of river transport | Bedload, Suspended load, solution load and deposition |
| Transpiration.. | The loss of water vapour from plants through leaves. |
| Condensation | when cooling vapour turns to a liquid |
| surface run-off | movement of water over the surface of the land |
| River flow | water that's flowing in a river/stream towards the sea. |
| Confluence | Where 2 rivers join |
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