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level: rainfall and cryospheric process

Questions and Answers List

level questions: rainfall and cryospheric process

QuestionAnswer
what are the three types of rainfallconvectional, frontal, relief
what is frontal rainfallwhen area of warm air meets area of cold air. Warm air rises above more dense cold air. as it rises warm air cools therefore can hold less moisture, condenses and falls as rain.
what is convectional rainfallwater evaporated as it rises air cools condensates and water is released as rainfall
what is relief rainfallwhen a physical barrier forces air mass upwards this cools air, reduces water it can hold, condensates and fall as rain.
where is frontal rainfall commonmid latitude area eg UK
where is convectional rainfall commonat the equator
where is relief rainfall commonmountain ranges eg alps
what are the two cryospheric processesablation and accumulation
what is ablationwhere outputs exceed inputs, mass is lost
what is accumulationwhere inputs exceed outputs, mass is gained
what happens when accumulation is bigger than ablationglacial advance
what happens when accumulation is less than ablationglacial retreat
what happens if ablation and accumulation are equalglacier remains in the same place
how many major glacial periods have there been5 (present day one is the quartanery period)