Winds

different between cold and warm salty water

cold water- more dense travels along the seabed

warm water is less dense and travels along the surface of the water

what happens to the sea when icebergs melt

fresh water causes salivation to occur, this means it forms on the surface of the water

weakens north Atlantic conveyor

changes in the cryosphere

reduced snow cover

glaciers- changes in extent and speed of movement

ice caps- changes in thickness and movements

ice shelves and land ice- changes to break up movements

sea ice- changes in thickness and area

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