The amount of heat required to increase the temperature of a substance by 1 degree Celsius is quantified as heat capacity, and this value determines how well a substance retains the heat.
Water has a relatively high heat capacity at 4.18 J/g*C, which means it takes more heat to warm a gram of water. This is why, throughout the course of a warm summer day, the water temperature in the ocean does not experience a significant change. And phenomena like land and sea breeze, dust storm, monsoon are possibly due to high specific heat capacity of water.
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has a much lower specific heat capacity, solar radiation heats the
land more quickly than the water during the
day. Thus air
above the land has a higher temperature than air above the sea. Differences in
air pressure is created as the hot air expands and rises up. The cold air from
the sea starts blowing towards the land, giving rise to the sea breeze.
At night, both the water and the land lose heat,
but the land loses heat more quickly than water because of its low specific
heat capacity. Therefore, the warm air above the sea expands and rises up. Cold
air from the land blows towards the sea to make up for the fall in pressure.