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Coastal Meteorology - Institute of Coastal Research

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Land Breeze<br />

qualitative<br />

calm atmosphere<br />

clear night<br />

C<br />

D<br />

Sea<br />

B<br />

A<br />

Land<br />

• at night the land cools more rapidly than the sea<br />

• at upper levels pressure relatively high over sea and low over land<br />

• there is a level where pressure is higher over land than over water<br />

• pressure gradient produces slight flow from C to B<br />

• convergence near B leads to higher pressure and subsidence from B to A<br />

• departure from hydrostat. equi. around A and flow from A to D (land breeze)<br />

• divergence near D leads to decrease in pressure and flow from D to C<br />

M.Quante 2002

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