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Warmer Water:
The remaining type of fog of interest to boaters is steam fog. This occurs when cold air passes over much warmer water, resulting in a rapid transfer of heat and water vapor to the lowest layer of air. Because the water is much warmer, vertical air currents are formed and it appears that the water is steaming, much like a hot bath. Such fog in coastal areas, called sea fog, can be widespread and very thick.
WindsCarbonate deposits: Carbonated water may dissolve calcium carbonate in one locality and precipitate it again in another locality. Stalactites and stalagmites are formed in this manner in limestone caverns. At the surface of the oceans the water is practically saturated with calcium carbonate, especially in warmer regions, and limestones may be formed by the precipitation of calcium carbonate from the sea water, without the intervention of the biosphere—that is, without any contribution from plants or animals.
Certain shores of the Great Lakes have been found especially favorable for fruit growing, in part, because of the modifying and equalizing effect of large bodies of water. One acre of such land may prove to be worth several acres elsewhere. Elevation becomes important where it is impossible to depend on the moderating effect of a body of water. Air currents, like water, move down hill so that fruit plantations located on an upper slope possess a definite advantage, since the cold air remaining at night near the surface of the ground may move out from under the warmer layer which extends upward to treetop height.
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