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Great Lakes Seiche – The Joys of Kayaking on the Big Lakes
The Great Lakes are five vast inland seas. Lake Superior, the largest, is approximately the same size as Iceland. Taken together, almost two Englands could fit inside the total surface area of the lakes. They’re big. Because they’re contained within smaller basins they don’t have tides like you’d see on the oceans, although the Great Lakes tides are measurable. A significant tide-like event that occurs on the Great Lakes is called a seiche, which is a sloshing of water caused by air pressure or wind. A seiche typically occurs quickly and can drop or raise the water significantly; some seiches are reported to have changed the water levels by 12…