The main difference between a canal and a river is that a river is a natural flow of water while a canal is man-made. A river by definition flows from inland into the sea while a canal is most often constructed to connect existing rivers, lakes or oceans.Know More
Both rives and canals have been important to human history in many respects. Systems of rivers, canals and inland waterways connect ocean transportation — and, by extension, overseas commerce and communication, — inland from coastal areas.
Since antiquity, civilizations have concentrated along rivers, including the Tigris-Euphrates and Nile river systems. As a natural means of transportation, rivers have also provided a means for travelers, conquerors and colonialists to penetrate land. For example, the St. Lawrence, Mississippi, Missouri, Mohawk and Ohio river systems were the chief means for the first European colonialists to travel through the North American continent.
Ancient Middle Eastern societies like the Phoenicians, Persians and Egyptians built canals for irrigation purposes. Pharaoh Pepi built a series of five canals, the first known to have been built to improve the flow of a river, in 2300 to 2180 B.C.E. The Persian king Xerxes built the first direct sea level canal at the Mount Athos peninsula in 480 B.C.E.Learn more about Bodies of Water
The Panama Canal is a 48-mile international waterway that crosses the Isthmus of Panama, which divides Panama into two parts. The canal allows ships to pass between the Atlantic and the Pacific Ocean, shortening the journey by roughly 8,000 miles compared to the traditional route around Cape Horn.Full Answer >
A small river that flows into a large river is called a tributary. The tributary meets the parent river, named the mainstem, at a point called the confluence. Tributaries do not flow directly into oceans or seas.Full Answer >
The Panama Canal is approximately 40 miles long from shore to shore. Its length from the deep water in the Atlantic Ocean to the deep water in the Pacific Ocean is approximately 50 miles. The canal shortened the trip from the Atlantic to the Pacific by 8,000 nautical miles.Full Answer >
The Panama Canal in Central America is 77 kilometers (48 miles) long. It connects the two largest oceans, the Pacific Ocean and the Atlantic Ocean.Full Answer >