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How are oceanic currents measured?
What is ocean current?
How do ocean currents circulate water?
What are the two types of ocean currents?
Ocean currents are measured in units of sverdrup (sv), where 1 sv is equivalent to a volume flow rate of 1,000,000 m 3 (35,000,000 cu ft) per second.
Ocean currents are driven by wind, water density differences, and tides. Oceanic currents describe the movement of water from one location to another. Currents are generally measured in meters per second or in knots (1 knot = 1.85 kilometers per hour or 1.15 miles per hour).
Currents driven by thermohaline circulation occur at both deep and shallow ocean levels and move much slower than tidal or surface currents. The Currents Tutorial is an overview of the types of currents, what causes them, how they are measured, and how they affect people's lives.
Ocean currents typically are measured in knots. Although they still follow the same essential concept to measure ocean currents, mariners today use more accurate and sophisticated instruments. Today, drifters are often elaborate buoys equipped with multiple oceanographic instruments.
8.4: Ocean Currents. Page ID. Table of contents. Lesson Objectives. Surface Currents. Causes of Surface Currents. Effect on Global Climate. Deep Currents. Upwelling. Lesson Summary. Review Questions.
The two main components of currents are speed and direction. To measure a current, toss an object into the water and time how long it takes to get to a certain point a known distance away. Granted, technology allows us to be a little more accurate and sophisticated in our measurements.
ocean current, stream made up of horizontal and vertical components of the circulation system of ocean waters that is produced by gravity, wind friction, and water density variation in different parts of the ocean.
