Why is magnetic declination significant in navigation?

Magnetic declination is significant in navigation because it directly affects the accuracy of maps and compass readings. Magnetic declination refers to the angle between magnetic north (the direction a compass points) and true north (the geographic north pole). Since maps are typically oriented to true north, a difference in declination means that using a compass without adjusting for this value can lead to navigational errors. When navigating, if the magnetic declination is not taken into account, a user could misinterpret their course and potentially head in the wrong direction.

For effective land navigation, it is crucial for individuals to understand and apply the concept of magnetic declination. This ensures that compass readings are aligned correctly with the map being used, allowing for accurate positioning and movement toward a desired location. Therefore, adjusting for magnetic declination is key to effective navigation and decreases the risk of getting lost or miscalculating a route.