Is the Mercator projection useful?

1. Yes; when creating thematic maps
2. No; it’s distortions are too great
3. No; latitude/longitude lines aren’t needed with GPS
4. Yes; in naval settings without roads

2. No; it’s distortions are too great

The Mercator projection can be useful in certain situations.

1. Yes; when creating thematic maps: The Mercator projection is commonly used for thematic maps, such as world population density or climate maps. These maps often focus on specific areas of interest and the distortion caused by the Mercator projection may be less significant for these purposes.

4. Yes; in naval settings without roads: The Mercator projection is especially useful in naval settings where accurate navigation is crucial. Since the Mercator projection preserves direction, it allows sailors to plot straight lines (rhumb lines) on charts for navigation purposes.

However, it is important to note that the Mercator projection has inherent distortions that can lead to misrepresentation of size and shape, particularly near the poles. Therefore, it may not be suitable for all applications where accurate representation of the entire Earth's surface is required.

2. No; its distortions are too great: The distortions in the Mercator projection increase significantly towards the poles, resulting in an exaggeration of land areas near the poles. This can lead to misconceptions about the size and proportions of different countries, continents, or landmasses.

3. No; latitude/longitude lines aren't needed with GPS: The usefulness of the Mercator projection is not directly related to the need for latitude/longitude lines. GPS technology relies on coordinates, which are typically represented in a geographic coordinate system based on latitude and longitude. While GPS provides accurate positioning, the choice of map projection is still important for visualization and understanding of spatial relationships.

In conclusion, while the Mercator projection has certain applications where its properties are advantageous, it also has significant distortions that must be considered. Its usefulness depends on the specific purpose and context in which it is applied.