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Updating contour maps is necessary to reflect changes in the landscape, such as erosion, sediment deposition, or new construction activities that can alter topography. Additionally, advancements in surveying technology and data collection methods can provide more accurate and detailed information, leading to improved map quality. Regular updates ensure that planners, engineers, and environmental scientists have access to the most current information for decision-making and resource management. Finally, changes in land use, vegetation, and climate can also impact contours, necessitating periodic revisions.

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1mo ago

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What kind of map measures mountains heights?

Contour Maps,actually,contour maps measure their elevations.


What do elevation maps use to show elevation?

Maps can show elevation with contour lines


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contour maps are maps that depict contour line. they contain lines of equal heights that are joined together and help to show elevations, terrain shape and many other features of the earth


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A contour map. The lines are called contour lines


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Contour maps.


How do you update the Google Maps image?

To update a Google Maps image, you can suggest an edit through the Google Maps app or website. Locate the area you want to update, click on "Suggest an edit," and provide the necessary information, such as new photos or corrections to existing images. Google reviews these suggestions and may update the images based on user contributions and their verification processes. Additionally, businesses can update their images through their Google My Business profile.


Is a contour interval for a given topographic map always the same?

No, the contour interval can vary between different topographic maps based on the scale and detail of the map. Smaller scale maps may have larger contour intervals, while larger scale maps may have smaller contour intervals to show more detailed elevation changes.


Why is there a difference between NZ contour lines and Australian contour lines?

Maps can be created with differing scales. These days, it's childishly simple for the cartographer to change any scale on any parameter before printing. It's possible one of your maps is 10 meters/interval while the other is 5 Or, if one of your maps was printed before SI was made standard, it might be 'Imperial' Or, if one of your maps was published in US First things to check on any map; Date, scale, orientation, contour interval


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On topographic maps contour lines that are far apart indicate?

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What are some GOOD facts about topographic maps?

topographic maps have contour lines that show a specific place...