Quick Answer
Google Earth provides reasonably accurate measurements for terrain features with an average error of 20-30 meters. However, precision can be improved using various techniques.
Measuring Terrain Features with Google Earth
Google Earth’s terrain measurements can be used to identify potential hunting areas, such as funnels and bedding spots. To measure a feature, select the “Measure Distance” tool in the toolbar and click on two points to calculate the distance between them. This tool can also be used to measure the area of a feature by selecting the “Measure Area” option.
Historical Imagery for Terrain Analysis
Google Earth provides historical imagery that can be used to analyze changes in terrain features over time. This can be useful for identifying areas that may have changed due to weather, erosion, or human activity. To access historical imagery, click on the clock icon in the toolbar and select the desired date.
Advanced Techniques for Terrain Measurement
Advanced users can use Google Earth’s “KML” file format to create custom measurements and overlays. This can be done by creating a KML file with a script that calculates the measurements and then importing the file into Google Earth. Additionally, users can use the “Terrain Profile” tool to create a 3D elevation profile of a terrain feature, which can be useful for identifying potential funnels and bedding spots.
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