Question

What are the differences and similarities between topographic maps and orthophoto maps in terms of data source used to create the maps and steps followed to create each type and purpose of each map

Answer 1

Topographic maps and orthophoto maps are used to depict the physical features of the Earth's surface. Topographic maps are based on surveys conducted on the ground, while orthophoto maps are created using aerial or satellite imagery. Topographic maps provide detailed information about elevation and terrain, while orthophoto maps provide a realistic representation of the Earth's surface.

Step-by-step explanation:

Topographic maps and orthophoto maps are both used to depict the physical features of the Earth's surface, but there are some key differences between the two.

Data Source:

Topographic maps: These maps are based on surveys conducted on the ground. They use aerial photographs and other surveying methods to gather data on elevation, contour lines, and other physical features.

Orthophoto maps: These maps are created using aerial or satellite imagery that is corrected for distortions. They provide a realistic representation of the Earth's surface.

Creation Process:

Topographic maps: The creation of topographic maps involves collecting data on the ground and creating a detailed survey of the area. This data is then used to create contour lines and other features that are representative of the terrain.

Orthophoto maps: The creation of orthophoto maps involves capturing aerial or satellite imagery of the area. This imagery is then processed to correct for distortions, such as tilt and perspective, resulting in a map that provides an accurate representation of the Earth's surface.

Purpose:

Topographic maps: These maps are used for a variety of purposes, including land navigation, urban planning, and natural resource management. They provide detailed information about the elevation, terrain, and other physical features of an area.

Orthophoto maps: These maps are primarily used for visualization purposes. They provide a realistic representation of the Earth's surface and are often used in fields such as urban planning, archaeology, and environmental monitoring.

Answer 2

The correct answer for the question that is being presented above is this one: "Topographic maps feature contour lines to portray the shape and elevation of the land. Topo maps render the three-dimensional ups and downs of the terrain on a two-dimensional surface. It also includes contours. Orthophoto maps show land features using color-enhanced photographic images which have been processed to show detail in true position. They may or may not include contours."