What is the difference between aerial imagery and satellite imagery?

What is the difference between aerial imagery and satellite imagery?

Aerial imagery refers to all imagery taken from airborne craft. It is categorized according to camera axis, scale, and sensor. While satellite images have greater large-scale scientific applications, aerial photography has greater small-scale commercial applications.

How can aerial and satellite imagery be used in geography?

Satellite imagery and aerial photography both provide a view of the Earth from above, and both are used to study geography, to survey areas of land and even to spy on governments.

What are the different methods of determining scale of aerial photos?

There are three methods of determining the scale : 1. By establishing relationship between photo distance and ground distance : In this method if additional information like ground distance of two identifiable points in an aerial photograph is available it is simple to work out the scale of a vertical photograph. 2.

What are the types of satellite images?

TYPES OF SATELLITE IMAGERY

• VISIBLE IMAGERY: Visible satellite pictures can only be viewed during the day, since clouds reflect the light from the sun.
• INFRARED IMAGERY: Infrared satellite pictures show clouds in both day and night.

Why are aerial and satellite images so important?

Photographs and other images of the Earth taken from the air and from space show a great deal about the planet’s landforms, vegetation, and resources. Aerial and satellite images, known as remotely sensed images, permit accurate mapping of land cover and make landscape features understandable on regional, continental, and even global scales.

Why are humans so good at interpreting satellite imagery?

If you have ever spent an afternoon identifying animals and other shapes in the clouds, you’ll know that humans are very good at finding patterns. This skill is useful in interpreting satellite imagery because distinctive patterns can be matched to external maps to identify key features.

How are satellite images different from Digital Pictures?

As a result, NASA images are less detailed but cover a wider area, ranging from the landscape scale (185 kilometers across) to an entire hemisphere. The level of detail depends on the satellite’s spatial resolution. Like digital photographs, satellite images are made up of little dots called pixels.

What can a satellite image tell you about a city?

They can show us how much a city has changed, how well our crops are growing, where a fire is burning, or when a storm is coming. To unlock the rich information in a satellite image, you need to: