Ch 1: Aerial Photographs
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Questions and Answers

What distinguishes orthophoto maps from regular aerial photographs?

  • They capture only the sides of objects.
  • They are obtained from satellites.
  • They provide a bird's-eye view.
  • They are corrected for topographic relief and camera tilt. (correct)

    • Which type of image captures data in various wavelengths of the electromagnetic spectrum?

  • Orthophoto map
  • Satellite image (correct)
  • Aerial photograph
  • Oblique aerial photograph

    • What is the primary source for oblique aerial photographs?

  • Aircraft (correct)
  • Underwater drones
  • Satellites
  • Space stations

    • What is the main characteristic of oblique aerial photographs?

    <p>They capture only the sides of objects.</p> Signup and view all the answers

    Which type of image is a hybrid between a photograph and a map?

    <p>Orthophoto map</p> Signup and view all the answers

    What are satellite images primarily collected by?

    <p>Satellites</p> Signup and view all the answers

    Which type of aerial image provides a bird's-eye view of large areas?

    <p>Aerial photograph</p> Signup and view all the answers

    What is the main difference between a low oblique aerial photograph and a high oblique aerial photograph?

    <p>The angle of tilt of the camera</p> Signup and view all the answers

    Which type of aerial photograph shows both the ground surface and the horizon?

    <p>High oblique aerial photograph</p> Signup and view all the answers

    What is the camera orientation for capturing a vertical aerial photograph?

    <p>Nearly perpendicular (90) to the ground</p> Signup and view all the answers

    Which type of photograph is typically used for photographing landscapes and objects, but not for mapping purposes?

    <p>Horizontal photograph</p> Signup and view all the answers

    What is the main purpose of geo-referencing in GIS?

    <p>Aligning images with geographical locations</p> Signup and view all the answers

    What does ground surveying involve in the context of integrating aerial images into GIS?

    <p>Precise measurement of distances and angles on the ground</p> Signup and view all the answers

    Which type of photograph might make some features harder to recognize due to its top view perspective?

    <p>Vertical aerial photograph</p> Signup and view all the answers

    What distinguishes orthophoto maps from oblique aerial photographs?

    <p>Orthophoto maps correct for topographic relief and camera tilt.</p> Signup and view all the answers

    What is a key characteristic of oblique aerial photographs?

    <p>They capture the sides of objects.</p> Signup and view all the answers

    Which type of aerial image is processed into images highlighting different aspects of the Earth's surface?

    <p>Satellite Images</p> Signup and view all the answers

    What is the primary source for orthophoto maps?

    <p>Satellites</p> Signup and view all the answers

    In what way do orthophoto maps combine the characteristics of a photograph with the qualities of a map?

    <p>By ensuring a uniform scale across the image</p> Signup and view all the answers

    What is the primary function of oblique aerial photographs?

    <p>To capture the sides of objects</p> Signup and view all the answers

    Which type of aerial image is essential in fields like geography, cartography, and environmental studies?

    <p><strong>Aerial Photographs</strong></p> Signup and view all the answers

    Satellite Images are captured by sensors collecting data in:

    <p><strong>Multiple wavelengths of the electromagnetic spectrum</strong></p> Signup and view all the answers

    What is the camera tilt angle for a Vertical Aerial Photograph?

    <p>90°</p> Signup and view all the answers

    Which type of aerial photograph shows only the ground surface without the horizon?

    <p>Low Oblique Aerial Photograph</p> Signup and view all the answers

    What is the primary purpose of geo-referencing in Geographic Information Systems (GIS)?

    <p>Aligning images with geographical locations</p> Signup and view all the answers

    Which camera orientation is commonly used for photographing landscapes, objects, or people from the air?

    <p><strong>Horizontal Photograph</strong></p> Signup and view all the answers

    What does ground surveying involve in the context of integrating aerial images into GIS?

    <p><strong>Precise measurement of distances and angles</strong> between specific points on the ground</p> Signup and view all the answers

    Which type of aerial image provides a view showing both the ground surface and the horizon?

    <p><strong>High Oblique Aerial Photograph</strong></p> Signup and view all the answers

    Which type of aerial photograph is typically taken with the camera pointed directly horizontally, often used for photographing landscapes, objects, or people from the air?

    <p>Vertical Aerial Photograph</p> Signup and view all the answers

    What is the primary purpose of geo-referencing in integrating aerial photographic images into GIS?

    <p>Aligning images with geographical locations</p> Signup and view all the answers

    Which type of image is processed to highlight different aspects of the Earth's surface?

    <p>Orthophoto Map</p> Signup and view all the answers

    Ground surveying involves precise measurements of distances and angles between specific points on the ground to assist in:

    <p>Accurately geo-referencing aerial photographs</p> Signup and view all the answers

    Which camera orientation is commonly used for photographing landscapes, objects, or people from the air, but not typically classified under aerial photographs used for mapping?

    <p>Horizontal Photograph</p> Signup and view all the answers

    What distinguishes orthophoto maps from regular aerial photographs?

    <p>The removal of distortion caused by terrain relief</p> Signup and view all the answers

    Which type of aerial image provides a bird's-eye view of large areas but may make some features harder to recognize due to its top view perspective?

    <p>High Oblique Aerial Photograph</p> Signup and view all the answers

    What is a key characteristic of oblique aerial photographs in comparison to vertical aerial photographs?

    <p>They provide a top view perspective.</p> Signup and view all the answers

    What distinguishes orthophoto maps from oblique aerial photographs?

    <p>Orthophoto maps combine the image characteristics of a photograph with the geometric qualities of a map, while oblique aerial photographs provide a bird's-eye view.</p> Signup and view all the answers

    Which type of aerial photograph is captured with the camera angled between horizontal and vertical?

    <p>Oblique aerial photograph</p> Signup and view all the answers

    What is the primary purpose of geo-referencing in Geographic Information Systems (GIS)?

    <p>To align aerial images with real-world locations</p> Signup and view all the answers

    What distinguishes satellite images from aerial photographs?

    <p>Satellite images capture data in various wavelengths of the electromagnetic spectrum, while aerial photographs provide a bird's-eye view.</p> Signup and view all the answers

    What characteristic differentiates orthophoto maps from regular aerial photographs?

    <p>Orthophoto maps combine the image characteristics of a photograph with the geometric qualities of a map.</p> Signup and view all the answers

    What is the camera tilt angle for a Low Oblique Aerial Photograph?

    <p>30° from the vertical</p> Signup and view all the answers

    What type of photograph is captured with the camera pointed directly horizontally, commonly used for photographing landscapes, objects, or people from the air?

    <p>Oblique Aerial Photograph</p> Signup and view all the answers

    What distinguishes Orthophoto Maps from regular aerial photographs?

    <p>They correct distortions due to terrain relief</p> Signup and view all the answers

    In GIS integration, what does Geo-referencing involve?

    <p>Aligning images with geographical locations on earth</p> Signup and view all the answers

    High Oblique Aerial Photographs are tilted about how many degrees from the vertical?

    <p>60°</p> Signup and view all the answers

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