Aerial Photography and Remote Sensing (GEOG2112)

 

Instructor: Dr. M. M. Yagoub

 

Exercise 1: Test Yourself

 

Answer  all  questions

 

Section A

 

Make a circle around the correct answer

 

Q1. Remote Sensing is a combination of:

       A- Water, sensor, and information      B- Camera, film, and information              C- Electromagnetic radiation, sensor, and information

 

Q2. The following are sensors:

      A- Camera, film, flash  B- Eye, camera, satellite sensor

      C-Satellite, light, lamp

 

Q3. The Space Year was celebrated in:    A- 1980           B- 1920                  C-1992

Q4. The abbreviation ISPRS is referred to:

       A- Intensified Science Program        B- International Space Program             

      C- International Society for Photogrammetry and Remote Sensing

 

Q5.The basic equation of electromagnetic is             C = & f       where

      A- C,  &,  f    stands for speed of light, altitude, and force

      B- C,  &,  f    stands for speed of light, wave length, and frequency

      C- C,  &,  f    stands for current, speed of light, and force

 

Q6.  The main effects of the atmosphere on electromagnetic radiation are:

        A- Cloud and rain      B- Reflection and refraction   

        C- Scattering and absorption

 

Q7. The following percentage is recommended as forward overlap (end lap)

       A- 5-15%                                 B- 20-40%                                  C- 50-60%

 

Q8. The following are problems encounter in aerial photographs

       A- Color and shading       B- Tilt and relief displacement    

       C-Camera and height

 

Q9.  Mosaic can be defined as:

        A- Overlapped maps   B- Overlapped papers              C- Overlapped photos

 

Q10.  A hardcopy photograph can be converted to digital copy by:

          A- Copier                                  B- Printer                          C- Scanner

 

Q11. The followings are common format for remote sensing imagery

         A- DOC, XLS, WKS       B- BIP, BIL, BSQ           C- PPT, WAV, MOV

 

 

 

Q12.  Orthophoto can be defined as:

        A- Overlapped maps      B- corrected photos              C- Overlapped photos

 

Q13. To obtain 3D from aerial photographs, we must have:

         A- A lens              B- Stereo-pair               C- Aero-plane

 

Q14. Relief displacement which is encountered in aerial photographs is due to:

       A- Color of objects            B- Wind direction                   C- Height of objects

Q15. The followings are used as indicators in photo interpretation:

      A- Shape, size, color     B- length, width, diameter      C- Number of Bands

 

Section B

 

Q16. List the types of data that can be derived from an aerial photograph

 

Q17. List Five (5) remote sensing web sites

Q18: Define photo interpretation and list its main indicators 

Q19. Draw a figure showing the main components of aerial camera

Q20. Compare between photographic and electronic (digital) images

Q21. You are required to map Abu Dhabi by aerial photographs, list all the  necessary steps (Hint: flight plan details), illustrate by figures

Q22. Discuss briefly how to use aerial photography to study desertification creep in the UAE