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Remote sensing of the environment
EE568 / PHY523 / CS6317
Dr. Jawairia Ahmad
Centre for Water Informatics and Technology (WIT), LUMS
Lecture- 1: Remote sensing in the 21st century
Course content inspired by Dr. Bart Forman’s ENCE 689G lecture notes
Remote sensing of the environment- Spring 2022
Topics covered
1
Assignment
Supplementary video
 Syllabus
 Introduction to remote sensing
 Motivating questions
 Implications for society
 Earth observing satellite constellations
 Questionnaire
Remote sensing of the environment- Spring 2022
Syllabus
2
Course outline
Course website: https://wit.lums.edu.pk/EE568
Classroom Dos and Don'ts
- No cheating or plagiarism
- Be respectful towards the instructor and your fellow students
- No eating
- Please keep your cellphone on silent
- Please submit your assignment on time; late submissions will not be accepted
- For any queries, please avail the office hours
Remote sensing of the environment- Spring 2022
Introduction to remote sensing
3
Remote sensing:
Remote sensing is the process of detecting and monitoring the physical characteristics of an
area by measuring its reflected and emitted radiation at a distance (typically from satellite or
aircraft). Special cameras collect remotely sensed images, which help researchers "sense"
things about the Earth. (USGS)
Remote sensing is the acquiring of information from a distance..... using sensors aboard
satellites and aircraft that detect and record reflected or emitted energy. (NASA)
Image credit: NASA Earthdata
Remote sensing of the environment- Spring 2022
Motivating questions
4
Why remote sensing?
 Access to inaccessible regions
 Real-time or near real-time global information
 Global analysis
 Proxy for missing ground information
Historical perspective
 Driven by military application during WWI- airplane photography
 WWII- research and development
 Space race- USA vs. Soviet union
 First land surface satellite- LANDSAT-1 launched in July 1972
Remote sensing of the environment- Spring 2022
Implications for society
5
Clouds
Fires
Land use/ change
Photo credit: NASA
Topography
Ocean floor Agriculture
Remote sensing of the environment- Spring 2022
Earth observing satellites
6
Photo credit: NASA
Remote sensing of the environment- Spring 2022
Earth observing satellites- Pakistan
7
Pakistan Space and Upper Atmosphere Research Organization (SUPARCO)
established 1961
Testing indigenous capabilities- Badr-1 and Badr-B
Commercial use (broadcasting, broadband, Mobile Back-hauling, etc.)
PakSAT-1R
PakSAT-MM1
PakSAT-MM1R
Commercial/ Federal use
PRSS-1
PakTES-1A
Future
PRSC-EOS
Remote sensing of the environment- Spring 2022
Key concepts of remote sensing
8
Physical objects
Sensor data
Information extraction from
remotely sensed data
Applications (e.g.,
hydrology, atmospheric
analysis, vegetation,
topography
Flowchart adapted from Campbell and Wynne (2011)
Remote sensing of the environment- Spring 2022
Questionnaire
9
Please fill out the questionnaire
Remote sensing of the environment- Spring 2022
Point to ponder on ….
10
What happens to satellites after they stop working?

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Lecture1_EE568.pptx

  • 1. Remote sensing of the environment EE568 / PHY523 / CS6317 Dr. Jawairia Ahmad Centre for Water Informatics and Technology (WIT), LUMS Lecture- 1: Remote sensing in the 21st century Course content inspired by Dr. Bart Forman’s ENCE 689G lecture notes
  • 2. Remote sensing of the environment- Spring 2022 Topics covered 1 Assignment Supplementary video  Syllabus  Introduction to remote sensing  Motivating questions  Implications for society  Earth observing satellite constellations  Questionnaire
  • 3. Remote sensing of the environment- Spring 2022 Syllabus 2 Course outline Course website: https://wit.lums.edu.pk/EE568 Classroom Dos and Don'ts - No cheating or plagiarism - Be respectful towards the instructor and your fellow students - No eating - Please keep your cellphone on silent - Please submit your assignment on time; late submissions will not be accepted - For any queries, please avail the office hours
  • 4. Remote sensing of the environment- Spring 2022 Introduction to remote sensing 3 Remote sensing: Remote sensing is the process of detecting and monitoring the physical characteristics of an area by measuring its reflected and emitted radiation at a distance (typically from satellite or aircraft). Special cameras collect remotely sensed images, which help researchers "sense" things about the Earth. (USGS) Remote sensing is the acquiring of information from a distance..... using sensors aboard satellites and aircraft that detect and record reflected or emitted energy. (NASA) Image credit: NASA Earthdata
  • 5. Remote sensing of the environment- Spring 2022 Motivating questions 4 Why remote sensing?  Access to inaccessible regions  Real-time or near real-time global information  Global analysis  Proxy for missing ground information Historical perspective  Driven by military application during WWI- airplane photography  WWII- research and development  Space race- USA vs. Soviet union  First land surface satellite- LANDSAT-1 launched in July 1972
  • 6. Remote sensing of the environment- Spring 2022 Implications for society 5 Clouds Fires Land use/ change Photo credit: NASA Topography Ocean floor Agriculture
  • 7. Remote sensing of the environment- Spring 2022 Earth observing satellites 6 Photo credit: NASA
  • 8. Remote sensing of the environment- Spring 2022 Earth observing satellites- Pakistan 7 Pakistan Space and Upper Atmosphere Research Organization (SUPARCO) established 1961 Testing indigenous capabilities- Badr-1 and Badr-B Commercial use (broadcasting, broadband, Mobile Back-hauling, etc.) PakSAT-1R PakSAT-MM1 PakSAT-MM1R Commercial/ Federal use PRSS-1 PakTES-1A Future PRSC-EOS
  • 9. Remote sensing of the environment- Spring 2022 Key concepts of remote sensing 8 Physical objects Sensor data Information extraction from remotely sensed data Applications (e.g., hydrology, atmospheric analysis, vegetation, topography Flowchart adapted from Campbell and Wynne (2011)
  • 10. Remote sensing of the environment- Spring 2022 Questionnaire 9 Please fill out the questionnaire
  • 11. Remote sensing of the environment- Spring 2022 Point to ponder on …. 10 What happens to satellites after they stop working?