Earth Sensing Flashcards
1
Q
What is Remote sensing and Earth Observation?
A
The science of acquiring information about the earths surface without being in contact with it
2
Q
What are the two types of sensors with examples?
A
Passive sensors that don’t emit radiation: Multispectral Sensor, Hyperspectral Sensor
Active sensors that emit radiation: LIDAR sensor, Radar Sensor
3
Q
What are the three resolution trade offs?
A
Spectral
Geometric
Temporal
4
Q
What are some EO Satellite Missions? (Optical) (7)
A
- Nasa: Landsat
- ESA: Copernicus Sentinal-2
- Digital Globe: Geo-Eye
- Planet: RapidEye/SkySat
- Sentinal-5
- DLR DESIS
- EnMAP
5
Q
What are the types of scattering?(3)
A
- Single Bounce
- Double Bounce
- Multi Directional
6
Q
What are some Radar EO Missions?(2)
A
- ESA: Copernicus Sentinel-1
- TerraSAR-X
7
Q
What are some LiDAR EO Missions?
A
- ICESat-2
- ESA: Aeolus
8
Q
What are Soma Applications of EO?
A
- Environmental monitoring
- Agriculture and Vegetation Modeling
-Disaster monitoring
- Climate change modeling
- Monitoring water balance
- mapping informal settlements
9
Q
A
