Question
Match the List-I with List-IILIST I
(Spectral Resolution ($\\mu$m))LIST II
(Band Utility)A. 0.841-0.876 I. Leaf-Area-index mapping B. 0.915-0.965 II. Atmospheric Water Vapour C. 1.360-1.390 III. Cirrus Clouds D. 13.185-13.485 IV. Cloud-top altitude
Choose the correct answer from the options given below:
The correct answer is
A-I, B-II, C-III, D-IV
Matching Spectral Resolution Bands to Utility
This question requires matching specific spectral resolution ranges in micrometers ($\mu$m) to their primary applications or band utilities in remote sensing and atmospheric studies.
Correct Matches
| List I (Spectral Resolution, $\mu$m) | List II (Band Utility) |
| A. 0.841-0.876 | I. Leaf-Area-index mapping |
| B. 0.915-0.965 | II. Atmospheric Water Vapour |
| C. 1.360-1.390 | III. Cirrus Clouds |
| D. 13.185-13.485 | IV. Cloud-top altitude |
Band Utility Explanations
- A. 0.841-0.876 $\mu$m: This near-infrared (NIR) spectral region is highly sensitive to vegetation properties. Variations in chlorophyll content and canopy structure directly influence reflectance, making it crucial for Leaf-Area-index mapping and assessing vegetation health.
- B. 0.915-0.965 $\mu$m: Often referred to as a water vapour absorption band in the NIR spectrum, this range exhibits significant absorption by water molecules. It is effectively used for monitoring column amounts of Atmospheric Water Vapour.
- C. 1.360-1.390 $\mu$m: This shortwave infrared (SWIR) band falls within a region of strong water absorption. It is particularly useful for detecting high-altitude, thin clouds like Cirrus Clouds, as well as sensing atmospheric water vapour.
- D. 13.185-13.485 $\mu$m: Located in the thermal infrared (TIR) spectrum, this band is strongly influenced by carbon dioxide (CO2) absorption. Its sensitivity to atmospheric temperature profiles makes it ideal for retrieving temperature information related to Cloud-top altitude.
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Important Questions from Remote Sensing - Teaching
- Given below are two statements, one labelled as Assertion (A) and other labelled as Reason (R). Select your answer from the codes given below :
Assertion (A) : Remote sensing is defined as the science and art of acquiring data about earth's objects from a distance without physical contact.
Reason (R) : The collection of data is only conducted by means of remote sensors installed in aircraft and satellite.
Codes: - Given below are two statements, one labelled as Assertion (A) and other labelled as Reason (R). Select your answer from the codes given below :
Assertion (A): Change detection in remote sensing is the process of identifying differences in the state of an object or phenomenon
Reason (R) : The use of GIS facilitates for digital change detection
Codes: - Most suitable spectral region for studying Urban Heat Island (UHI) effect is :
- Delineation of water - nonwater boundary in remote sensing is best done using :
- DEM (Digital Elevation Model) is best represented using :
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