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Remote Sounding
This is literally the measurement of something from afar. Since you are reading this text and you are not in contact with the paper or the monitor screen, you are performing a measurement by remote sounding.
For the atmosphere we must measure things remotely because of the large size and the difficulty of getting a large enough number of measurements to be useful. Thus we measure from the ground throughout the atmospheric column, from balloons across large horizontal distances, and look down from satellites at the atmosphere below. The key to all these measurements is the reflection, absorption, scattering and transmission of various wavelengths and the changes induced by the constituents of the atmosphere. In effect we look for the “fingerprint” of specific compounds.
The reason for the interest in these compounds in the atmosphere, even though they are present in parts per billion, is that most of the chemical and radiative properties of the atmosphere are determined by these “minor constituents” rather than the major constituents, oxygen and nitrogen with act as “inert filler” to make up the atmospheric bulk.
These minor constituents influence the atmosphere in many ways, we concentrate on three issues.
This is literally the measurement of something from afar. Since you are reading this text and you are not in contact with the paper or the monitor screen, you are performing a measurement by remote sounding.
For the atmosphere we must measure things remotely because of the large size and the difficulty of getting a large enough number of measurements to be useful. Thus we measure from the ground throughout the atmospheric column, from balloons across large horizontal distances, and look down from satellites at the atmosphere below. The key to all these measurements is the reflection, absorption, scattering and transmission of various wavelengths and the changes induced by the constituents of the atmosphere. In effect we look for the “fingerprint” of specific compounds.
The reason for the interest in these compounds in the atmosphere, even though they are present in parts per billion, is that most of the chemical and radiative properties of the atmosphere are determined by these “minor constituents” rather than the major constituents, oxygen and nitrogen with act as “inert filler” to make up the atmospheric bulk.
These minor constituents influence the atmosphere in many ways, we concentrate on three issues.
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ATMOSPHERIC MEASUREMENT TECHNIQUESno. 22 (2022): 6837-6863
semanticscholar(2020)
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