What question did this study set out to answer?

To assess the performance of a pulsed coherent CO2 differential absorption lidar (DIAL) system for measuring range-resolved atmospheric water vapor profiles and radial wind velocity.

August 1, 1984Applied Optics

Coherent DIAL measurement of range-resolved water vapor concentration

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Authors

RHR. Michael HardestyRoyal Netherlands Meteorological Institute

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Implication

Field evaluation demonstrates range-resolved water vapor and wind measurements in the atmosphere, highlighting coherent lidar capabilities for extended profiling.

Key Points

To assess the performance of a pulsed coherent CO2 differential absorption lidar (DIAL) system for measuring range-resolved atmospheric water vapor profiles and radial wind velocity.
Deployed a pulsed coherent CO2 differential absorption lidar (DIAL) system over horizontal paths up to 10 km and elevated paths up to 6 km.
Benchmarked lidar moisture profile observations against nearby operational rawinsonde balloon soundings.
Lidar measurements agreed well overall with rawinsonde profiles, although the optical system displayed a systematic tendency to overestimate water vapor levels relative to the sonde.
Measurement uncertainties stemmed chiefly from speckle, quantum noise, and atmospheric nonstationarity.
Coherent detection enabled retrieval of radial wind velocity data at ranges exceeding the maximum reach of water vapor concentration measurements.

Cite This Study

R. Michael Hardesty (1984) studied this question.

synapsesocial.com/papers/6a7508940b1b00a0ee092482 https://doi.org/10.1364/ao.23.002545

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Implication

Field evaluation demonstrates range-resolved water vapor and wind measurements in the atmosphere, highlighting coherent lidar capabilities for extended profiling.

Coherent DIAL measurement of range-resolved water vapor concentration

Discussion

Member takes

Implication

Key Points

Cite This Study

Coherent DIAL measurement of range-resolved water vapor concentration

Discussion

Member takes

Implication

Key Points

Cite This Study

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