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Fiber optic distributed temperature sensing for the determination of the nocturnal atmospheric boundary layer height


Authors: Keller, C. A.
Owners: CTEMPs OSU-UNR
Resource type:Composite Resource
Created:Apr 01, 2018 at 6:34 p.m.
Last updated: Apr 09, 2018 at 6:15 p.m. by CTEMPs OSU-UNR

Abstract

A new method for measuring air temperature profiles in the atmospheric boundary layer at high spatial and temporal resolution is presented. The measurements are based on Raman scattering distributed temperature sensing (DTS) with a fiber optic cable attached to a tethered balloon. These data were used to estimate the height of the stable nocturnal boundary layer. The experiment was successfully
deployed during a two-day campaign in September 2009, providing evidence that DTS is well suited for this atmospheric application. Observed stable temperature profiles exhibit an exponential shape confirming similarity concepts of the temperature inversion close to the surface. The atmospheric mixing height (MH) was estimated to vary between 5 m and 50 m as a result of the nocturnal boundary layer evolution. This value is in good agreement with the MH derived from concurrent Radon-222 (222Rn) measurements and in previous studies.

Raw project data is available by contacting ctemps@unr.edu

Subject Keywords

Raman,atmospheric boundary layer,air temperature,CTEMPs,DTS,fiber optic

How to cite

Keller, C. A. (2018). Fiber optic distributed temperature sensing for the determination of the nocturnal atmospheric boundary layer height, HydroShare, http://www.hydroshare.org/resource/2a7e7ca4ab7c426dbdac3a220fb72a91

This resource is shared under the Creative Commons Attribution CC BY.

 http://creativecommons.org/licenses/by/4.0/
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Name Organization Address Phone Author Identifiers
Keller, C. A.

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