Title: Turbulence dissipation rate estimated from lidar observations during the LAPSE-RATE field campaign

Journal Article · · Earth System Science Data (Online)
 [1]; ORCiD logo [2];  [3]; ORCiD logo [3]
  1. Univ. of Colorado, Boulder, CO (United States)
  2. Univ. of Colorado, Boulder, CO (United States); National Renewable Energy Lab. (NREL), Golden, CO (United States)
  3. Univ. of Oklahoma School of Meteorology, Norman, OK (United States); Univ. of Oklahoma Center for Autonomous Sensing and Sampling, Norman, OK (United States)
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The International Society for Atmospheric Research using Remotely-piloted Aircraft (ISARRA) hosted a flight week in July 2018 to demonstrate unmanned aircraft systems' (UASs) capabilities in sampling the atmospheric boundary layer. This week-long experiment was called the Lower Atmospheric Profiling Studies at Elevation – a Remotely-piloted Aircraft Team Experiment (LAPSE-RATE) field campaign. Numerous remotely piloted aircraft and ground-based instruments were deployed with the objective of capturing meso- and microscale phenomena in the atmospheric boundary layer. The University of Oklahoma deployed one Halo Streamline lidar, and the University of Colorado Boulder deployed two WindCube lidars. In this paper, we use data collected from these Doppler lidars to estimate turbulence dissipation rate throughout the campaign. We observe large temporal variability of turbulence dissipation close to the surface with the WindCube lidars that is not detected by the Halo Streamline. However, the Halo lidar enables estimating dissipation rate within the whole boundary layer, where a diurnal variability emerges. We also find a higher correspondence in turbulence dissipation between the WindCube lidars, which are not co-located, compared to the Halo and WindCube lidar that are co-located, suggesting a significant influence of measurement volume on the retrieved values of dissipation rate.

Research Organization:
National Renewable Energy Laboratory (NREL), Golden, CO (United States)
Sponsoring Organization:
USDOE Office of Energy Efficiency and Renewable Energy (EERE), Renewable Power Office. Wind Energy Technologies Office
Grant/Contract Number:
AC36-08GO28308
OSTI ID:
1825876
Report Number(s):
NREL/JA-5000-80333; MainId:42536; UUID:7e9afb25-049c-4e0e-b48c-6ae4d6fa7028; MainAdminID:63152
Journal Information:
Earth System Science Data (Online), Journal Name: Earth System Science Data (Online) Journal Issue: 7 Vol. 13; ISSN 1866-3516
Publisher:
Copernicus PublicationsCopyright Statement
Country of Publication:
United States
Language:
English

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