Boundary-layer flow over complex topography

J Finnigan, K Ayotte, I Harman, G Katul… - Boundary-Layer …, 2020 - Springer
We review developments in the field of boundary-layer flow over complex topography,
focussing on the period from 1970 to the present day. The review follows two parallel …

Generalizing Monin-Obukhov similarity theory (1954) for complex atmospheric turbulence

I Stiperski, M Calaf - Physical Review Letters, 2023 - APS
Monin-Obukhov similarity theory (MOST) forms the basis for parametrizations of turbulent
exchange in virtually all numerical models of atmospheric flows. Yet, its limitations to flat and …

Machine learning for improving surface-layer-flux estimates

T McCandless, DJ Gagne, B Kosović, SE Haupt… - Boundary-Layer …, 2022 - Springer
Flows in the atmospheric boundary layer are turbulent, characterized by a large Reynolds
number, the existence of a roughness sublayer and the absence of a well-defined viscous …

CROSSINN: a field experiment to study the three-dimensional flow structure in the Inn valley, Austria

B Adler, A Gohm, N Kalthoff, N Babić… - Bulletin of the …, 2021 - journals.ametsoc.org
While the exchange of mass, momentum, moisture, and energy over horizontally
homogeneous, flat terrain is mostly driven by vertical turbulent mixing, thermally and …

[HTML][HTML] Decreasing wind speed extrapolation error via domain-specific feature extraction and selection

D Vassallo, R Krishnamurthy… - Wind Energy …, 2020 - wes.copernicus.org
Abstract Model uncertainty is a significant challenge in the wind energy industry and can
lead to mischaracterization of millions of dollars' worth of wind resources. Machine learning …

Turbulence behaviors underlying the sensible heat and water vapor flux dissimilarity in a stably stratified flow

X Guo, W Yang, J Hong, L Wang, Z Gao… - Environmental Fluid …, 2023 - Springer
Based on eddy-covariance measurements over a glacier, we investigate the scalar flux
dissimilarity between sensible heat and water vapor transport in a stably stratified flow. The …

Comparison of turbulent structures and energy fluxes over exposed and debris-covered glacier ice

L Nicholson, I Stiperski - Journal of Glaciology, 2020 - cambridge.org
We present the first direct comparison of turbulence conditions measured simultaneously
over exposed ice and a 0.08 m thick supraglacial debris cover on Suldenferner, a small …

Anisotropy of unstably stratified near-surface turbulence

I Stiperski, M Chamecki, M Calaf - Boundary-Layer Meteorology, 2021 - Springer
Abstract Classic Monin–Obukov similarity scaling states that in a stationary, horizontally
homogeneous flow, in the absence of subsidence, turbulence is dictated by the balance …

On the turbulence structure of deep katabatic flows on a gentle mesoscale slope

I Stiperski, AAM Holtslag, M Lehner… - Quarterly Journal of …, 2020 - Wiley Online Library
A comprehensive analysis of the turbulence structure of relatively deep midlatitude katabatic
flows (with jet maxima between 20 and 50 m) developing over a gentle (1°) mesoscale slope …

Flux‐gradient relations and their dependence on turbulence anisotropy

S Mosso, M Calaf, I Stiperski - Quarterly Journal of the Royal …, 2024 - Wiley Online Library
Monin–Obukhov similarity theory (MOST) is used in virtually all Earth System Models to
parametrize the near‐surface turbulent exchanges and mean variable profiles. Despite its …