Quantifying small-scale anisotropy in turbulent flows

S Chowdhuri, T Banerjee - Physical Review Fluids, 2024 - APS
The verification of whether small-scale turbulence is isotropic remains a grand challenge.
The difficulty arises because the presence of small-scale anisotropy is tied to the dissipation …

[HTML][HTML] Coherent structures detection within a dense Alpine forest

IM Cely-Toro, L Mortarini, CQ Dias-Júnior… - Agricultural and Forest …, 2023 - Elsevier
The influence of coherent vortices on the turbulence structure above and below a dense
plant canopy is investigated using turbulence measurements collected at five levels on top …

Turbulence regimes in the stable boundary layer above and within the Amazon forest

CQ Dias-Júnior, LDA Sá, EP Marques Filho… - Agricultural and Forest …, 2017 - Elsevier
The structure of atmospheric turbulence is analyzed based on the existence of three different
night-time turbulent regimes observed in the Amazon forest, classified according to Sun's …

Explaining the convector effect in canopy turbulence by means of large-eddy simulation

T Banerjee, F De Roo, M Mauder - Hydrology and Earth System …, 2017 - hess.copernicus.org
Semi-arid forests are found to sustain a massive sensible heat flux in spite of having a low
surface to air temperature difference by lowering the aerodynamic resistance to heat transfer …

Is there a classical inertial sublayer over the amazon forest?

CQ Dias‐Júnior, NL Dias… - Geophysical …, 2019 - Wiley Online Library
On the basis of measurements over different surfaces, an inertial sublayer (ISL), where
Monin‐Obukhov Similarity Theory applies, exists above z= 3 h, where h is canopy height …

Air turbulence characteristics at multiple sites in and above the Amazon rainforest canopy

RA Santana, CQ Dias-Júnior, JT da Silva… - Agricultural and Forest …, 2018 - Elsevier
Atmospheric turbulence characteristics within and above rain forest canopies are
investigated at several sites located in the Amazon region of Brazil. Turbulence data …

[HTML][HTML] Turbulent transport of energy across a forest and a semiarid shrubland

T Banerjee, P Brugger, F De Roo… - Atmospheric …, 2018 - acp.copernicus.org
The role of secondary circulations has recently been studied in the context of well-defined
surface heterogeneity in a semiarid ecosystem where it was found that energy balance …

A scale-wise analysis of intermittent momentum transport in dense canopy flows

S Chowdhuri, K Ghannam, T Banerjee - Journal of Fluid Mechanics, 2022 - cambridge.org
We investigate the intermittent dynamics of momentum transport and its underlying time
scales in the near-wall region of the neutrally stratified atmospheric boundary layer in the …

Interaction between cloud–radiation, atmospheric dynamics and thermodynamics based on observational data from GoAmazon 2014/15 and a cloud-resolving model

LJM Gonçalves, S Coelho, PY Kubota… - … Chemistry and Physics, 2022 - acp.copernicus.org
Observational meteorological data from the field experiment GoAmazon 2014/15 and data
from numerical simulations with the cloud-resolving model (CRM) called the System for …

Characterizing turbulence structures in convective and neutral atmospheric boundary layers via Koopman mode decomposition and unsupervised clustering

M Rezaie, M Momen - Physics of Fluids, 2024 - pubs.aip.org
The atmospheric boundary layer (ABL) is a highly turbulent geophysical flow, which has
chaotic and often too complex dynamics to unravel from limited data. Characterizing …