Results 21 to 30 of about 1,860,518 (333)
Calculating canopy stomatal conductance from eddy covariance measurements, in light of the energy budget closure problem [PDF]
Biogeosciences, 2021 Canopy stomatal conductance is commonly estimated from eddy covariance measurements of the latent heat flux (LE) by inverting the Penman–Monteith equation.
R. Wehr, S. R. Saleska
doaj +1 more source
Irrigation science, 2022 Under ideal conditions, evapotranspiration (ET) fluxes derived through the eddy covariance (EC) technique are considered a direct measure of actual ET. Eddy covariance flux measurements provide estimates at a temporal frequency that allows examining sub ...
N. Bambach +9 more
semanticscholar +1 more source
Flux calculation of short turbulent events – comparison of three methods [PDF]
Atmospheric Measurement Techniques, 2017 The eddy covariance method is commonly used to calculate vertical turbulent exchange fluxes between ecosystems and the atmosphere. Besides other assumptions, it requires steady-state flow conditions.
C. Schaller, M. Göckede, T. Foken
doaj +1 more source
A performance evaluation of despiking algorithms for eddy covariance data. [PDF]
Sci Rep, 2021 AbstractSpike detection for raw high-frequency eddy covariance time series is a challenging task because of the confounding effect caused by complex dynamics and the high level of noise affecting such data. To cope with these features, a new despiking procedure rooted on robust functionals is proposed.
Vitale D.
europepmc +6 more sources
Journal of Geophysical Research: Biogeosciences, 2022 The eddy covariance method is widely used to investigate fluxes of energy, water, and carbon dioxide at landscape scales, providing important information on how ecological systems function.
Andrew M. Cunliffe +10 more
semanticscholar +1 more source
Atmosphere, 2022 Evapotranspiration is essential for precise irrigation and water resource management. Previous literature suggested that eddy covariance (EC) systems could directly measure evapotranspiration in agricultural fields.
Noman Ali Buttar +10 more
doaj +1 more source
, 2022 We present the comparison of source-partitioned CO2 flux measurements with a high-resolution urban CO2 emissions inventory (Hestia). Tower-based measurements of CO and 14C are used to partition net CO2 flux measurements into fossil and biogenic ...
Kai Wu +11 more
semanticscholar +1 more source
Technical note: Novel triple O2 sensor aquatic eddy covariance instrument with improved time shift correction reveals central role of microphytobenthos for carbon cycling in coral reef sands [PDF]
Biogeosciences, 2021 The aquatic eddy covariance technique stands out as a powerful method for benthic O2 flux measurements in shelf environments because it integrates effects of naturally varying drivers of the flux such as current flow and light.
A. Merikhi, P. Berg, M. Huettel
doaj +1 more source
Guan'gai paishui xuebao, 2021 【Background and objective】 Evapotranspiration from managed and natural ecosystems is an important process in hydrological cycle but not trivial to measure at large scales.
XIE Jing +3 more
doaj +1 more source
Predicting evapotranspiration from drone-based thermography – a method comparison in a tropical oil palm plantation [PDF]
Biogeosciences, 2021 For the assessment of evapotranspiration, near-surface airborne thermography offers new opportunities for studies with high numbers of spatial replicates and in a fine spatial resolution.
F. Ellsäßer +8 more
doaj +1 more source