Sonic anemometer
Recovery of the three-dimensional wind and sonic temperature data from a physically deformed sonic anemometer
... A sonic anemometer has geometry information embed- ded into its operating system (OS) for internal data pro- cessing (see Appendix A), allowing output of 3-D wind and sonic ...this sonic ...
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Identification of tower-wake distortions using sonic anemometer and lidar measurements
... of sonic anemome- ter observations on the 200 m tower at the SWiFT site in Texas identified the wake of the tower frame in the increase in turbulence intensity at the sonic anemometers mounted on booms on a ...
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Estimation of turbulence dissipation rate and its variability from sonic anemometer and wind Doppler lidar during the XPIA field campaign
... from sonic anemometers and lidars might arise from the differ- ent temporal resolution and sampling volumes of the vari- ous instruments, as well as the 100 m spatial separation be- tween the lidar site and the ...
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Improvement of vertical velocity statistics measured by a Doppler lidar through comparison with sonic anemometer observations
... and sonic anemometers on a 300 m tower, the autocovariance technique is shown to gener- ally improve estimates of w 02 ...from sonic anemometer ...
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Using sonic anemometer temperature to measure sensible heat flux in strong winds
... using sonic temperature from two different CSATs and temperature from a co-located thermocouple, there are large H differences during periods of strong winds that are most obvious at night ...perfect sonic ...
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Turbulence fluxes and variances measured with a sonic anemometer mounted on a tethered balloon
... three-dimensional sonic anemometer fixed on masts and installed during three experimental campaigns between 2010 and ...three-dimensional sonic anemome- ter (CSAT, Campbell Scientific Inc, Logan, UT, ...
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A method to assess the accuracy of sonic anemometer measurements
... of sonic anemometers without a pole directly under the sonic mea- surement volume for atmospheric turbulence research, we stress here that this statement can at best be valid only for a limited wind ...
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Detection of wakes in the inflow of turbines using nacelle lidars
... Thus, we have shown how the detrimental effect of wake on nacelle lidar measurements can be mitigated. However, for the correction it was necessary to utilize the undisturbed wind direction measurements from a ...
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Assessment of virtual towers performed with scanning wind lidars and Ka-band radars during the XPIA experiment
... Abstract. During the eXperimental Planetary boundary layer Instrumentation Assessment (XPIA) campaign, which was carried out at the Boulder Atmospheric Observatory (BAO) in spring 2015, multiple-Doppler scanning strate- ...
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A Relaxed Eddy Accumulation (REA)-GC/MS system for the determination of halocarbon fluxes
... For the first test, the system switched between the updraft and downdraft reservoirs at regulated frequencies of 10, 5 and 1 Hz. A flow rate of 300 ml min −1 was used and the per- centage of “updraft” air present on the ...
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Estimation of turbulence dissipation rate from Doppler wind lidars and in situ instrumentation for the Perdigão 2017 campaign
... geneity should be considered in the evaluation of the magni- tude of correlation between the instruments. Previous stud- ies evaluating profiling lidars with the same retrieval meth- ods as presented in this study in a ...
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Impact of different eddy covariance sensors, site set-up, and maintenance on the annual balance of CO2 and CH4 in the harsh Arctic environment
... Goodrich [email protected] 603 686-4971 Key words: Arctic, eddy covariance, open-path, closed-path, sonic anemometer Highlights: Annual and summer C gas fluxes from differ[r] ...
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Performance evaluation of an all-fiber image-reject homodyne coherent Doppler wind lidar
... the sonic anemometer and ...and sonic anemometer should result in a straight line with a slope of one, passing through the ...the sonic anemometer, except in a very narrow range ...
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Overview of and first observations from the TILDAE High-Altitude Balloon Mission
... A sonic anemometer uses sound waves to measure the “sonic temperature”, which is distinct from the temperature mea- sured by traditional temperature probes ...altitude. Sonic devices are ...
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Lidar measurement of planetary boundary layer height and comparison with microwave profiling radiometer observation
... three-axis sonic anemometer, and the mean potential temperature of the BL and the potential temperature change across the entrainment zone are derived from temper- ature profiles by the microwave profiling ...
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Deconstructing, refocusing and reframing the postdramatic experience
... The seminal texts that will inform the main body of this literature scan are: Our Sonic Environment and the Tuning of the World Schafer 1994, Liveness Auslander 1999, Sonic Warfare Goodm[r] ...
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From inflammation to gastric cancer – the importance of Hedgehog/GLI signaling in Helicobacter pylori-induced chronic inflammatory and neoplastic diseases
... member sonic hedgehog (SHH) is re- quired to shape the mucosal layer but has to be tightly controlled during the development of the gastric glandu- lar epithelium [135, ...
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Naphazoline nitrate treat the Frey effect of microwave and other sonic weapon’s damages in Human’s Internal, Endogenous Organs
... We have asked the Permanent Mission of Sweden to the United Nations to introduce a new initiative on illegalization of the Sonic Weapons (Bio-acoustic deterrents) with formulation of a new International Treaty on ...
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Sonic spectrometer and treatment system
... with sonic waveforms. A traveling broad-band sonic waveform containing a broad-band of sonic frequencies is radiated at the ...reflected sonic waveform containing sonic frequencies ...
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A theoretical approximation of the shock stand off distance for the flows around a circular cylinder
... super- sonic flows. For example, the relation of the surface sonic point hence the after-shock subsonic region with free stream Mach numbers, the surface stagnation and sonic pressures, the ...
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