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Standard Guide for Measurement of Atmospheric Wind and Turbulence Profiles by Acoustic MeansTranslate name
STANDARD published on 1.3.2022
Designation standards: ASTM D7145-22
Publication date standards: 1.3.2022
The number of pages: 10
Approximate weight : 30 g (0.07 lbs)
Country: American technical standard
Category: Technical standards ASTM
acoustic sounder, remote sensing, sodar, wind profiler, wind profiling,, ICS Number Code 17.140.99 (Other standards related to acoustics)
|Significance and Use|
5.1Sodars have found wide applications for the remote measurement of wind and turbulence profiles in the atmosphere, particularly in the gap between meteorological towers and the lower range gates of wind profiling radars. The sodars far field acoustic power is also used for refractive index calculations and to estimate atmospheric stability, heat flux, and mixed layer depth (1.1This guide describes the application of acoustic remote sensing for measuring atmospheric wind and turbulence profiles. It includes a summary of the fundamentals of atmospheric sound detection and ranging (sodar), a description of the methodology and equipment used for sodar applications, factors to consider during site selection and equipment installation, and recommended procedures for acquiring valid and relevant data.
1.2This guide applies principally to pulsed monostatic sodar techniques as applied to wind and turbulence measurement in the open atmosphere, although many of the definitions and principles are also applicable to bistatic configurations. This guide is not directly applicable to radio-acoustic sounding systems (RASS), or tomographic methods.
1.3The values stated in SI units are to be regarded as standard. No other units of measurement are included in this guide.
1.4This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use.
1.5This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.
|2. Referenced Documents|
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