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Tuesday, May 5, 2020 | History

2 edition of Tropospheric wind profiling using radar Interferometry found in the catalog.

Tropospheric wind profiling using radar Interferometry

R. J Lataitis

Tropospheric wind profiling using radar Interferometry

(a feasibility study of a compact mobile system)

by R. J Lataitis

  • 146 Want to read
  • 28 Currently reading

Published by Wave Propagation Laboratory, U.S. Dept. of Commerce, National Oceanic and Atmospheric Administration, Enviro]nmental Research Laboratories, For sale by the National Technical Information Service in Boulder, Colo, Springfield, VA .
Written in English

    Subjects:
  • Winds -- Measurement,
  • Interferometry,
  • Doppler radar

  • Edition Notes

    StatementRichard J. Lataitis, Steven F. Clifford, Peter T. May
    SeriesNOAA technical memorandum ERL WPL -- 177, NOAA technical memorandum ERL WPL -- 177
    ContributionsClifford, S. F. 1943-, May, Peter T, Wave Propagation Laboratory
    The Physical Object
    Paginationiii, 34 p. :
    Number of Pages34
    ID Numbers
    Open LibraryOL14688178M

    The Atmospheric Profiling Group in ISF operates boundary layer wind profilers as part of the Integrated Sounding System (ISS) (Parsons et al ). They can be deployed at fixed land sites, or as part of MISS (Mobile ISS) for rapid deployment, or at sea on research ships. Integrated satellite interferometry: Tropospheric noise, GPS estimates and implications for interferometric synthetic aperture radar products. Simon Williams. Search for more papers by this author. Reduction in tropospheric noise increases with increasing number of measurement points and increasing accuracy up to a maximum of.

    The main limitations of standard nadir-looking radar altimeters have been knownfor long. They include the lack of coverage (intertrack distance of typically km for theT/P / Jason tandem), and the spatial resolution (typically 2 km for T/P and Jason), expectedto be a limiting factor for the determination of mesoscale phenomena in deep ocean. In thiscontext, various solutions using off-nadir. The book is divided into six parts which cover the topics of tropospheric aerosols and clouds, Lidar in space, wind, water vapor, troposheric trace gases and plumes, and stratospheric and mesospheric profiling. As a supplement to fundamental LIDAR textbooks this volume may serve as a guide through the blossoming field of modern Lidar techniques.

    A three-frequency radiometer is of course required; however, using external data such as SSMI or numerical weather prediction analysis to improve the wet tropospheric correction may be considered, especially at low latitudes and in the middle of large storms where the errors can reach more than 2 cm more than 20 % of the time (see Section IIb). The Doppler Radar Wind Profilers (DRWP) page will appear as shown in Figure 9. Currently, the page has the terminology of the old MHz DRWP instrument, but the site will be updated in to reflect the MHz Tropospheric Doppler Radar Wind Profiler description. This will not prevent the user from accessing the data from.


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Tropospheric wind profiling using radar Interferometry by R. J Lataitis Download PDF EPUB FB2

Tropospheric wind profiling using radar "Interferometry": (a feasibility study of a compact mobile system). Wind measurements in the near field of the radar are demonstrated to be both possible and accurate by comparison with co-located radiosondes.

Quality control procedures producing winds of sufficient accuracy for presentation to forecasters and ingestion into global numerical weather prediction models are by: 3. the radar electronics rack. Antenna The traditional type of antenna used at this frequency (and lower) for radar wind profiling is the coaxial-collinear (co-co) element (see Beran and Wilfongor Law et al ), arranged in two perpendicular arrays over a ground plane.

This arrangement also uses a separate mechanical phase-File Size: KB. These use the Doppler Beam Swinging approach exclusively. The Australian Government Bureau of Meteorology has adopted a Boundary Layer wind profiling radar using. New Observations by Wind Profiling Radars in section andrespectively.

The readers are recommended to refer Hocking () for the thorough development history of the radar interferometry techniques. Further applications aiming at advanced probing of.

Lower-Troposphere. Radar Wind Profiler. System RAPTOR XBS -T Radar Wind Profiler Applications Weather forecasting Lower tropospheric studies Transmit Frequency MHz band nominal or custom. Antenna Planar hexagonal phased array using Yagi elements.

Beam Steering 6-eam oblique and 1b -vertical. Receiver. The results of the tropospheric delays estimated by GPS and InSAR are shown in Fig. 1 and Table first row of Fig. 1 shows the five differential interferograms together with the estimated best-fit profile in black-blue and the profile based on the synoptic observations in black-red.

The color changes in the profiles represent 1 h time intervals. The book is divided into six parts which cover the topics of tropospheric aerosols and clouds, lidar in space, wind, water vapor, troposheric trace gases and plumes, and stratospheric and mesospheric profiling.

The tropospheric profiling instruments at Chilbolton Observatory provide a wide range of at mospheric measurements. These in turn allow the e valuation of other quantities, of which the r adio. Abstract. This review covers recent developments in turbulence and waves pertinent to radar meteorology.

As radar techniques have become more sophisticated and Doppler radar profilers have come into widespread use, more has been learned about the use of radar as a tool in observing atmospheric turbulence and waves.

This paper presents a description of how the RIM technique has been recently implemented on the Platteville MHz tropospheric profiler, the first such implementation at UHF. Examples of data collected during a two-part experiment on 10 April using the Platteville MHz tropospheric profiler are presented.

This book has been cited by the following publications. This list is generated based on data provided by CrossRef. Strelnikov, Boris Szewczyk, Artur Strelnikova, Irina Latteck, Ralph Baumgarten, Gerd Lübken, Franz-Josef Rapp, Markus Fasoulas, Stefanos Löhle, Stefan Eberhart, Martin Hoppe, Ulf-Peter Dunker, Tim Friedrich, Martin Hedin, Jonas.

Tropospheric wind profiling using radar "Interferometry" [microform]: (a feasibility study of a compact PROFS' Doppler radar data processing system, part I [microform]: design and implementation with applica Adaptive clutter rejection filters for airborne Doppler weather radar applied to.

The ST wind profiler provides a low-cost alternative to meteorological balloon stations for wind profiling applications. Alternatively, it may be used in conjunction with a meteorological balloon station to reduce the number of costly balloon flights per day. It also has applications in rocket and space launch operations and scientific research.

The authors examine measurements of boundary layer height z i and entrainment zone thickness observed with two lidars and with a radar wind profiler during the Flatland96 Lidars in Flat Terrain experiment. Lidar backscatter is proportional to aerosol content (and some molecular scatter) in the boundary layer, and wind profiler backscatter depends on the refractive index structure (moisture.

Lataitis, S. Clifford, And P. May (): Tropospheric wind profiling using radar "interferometry" (A feasibility study of a compact mobile system), NOAA Tech. Memo. ERL WPL 34 pp. A retrieval method is developed to obtain atmospheric refractivity profiles based upon the zenith delay of single ground-based global positioning system receivers.

It is found that the key parameter in exponential wet refractivity model is the equivalent height of wet term Hw, while the errors between the integral of the wet terms of refractivity and the true values are single-peaked functions. The two-way radar phase delay, δ, in metres can be calculated from the refractivity variation along the radar LOS between the local ground elevation and the altitude of the top of the atmosphere by: (2) δ = 2 × 10 − 6 / cos θ ∫ N z d z where θ is the radar slant angle (from zenith, between 19° and 25° for ASAR IS2 image mode data.

Moisseev, D. N., E. Saltikoff and M. Leskinen, Using dual-polarization weather radar observations to improve quantitative precipitation estimation in snowfall. 8th International Symposium on Tropospheric Profiling: Integration of needs, technologies and applications, Delft, The Netherlands.

Interferometric synthetic aperture radar, abbreviated InSAR (or deprecated IfSAR), is a radar technique used in geodesy and remote geodetic method uses two or more synthetic aperture radar (SAR) images to generate maps of surface deformation or digital elevation, using differences in the phase of the waves returning to the satellite or aircraft.

KSC Tropospherice Wind Profiler Data. DM-2 Launch Postponed Until May 30 at UTC ( PM CDT) Weather information for SpaceX launch of DM-2 mission to .Tropospheric wind and humidity derived from spaceborne radar intensity and phase observations.

Geophysical Research Letters, 27(12), Hanssen, R.F., A.J. Feijt, and R. Klees. Comparison of precipitable water vapor observations by spaceborne radar interferometry andMeteosat μmradiometry. Journal of Atmospheric.[1] A novel approach to high‐resolution wind profiling is presented using spaced antenna (SA) and range imaging (RIM) simultaneously.

RIM was developed recently to improve the range resolution of pulsed radar by transmitting multiple frequencies. In this work, SA techniques are used to analyze RIM‐synthesized signals and obtain high‐resolution profiles of three‐dimensional wind field.