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Telecommunications and Radio Engineering

Выходит 12 номеров в год

ISSN Печать: 0040-2508

ISSN Онлайн: 1943-6009

SJR: 0.185 SNIP: 0.268 CiteScore™:: 1.5 H-Index: 22

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SEASONAL EVOLUTION OF VERTICAL PROFILE OF PRECIPITABLE WATER CONTENT AND CLOUD-BASED ATTENUATION AT EHF BAND OVER A TROPICAL LOCATION USING GBMRR

Том 79, Выпуск 14, 2020, pp. 1245-1258
DOI: 10.1615/TelecomRadEng.v79.i14.50
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Краткое описание

The seasonal evolution of vertical profiles of precipitable liquid water (PLWC) was examined in Akure in the Southwestern part of Nigeria during the onset months (OM), monsoon months (MM), and cessation months (CM). Rain rate (R) and PLWC were obtained from a ground-based K-band micro rain radar (GBMRR) sited at the Department of Physics, Federal University of Technology, Akure, Nigeria in the year 2018. The GBMRR data used are scaled vertically from 160 to 4800 m height at 30 range gates. A vertical trend PLWC has been based on the diurnal, seasonal, and monthly analysis. A cloud-based attenuation derived from attenuation along the path obtained from the K-band based on the relation with PLWC at K-V band frequencies were also analyzed using the Rayleigh approximation method. The results show that higher PLWC values with larger droplets are prevalent during the OM and CM, whereas lower values of PLWC are present in larger numbers during MM. This is attributed to the convective nature that is associated with the OM and CM. MM period is dominated by the stratiform rain type. Further results in total attenuation due to the cloud revealed that there is an increase in the attenuation as the frequency increases with higher values at the lower heights. Findings from this work would help to assess and mitigate the impact of cloud-based attenuation dynamics on the satellite communication systems link over the study area.

ЛИТЕРАТУРА
  1. Curry J.A, Ardele, C.D, and Tan, L (1990) Liquid water content and precipitation characteristics of stratiform clouds as inferred from satellite microwave measurements, Journal of Geophysical Research, 95, pp. 16659-16671.

  2. Animesh, M. and Chakraborty, S., (2009) Cloud Liquid Water Content and Cloud Attenuation Studies with Radiosonde Data at a Tropical Location, J. InfraredMilli Terahz Waves, 30, pp. 367-373.

  3. Bohren, C.F and Albert, B.A., (1998) Atmospheric Thermodynamics, Oxford University Press, ISBN 0-19-509904-4, pp. 112-123.

  4. Sakar, S.K. and Kumar, A., (2007) Recent studies on cloud and precipitation phenomena for propagation characteristics over India, India Journal of Radio & Space Physics, 36, pp 502-513.

  5. Mandeep, J.S and Hassan,S.I.S., (2008) Cloud attenuation in millimeter-wave and microwave frequencies for satellite applications over equatorial climate, Int. J. Infrared Milli Waves, 29, pp. 201.

  6. Mandeep, J.S, Ojo, J.S, and Emiliani, L.D., (2009) Statistics of annual and diurnal cloud attenuation over equatorial climate, IET Commun., 3, pp. 630-635.

  7. Yuan F., Lee, Y.H., and Meng, Y.S., (2014) Comparison of radio-sounding profiles for cloud attenuation analysis in the tropical region, IEEE Antenna Wireless Propag. Lett., pp. 259-260.

  8. Omotosho, T.V., Mandeep, J.S., and Abdullah, M., (2014) Cloud cover, cloud liquid water and cloud attenuation at Ka and V bands over equatorial climate, Meteorol. Appl., 21, pp. 777-785.

  9. Ojo, J.S., (2017) Geo-spatial distribution of cloud cover and influence of cloud induced attenuation and noise temperature on satellite signal propagation over Nigeria, Advances in Space Research, doi: http://dx.doi.org/10.1016Zj.asr.2017.03.006.

  10. Olajumoke, A., Ogunrayi, Folorunso, M. Akinseye, Goldberg, V. and Bernhofer, Ch., (2016) Descriptive analysis of rainfall and temperature trends over Akure, Nigeria, Academic Journal, Journal of Geography and Regional Planning, 9(11), pp. 195-202.

  11. Chen, Y., Liu, H., An, J., Gorsdorf, U., and Berger, F.H., (2015) A Field Experiment on the Small- Scale Variability of Rainfall Based on a Network of Micro Rain Radars and Rain Gauges, Journal of AppliedMeteorology and Climatology, 54, pp. 243-255.

  12. METEK GMBH (2014) Micro Rain Radar MRR-2 Physical Basis version 1.4. MRR Instruction Manual (Elmsborn: METEK Meteoologische Messtechnik, GMBH).

  13. Chen Yong, AN Jun-Linga, Liu Hui-Zhia, and Duan Jing, (2016) An observational study on vertical raindrop size distributions during stratiform rain in a semiarid plateau climate zone, Atmospheric and Oceanic Science Letters, 9(3), pp. 178-184.

  14. Gunn, R. and Kintzer, G., (1949) The terminal velocity of fall for water droplets in stagnant air, Journal of Meteorology, 6, pp. 243-248.

  15. Atlas, D., Srivastava, R.C., and Sekhon, R., (1973) Doppler radar characteristics of precipitation at vertical incidence, Review of Geophysics and Space Physics, 11, pp. 1-35.

  16. Peters, G., Fischer, B., Munster, H., Clemens, M., and Wagner, A., (2005) Profiles of Raindrop Size Distributions as Retrieved by Micro Rain Radars, Journal of Applied Meteorology, 44, pp. 1930-1949.

  17. Peters, G., Fischer, B., and Clemens, M., (2010) Rain attenuation of radar echoes considering finite-range resolution and using drop size distributions, J. Atmos. Ocean. Technol., 27(5), pp. 829-842.

  18. Recommendation ITU-R P.840-8, 'Attenuation due to clouds and fog', 2019.

  19. Thompson, A., (2007) Simulating the adiabatic ascent of atmospheric air parcels using cloud chamber, Department of Meteorology, Penn State, p. 121-123.

  20. Louis, J.I., (2008)Transmission Impairments, in: Satellite Communication Systems Engineering: Atmospheric Effects, Satellite Design, and System Performance, John Wiley & Sons, pp. 89-138.

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