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2017-05-16

Regional and Diurnal Variations of Rain Attenuation Obtained from Measurement of Raindrop Size Distribution Over Indonesia at Ku, Ka and W Bands

By Fadli Nauval, Marzuki, and Hiroyuki Hashiguchi
Progress In Electromagnetics Research M, Vol. 57, 25-34, 2017
doi:10.2528/PIERM17030503

Abstract

The measured raindrop size distribution (DSD) and the ITU-R model have been used to elucidate the regional and diurnal variations of rain attenuation in Indonesia, for Ku-band (13.6 GHz), Ka-band (35.6 GHz), and W-band (96 GHz) frequencies. The DSDs were measured by the Parsivel disdrometer at Kototabang (KT; 100.32˚E, 0.20˚S), Padang (PD; 100:21˚E, 0:57˚S), Pontianak (PT; 109:37˚E, 0:00˚S), Manado (MN; 124:92˚E, 1:55˚N) and Biak (BK; 136:10˚E, 1:18˚S). In general, PD, KT and PT have lower rain attenuation than those at MN and BK, for the same rainfall rate, due to lower concentration of small-sized drops at these sites as reported by a previous study. Considerable differences between the attenuation obtained from the DSD and the ITU-R model are observed at all locations, in particular for very heavy rainfall (R > 50 mm/h). For R < 50 mm/h, the specific rain attenuation of measured DSD is in fairly good agreement with that obtained from the ITU-R model. The specific rain attenuation obtained from the DSD shows diurnal variation, in agreement with a previous study at KT. The diurnal variation of rain attenuation is dependent on the frequency and rainfall rate. At KT and PT, the lowest rain attenuation for Ku-band is observed during 06:00-12:00 LT, but during this period the largest attenuation is observed for Ka- and W-bands. These phenomena may be due to the increasing role of small and medium-sized drops by increasing frequency.

Citation


Fadli Nauval, Marzuki, and Hiroyuki Hashiguchi, "Regional and Diurnal Variations of Rain Attenuation Obtained from Measurement of Raindrop Size Distribution Over Indonesia at Ku, Ka and W Bands," Progress In Electromagnetics Research M, Vol. 57, 25-34, 2017.
doi:10.2528/PIERM17030503
http://www.jpier.org/PIERM/pier.php?paper=17030503

References


    1. Moupfouma, F. and L. Martin, "Modelling of the rainfall rate cumulative distribution for the design of satellite and terrestrial communication systems," Int. J. Satellite Commun., Vol. 13, 105-115, 1995.
    doi:10.1002/sat.4600130203

    2. Marzuki, H. Hashiguchi, T. Shimomai, and W. L. Randeu, "Cumulative distributions of rainfall rate over Sumatra," Progress In Electromagnetics Research M, Vol. 49, 1-8, 2016.
    doi:10.2528/PIERM16043007

    3. Manabe, T., T. Ihara, J. Awaka, and Y. Furuhama, "The relationship of raindrop-size distribution to attenuation experiments at 50, 80, 140, and 240 GHz," IEEE Trans. Antennas Propag., Vol. 35, 1326-1330, 1987.
    doi:10.1109/TAP.1987.1144005

    4. Yeo, T. S., P. S. Kooi, M. S. Leong, and S. S. Ng, "Microwave attenuation due to rainfall at 21.225 GHz in the Singapore environment," Electron. Lett., Vol. 26, No. 14, 1021-1022, 1990.
    doi:10.1049/el:19900661

    5. Yeo, T. S., P. S. Kooi, and M. S. Leong, "A two-year measurement of rainfall attenuation of CW microwaves in Singapore," IEEE Trans. Antennas Propag., Vol. 41, No. 6, 709-712, 1993.
    doi:10.1109/8.250446

    6. Zhou, Z. X., L. W. Li, T. S. Yeo, and M. S. Leong, "Analysis of experimental results on microwave propagation in Singapore's tropical rainfall environment," Microwave Opt. Technol. Lett., Vol. 21, No. 6, 470-473, 1999.
    doi:10.1002/(SICI)1098-2760(19990620)21:6<470::AID-MOP19>3.0.CO;2-5

    7. Obiyemi, O. O., J. S. Ojo, and T. S. Ibiyemi, "Performance analysis of rain rate models for microwave propagation designs over tropical climate," Progress In Electromagnetics Research M, Vol. 39, 115-122, 2014, doi:10.2528/PIERM14083003.
    doi:10.2528/PIERM14083003

    8. Aldrian, E. and R. D. Susanto, "Identification of three dominant rainfall regions within Indonesia and their relationship to sea surface temperature," Int. J. of Climatology, Vol. 23, No. 12, 1435-1452, 2003.
    doi:10.1002/joc.950

    9. Marzuki, T. Kozu, T. Shimomai, W. L. Randeu, H. Hashiguchi, and Y. Shibagaki, "Diurnal variation of rain attenuation obtained from measurement of raindrop size distribution in equatorial Indonesia," IEEE Trans. Antennas Propag., Vol. 57, No. 4, 1191-1196, 2009.
    doi:10.1109/TAP.2009.2015812

    10. Marzuki, H. Hashiguchi, M. K. Yamamoto, S. Mori, and M. D. Yamanaka, "Regional variability of raindrop size distribution over Indonesia," Ann. Geophys., Vol. 31, 1941-1948, 2013, doi:10.5194/angeo-31-1941-2013.
    doi:10.5194/angeo-31-1941-2013

    11. Fiebig, U.-C. and C. Riva, "Impact of seasonal and diurnal variations on satellite system design in V band," IEEE Trans. Antennas Propag., Vol. 52, No. 4, 923-932, 2004.
    doi:10.1109/TAP.2004.825650

    12. Kozu, T., K. K. Reddy, S. Mori, M. Thurai, J. T. Ong, D. N. Rao, and T. Shimomai, "Seasonal and diurnal variations of raindrop size distribution in Asian Monsoon Region," J. Meteor. Soc. Japan. Ser. II, Vol. 84A, 195-209, 2006.
    doi:10.2151/jmsj.84A.195

    13. Radiowave Propagation Series, I.T.U., "Specific attenuation model for rain for use in prediction methods," Recommendation ITU-R P.838-3, International Telecommunications Union, Geneva, 2005.

    14. Hou, A. Y., R. K. Kakar, S. Neeck, A. A. Azarbarzin, C. D. Kummerow, M. Kojima, R. Oki, K. Nakamura, and T. Iguchi, "The global precipitation measurement mission," Bull. Amer. Meteor. Soc., Vol. 95, 701-722, 2014, doi: 10.1175/BAMS-D-13-00164.1.
    doi:10.1175/BAMS-D-13-00164.1

    15. Illingworth, A. J., H. W. Barker, A. A. Beljaars, M. M. Ceccaldi, H. H. Chepfer, N. N. Clerbaux, J. J. Cole, J. J. Delano, C. C. Domenech, D. P. Donovan, S. S. Fukuda, M. M. Hirakata, R. J. Hogan, A. A. Huenerbein, P. P. Kollias, T. T. Kubota, T. T. Nakajima, T. Y. Nakajima, T. T. Nishizawa, Y. Y. Ohno, H. H. Okamoto, R. R. Oki, K. K. Sato, M. M. Satoh, M. W. Shephard, A. A. Velzquez-Blzquez, U. U. Wandinger, T. T. Wehr, and G. J. van Zadelhoff, "The EarthCARE satellite: The next step forward in global measurements of clouds, aerosols, precipitation, and radiation," Bull. Amer. Meteor. Soc., Vol. 96, 1311-1332, 2015, doi: 10.1175/BAMS-D-12-00227.1.
    doi:10.1175/BAMS-D-12-00227.1

    16. Bohren, C. F. and D. R. Huffman, Absorption and Scattering of Light by Small Particles, John Wiley & Sons, Inc, 1983.

    17. Mätzler, C., "MATLAB functions for Mie scattering and absorption Version 2," IAP Research Report No. 2002-11, Institut für angewandte Physik, Universität Bern, 2002.

    18. Liebe, H. J., G. A. Hufford, and T. Manabe, "A model for the complex permittivity of water at frequencies below 1 THz," Int. J. Infrared and Millimeter Waves, Vol. 12, 659-674, 1991.
    doi:10.1007/BF01008897

    19. Lee, G. and I. Zawadzki, "Variability of drop size distributions: Noise and noise filtering in disdrometric data," J. Applied Meteorology, Vol. 44, 634-652, 2005.
    doi:10.1175/JAM2222.1