Search Results - "PATHAN, B. M"

TEC variations during low solar activity period (2005―2007) near the Equatorial Ionospheric Anomaly Crest region in India by BAGIYA, Mala S, JOSHI, H. P, IYER, K. N, AGGARWAL, M, RAVINDRAN, S, PATHAN, B. M

“…The dual frequency signals from the GPS satellites recorded at Rajkot (22.29° N, 70.74° E, Geographic, 14.03° N Geomagnetic) near the Equatorial ionization…”
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Low-latitude ionospheric-thermospheric response to storm time electrodynamical coupling between high and low latitudes by Bagiya, Mala S., Iyer, K. N., Joshi, H. P., Thampi, Smitha V., Tsugawa, Takuya, Ravindran, Sudha, Sridharan, R., Pathan, B. M.

“…Using multi‐instrumental and multistation data, we present low‐latitude ionospheric‐thermospheric behavior during the geomagnetic storm of 15 May 2005. The…”
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On the UT and seasonal variations of the standard and SuperMAG auroral electrojet indices by Singh, Anand K., Rawat, R., Pathan, B. M.

“…The standard auroral electrojet (AE) indices are based on magnetic disturbance data from 10 to 12 northern auroral observatories. Recently, Newell and Gjerloev…”
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Extreme changes in the equatorial electrojet under the influence of interplanetary electric field and the associated modification in the low-latitude F region plasma distribution by Thampi, Smitha V., Chakrabarty, D., Pathan, B. M., Prabhakaran Nayar, S. R., Kumar Pant, Tarun

“…A case of the drastic effects of an eastward prompt penetration and a westward overshielding electric field successively affecting the daytime equatorial…”
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Inorganic and organic phosphorus fertilizer effects on the phosphorus fractionation in wetland rice soils by Saleque, M.A, Naher, U.A, Islam, A, Pathan, A.B.M.B.U, Hossain, A.T.M.S, Meisner, C.A

“…Long-term effects of rice (Oryza sativa L.) cultivation with varying nutrient management on soil P fraction are important to understand from soil nutritional…”
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Evidence for OI 630.0 nm dayglow variations over low latitudes during onset of a substorm by Chakrabarty, D., Sekar, R., Sastri, J. H., Pathan, B. M., Reeves, G. D., Yumoto, K., Kikuchi, T.

“…Observations of OI 630.0 nm dayglow intensity from Mt. Abu (magnetic latitude (MLAT): 16.2°N; magnetic longitude (MLONG): 148°E) at two different directions…”
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Storm-time longitudinally propagating asymmetric modes at low latitudes by SINGH, A. K, SINHA, A. K, RAJARAM, R, PATHAN, B. M

“…The westward flowing toroidal ring current at about 2–7 RE in the Earth's equatorial plane consists of symmetric and asymmetric parts. Zonal mean of H…”
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Geomagnetic pulsation over conjugate locations during geomagnetic storms and substorm by Selvamurugan, Raman, Pathan, B.M., Hanchinal, A.N., Dhar, A.

“…Geomagnetic data collected during magnetic storm over magnetically conjugate pair (according to IGRF 2000) of high latitude stations viz., Maitri (70° 45′ S,…”
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Evidence for the interplanetary electric field effect on the OI 630.0 nm airglow over low latitude by Chakrabarty, D., Sekar, R., Narayanan, R., Devasia, C. V., Pathan, B. M.

“…On a geomagnetically disturbed and non‐spread F night (12 February 2004), the OI 630.0 nm airglow intensity variations recorded from Gadanki (13.5°N, 79.2°E,…”
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Instrumentation for the surface measurements of atmospheric electrical parameters at Maitri, Antarctica: First results by Panneerselvam, C., Anil Kumar, C. P., Dhar, Ajay, Nair, K. U., Selvaraj, C., Gurubaran, S., Pathan, B. M.

“…We are operating atmospheric electrical instruments like long wire antenna, electric field meter, wire antenna and passive antenna for atmospheric Maxwell…”
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Spectral characteristics of scintillations producing ionospheric irregularities in the Indian region by BANOLA, S, PATHAN, B. M, RAO, D. R. K, CHANDRA, H

“…VHF amplitude scintillations were recorded at Tirunelveli (8.7°N, 77.7°E; 0.6°N dip Latitude), Pondicherry (12°N, 79.1°E; 4.4°N dip Latitude) and Mumbai,…”
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Investigations on vertical coupling of atmospheric regions using combined multiwavelength optical dayglow, magnetic, and radio measurements by Laskar, Fazlul I., Pallamraju, Duggirala, Lakshmi, T. Vijaya, Reddy, M. Anji, Pathan, B. M., Chakrabarti, Supriya

“…Systematic investigations of optical dayglow emissions at OI 557.7, OI 630.0, and OI 777.4 nm have been carried out simultaneously over a large field of view…”
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The impact of the January 15, 2010, annular solar eclipse on the equatorial and low latitude ionospheric densities by Choudhary, R. K., St.-Maurice, J.-P., Ambili, K. M., Sunda, Surendra, Pathan, B. M.

“…The January 15, 2010, solar annular eclipse crossed the magnetic equator in the middle of the day over India, in a region instrumented with several…”
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Amplitude enhancement of SC ( H ) events in the South Atlantic anomaly region by Trivedi, N.B., Abdu, M.A., Pathan, B.M., Dutra, S.L.G., Schuch, N.J., Santos, J.C., Barreto, L.M.

“…South Atlantic Magnetic Anomaly (SAMA) due to its weak total geomagnetic field F is known to be a sink of trapped charged particles from the inner radiation…”
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A broad climatology of very high latitude substorms by Singh, Anand K., Sinha, A.K., Rawat, Rahul, Jayashree, Bulusu, Pathan, B.M., Dhar, Ajay

“…Magnetic data from a newly commissioned Indian Antarctic station Bharati (corrected geomagnetic (CGM) coordinates 74.7°S, 97.2°E) and closely-spaced IMAGE…”
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Solar flare effects on the geomagnetic elements during normal and counter electrojet periods by RASTOGI, R. G, PATHAN, B. M, RAO, D. R. K, SASTRY, T. S, SASTRI, J. H

“…The paper describes the study of solar flare effects (sfe) on horizontal (H), eastward (Y) and vertical (Z) components of the geomagnetic field at the…”
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IMF BY dependence of the extent of substorm westward electrojet by Arun, T., Dhar, Ajay, Emperumal, K., Pathan, B. M.

“…In this paper the duskward extension of the westward auroral electrojet is investigated for substorm intervals on the basis of magnetograms recorded at the…”
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Daytime equatorial geomagnetic H field response to the growth phase and expansion phase onset of isolated substorms: Case studies and their implications by Sastri, J. Hanumath, Rao, J. V. S. V., Rao, D. R. K., Pathan, B. M.

“…Observations are presented from the Indian magnetometer network (dipole latitude range 1.2°S to 13.5°N) of short‐lived (<1 hr) disturbances in the daytime…”
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Characterizations of the diurnal shapes of OI 630.0 nm dayglow intensity variations: inferences by CHAKRABARTY, D, SEKAR, R, CHANDRA, H, NARAYANANL, R, PATHAN, B. M, SUBBARAO, K. S. V

“…Measurements of OI 630.0 nm thermospheric dayglow emission by means of the Dayglow Photometer (DGP) at Mt. Abu (24.6° N, 73.7° E, dip lat 19.09° N), a station…”
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Geomagnetic coast and other effects deduced from the new observatory at Visakhapatnam, India by Srivastava, B. J., Abbas, Habiba, RamaGopal, T., Rao, D. R. K., Pathan, B. M.

“…Coastal effects observed in the long-period Sq Solar quist day ranges and short-period changes over 30min intervals during magnetic substorms (bays), as…”
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