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Browsing by Author "Pallamraju, Duggirala"

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A brief overview on the special issue on CAWSES-India Phase II program

Pallamraju, Duggirala; Gurubaran, S.; Ratnam, Madineni Venkat (2014)
Electrodynamic influence on the diurnal behaviour of neutral daytime airglow emissions

Karan, Deepak K.; Pallamraju, Duggirala; Phadke, Kedar A.; Vijayalakshmi, Tatiparti; Pant, Tarun K.; Mukherjee, S. (2016)

The diurnal variations in daytime airglow emission intensity measurements at three wavelengths OI 777.4 nm, OI 630.0 nm, and OI 557.7 nm made from a low-latitude location, Hyderabad (17.5 N, 78.4 E; 8.9 N MLAT) in ...
Gravity waves in the thermosphere: Solar activity dependence

Laskar, Fazlul I.; Pallamraju, Duggirala; Veenadhari, B.; Lakshmi, T. Vijaya; Reddy, M. Anji; Chakrabarti, Supriya (2015)

A statistical study of the thermospheric gravity waves has been carried out using multiwavelength daytime oxygen airglow emission intensity and equatorial electrojet (EEJ) strength data, which originate from four different ...
Investigation of equatorial plasma bubbles as observed in the OI 630 nm nightglow emissions over off-equatorial and low-latitudinal locations over Indian longitudes

Saha, Sovan; Pallamraju, Duggirala; Ghodpage, Rupesh N. (2022)

Equatorial plasma bubbles (EPBs), generated over the dip-equator during the sunset time, get mapped over to the low-latitudes through the geomagnetic field lines and contribute to structures of different scales in the ...
Investigations on vertical coupling of atmospheric regions using combined multiwavelength optical dayglow, magnetic and radio measurements

Laskar, Fazlul I.; Pallamraju, Duggirala; Lakshmi, T. Vijaya; Reddy, M. Anji; Pathan, B.M.; Chakrabarti, Supriya (2013)

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 (~140°). These emission intensities are obtained during January–March ...
On the latitudinal variation in OI 630.0 nm dayglow emissions in response to the equatorial electrodynamic processes and neutral winds

Kumar, Sunil; Pallamraju, Duggirala; Suryawanshi, Pradip; Tatiparti, Vijayalakshmi; Seemala, Gopi K. (2022)

Earth’s upper atmosphere over low latitudes is influenced by the equatorial electrodynamics. Its influence can also be modulated by the thermospheric winds. The effect of these two forces on the thermospheric neutral ...
Special issue of SCOSTEP’s 15th Quadrennial Solar-Terrestrial Physics Symposium (STP-15)- Editorial

Shiokawa, Kazuo; Marsh, Daniel; Pallamraju, Duggirala; Patsourakos, Spiros; Pedatella, Nicholas; Ratnam, M. Venkat; Rozanov, Eugene; Srivastava, Nandita; Tulasiram, S. (2024)

The Scientific Committee on Solar-Terrestrial Physics (SCOSTEP, https://scostep.org/) runs the program of Predictability of the variable Solar-Terrestrial Coupling (PRESTO) in 2020–2024. The PRESTO program (https://scost ...
Vertical coupling of atmospheres: dependence on strength of sudden stratospheric warming and solar activity

Laskar, Fazlul I.; Pallamraju, Duggirala; Veenadhari, B. (2014)

Comprehensive behavior of the low-latitude upper atmosphere during sudden stratospheric warming (SSW) events at varying levels of solar activity has been investigated. The equatorial electrojet (EEJ) strength and the total ...

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