G. Uma

490 total citations
18 papers, 390 citations indexed

About

G. Uma is a scholar working on Astronomy and Astrophysics, Geophysics and Aerospace Engineering. According to data from OpenAlex, G. Uma has authored 18 papers receiving a total of 390 indexed citations (citations by other indexed papers that have themselves been cited), including 17 papers in Astronomy and Astrophysics, 11 papers in Geophysics and 9 papers in Aerospace Engineering. Recurrent topics in G. Uma's work include Ionosphere and magnetosphere dynamics (17 papers), Earthquake Detection and Analysis (11 papers) and GNSS positioning and interference (9 papers). G. Uma is often cited by papers focused on Ionosphere and magnetosphere dynamics (17 papers), Earthquake Detection and Analysis (11 papers) and GNSS positioning and interference (9 papers). G. Uma collaborates with scholars based in India, Taiwan and Japan. G. Uma's co-authors include P. S. Brahmanandam, D. S. V. V. D. Prasad, K. Niranjan, P. V. S. Rama Rao, Yen‐Hsyang Chu, S. Gopi Krishna, Jann‐Yenq Liu, N.S.M.P. Latha Devi, Yoshihiro Kakinami and Chien‐Hung Lin and has published in prestigious journals such as Journal of Geophysical Research Atmospheres, International Journal of Remote Sensing and Sustainability.

In The Last Decade

G. Uma

17 papers receiving 376 citations

Peers — A (Enhanced Table)

Peers by citation overlap · career bar shows stage (early→late) cites · hero ref

Name h Career Trend Papers Cites
G. Uma India 8 359 219 210 87 53 18 390
Man-Lian Zhang China 13 416 1.2× 257 1.2× 286 1.4× 66 0.8× 83 1.6× 19 450
Christopher Bridgwood United States 9 402 1.1× 211 1.0× 163 0.8× 96 1.1× 74 1.4× 11 413
Nobuki Kotake Japan 5 417 1.2× 209 1.0× 359 1.7× 41 0.5× 76 1.4× 6 488
Prayitno Abadi Indonesia 10 389 1.1× 230 1.1× 166 0.8× 89 1.0× 55 1.0× 32 412
S. Ray India 13 485 1.4× 286 1.3× 233 1.1× 148 1.7× 74 1.4× 28 510
Wen‐Hao Yeh Taiwan 11 266 0.7× 182 0.8× 119 0.6× 77 0.9× 40 0.8× 29 370
Jens Mielich Germany 13 458 1.3× 221 1.0× 277 1.3× 63 0.7× 120 2.3× 37 489
Anthony M. McCaffrey Canada 11 394 1.1× 236 1.1× 257 1.2× 100 1.1× 72 1.4× 18 436
N.K. Sethi India 15 473 1.3× 286 1.3× 255 1.2× 95 1.1× 63 1.2× 36 481
Chris Watson Canada 12 395 1.1× 154 0.7× 283 1.3× 54 0.6× 101 1.9× 21 432

Countries citing papers authored by G. Uma

Since Specialization
Citations

This map shows the geographic impact of G. Uma's research. It shows the number of citations coming from papers published by authors working in each country. You can also color the map by specialization and compare the number of citations received by G. Uma with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites G. Uma more than expected).

Fields of papers citing papers by G. Uma

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by G. Uma. Nodes represent research fields, and links connect fields that are likely to share authors. Colored nodes show fields that tend to cite the papers produced by G. Uma. The network helps show where G. Uma may publish in the future.

Co-authorship network of co-authors of G. Uma

This figure shows the co-authorship network connecting the top 25 collaborators of G. Uma. A scholar is included among the top collaborators of G. Uma based on the total number of citations received by their joint publications. Widths of edges represent the number of papers authors have co-authored together. Node borders signify the number of papers an author published with G. Uma. G. Uma is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

18 of 18 papers shown
1.
Brahmanandam, P. S., et al.. (2023). Doppler Sodar Measured Winds and Sea Breeze Intrusions over Gadanki (13.5° N, 79.2° E), India. Sustainability. 15(16). 12167–12167. 1 indexed citations
2.
Uma, G., P. S. Brahmanandam, D. S. V. V. D. Prasad, et al.. (2019). Ionospheric responses to the 21 August 2017 great American solar eclipse – A multi-instrument study. Advances in Space Research. 65(1). 74–85. 6 indexed citations
3.
Uma, G., et al.. (2018). A complete solar cycle (2006–2016) studies of scale heights derived using COSMIC radio occultation retrieved electron density profiles. Journal of Atmospheric and Solar-Terrestrial Physics. 182. 101–118. 5 indexed citations
4.
Uma, G., et al.. (2017). Daytime VHF amplitude scintillations recorded at an Indian low-latitude station, Waltair (17.7°N, 83.3°E) during 1997–2003. Advances in Space Research. 61(7). 1736–1743. 2 indexed citations
5.
Brahmanandam, P. S., G. Uma, & Tarun Kumar Pant. (2017). Ionosphere VHF scintillations over Vaddeswaram (Geographic Latitude 16.31°N, Geographic Longitude 80.30°E, Dip 18°N), a latitude Indian station – A case study. Advances in Space Research. 60(8). 1688–1697. 3 indexed citations
6.
Uma, G., P. S. Brahmanandam, & Yen‐Hsyang Chu. (2016). A long-term study on the deletion criterion of questionable electron density profiles caused by ionospheric irregularities – COSMIC radio occultation technique. Advances in Space Research. 57(12). 2452–2463. 17 indexed citations
7.
Brahmanandam, P. S., et al.. (2016). Studies of Two Important Stability Indices of Earth’s Atmosphere Determined by using the COSMIC GPS Radio Occultation Technique. Indian Journal of Science and Technology. 9(38).
8.
Brahmanandam, P. S., et al.. (2014). Planetary-scale wave structures of the earth’s atmosphere revealed from the COSMIC observations. Journal of Meteorological Research. 28(2). 281–295. 2 indexed citations
9.
10.
Brahmanandam, P. S., G. Uma, Jann‐Yenq Liu, et al.. (2012). Global S4 index variations observed using FORMOSAT‐3/COSMIC GPS RO technique during a solar minimum year. Journal of Geophysical Research Atmospheres. 117(A9). 71 indexed citations
11.
12.
Brahmanandam, P. S., et al.. (2011). A global comparative study on the ionospheric measurements between COSMIC radio occultation technique and IRI model. Journal of Geophysical Research Atmospheres. 116(A2). n/a–n/a. 42 indexed citations
13.
Brahmanandam, P. S., et al.. (2011). Vertical and longitudinal electron density structures of equatorial E- and F-regions. Annales Geophysicae. 29(1). 81–89. 15 indexed citations
14.
Uma, G., P. S. Brahmanandam, Yoshihiro Kakinami, et al.. (2011). Ionospheric responses to two large geomagnetic storms over Japanese and Indian longitude sectors. Journal of Atmospheric and Solar-Terrestrial Physics. 74. 94–110. 20 indexed citations
15.
Rao, P. V. S. Rama, K. Niranjan, D. S. V. V. D. Prasad, S. Gopi Krishna, & G. Uma. (2006). On the validity of the ionospheric pierce point (IPP) altitude of 350 km in the Indian equatorial and low-latitude sector. Annales Geophysicae. 24(8). 2159–2168. 146 indexed citations
16.
Prasad, D. S. V. V. D., P. V. S. Rama Rao, G. Uma, S. Gopi Krishna, & Katta Venkateswarlu. (2005). Geomagnetic activity control on VHF scintillations over an Indian low latitude station, Waltair (17.7‡N, 83.3‡E, 20‡N dip). Journal of Earth System Science. 114(4). 437–441. 3 indexed citations
17.
Prasad, D. S. V. V. D., et al.. (2004). Multi-station Studies on Spread-F and VHF Scintillations in the Indian Sector. Terrestrial Atmospheric and Oceanic Sciences. 15(4). 667–667. 7 indexed citations
18.
Niranjan, K., et al.. (2003). Post midnight spread-F occurrence over Waltair (17.7° N, 83.3° E) during low and ascending phases of solar activity. Annales Geophysicae. 21(3). 745–750. 22 indexed citations

Rankless uses publication and citation data sourced from OpenAlex, an open and comprehensive bibliographic database. While OpenAlex provides broad and valuable coverage of the global research landscape, it—like all bibliographic datasets—has inherent limitations. These include incomplete records, variations in author disambiguation, differences in journal indexing, and delays in data updates. As a result, some metrics and network relationships displayed in Rankless may not fully capture the entirety of a scholar's output or impact.

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