Zobrazeno 1 - 10
of 46
pro vyhledávání: '"R. L. Davidson"'
Publikováno v:
Koedoe: African Protected Area Conservation and Science, Vol 4, Iss 1, Pp 31-44 (1961)
Calibration of the belt transect method in Combretum Woodland in the Kruger National Park
Externí odkaz:
https://doaj.org/article/72297838460a4505a0a6734f5fdea255
Autor:
Alexa Halford, R. L. Davidson, Gregory Earle, Jeffrey Klenzing, J.M. Smith, Stephen Noel, Carlos Martinis, K. Zawdie, Nikolaos Paschalidis, E. F. Robertson, Sarah Jones, R. F. Pfaff
Publikováno v:
Advances in Space Research. 66:107-115
The mid- and low-latitude ionosphere is home to a variety of plasma density irregularities, including depletions (bubbles), enhancements (blobs), and small-scale scintillation. Previous studies of plasma density enhancements observed using ROCSAT dat
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ccf7862f99aaac132ed75fe133d5fec2
https://doi.org/10.1016/j.asr.2019.12.013
https://doi.org/10.1016/j.asr.2019.12.013
A few friends from the big US space place, and two places where people get lots of learning, have started putting together a tiny flying box. This box will look at the tiny bits we can not see in t...
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::574c34a09473eab667a655ca051d365b
https://doi.org/10.1002/essoar.10504842.1
https://doi.org/10.1002/essoar.10504842.1
Publikováno v:
Electrical and Computer Engineering Faculty Publications
The Gridded Retarding Ion Drift Sensor (GRIDS) is a small sensor that will fly on the 6 U petitSat CubeSat. It is designed to measure the three-dimensional plasma drift velocity vector in the Earth's ionosphere. The GRIDS also supplies information ab
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f9570cc6834a44c9aa8395cd3cca8f54
https://digitalcommons.usu.edu/ece_facpub/229
https://digitalcommons.usu.edu/ece_facpub/229
Autor:
Christopher Bridges, R. L. Davidson
Publikováno v:
IEEE Transactions on Parallel and Distributed Systems. 29:1990-2003
Significant advances in spaceborne imaging payloads have resulted in new big data problems in the Earth Observation (EO) field. These challenges are compounded onboard satellites due to a lack of equivalent advancement in onboard data processing and
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a1a1b213469581689fbd6a6d635f06e9
https://doi.org/10.1109/tpds.2018.2812853
https://doi.org/10.1109/tpds.2018.2812853
Autor:
R. L. Davidson, Bindu B. Jagannatha, Cameron Orr, Rebecca Bishop, Lucy Fanelli, Erik Kroeker, R. V. Robertson, Daniel Martin, Gary R. Swenson, Stephen Noel, Gregory Earle, C. Fish, Alexander Ghosh, J. H. Clemmons, Sharon L. Vadas, Peter Marquis, Vidur Garg, John Westerhoff
Publikováno v:
Advances in Space Research. 56:1413-1427
The Lower Atmosphere/Ionosphere Coupling Experiment (LAICE) CubeSat mission will focus on understanding the interaction of atmospheric gravity waves generated by weather systems in the lower atmosphere with the mesosphere, lower thermosphere, and ion
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8eda9b1168fcf8b41e3e4cddff98ed83
https://doi.org/10.1016/j.asr.2015.06.036
https://doi.org/10.1016/j.asr.2015.06.036
Autor:
Christopher Bridges, R. L. Davidson
Publikováno v:
2017 IEEE Aerospace Conference.
Continual advancements in Earth Observation (EO) optical imager payloads has led to a significant increase in the volume of multispectral data generated onboard EO satellites. As a result, a growing onboard data bottleneck need to be alleviated. One
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::53404a3f5141290f5c8c7a911e45050c
https://doi.org/10.1109/aero.2017.7943817
https://doi.org/10.1109/aero.2017.7943817
Publikováno v:
Journal of Geophysical Research: Space Physics. 119:1219-1232
We present results from an analysis of high-latitude ionosphere-thermosphere (IT) coupling to the solar wind during a moderate magnetic storm which occurred on 5–6 August 2011. During the storm, a multipoint set of observations of the ionosphere an
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::029994a382e01ac7c96e7a98238a0016
https://doi.org/10.1002/2013ja019297
https://doi.org/10.1002/2013ja019297
Autor:
Roderick A. Heelis, W. R. Coley, G. D. Earle, Andrew J. Gerrard, Jonathan J. Makela, Daniel J. Fisher, R. L. Davidson, John W. Meriwether, Daniel R. Weimer
Publikováno v:
Journal of Geophysical Research: Space Physics. 118:3866-3876
[1] Thermospheric density and neutral velocity perturbations associated with three magnetic storms in the autumn season of 2011 are examined using data from the neutral wind meter (NWM) on the Communication/Navigation Outage Forecast System (C/NOFS)
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c4347d08ecde550de1405699563aa63c
https://doi.org/10.1002/jgra.50212
https://doi.org/10.1002/jgra.50212
Autor:
Sarita Venkatraman, G. D. Earle, R. A. Haaser, Jeffrey Klenzing, R. L. Davidson, Roderick A. Heelis
Publikováno v:
Journal of Geophysical Research: Space Physics. 118:2756-2764
[1] We present observations from the Coupled Ion Neutral Dynamics Investigation (CINDI) of storm time meridional winds in the neutral atmosphere near the magnetic equator at 400 km altitude. Observations near the magnetic equator in the southern geog
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6acb77a2223cc52b87add4835e5d9c55
https://doi.org/10.1002/jgra.50299
https://doi.org/10.1002/jgra.50299