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Found 48 entries in the Bibliography.
Showing entries from 1 through 48
| 2022 |
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Correlations Between Giant Undulations and Plasmapause Configurations In this letter, we report the correlations between giant undulations (GUs) and plasmapause (PP) configurations based on GUs images and corresponding PP crossings of satellites between 2005 and 2019. Typically, GUs occur when the plasmasphere is eroded to form a thin and sharp PP during the storm main phase and early recovery phase. The thicknesses of the PP are usually comparable with the azimuthal wavelengths of the GUs and are smaller than the radial amplitudes of the GUs. The amplitudes and wavelengths are quasi-proporti ... Zhou, Yi-Jia; He, Fei; Yao, Zhong-Hua; Wei, Yong; Zhang, Xiao-Xin; Zhang, Yong-Liang; Published by: Geophysical Research Letters Published on: YEAR: 2022 DOI: 10.1029/2022GL098627 Ionosphere; Giant Undulations; plasmapause; plasmapause surface waves |
| 2020 |
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A new model of exospheric temperatures has been developed, with the objective of predicting global values with greater spatial and temporal accuracy. From these temperatures, the neutral densities in the thermosphere can be calculated, through use of the Naval Research Laboratory Mass Spectrometer and Incoherent Scatter radar Extended (NRLMSISE-00) model. The exospheric temperature model is derived from measurements of the neutral densities on several satellites. These data were sorted into triangular c ... Weimer, D.; Mehta, P.; Tobiska, W.; Doornbos, E.; Mlynczak, M.; Drob, D.; Emmert, J.; Published by: Space Weather Published on: 12/2019 YEAR: 2020 DOI: 10.1029/2019SW002355 |
| 2018 |
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How might the thermosphere and ionosphere react to an extreme space weather event? This chapter explores how the thermosphere and ionosphere (T-I) might respond to extreme solar events. Three different scenarios are considered: (1) an increase in solar UV and EUV radiation for a number of days, (2) an extreme enhancement in the solar X-rays and EUV radiation associated with a flare, and (3) an extreme CME driving a geomagnetic storm. Estimating the response to the first two scenarios is reasonably well defined, and although they would certainly impact the T-I system, those impacts could potentially be miti ... Fuller-Rowell, Tim; Emmert, John; Fedrizzi, Mariangel; Weimer, Daniel; Codrescu, Mihail; Pilinski, Marcin; Sutton, Eric; Viereck, Rodney; Raeder, Joachim; Doornbos, Eelco; Published by: Published on: YEAR: 2018 DOI: 10.1016/B978-0-12-812700-1.00021-2 |
| 2015 |
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Transpolar arc observation after solar wind entry into the high-latitude magnetosphere Recently, Cluster observations have revealed the presence of new regions of solar wind plasma entry at the high-latitude magnetospheric lobes tailward of the cusp region, mostly during periods of northward interplanetary magnetic field. In this study, observations from the Global Ultraviolet Imager (GUVI) experiment on board the TIMED spacecraft and Wideband Imaging Camera imager on board the IMAGE satellite are used to investigate a possible link between solar wind entry and the formation of transpolar arcs in the polar ... Mailyan, B.; Shi, Q.; Kullen, A.; Maggiolo, R.; Zhang, Y.; Fear, R.; Zong, Q.-G.; Fu, S; Gou, X.; Cao, X.; Yao, Z.; Sun, W.; Wei, Y.; Pu, Z; Published by: Journal of Geophysical Research: Space Physics Published on: 05/2015 YEAR: 2015 DOI: 10.1002/2014JA020912 magnetosphere-ionosphere coupling; transpolar arcs; in situ measurements |
| 2014 |
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The relationship between solar wind entry processes and transpolar arc formation
Mailyan, Bagrat; Shi, Quanqi; Maggiolo, Romain; Zong, Qiugang; Cao, Xin; Zhang, Yongliang; Yao, Zhonghua; Fu, SuiYan; Wei, Yong; Pu, Zuyin; Published by: Published on: |
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Specification of Auroral Ionospheric Conductances Using SSUSI and GUVI UV Imagery
Paxton, Larry; Zhang, Yongliang; Schaefer, Robert; Weiss, Michele; Miller, Ethan; Published by: Published on: |
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Establishing the connection between crowd-sourced data and decision makers
Paxton, Larry; Swartz, W; Strong, Shadrian; Nix, MG; Schaefer, Robert; Weiss, Michele; Published by: Published on: |
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Improving Discoverability of Geophysical Data using Location Based Services
Morrison, Daniel; Barnes, Robin; Potter, Matthew; Nylund, Stuart; Patrone, Dennis; Weiss, Michele; Talaat, Elsayed; Sarris, Theodore; Smith, Daniel; Published by: Published on: |
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The evolving space weather system—Van Allen Probes contribution
Zanetti, LJ; Mauk, BH; Fox, NJ; Barnes, RJ; Weiss, M; Sotirelis, TS; Raouafi, N-E; Kessel, RL; Becker, HN; Published by: Space Weather Published on: |
| 2013 |
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Multi-Instrument Observations at High Latitudes
Miller, E; Paxton, L; Schaefer, RK; Weiss, M; Wolven, BC; Zhang, Y; Published by: Published on: |
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UV Remote Sensing Data Products-Turning Data Into Knowledge
Weiss, M; Paxton, L; Schaefer, RK; Comberiate, J; Hsieh, SW; Romeo, G; Wolven, BC; Zhang, Y; Published by: Published on: |
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Paxton, L; Schaefer, RK; Weiss, M; Wolven, BC; Zhang, Y; Miller, E; Bust, GS; Romeo, G; Published by: Published on: |
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Smith, D; Barnes, RJ; Morrison, D; Talaat, ER; Potter, M; Patrone, D; Weiss, M; Sarris, T; Published by: Published on: |
| 2012 |
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Burns, A.G.; Solomon, S.C.; Qian, L.; Wang, W.; Emery, B.A.; Wiltberger, M.; Weimer, D.R.; Published by: Journal of Atmospheric and Solar-Terrestrial Physics Published on: Jan-07-2012 YEAR: 2012 DOI: 10.1016/j.jastp.2012.02.006 |
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Anomalously low geomagnetic energy inputs during 2008 solar minimum
Deng, Yue; Huang, Yanshi; Solomon, Stan; Qian, Liying; Knipp, Delores; Weimer, Daniel; Wang, Jing-Song; Published by: Journal of Geophysical Research Published on: Jan-01-2012 YEAR: 2012 DOI: 10.1029/2012JA018039 |
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Liu, Jing; Liu, Libo; Zhao, Biqiang; Wei, Yong; Hu, Lianhuan; Xiong, B.; Published by: Journal of Geophysical Research Published on: Jan-01-2012 YEAR: 2012 DOI: 10.1029/2012JA018015 |
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Solomon, Stanley; Burns, Alan; Emery, Barbara; Mlynczak, Martin; Qian, Liying; Wang, Wenbin; Weimer, Daniel; Wiltberger, Michael; Published by: Journal of Geophysical Research Published on: Jan-01-2012 YEAR: 2012 DOI: 10.1029/2011JA017417 |
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Romeo, G; Paxton, LJ; Schaefer, RK; DeMajistre, R; Comberiate, J; Hsieh, SW; Miller, ES; Weiss, M; Wolven, BC; Zhang, Y; Published by: Published on: |
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New and Improved GUVI Data Products for ITM Research
Schaefer, RK; Paxton, LJ; DeMajistre, R; Comberiate, J; Hsieh, SW; Miller, ES; Romeo, G; Weiss, M; Wolven, BC; Zhang, Y; Published by: Published on: |
| 2011 |
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Strong evidence for couplings between the ionospheric wave-4 structure and atmospheric tides
He, Maosheng; Liu, Libo; Wan, Weixing; Wei, Yong; Published by: Geophysical Research Letters Published on: Jan-07-2011 YEAR: 2011 DOI: 10.1029/2011GL047855 |
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A Dataset Conjunction Locator Service for the Virtual ITM Observatory and Other VxOs
Morrison, D; Barnes, RJ; Potter, M; Talaat, ER; Weiss, M; Published by: Published on: |
| 2010 |
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Comparison of the Hill\textendashSiscoe polar cap potential theory with the Weimer and AMIE models
Kelley, Michael; Crowley, Geoffrey; Weimer, Daniel; Published by: Journal of Atmospheric and Solar-Terrestrial Physics Published on: Jan-03-2010 YEAR: 2010 DOI: 10.1016/j.jastp.2009.02.011 |
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Enhanced UV Data Products-Observing the Ionosphere in Greater Fidelity
Wolven, BC; Paxton, LJ; Comberiate, J; Hsieh, SW; , Nylund; Schaefer, RK; Selby, C; Smith, D; Weiss, M; Zhang, Y; Published by: Published on: |
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Comparison of the Hill–Siscoe polar cap potential theory with the Weimer and AMIE models The magnetic storm on November 2004 was characterized by a high solar wind pressure and thus offers a unique opportunity to test the Hill–Siscoe formula (H–S) for the polar cap potential (PCP). To estimate the polar cap potential, we use the Weimer Statistical Convection Model (WCM), and the Assimilative Mapping of Ionospheric Electrodynamics Model (AMIE), based on ingestion of a number of data sets. H–S is in excellent agreement with WCM, and with AMIE during times when DMSP is used in the latter. The implication is t ... Kelley, Michael; Crowley, Geoffrey; Weimer, Daniel; Published by: Journal of Atmospheric and Solar-Terrestrial Physics Published on: YEAR: 2010 DOI: https://doi.org/10.1016/j.jastp.2009.02.011 Magnetic storm; Polar cap potential; Hill–Siscoe formula; solar wind |
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Searching Across Multiple Datasets with the Virtual ITM Observatory
Morrison, D; Weiss, M; Immer, EA; Patrone, D; Potter, M; Barnes, RJ; Colclough, C; Holder, R; McGuire, RE; Candey, RM; , others; Published by: Published on: |
| 2009 |
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Schaefer, RK; Morrison, D; Paxton, L; Holm, J; Weiss, M; Hsieh, S; Published by: Published on: |
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Use of the Virtual ITM Observatory for Scientific Research
Weiss, M; Morrison, D; Immer, E; Potter, M; Patrone, D; Colclough, C; Holder, R; Barnes, RJ; Published by: Published on: |
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Accessing Space Weather Information
Morrison, D; Weiss, M; Immer, EA; Patrone, D; Potter, M; Barnes, RJ; Colclough, C; Holder, R; Published by: Published on: |
| 2008 |
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Based on the DMSP F13 Satellite observations from 1995 to 2005, the longitudinal distributions of the electron temperature (Te) and total ion density (Ni) in the sunset equatorial topside ionosphere are examined. The results suggest that the longitudinal variations of both Te and Ni exhibit obvious seasonal dependence as follows: (1) wavenumber-four longitudinal structure in equinox, (2) three peaks structure in June solstice, and (3) two peaks structure in December solstice. Moreover, the longitudinal variations of Te and N ... Ren, Zhipeng; Wan, Weixing; Liu, Libo; Zhao, Biqiang; Wei, Yong; Yue, Xinan; Heelis, Roderick; Published by: Geophysical Research Letters Published on: YEAR: 2008 DOI: https://doi.org/10.1029/2007GL032998 |
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Performing Science Research with the Virtual ITM Observatory
Morrison, D; Weiss, M; Immer, L; Patrone, D; Potter, M; Holder, R; Barnes, R; Colclough, C; Nylund, S; Yee, J; , others; Published by: Published on: |
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Enabling Science Research with Coordinated Data From SuperDARN and VITMO
Barnes, RJ; Morrison, D; Weiss, M; Immer, E; Potter, M; Holder, R; Patrone, D; Colclough, C; McGuire, R; Candey, R; , others; Published by: Published on: |
| 2007 |
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VITMO: The Virtual Observatory for the ITM Community
Morrison, D; Weiss, M; Daley, R; Immer, L; Colclough, C; Holder, R; Jen, J; Patrone, D; Hashemian, M; Meckel, P; , others; Published by: Published on: |
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Enabling Science with the Virtual ITM Observatory
Morrison, D; Weiss, M; Immer, L; Holder, R; Barnes, R; Colclough, C; Potter, M; Daley, R; Hashemian, M; Nylund, S; , others; Published by: Published on: |
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Data Search in the Virtual ITM Observatory
Morrison, D; Weiss, M; Daley, R; Immer, L; Colclough, C; Holder, R; Jen, J; Hashemian, M; Meckel, P; Potter, M; , others; Published by: Published on: |
| 2006 |
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VITMO: A Virtual Observatory for the ITM Community
Morrison, D; Weiss, M; Daley, R; Immer, L; Nylund, S; Yee, J; Talaat, E; Russell, J; Heelis, R; Kozyra, J; , others; Published by: Published on: |
| 2005 |
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Daley, Rose; Immer, Elisabeth; Fortner, Brand; Weiss, Michele; Published by: Johns Hopkins APL technical digest Published on: |
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A Virtual Metadata Generator for the TIMED Program
Morrison, D; Weiss, M; Daley, R; Immer, E; Hashemian, M; Nylund, S; Skura, J; Published by: Published on: |
| 2004 |
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The Need for an Integrated Ionosphere-Thermosphere Data System: Lessons Learned from the GUVI DP POC
Holland, D; Weiss, MB; Morrison, DD; Paxton, LJ; Eichert, J; Published by: Published on: |
| 2003 |
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Weiss, M; Morrison, D; Paxton, L; Barnes, R; Published by: Published on: |
| 2002 |
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Weiss, MB; Paxton, LJ; Barnes, RJ; Eichert, JJ; Wood, WC; Morrison, D; Christensen, AB; Strickland, DJ; Craven, JD; Meier, RR; , others; Published by: Published on: |
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Imaging Space Weather in the Far Ultraviolet with NASA TIMED GUVI
Paxton, L; Morrison, D; Zhang, Y; Kil, H; Wolven, B; Humm, D; Ogorzalek, B; Weiss, M; Wood, W; Barnes, R; , others; Published by: Published on: |
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Data Visualization Tools and Techniques developed for the TIMED/GUVI Instrument
Morrison, D; Barnes, R; Paxton, L; Weiss, M; Wolven, B; Christensen, A; Craven, J; Crowley, G; Avery, S; Meier, R; , others; Published by: Published on: |
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Paxton, L; Morrison, D; Zhang, Y; Kil, H; Wolven, B; Humm, D; Ogorzalek, B; Weiss, M; Wood, W; Barnes, R; , others; Published by: Published on: |
| 1999 |
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Paxton, Larry; Christensen, Andrew; Humm, David; Ogorzalek, Bernard; Pardoe, Thompson; Morrison, Daniel; Weiss, Michele; Crain, W; Lew, Patricia; Mabry, Dan; , others; Published by: Published on: |
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The Global Ultraviolet Imager (GUVI) on the NASA Thermosphere Ionosphere Mesosphere Energetics and Dynamics (TIMED) mission will determine the variability in thermospheric composition, and its response to auroral inputs as well as measuring those inputs. GUVI is the result of twenty years of work in designing large field of regard far ultraviolet (110 - 180 nm) imagers for spaceflight. These systems are based on the concept of a horizon-to-horizon \textquoterightmonochromatic\textquoteright imager. The field of view of a ... Paxton, L.J.; Christensen, A.~B.; Humm, D.~C.; Ogorzalek, B.~S.; Pardoe, C.~T.; Morrison, D.; Weiss, M.~B.; Crain, W.; Lew, P.~H.; Mabry, D.~J.; Goldsten, J.~O.; Gary, S.~A.; Persons, D.~F.; Harold, M.~J.; Alvarez, E.~B.; Ercol, C.~J.; Strickland, D.~J.; Meng, C.-I.; Published by: Published on: |
| 1998 |
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Design and performance of the Global Ultraviolet Imager (GUVI)
Humm, David; Paxton, Larry; Christensen, Andrew; Ogorzalek, Bernard; Pardoe, Thompson; Meng, Ching-I; Morrison, Daniel; Strickland, Douglas; Evans, Scott; Weiss, Michele; , others; Published by: Published on: |
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Design and performance of the Global Ultraviolet Imager (GUVI)
Paxton\textordmasculine, LJ; Christensen, AB; Ogorzalek\textordmasculine, BS; Pardoe, CT; Meng\textordmasculine, CI; Morrison, D; Strickland, DJ; JS, Evans; Weiss, MB; Crain, W; , others; Published by: EUV, X-ray, and Gamma-ray Instrumentation for Astronomy Published on: |
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Design and performance of the Global Ultraviolet Imager (GUVI) The Global UV imager (GUVI) is an imaging spectrometer on the NASA TIMED spacecraft. GUVI produces simultaneous monochromatic images at five \textquoterightcolors\textquoteright as its field of view is scanned from horizon to horizon. The instrument consists of a scan mirror feeding a parabolic telescope and Rowland circle spectrometer, with a wedge-and-strip detector at the focal plane. We describe the design, and give an overview of the environmental parameters that will be measured. GUVI is a modified version of the Sp ... Humm, D.~C.; Paxton, L.J.; Christensen, A.~B.; Ogorzalek, B.~S.; Pardoe, C.~T.; Meng, C.-I.; Morrison, D.; Strickland, D.~J.; Evans, J.~S.; Weiss, M.~B.; Crain, W.; Lew, P.~H.; Mabry, D.~J.; Goldsten, J.~O.; Gary, S.~A.; Peacock, K.; Persons, D.~F.; Harold, M.~J.; Alvarez, E.~B.; Ercol, C.~J.; Published by: Published on: |
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