Zobrazeno 1 - 10 of 483 pro vyhledávání: '"J. P. McCormack"'
1
Akademický článek
On the importance of middle-atmosphere observations on ionospheric dynamics using WACCM-X and SAMI3
Autor: F. Sassi, A. G. Burrell, S. E. McDonald, J. L. Tate, J. P. McCormack
Publikováno v: Annales Geophysicae, Vol 42, Pp 255-269 (2024)
Recent advances in atmospheric observations and modeling have enabled the investigation of thermosphere–ionosphere interactions as a whole-atmosphere problem. This study examines how dynamical variability in the middle atmosphere (MA) affects intra
Externí odkaz: https://doaj.org/article/fd50b488ebad4315b5f44b23a3eda83c
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2
Akademický článek
Intercomparison of middle atmospheric meteorological analyses for the Northern Hemisphere winter 2009–2010
Autor: J. P. McCormack, V. L. Harvey, C. E. Randall, N. Pedatella, D. Koshin, K. Sato, L. Coy, S. Watanabe, F. Sassi, L. A. Holt
Publikováno v: Atmospheric Chemistry and Physics, Vol 21, Pp 17577-17605 (2021)
Detailed meteorological analyses based on observations extending through the middle atmosphere (∼ 15 to 100 km altitude) can provide key information to whole atmosphere modeling systems regarding the physical mechanisms linking day-to-day changes i
Externí odkaz: https://doaj.org/article/f82b4f6e5662413dbc094a6bbbf332e8
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3
Akademický článek
Two- and three-dimensional structures of the descent of mesospheric trace constituents after the 2013 sudden stratospheric warming elevated stratopause event
Autor: D. E. Siskind, V. L. Harvey, F. Sassi, J. P. McCormack, C. E. Randall, M. E. Hervig, S. M. Bailey
Publikováno v: Atmospheric Chemistry and Physics, Vol 21, Pp 14059-14077 (2021)
We use the Specified Dynamics version of the Whole Atmosphere Community Climate Model Extended (SD-WACCMX) to model the descent of nitric oxide (NO) and other mesospheric tracers in the extended, elevated stratopause phase of the 2013 sudden stratosp
Externí odkaz: https://doaj.org/article/4d77633a64f14a3687f6a4bb1a36a005
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4
Akademický článek
Migrating tide climatologies measured by a high-latitude array of SuperDARN HF radars
Autor: W. E. van Caspel, P. J. Espy, R. E. Hibbins, J. P. McCormack
Publikováno v: Annales Geophysicae, Vol 38, Pp 1257-1265 (2020)
This study uses hourly meteor wind measurements from a longitudinal array of 10 high-latitude SuperDARN high-frequency (HF) radars to isolate the migrating diurnal, semidiurnal, and terdiurnal tides at mesosphere–lower-thermosphere (MLT) altitudes.
Externí odkaz: https://doaj.org/article/42a77496b5bc4cffa4c22c594ee5ee4b
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5
Akademický článek
Comparative study between ground-based observations and NAVGEM-HA analysis data in the mesosphere and lower thermosphere region
Autor: G. Stober, K. Baumgarten, J. P. McCormack, P. Brown, J. Czarnecki
Publikováno v: Atmospheric Chemistry and Physics, Vol 20, Pp 11979-12010 (2020)
Recent studies have shown that day-to-day variability of the migrating semidiurnal solar (SW2) tide within the mesosphere and lower thermosphere (MLT) is a key driver of anomalies in the thermosphere–ionosphere system. Here, we study the variabilit
Externí odkaz: https://doaj.org/article/329e12b5b01d4ecfa98a0d8f0e1981b2
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6
Akademický článek
On the relative roles of dynamics and chemistry governing the abundance and diurnal variation of low-latitude thermospheric nitric oxide
Autor: D. E. Siskind, M. Jones Jr., D. P. Drob, J. P. McCormack, M. E. Hervig, D. R. Marsh, M. G. Mlynczak, S. M. Bailey, A. Maute, N. J. Mitchell
Publikováno v: Annales Geophysicae, Vol 37, Pp 37-48 (2019)
We use data from two NASA satellites, the Thermosphere Ionosphere Energetics and Dynamics (TIMED) and the Aeronomy of Ice in the Mesosphere (AIM) satellites, in conjunction with model simulations from the thermosphere-ionosphere-mesosphere-electrodyn
Externí odkaz: https://doaj.org/article/6a1060cc06e34a8a85565f3aa67bd0fc
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7
Akademický článek
The scaffold protein Ajuba suppresses CdGAP activity in epithelia to maintain stable cell-cell contacts
Autor: J. J. McCormack, S. Bruche, A. B. D. Ouadda, H. Ishii, H. Lu, A. Garcia-Cattaneo, C. Chávez-Olórtegui, N. Lamarche-Vane, V. M. M. Braga
Publikováno v: Scientific Reports, Vol 7, Iss 1, Pp 1-14 (2017)
Abstract Levels of active Rac1 at epithelial junctions are partially modulated via interaction with Ajuba, an actin binding and scaffolding protein. Here we demonstrate that Ajuba interacts with the Cdc42 GTPase activating protein CdGAP, a GAP for Ra
Externí odkaz: https://doaj.org/article/968899e3245c4560ba7c0878d963ee7d
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9
Review
Preview of Mathematical Analysis. A. Freilich H. H. Shanholt J. P. McCormack
Autor: Ott, E. R.
Publikováno v: The American Mathematical Monthly, 1938 Oct 01. 45(8), 547-547.
Externí odkaz: https://www.jstor.org/stable/2303756
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10
Akademický článek
Parameterization of middle atmospheric water vapor photochemistry for high-altitude NWP and data assimilation
Autor: J. P. McCormack, K. W. Hoppel, D. E. Siskind
Publikováno v: Atmospheric Chemistry and Physics, Vol 8, Iss 24, Pp 7519-7532 (2008)
This paper describes CHEM2D-H2O, a new parameterization of H2O photochemical production and loss based on the CHEM2D photochemical-transport model of the middle atmosphere. This parameterization accounts for the altitude, latitude, and seasonal varia
Externí odkaz: https://doaj.org/article/9318c291b3fa4c70b236407f4c197999
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