Search Results - "Drob, D. P."

NRLMSIS 2.0: A Whole‐Atmosphere Empirical Model of Temperature and Neutral Species Densities by Emmert, J. T., Drob, D. P., Picone, J. M., Siskind, D. E., Jones, M., Mlynczak, M. G., Bernath, P. F., Chu, X., Doornbos, E., Funke, B., Goncharenko, L. P., Hervig, M. E., Schwartz, M. J., Sheese, P. E., Vargas, F., Williams, B. P., Yuan, T.

“…NRLMSIS® 2.0 is an empirical atmospheric model that extends from the ground to the exobase and describes the average observed behavior of temperature, eight…”
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A computationally compact representation of Magnetic-Apex and Quasi-Dipole coordinates with smooth base vectors by Emmert, J. T., Richmond, A. D., Drob, D. P.

“…Many structural and dynamical features of the ionized and neutral upper atmosphere are strongly organized by the geomagnetic field, and several magnetic…”
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Nightside Detection of a Large‐Scale Thermospheric Wave Generated by a Solar Eclipse by Harding, B. J., Drob, D. P., Buriti, R. A., Makela, J. J.

“…The generation of a large‐scale wave in the upper atmosphere caused by a solar eclipse was first predicted in the 1970s, but the experimental evidence remains…”
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NRLMSISE-00 empirical model of the atmosphere: Statistical comparisons and scientific issues by Picone, J. M., Hedin, A. E., Drob, D. P., Aikin, A. C.

“…The new NRLMSISE‐00 empirical atmospheric model extends from the ground to the exobase and is a major upgrade of the MSISE‐90 model in the thermosphere. The…”
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SAMI3 Simulations of Ionospheric Metallic Layers at Arecibo by Krall, J., Huba, J. D., Nossa, E., Aponte, N., Drob, D. P.

“…Abstract The Naval Research Laboratory Sami3 is Also a Model of the Ionosphere (SAMI3) ionosphere/plasmasphere code is used to examine the physics of metallic…”
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An empirical model of the Earth's horizontal wind fields: HWM07 by Drob, D. P., Emmert, J. T., Crowley, G., Picone, J. M., Shepherd, G. G., Skinner, W., Hays, P., Niciejewski, R. J., Larsen, M., She, C. Y., Meriwether, J. W., Hernandez, G., Jarvis, M. J., Sipler, D. P., Tepley, C. A., O'Brien, M. S., Bowman, J. R., Wu, Q., Murayama, Y., Kawamura, S., Reid, I. M., Vincent, R. A.

“…The new Horizontal Wind Model (HWM07) provides a statistical representation of the horizontal wind fields of the Earth's atmosphere from the ground to the…”
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Coupling From the Middle Atmosphere to the Exobase: Dynamical Disturbance Effects on Light Chemical Species by Jones, M., Siskind, D. E., Drob, D. P., McCormack, J. P., Emmert, J. T., Dhadly, M. S., Attard, H. E., Mlynczak, M. G., Brown, P. G., Stober, G., Kozlovsky, A., Lester, M., Jacobi, C.

“…This paper characterizes the impacts of sudden stratospheric warmings (SSWs) and mesospheric coolings (MCs) on the light species distribution (i.e., helium…”
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Investigation of the causes of the longitudinal variation of the electron density in the Weddell Sea Anomaly by Richards, P. G., Meier, R. R., Chen, Shih‐Ping, Drob, D. P., Dandenault, P.

“…This paper investigates and quantifies the causes of the Weddell Sea Anomaly (WSA), a region near the tip of South America extending from approximately 30° to…”
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Attribution of interminima changes in the global thermosphere and ionosphere by Emmert, J. T., McDonald, S. E., Drob, D. P., Meier, R. R., Lean, J. L., Picone, J. M.

“…We present a statistical attribution analysis of the changes in global annual average thermospheric mass density and ionospheric total electron content (TEC)…”
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Observations of increasing carbon dioxide concentration in Earth’s thermosphere by Emmert, J. T., Stevens, M. H., Bernath, P. F., Drob, D. P., Boone, C. D.

“…Above an altitude of about 50 km, carbon dioxide is the primary radiative cooling agent. Carbon dioxide and carbon monoxide mixing ratios derived from…”
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Calculating the absorption of HF radio waves in the ionosphere by Zawdie, K. A., Drob, D. P., Siskind, D. E., Coker, C.

“…It has long been known that the ionospheric absorption of HF radio waves is dependent on the electron density in the ionosphere. This paper examines two…”
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DWM07 global empirical model of upper thermospheric storm-induced disturbance winds by Emmert, J. T., Drob, D. P., Shepherd, G. G., Hernandez, G., Jarvis, M. J., Meriwether, J. W., Niciejewski, R. J., Sipler, D. P., Tepley, C. A.

“…We present a global empirical disturbance wind model (DWM07) that represents average geospace‐storm‐induced perturbations of upper thermospheric (200–600 km…”
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Infrasound: Connecting the Solid Earth, Oceans, and Atmosphere by Hedlin, M.A.H, Walker, K, Drob, D.P, de Groot-Hedlin, C.D

“…The recently reinvigorated field of infrasonics is poised to provide insight into atmospheric structure and the physics of large atmospheric phenomena, just as…”
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A method for specifying atmospheric gravity wavefields for long-range infrasound propagation calculations by Drob, D. P., Broutman, D., Hedlin, M. A., Winslow, N. W., Gibson, R. G.

“…Two important challenges in infrasound propagation physics are (1) to explain frequently observed infrasound signals in the classical near‐field shadow zones…”
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NRLMSIS 2.1: An Empirical Model of Nitric Oxide Incorporated Into MSIS by Emmert, J. T., Jones, M., Siskind, D. E., Drob, D. P., Picone, J. M., Stevens, M. H., Bailey, S. M., Bender, S., Bernath, P. F., Funke, B., Hervig, M. E., Pérot, K.

“…We have developed an empirical model of nitric oxide (NO) number density at altitudes from ∼73 km to the exobase, as a function of altitude, latitude, day of…”
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Origins of the Thermosphere‐Ionosphere Semiannual Oscillation: Reformulating the “Thermospheric Spoon” Mechanism by Jones, M., Emmert, J. T., Drob, D. P., Picone, J. M., Meier, R. R.

“…We demonstrate how Earth's obliquity generates the global thermosphere‐ionosphere (T‐I) semiannual oscillation (SAO) in mass density and electron density…”
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Middle atmosphere dynamical sources of the semiannual oscillation in the thermosphere and ionosphere by Jones, M., Emmert, J. T., Drob, D. P., Siskind, D. E.

“…The strong global semiannual oscillation (SAO) in thermospheric density has been observed for five decades, but definitive knowledge of its source has been…”
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On the Effects of Mesospheric and Lower Thermospheric Oxygen Chemistry on the Thermosphere and Ionosphere Semiannual Oscillation by Jones, M., Sutton, E. K., Emmert, J. T., Siskind, D. E., Drob, D. P.

“…This study quantifies mesosphere/lower thermosphere (MLT) oxygen chemical contributions to the global thermosphere‐ionosphere (T‐I) semiannual oscillation…”
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Understanding Nighttime Ionospheric Depletions Associated With Sudden Stratospheric Warmings in the American Sector by Jones, M., Goncharenko, L. P., McDonald, S. E., Zawdie, K. A., Tate, J., Gasperini, F., Pedatella, N. M., Drob, D. P., McCormack, J. P.

“…This study focuses on understanding what drives the previously observed deep nighttime ionospheric hole in the American sector during the January 2013 sudden…”
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An Intercomparison of VLF and Sounding Rocket Techniques for Measuring the Daytime D Region Ionosphere: Theoretical Implications by Siskind, D. E., Zawdie, K. A., Sassi, F., Drob, D. P., Friedrich, M.

“…We compare the two approaches that have been used to measure the lowermost ionosphere, the measurement of the propagation of very low frequency (VLF) radio…”
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