Search Results - "Drob, 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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Short‐Term and Interannual Variations of Migrating Diurnal and Semidiurnal Tides in the Mesosphere and Lower Thermosphere by Dhadly, Manbharat S., Emmert, John T., Drob, Douglas P., McCormack, John P., Niciejewski, Rick J.

“…Among the broad spectrum of vertically propagating tides, migrating diurnal (DW1) and semidiurnal (SW2) are prominent modes of energetic and dynamical coupling…”
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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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An update to the Horizontal Wind Model (HWM): The quiet time thermosphere by Drob, Douglas P., Emmert, John T., Meriwether, John W., Makela, Jonathan J., Doornbos, Eelco, Conde, Mark, Hernandez, Gonzalo, Noto, John, Zawdie, Katherine A., McDonald, Sarah E., Huba, Joe D., Klenzing, Jeff H.

“…The Horizontal Wind Model (HWM) has been updated in the thermosphere with new observations and formulation changes. These new data are ground‐based 630 nm…”
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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.

“…The Naval Research Laboratory Sami3 is Also a Model of the Ionosphere (SAMI3) ionosphere/plasmasphere code is used to examine the physics of metallic layers at…”
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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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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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Seasonal Dependence of Geomagnetic Active‐Time Northern High‐Latitude Upper Thermospheric Winds by Dhadly, Manbharat S., Emmert, John T., Drob, Douglas P., Conde, Mark G., Doornbos, Eelco, Shepherd, Gordon G., Makela, Jonathan J., Wu, Qian, Nieciejewski, Richard J., Ridley, Aaron J.

“…This study is focused on improving the poorly understood seasonal dependence of northern high‐latitude F region thermospheric winds under active geomagnetic…”
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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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Global morphology of infrasound propagation by Drob, Douglas P., Picone, J. M., Garcés, M.

“…Atmospheric sound waves in the 0.02–10 Hz region, also known as infrasound, exhibit long‐range global propagation characteristics. Measurable infrasound is…”
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Long-term corrosion resistance of new Ti–Ta–Zr alloy in simulated physiological fluids by electrochemical and surface analysis methods by Vasilescu, C., Drob, S.I., Calderon Moreno, J.M., Osiceanu, P., Popa, M., Vasilescu, E., Marcu, M., Drob, P.

“…[Display omitted] •Native passive film (TiO2, Ta2O5, ZrO2) on Ti–15Ta–5Zr alloy surface has a thickness of 8.5nm.•Duplex oxide film formed by inner, compact…”
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Characterisation and corrosion resistance of the electrodeposited hydroxyapatite and bovine serum albumin/hydroxyapatite films on Ti–6Al–4V–1Zr alloy surface by Vasilescu, C., Drob, P., Vasilescu, E., Demetrescu, I., Ionita, D., Prodana, M., Drob, S.I.

“…[Display omitted] ► EIS spectra for Ti6Al4V1Zr alloy were fitted with one time constant electric equivalent circuit. ► For covered alloy the equivalent circuit…”
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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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HL‐TWiM Empirical Model of High‐Latitude Upper Thermospheric Winds by Dhadly, Manbharat S., Emmert, John T., Drob, Douglas P., Conde, Mark G., Aruliah, Anasuya, Doornbos, Eelco, Shepherd, Gordon G., Wu, Qian, Makela, Jonathan J., Niciejewski, Rick J., Lee, Changsup, Jee, Geonhwa, Ridley, Aaron J.

“…We present an empirical model of thermospheric winds (High‐latitude Thermospheric Wind Model [HL‐TWiM]) that specifies F region high‐latitude horizontal…”
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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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Mechanical and corrosion resistance of a new nanostructured Ti–Zr–Ta–Nb alloy by Raducanu, D., Vasilescu, E., Cojocaru, V.D., Cinca, I., Drob, P., Vasilescu, C., Drob, S.I.

“…In this work, a multi-elementary Ti–10Zr–5Nb–5Ta alloy, with non-toxic alloying elements, was used to develop an accumulative roll bonding, ARB-type procedure…”
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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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