Search Results - "Baker, B. J."

Genomic reconstruction of multiple lineages of uncultured benthic archaea suggests distinct biogeochemical roles and ecological niches by Lazar, C S, Baker, B J, Seitz, K W, Teske, A P

“…Genomic bins belonging to multiple archaeal lineages were recovered from distinct redox regimes in sediments of the White Oak River estuary. The reconstructed…”
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Dynamics of the region 1 Birkeland current oval derived from the Active Magnetosphere and Planetary Electrodynamics Response Experiment (AMPERE) by Clausen, L. B. N., Baker, J. B. H., Ruohoniemi, J. M., Milan, S. E., Anderson, B. J.

“…The region 1 (R1) and region 2 current systems typically form concentric rings of field‐aligned currents in the polar ionospheres; we term the inner ring the…”
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Temporal and spatial dynamics of the regions 1 and 2 Birkeland currents during substorms by Clausen, L. B. N., H. Baker, J. B., Ruohoniemi, J. M., Milan, S. E., Coxon, J. C., Wing, S., Ohtani, S., Anderson, B. J.

“…We use current density data from the Active Magnetosphere and Planetary Electrodynamics Response Experiment (AMPERE) to identify the location of maximum region…”
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Statistical characterization of the large‐scale structure of the subauroral polarization stream by Kunduri, B. S. R., Baker, J. B. H., Ruohoniemi, J. M., Thomas, E. G., Shepherd, S. G., Sterne, K. T.

“…The subauroral polarization streams (SAPS) are latitudinally narrow regions of westward directed flows observed equatorward of the evening sector auroral oval…”
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Long‐Lasting Poloidal ULF Waves Observed by Multiple Satellites and High‐Latitude SuperDARN Radars by Shi, X., Baker, J. B. H., Ruohoniemi, J. M., Hartinger, M. D., Murphy, K. R., Rodriguez, J. V., Nishimura, Y., McWilliams, K. A., Angelopoulos, V.

“…Poloidal ultralow frequency (ULF) waves between 5 and 10 mHz were observed by multiple satellites and three high‐latitude Super Dual Auroral Radar Network…”
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Substorms and Solar Eclipses: A Mutual Information Based Study by Coyle, S. E., Baker, J. B. H., Chakraborty, S., Hartinger, M. D., Freeman, M. P., Clauer, C. R., Xu, Z., Weimer, D. R.

“…Solar eclipses present a rare glimpse into the impact of ionospheric electrodynamics on the magnetosphere independent of other well studied seasonal…”
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Large-scale observations of a subauroral polarization stream by midlatitude SuperDARN radars: Instantaneous longitudinal velocity variations by Clausen, L. B. N., Baker, J. B. H., Ruohoniemi, J. M., Greenwald, R. A., Thomas, E. G., Shepherd, S. G., Talaat, E. R., Bristow, W. A., Zheng, Y., Coster, A. J., Sazykin, S.

“…We present simultaneous measurements of flow velocities inside a subauroral polarization stream (SAPS) made by six midlatitude high‐frequency SuperDARN radars…”
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Driving Influences of the Doppler Flash Observed by SuperDARN HF Radars in Response to Solar Flares by Chakraborty, S., Qian, L., Baker, J. B. H., Ruohoniemi, J. M., Kuyeng, K., Mclnerney, J. M.

“…Sudden enhancement in high‐frequency absorption is a well‐known impact of solar flare‐driven Short‐Wave Fadeout (SWF). Less understood, is a perturbation of…”
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Simultaneous Observations of Geoelectric and Geomagnetic Fields Produced by Magnetospheric ULF Waves by Hartinger, M. D., Shi, X., Lucas, G. M., Murphy, B. S., Kelbert, A., Baker, J. B. H., Rigler, E. J., Bedrosian, P. A.

“…Geomagnetic perturbations (BGEO) related to magnetospheric ultralow frequency (ULF) waves induce electric fields within the conductive Earth—geoelectric fields…”
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The Role of Flare‐Driven Ionospheric Electron Density Changes on the Doppler Flash Observed by SuperDARN HF Radars by Chakraborty, S., Qian, L., Ruohoniemi, J. M., Baker, J. B. H., Mclnerney, J. M., Nishitani, N.

“…Trans‐ionospheric high frequency (HF: 3–30 MHz) signals experience strong attenuation following a solar flare‐driven sudden ionospheric disturbance (SID)…”
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Sources and characteristics of medium‐scale traveling ionospheric disturbances observed by high‐frequency radars in the North American sector by Frissell, N. A., Baker, J. B. H., Ruohoniemi, J. M., Greenwald, R. A., Gerrard, A. J., Miller, E. S., West, M. L.

“…Medium‐scale traveling ionospheric disturbances (MSTIDs) are wave‐like ionospheric perturbations routinely observed by high‐frequency radars. We focus on a…”
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Characterization of Short‐Wave Fadeout Seen in Daytime SuperDARN Ground Scatter Observations by Chakraborty, S., Ruohoniemi, J. M., Baker, J. B. H., Nishitani, N.

“…Short‐wave fadeout (SWF) is a well‐known radio wave anomaly which follows Earth‐directed solar flares and leads to severe disruption of transionospheric…”
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Tumour gene expression predicts response to cetuximab in patients with KRAS wild-type metastatic colorectal cancer by Baker, J B, Dutta, D, Watson, D, Maddala, T, Munneke, B M, Shak, S, Rowinsky, E K, Xu, L-A, Harbison, C T, Clark, E A, Mauro, D J, Khambata-Ford, S

“…Background: Although it is accepted that metastatic colorectal cancers (mCRCs) that carry activating mutations in KRAS are unresponsive to anti-epidermal…”
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Direct observations of the role of convection electric field in the formation of a polar tongue of ionization from storm enhanced density by Thomas, E. G., Baker, J. B. H., Ruohoniemi, J. M., Clausen, L. B. N., Coster, A. J., Foster, J. C., Erickson, P. J.

“…We examine the relationship of convection electric fields to the formation of a polar cap tongue of ionization (TOI) from midlatitude plumes of storm enhanced…”
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The geomagnetic storm time response of GPS total electron content in the North American sector by Thomas, E. G., Baker, J. B. H., Ruohoniemi, J. M., Coster, A. J., Zhang, S.‐R.

“…Over the last two decades, maps of GPS total electron content (TEC) have improved our understanding of the large perturbations in ionospheric electron density…”
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Multipoint Conjugate Observations of Dayside ULF Waves During an Extended Period of Radial IMF by Shi, X., Hartinger, M. D., Baker, J. B. H., Ruohoniemi, J. M., Lin, D., Xu, Z., Coyle, S., Kunduri, B. S. R., Kilcommons, L. M., Willer, A.

“…Long‐lasting Pc5 ultralow frequency (ULF) waves spanning the dayside and extending from L ∼ 5.5 into the polar cap region were observed by conjugate ground…”
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Observations of storm time midlatitude ion‐neutral coupling using SuperDARN radars and NATION Fabry‐Perot interferometers by Joshi, P. P., H. Baker, J. B., Ruohoniemi, J. M., Makela, J. J., Fisher, D. J., Harding, B. J., Frissell, N. A., Thomas, E. G.

“…Ion drag is known to play an important role in driving neutral thermosphere circulation at auroral latitudes, especially during the main phase of geomagnetic…”
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Statistical Study of Nightside Quiet Time Midlatitude Ionospheric Convection by Maimaiti, M., Ruohoniemi, J. M., Baker, J. B. H., Ribeiro, A. J.

“…Previous studies have shown that F region midlatitude ionospheric plasma exhibits drifts of a few tens of meters per second during quiet geomagnetic…”
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Characterizing tuberculosis genotype clusters along the United States-Mexico border [Short communication] by Baker, B. J., Moonan, P. K.

“…We examined the growth of tuberculosis (TB) genotype clusters during 2005-2010 in the United States, categorized by country of origin and ethnicity of the…”
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A comparison of SuperDARN ACF fitting methods by Ribeiro, A. J., Ruohoniemi, J. M., Ponomarenko, P. V., N. Clausen, L. B., H. Baker, J. B., Greenwald, R. A., Oksavik, K., de Larquier, S.

“…The Super Dual Auroral Radar Network (SuperDARN) is a worldwide chain of HF radars which monitor plasma dynamics in the ionosphere. Autocorrelation functions…”
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