Search Results - "BAKER, J. B"
-
1
Genomic reconstruction of multiple lineages of uncultured benthic archaea suggests distinct biogeochemical roles and ecological niches
Published in The ISME Journal (01-05-2017)“…Genomic bins belonging to multiple archaeal lineages were recovered from distinct redox regimes in sediments of the White Oak River estuary. The reconstructed…”
Get full text
Journal Article -
2
Dynamics of the region 1 Birkeland current oval derived from the Active Magnetosphere and Planetary Electrodynamics Response Experiment (AMPERE)
Published in Journal of Geophysical Research: Space Physics (01-06-2012)“…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…”
Get full text
Journal Article -
3
Temporal and spatial dynamics of the regions 1 and 2 Birkeland currents during substorms
Published in Journal of geophysical research. Space physics (01-06-2013)“…We use current density data from the Active Magnetosphere and Planetary Electrodynamics Response Experiment (AMPERE) to identify the location of maximum region…”
Get full text
Journal Article -
4
Statistical characterization of the large‐scale structure of the subauroral polarization stream
Published in Journal of geophysical research. Space physics (01-06-2017)“…The subauroral polarization streams (SAPS) are latitudinally narrow regions of westward directed flows observed equatorward of the evening sector auroral oval…”
Get full text
Journal Article -
5
Long‐Lasting Poloidal ULF Waves Observed by Multiple Satellites and High‐Latitude SuperDARN Radars
Published in Journal of geophysical research. Space physics (01-10-2018)“…Poloidal ultralow frequency (ULF) waves between 5 and 10 mHz were observed by multiple satellites and three high‐latitude Super Dual Auroral Radar Network…”
Get full text
Journal Article -
6
Substorms and Solar Eclipses: A Mutual Information Based Study
Published in Geophysical research letters (28-12-2023)“…Solar eclipses present a rare glimpse into the impact of ionospheric electrodynamics on the magnetosphere independent of other well studied seasonal…”
Get full text
Journal Article -
7
Large-scale observations of a subauroral polarization stream by midlatitude SuperDARN radars: Instantaneous longitudinal velocity variations
Published in Journal of Geophysical Research: Space Physics (01-05-2012)“…We present simultaneous measurements of flow velocities inside a subauroral polarization stream (SAPS) made by six midlatitude high‐frequency SuperDARN radars…”
Get full text
Journal Article -
8
Driving Influences of the Doppler Flash Observed by SuperDARN HF Radars in Response to Solar Flares
Published in Journal of geophysical research. Space physics (01-06-2022)“…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…”
Get full text
Journal Article -
9
Simultaneous Observations of Geoelectric and Geomagnetic Fields Produced by Magnetospheric ULF Waves
Published in Geophysical research letters (28-09-2020)“…Geomagnetic perturbations (BGEO) related to magnetospheric ultralow frequency (ULF) waves induce electric fields within the conductive Earth—geoelectric fields…”
Get full text
Journal Article -
10
The Role of Flare‐Driven Ionospheric Electron Density Changes on the Doppler Flash Observed by SuperDARN HF Radars
Published in Journal of geophysical research. Space physics (01-08-2021)“…Trans‐ionospheric high frequency (HF: 3–30 MHz) signals experience strong attenuation following a solar flare‐driven sudden ionospheric disturbance (SID)…”
Get full text
Journal Article -
11
Sources and characteristics of medium‐scale traveling ionospheric disturbances observed by high‐frequency radars in the North American sector
Published in Journal of geophysical research. Space physics (01-04-2016)“…Medium‐scale traveling ionospheric disturbances (MSTIDs) are wave‐like ionospheric perturbations routinely observed by high‐frequency radars. We focus on a…”
Get full text
Journal Article -
12
Characterization of Short‐Wave Fadeout Seen in Daytime SuperDARN Ground Scatter Observations
Published in Radio science (01-04-2018)“…Short‐wave fadeout (SWF) is a well‐known radio wave anomaly which follows Earth‐directed solar flares and leads to severe disruption of transionospheric…”
Get full text
Journal Article -
13
Tumour gene expression predicts response to cetuximab in patients with KRAS wild-type metastatic colorectal cancer
Published in British journal of cancer (01-02-2011)“…Background: Although it is accepted that metastatic colorectal cancers (mCRCs) that carry activating mutations in KRAS are unresponsive to anti-epidermal…”
Get full text
Journal Article -
14
Direct observations of the role of convection electric field in the formation of a polar tongue of ionization from storm enhanced density
Published in Journal of geophysical research. Space physics (01-03-2013)“…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…”
Get full text
Journal Article -
15
The geomagnetic storm time response of GPS total electron content in the North American sector
Published in Journal of geophysical research. Space physics (01-02-2016)“…Over the last two decades, maps of GPS total electron content (TEC) have improved our understanding of the large perturbations in ionospheric electron density…”
Get full text
Journal Article -
16
Multipoint Conjugate Observations of Dayside ULF Waves During an Extended Period of Radial IMF
Published in Journal of geophysical research. Space physics (01-11-2020)“…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…”
Get full text
Journal Article -
17
Observations of storm time midlatitude ion‐neutral coupling using SuperDARN radars and NATION Fabry‐Perot interferometers
Published in Journal of geophysical research. Space physics (01-10-2015)“…Ion drag is known to play an important role in driving neutral thermosphere circulation at auroral latitudes, especially during the main phase of geomagnetic…”
Get full text
Journal Article -
18
Statistical Study of Nightside Quiet Time Midlatitude Ionospheric Convection
Published in Journal of geophysical research. Space physics (01-03-2018)“…Previous studies have shown that F region midlatitude ionospheric plasma exhibits drifts of a few tens of meters per second during quiet geomagnetic…”
Get full text
Journal Article -
19
Characterizing tuberculosis genotype clusters along the United States-Mexico border [Short communication]
Published in The international journal of tuberculosis and lung disease (01-03-2014)“…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…”
Get full text
Journal Article -
20
A comparison of SuperDARN ACF fitting methods
Published in Radio science (01-05-2013)“…The Super Dual Auroral Radar Network (SuperDARN) is a worldwide chain of HF radars which monitor plasma dynamics in the ionosphere. Autocorrelation functions…”
Get full text
Journal Article