Search Results - "B J Johnson"
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1
Increasing springtime ozone mixing ratios in the free troposphere over western North America
Published in Nature (London) (21-01-2010)“…In the lowermost layer of the atmosphere—the troposphere—ozone is an important source of the hydroxyl radical, an oxidant that breaks down most pollutants and…”
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2
Volcano Opto‐Acoustics: Mapping the Infrasound Wavefield at Yasur Volcano (Vanuatu)
Published in Geophysical research letters (28-04-2023)“…We explore the capabilities of volcano opto‐acoustics, a promising technique for measuring explosion and infrasound resonance phenomena at open‐vent volcanoes…”
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3
Infrasound detection of approaching lahars
Published in Scientific reports (20-04-2023)“…Infrasound may be used to detect the approach of hazardous volcanic mudflows, known as lahars, tens of minutes before their flow fronts arrive. We have…”
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4
Stratospheric influence on surface ozone in the Los Angeles area during late spring and early summer of 2010
Published in Journal of Geophysical Research: Atmospheres (16-11-2012)“…The influence of stratosphere‐to‐troposphere transport (STT) on surface ozone (O3) concentrations in the greater Los Angeles area during the CalNex and…”
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5
Monotonic infrasound and Helmholtz resonance at Volcan Villarrica (Chile)
Published in Geophysical research letters (01-03-2011)“…Monotonic infrasound with stable peaked frequency of 0.77 Hz was recorded at Volcan Villarrica in January 2010. Similar monotonic infrasound had been…”
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6
Surface capping and size-dependent toxicity of gold nanoparticles on different trophic levels
Published in Environmental science and pollution research international (01-03-2016)“…In the present study, the toxicity of gold nanoparticles (Au NPs) was evaluated on various trophic organisms. Bacteria, algae, cell line, and mice were used as…”
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Recent tropospheric ozone changes – A pattern dominated by slow or no growth
Published in Atmospheric environment (1994) (01-03-2013)“…Longer-term (i.e., 20–40 years) tropospheric ozone (O3) time series obtained from surface and ozonesonde observations have been analyzed to assess possible…”
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8
Infrasound Tornillos Produced by Volcán Cotopaxi's Deep Crater
Published in Geophysical research letters (16-06-2018)“…We characterize and interpret a new type of infrasound signal originating from the summit of Volcán Cotopaxi (Ecuador) that was primarily observed between…”
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9
Diverse Eruptive Activity Revealed by Acoustic and Electromagnetic Observations of the 14 July 2013 Intense Vulcanian Eruption of Tungurahua Volcano, Ecuador
Published in Geophysical research letters (16-04-2018)“…During the powerful July 2013 eruption of Tungurahua volcano, Ecuador, we recorded exceptionally high amplitude, long‐period infrasound (1,600‐Pa peak‐to‐peak…”
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10
Consumer assessment of beef strip loin steaks of varying fat levels
Published in Journal of animal science (01-02-2012)“…A consumer study was conducted in Lubbock, Texas, to determine the effects of fat level of beef strip steaks on the palatability traits of tenderness,…”
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11
Probing local wind and temperature structure using infrasound from Volcan Villarrica (Chile)
Published in Journal of Geophysical Research: Atmospheres (16-09-2012)“…We use the continuous and intense (∼107W) infrasound produced by Volcan Villarrica (Chile) to invert for the local dynamic wind and temperature structure of…”
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12
Sexual selection on female ornaments in the sex‐role‐reversed Gulf pipefish (Syngnathus scovelli)
Published in Journal of evolutionary biology (01-11-2014)“…Understanding how selection acts on traits individually and in combination is an important step in deciphering the mechanisms driving evolutionary change, but…”
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13
Assessment of New Culture Method for Detection of Borrelia Species from Serum of Lyme Disease Patients
Published in Journal of Clinical Microbiology (01-03-2014)“…Classifications Services JCM Citing Articles Google Scholar PubMed Related Content Social Bookmarking CiteULike Delicious Digg Facebook Google+ Mendeley Reddit…”
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14
Drought-Induced Amplification of Local and Regional West Nile Virus Infection Rates in New Jersey
Published in Journal of medical entomology (01-01-2013)“…This study looked at the influence of interannual variations in temperature and precipitation on seasonal mosquito abundances, the prevalence of West Nile…”
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15
The genome sequence of Lone Star virus, a highly divergent bunyavirus found in the Amblyomma americanum tick
Published in PloS one (29-04-2013)“…Viruses in the family Bunyaviridae infect a wide range of plant, insect, and animal hosts. Tick-borne bunyaviruses in the Phlebovirus genus, including Severe…”
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Long-term changes in tropospheric ozone
Published in Atmospheric environment (1994) (01-06-2006)“…Tropospheric ozone changes are investigated using a selected network of surface and ozonesonde sites to give a broad geographic picture of long-term…”
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17
Measurement of western U.S. baseline ozone from the surface to the tropopause and assessment of downwind impact regions
Published in Journal of Geophysical Research: Atmospheres (18-11-2011)“…Since 1997, baseline ozone monitoring from the surface to the tropopause along the U.S. west coast has been limited to the weekly ozonesondes from Trinidad…”
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18
Marine–freshwater transitions are associated with the evolution of dietary diversification in terapontid grunters (Teleostei: Terapontidae)
Published in Journal of evolutionary biology (01-06-2012)“…The ecological opportunities associated with transitions across the marine–freshwater interface are regarded as an important catalyst of diversification in a…”
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2-Tiered Antibody Testing for Early and Late Lyme Disease Using Only an Immunoglobulin G Blot with the Addition of a VlsE Band as the Second-Tier Test
Published in Clinical infectious diseases (01-01-2010)“…Background Standard 2-tiered immunoglobulin G (IgG) testing has performed well in late Lyme disease (LD), but IgM testing early in the illness has been…”
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20
Impact of transported background ozone inflow on summertime air quality in a California ozone exceedance area
Published in Atmospheric chemistry and physics (27-10-2010)“…Ozone sondes launched from Trinidad Head, California provide a measure of background O3 transported ashore, and allow an evaluation of the impact of this…”
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