Search Results - "Pernak, Rick"
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Space-based observations of tropospheric ethane map emissions from fossil fuel extraction
Published in Nature communications (07-09-2024)“…Ethane is the most abundant non-methane hydrocarbon in the troposphere, where it impacts ozone and reactive nitrogen and is a key tracer used for partitioning…”
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Hard X-Ray Flare Source Sizes Measured with the Ramaty High Energy Solar Spectroscopic Imager
Published in The Astrophysical journal (20-06-2009)“…Ramaty High Energy Solar Spectroscopic Imager (RHESSI) observations of 18 double hard X-ray sources seen at energies above 25 keV are analyzed to determine the…”
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3
Forecasting Surface O_3 in Texas Urban Areas Using Random Forest and Generalized Additive Models
Published in Aerosol and Air Quality Research (01-12-2019)“…We developed and evaluated three types of statistical forecasting models (quantitative, probabilistic, and classification) for predicting the maximum daily…”
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Benchmark Calculations of Radiative Forcing by Greenhouse Gases
Published in Journal of geophysical research. Atmospheres (16-12-2020)“…Changes in concentrations of greenhouse gases lead to changes in radiative fluxes throughout the atmosphere. The value of this change, the instantaneous…”
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5
Forecasting Surface O3 in Texas Urban Areas Using Random Forest and Generalized Additive Models
Published in Aerosol and air quality research (01-12-2019)Get full text
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6
HARD X-RAY FLARE SOURCE SIZES MEASURED WITH THE RAMATY HIGH ENERGY SOLAR SPECTROSCOPIC IMAGER
Published in The Astrophysical journal (20-06-2009)“…Ramaty High Energy Solar Spectroscopic Imager (RHESSI) observations of 18 double hard X-ray sources seen at energies above 25 keV are analyzed to determine the…”
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Journal Article -
7
Benchmark Calculations of Radiative Forcing by Greenhouse Gases
Published in Journal of geophysical research. Atmospheres (17-11-2020)“…Changes in concentrations of greenhouse gases lead to changes in radiative fluxes throughout the atmosphere. The value of this change, the instantaneous…”
Get full text
Journal Article -
8
Spectral Scaling Technique to Determine Extreme Carrington-level Geomagnetically Induced Currents Effects
Published 20-04-2017“…Space weather events produce variations in the electric current in the Earth's magnetosphere and ionosphere. From these high altitude atmospheric regions,…”
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Comparing SSN Index to X-ray Flare and Coronal Mass Ejection Rates from Solar Cycles 22-24
Published 02-05-2016“…The newly revised sunspot number series allows for placing historical geoeffective storms in the context of several hundred years of solar activity. Using…”
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