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Changes in ozone and precursors during two aged wildfire smoke events in the ...
The relative importance of wildfire smoke for air quality over the western US is expected to increase as the climate warms and anthropogenic emissions decline. We report on in...- publication PDF
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Precipitation from space: Advancing earth system science
Advances to space-based observing systems and data processing techniques have made precipitation datasets quickly and easily available via various data portals and widely used...- publication PDF
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Can we measure snow depth with GPS receivers?
Snow is an important component of the climate system and a critical storage component in the hydrologic cycle. However, in situ observations of snow distribution are sparse, and...- publication PDF
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The impact of aerosols on satellite radiance data assimilation using NCEP Glo...
Aerosol radiative effects have been studied extensively by climate and weather research communities. However, aerosol impacts on radiance in the context of data assimilation...- publication PDF
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Evaluation of WRF model output for severe-weather forecasting from the 2008 N...
This study assesses forecasts of the preconvective and near-storm environments from the convection-allowing models run for the 2008 National Oceanic and Atmospheric...- publication PDF
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Stratospheric ozone response to sulfate geoengineering: Results from the Geoe...
Geoengineering with stratospheric sulfate aerosols has been proposed as a means of temporarily cooling the planet, alleviating some of the side effects of anthropogenic CO₂...- publication PDF
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A survey of small‐scale waves and wave‐like phenomena in Jupiter's atmosphere...
In the first 20 orbits of the Juno spacecraft around Jupiter, we have identified a variety of wave-like features in images made by its public-outreach camera, JunoCam. Because...- publication PDF
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Societal decisions about climate mitigation will have dramatic impacts on eut...
Excessive nitrogen runoff leads to degraded water quality, harming human and ecosystem health. We examine the impact of changes in land use and land management for six...- publication PDF
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Atmospheric stability influences on coupled boundary layer and canopy turbulence
Large-eddy simulation of atmospheric boundary layers interacting with a coupled and resolved plant canopy reveals the influence of atmospheric stability variations from neutral...- publication PDF
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Chemical feedback from decreasing carbon monoxide emissions
Understanding changes in the burden and growth rate of atmospheric methane (CH4) has been the focus of several recent studies but still lacks scientific consensus. Here we...- publication PDF
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A positive-definite, WENO-limited, high-order finite volume solver for 2-D tr...
Modern computer architectures reward added computation if it reduces algorithmic dependence, reduces data movement, increases accuracy/robustness, and improves memory accesses....- publication PDF
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Low-ozone bubbles observed in the tropical tropopause layer during the TC4 ca...
In the summer of 2007, the NASA DC-8 aircraft took part in the Tropical Composition, Cloud and Climate Coupling campaign based in San Jose, Costa Rica. During this campaign,...- publication PDF
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Influences of climate change on California and Nevada regions revealed by a H...
In this study, the influence of climate change to California and Nevada regions was investigated through high-resolution (4-km grid spacing) dynamical downscaling using the WRF...- publication PDF
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Marine ice sheet experiments with the Community Ice Sheet Model
Ice sheet models differ in their numerical treatment of dynamical processes. Simulations of marine-based ice are sensitive to the choice of Stokes flow approximation and basal...- publication PDF
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Path-length Sensitivity of the Lyman-alpha Humidiometer
This report provides an analysis of the path-length sensitivity of the Lyman-Alpha Humidiometer.- publication PDF
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El Niño/Southern Oscillation inhibited by submesoscale ocean eddies
The El Niño/Southern Oscillation is characterized by irregular warm (El Niño) and cold (La Niña) events in the tropical Pacific Ocean, which have substantial global...- publication PDF
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Informing the Prediction of Compression Method and Level for Climate Model Da...
Increased computing power makes it possible to simulate larger Earth system model ensembles with higher output frequency, finer spatial resolution, and extended simulation...- publication PDF
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Improving the simulation of extreme precipitation events by stochastic weathe...
[1] Stochastic weather generators are commonly used to generate scenarios of climate variability or change on a daily timescale. So the realistic modeling of extreme events is...- publication PDF
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Gravity wave breaking, secondary wave generation, and mixing above deep conve...
This paper documents the breakdown of gravity waves generated by deep convection in a three-dimensional cloud-resolving model. The convection generates gravity waves that...- publication PDF
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Improving large-domain convection-allowing forecasts with high-resolution ana...
Analyses with 20-km horizontal grid spacing were produced from continuously cycling three-dimensional variational (3DVAR), ensemble square root Kalman filter (EnSRF), and...- publication PDF