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Finescale structure of a snowstorm over the northeastern United States: A...
The newly developed High-Performance Instrumented Airborne Platform for Environmental Research (HIAPER) Cloud Radar (HCR) is an airborne, W-band, dual-polarization, Doppler...- publication PDF
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Global variability in atmospheric new particle formation mechanisms
A key challenge in aerosol pollution studies and climate change assessment is to understand how atmospheric aerosol particles are initially formed 1,2 . Although new particle...- publication PDF
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Kinetic-scale magnetic holes inside foreshock transients
In Earth's foreshock, there are many foreshock transients that have core regions with low field strength, low density, high temperature, and bulk velocity variation. Through...- publication PDF
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The Craig-Sneyd analytic solutions to the Parker problem
This paper follows up on the conclusion by Craig and Sneyd (2005) that the solutions to a linearized magnetostatic problem are counterexamples to the magnetostatic model of...- publication PDF
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Surface-atmosphere decoupling limits accumulation at Summit, Greenland
Despite rapid melting in the coastal regions of the Greenland Ice Sheet, a significant area (~40%) of the ice sheet rarely experiences surface melting. In these regions, the...- publication PDF
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The NOx dependence of bromine chemistry in the Arctic atmospheric boundary layer
Arctic boundary layer nitrogen oxides (NOx = NO2 + NO) are naturally produced in and released from the sunlit snowpack and range between 10 to 100 pptv in the remote background...- publication PDF
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Tropospheric Ozone Assessment Report: Tropospheric ozone from 1877 to 2016,...
From the earliest observations of ozone in the lower atmosphere in the 19th century, both measurement methods and the portion of the globe observed have evolved and changed....- publication PDF
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Temperature Dependent Infrared Cross Sections for CFC-11, CFC-12, CFC-13,...
This report presents absorption cross sections at temperatures of 293, 273, 253, 233, 213 and 203 K for the chlorofluorocarbon species CFC-11 (CC13F), CFC-12 (CC12F2), CFC-13...- publication PDF
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Simulations of the equatorial thermosphere anomaly: Physical mechanisms for...
Several mechanisms including heat transport due to zonal winds, chemical heating and field-aligned ion drag have been proposed to explain the formation of the Equatorial...- publication PDF
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The impact of positive-definite moisture transport on NWP precipitation forecasts
A positive-definite transport scheme for moisture is tested in a nonhydrostatic forecast model using convection-permitting resolutions. Use of the positive-definite scheme is...- publication PDF
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Hydrometeorological observations and modeling of an extreme rainfall event...
Some of the most intense convective storms on Earth initiate near the Sierras de Cordoba mountain range in Argentina. The goal of the RELAMPAGO field campaign was to observe...- publication PDF
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Anthropogenic influence on the drivers of the Western Cape drought 2015–2017
In the period 2015-2017, the Western Cape region has suffered from three consecutive years of below average rainfall-leading to a prolonged drought and acute water shortages,...- publication PDF
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Exploring bounded nonparametric ensemble filter impacts on sea ice Data Assimilation
Standard ensemble Kalman filter algorithms have Gaussian assumptions built into their formulations. Gaussian assumptions make these algorithms susceptible to biased solutions...- publication PDF
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New seasonal pattern of pollution emerges from changing North American wildfires
Rising emissions from wildfires over recent decades in the Pacific Northwest are known to counteract the reductions in human-produced aerosol pollution over North America. Since...- publication PDF
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Nonequilibrium fractionation during ice cloud formation in iCAM5: Evaluating...
Supersaturation with respect to ice determines the strength of nonequilibrium fractionation during vapor deposition onto ice or snow and therefore influences the water isotopic...- publication PDF
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Hybrid simulations of a Tangential Discontinuity-driven Foreshock Bubble...
Hot flow anomalies (HFAs) and foreshock bubbles (FBs) are significant foreshock transients that can accelerate particles and disturb the magnetosphere-ionosphere system. Yet,...- publication PDF
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Present-day methane shortwave absorption mutes surface warming relative to...
Recent analyses show the importance of methane shortwave absorption, which many climate models lack. In particular, Allen et al. (2023) used idealized climate model...- publication PDF
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The Pacific Decadal Oscillation, Revisited
The Pacific decadal oscillation (PDO), the dominant year-round pattern of monthly North Pacific sea surface temperature (SST) variability, is an important target of ongoing...- publication PDF
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Global estimation of range resolved thermodynamic profiles from micropulse...
We demonstrate thermodynamic profile estimation with data obtained using the MicroPulse DIAL such that the retrieval is entirely self contained. The only external input is...- publication PDF
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Are terrestrial biosphere models fit for simulating the global land carbon sink?
The Global Carbon Project estimates that the terrestrial biosphere has absorbed about one-third of anthropogenic CO2 emissions during the 1959-2019 period. This sink-estimate is...- publication PDF
