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Block-structured adaptive meshes and reduced grids for atmospheric general...
Adaptive mesh refinement techniques offer a flexible framework for future variable-resolution climate and weather models since they can focus their computational mesh on certain...- publication PDF
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XUV photometer system (XPS): Improved solar irradiance algorithm using...
Solar soft X-ray (XUV) radiation is highly variable on all time scales and strongly affects Earth's ionosphere and upper atmosphere; consequently, the solar XUV irradiance is...- publication PDF
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Projecting changes in societally impactful northeastern U.S. snowstorms
The northeastern United States is vulnerable to many impacts from snowfall-producing winter cyclones that are amplified by the proximity of population centers to storm tracks....- publication PDF
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Modifications and Enhancements to the NCAR Community Climate Model (CCM1)
This report describes the two new unresequenced program libraries created for CCM1 in the early fall, 1988 which incorporate fixes to several bugs that were discovered earlier,...- publication PDF
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Evaluation of HOx sources and cycling using measurement-constrained model...
We present a detailed analysis of OH observations from the BEACHON (Bio-hydro-atmosphere interactions of Energy, Aerosols, Carbon, H₂O, Organics and Nitrogen)-ROCS (Rocky...- publication PDF
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Simulated trends in ionosphere-thermosphere climate due to predicted main...
The strength and structure of the Earth's magnetic field is gradually changing. During the next 50 years the dipole moment is predicted to decrease by 3.5%, with the South...- publication PDF
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Photosynthesis-dependent isoprene emission from leaf to planet in a global...
We describe the implementation of a biochemical model of isoprene emission that depends on the electron requirement for isoprene synthesis into the Farquhar–Ball–Berry leaf...- publication PDF
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Longitudinal variation of tides in the MLT region: 1. Tides driven by...
This study demonstrates that the diurnal cycle of net radiative heating in the troposphere accounts for considerable longitudinal variability of diurnal and semidiurnal tidal...- publication PDF
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Solving 3D magnetohydrostatics with RBF-FD: Applications to the solar corona
We present a novel magnetohydrostatic numerical model that solves directly for the force-balanced magnetic field in the solar corona. This model is constructed with Radial Basis...- publication PDF
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Equatorial signatures of the Pacific Meridional Modes: Dependence on mean...
Extratropical atmospheric variability can impact tropical climate in the Pacific sector via the Pacific Meridional Modes (PMMs). The South PMM (SPMM) has a larger equatorial...- publication PDF
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Progress in observations and simulations of global change in the upper atmosphere
Anthropogenic increases of greenhouse gases warm the troposphere but have a cooling effect in the middle and upper atmosphere. The steady increase of CO₂ is the dominant cause...- publication PDF
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Dynamics and predictability of tropical cyclone rapid intensification in...
Hurricane Patricia (2015) over the eastern Pacific was a record-breaking tropical cyclone (TC) under a very favorable environment during its rapid intensification (RI) period,...- publication PDF
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Does regional hydroclimate change scale linearly with global warming?
Many aspects of climate change scale linearly with global warming. However, nonlinear changes are possible, especially in the context of hydroclimate, and under emissions...- publication PDF
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Analysis of a dryline during IHOP: Implications for convection initiation
A detailed analysis of a dryline that formed on 22 May 2002 during the International H₂O Project (IHOP) is presented. The dryline was classified as a null case since air parcels...- publication PDF
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A longer vernal window: The role of winter coldness and snowpack in driving...
Climate change is altering the timing and duration of the vernal window, a period that marks the end of winter and the start of the growing season when rapid transitions in...- publication PDF
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Influence of the El Niño-Southern Oscillation on entry stratospheric water...
The connection between the dominant mode of interannual variability in the tropical troposphere, the El Nino-Southern Oscillation (ENSO), and the entry of stratospheric water...- publication PDF
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A link between the hiatus in global warming and North American drought
Portions of western North America have experienced prolonged drought over the last decade. This drought has occurred at the same time as the global warming hiatus—a decadal...- publication PDF
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MAPR wind profiler observations of tropical storms for the Clouds and...
The National Center for Atmospheric Research (NCAR) operated an Integrated Sounding System (ISS) in Miami, Florida, for the CPS (Clouds and Precipitation Study) in late summer...- publication PDF
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Daytime oxidized reactive nitrogen partitioning in Western U.S. wildfire smoke plumes
The Western Wildfire Experiment for Cloud Chemistry, Aerosol Absorption, and Nitrogen (WE-CAN) deployed the NSF/NCAR C-130 aircraft in summer 2018 across the western U.S. to...- publication PDF
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Previously neglected effects of strong horizontal winds on raindrop...
Persistent strong winds are a common feature within the near‐surface layer of tropical cyclones, which can induce pronounced horizontal motion as raindrops descend....- publication PDF
