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Airborne measurements of oxygen concentration from the surface to the lower...
We have developed in situ and flask sampling systems for airborne measurements of variations in the O-2/N-2 ratio at the part per million level. We have deployed these...- publication PDF
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Initiation of an elevated mesoscale convective system with the influence of...
A mesoscale convective system (MCS) was initiated on the lee side of the Wuling Mountain in central-east China in the late afternoon (1700 LT) on June 27, 2016, and led to an...- publication PDF
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Interpreting coronal polarization observations
Solar coronal polarization observations are an underused data product because of the difficulties in interpreting the data and in calculating an inversion. The physics of the...- publication PDF
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Influences of changing sea ice and snow thicknesses on simulated Arctic...
In the high-latitude Arctic, wintertime sea ice and snow insulate the relatively warmer ocean from the colder atmosphere. While the climate warms, wintertime Arctic surface heat...- publication PDF
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Users' Guide to NCAR CCM1
This document describes the program design, data organization and operation of the version of NCAR Community Climate Model designated CCM1. The User's Guide is intended to...- publication PDF
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CO source contribution analysis for California during ARCTAS-CARB
Air pollution is of concern in many parts of California and is impacted by both local emissions and also by pollution inflow from the North Pacific Ocean. In this study, we use...- publication PDF
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Simulations of the Tropical General Circulation with a Multiscale Global Model
Cloud processes play a central role in the dynamics of the tropical atmosphere, but for many years the shortcomings of cloud parameterizations have limited our ability to...- publication PDF
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Global simulations of ice nucleation and ice supersaturation with an...
A process-based treatment of ice supersaturation and ice nucleation is implemented in the National Center for Atmospheric Research Community Atmosphere Model (CAM). The new...- publication PDF
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Short-term convection-allowing ensemble precipitation forecast sensitivity...
Nine sets of 36-h, 10-member, convection-allowing ensemble (CAE) forecasts with 3-km horizontal grid spacing were produced over the conterminous United States for a 4-week...- publication PDF
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Observational constraints on glyoxal production from isoprene oxidation and...
We use a 0-D photochemical box model and a 3-D global chemistry-climate model, combined with observations from the NOAA Southeast Nexus (SENEX) aircraft campaign, to understand...- publication PDF
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On the numerical treatment of hydrometeor sedimentation in bulk and hybrid...
Hybrid bulk--bin microphysics schemes discretize particle size distributions into bins for calculating microphysical process rates, while retaining a limited number of bulk...- publication PDF
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Direct numerical simulation of the Plumb-McEwan laboratory analogue of the QBO
The laboratory experiment of Plumb and McEwan demonstrates the principal mechanism of periodically reversing winds observed in the stratosphere--the quasi-biennial oscillation...- publication PDF
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Exploring the water-energy nexus in California via an integrative modeling approach
A climatically driven, water system modeling framework that captures a full range of interacting components at necessary spatiotemporal scales was developed for the Southwestern...- publication PDF
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Using logic regression to characterize extreme heat exposures and their...
Background Short-term associations between extreme heat events and adverse health outcomes are well-established in epidemiologic studies. However, the use of different exposure...- publication PDF
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The Deepwater Horizon oil spill marine mammal injury assessment
From 2010 to 2015, a team of scientists studied how the BP Deepwater Horizon (DWH) oil spill affected marine mammals inhabiting the northern Gulf of Mexico, as part of the DWH...- publication PDF
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Time evolution of the intensity and size of tropical cyclones
The purpose of this paper is to analyze the life cycle of tropical cyclones in terms of a K-Vmax diagram. Such a diagram summarizes the time evolution of the integrated kinetic...- publication PDF
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Comparison between GPS radio occultation electron densities and in situ...
Constellation Observing System for Meteorology, Ionosphere, and Climate (COSMIC) Global Positioning System (GPS) radio occultation (RO) electron densities are compared with...- publication PDF
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Contribution of ion-induced nucleation to new particle formation:...
This paper investigates the role of ion-induced nucleation (IIN) in new particle formation events observed near ground level at a sampling site located near Boulder, Colorado...- publication PDF
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Spatial patterns of wet season precipitation vertical gradients on the...
The Tibetan Plateau and the surrounding (TPS) with its vast land mass and high elevation affects regional climate and weather. The TPS is also the headwater of 9 major Asian...- publication PDF
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Mathematical and physical ideas for climate science
The climate is a forced and dissipative nonlinear system featuring nontrivial dynamics on a vast range of spatial and temporal scales. The understanding of the climate's...- publication PDF
