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Icing conditions over Northern Eurasia in changing climate
Icing conditions, particularly in combination with wind, affect greatly the operation of overhead communication and transmission lines causing serious failures, which result in...- publication PDF
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The representative concentration pathways: an overview
This paper summarizes the development process and main characteristics of the Representative Concentration Pathways (RCPs), a set of four new pathways developed for the climate...- publication PDF
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On the eruption of coronal flux ropes
We present three-dimensional MHD simulations of the evolution of the magnetic field in the corona where the emergence of a twisted magnetic flux tube is driven at the lower...- publication PDF
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Stomatal function across temporal and spatial scales: Deep-time trends,...
The colonization of land by plants and their interaction with biogeochemical and atmospheric processes transformed continental climate and hydrology. Stomata, which evolved to...- publication PDF
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Reservoir regulation affects droughts and floods at local and regional scales
Hydrological extremes can be particularly impactful in catchments with high human presence where they are modulated by human intervention such as reservoir regulation. Still, we...- publication PDF
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Development of a Polar stratospheric cloud model within the Community Earth...
Polar stratospheric clouds (PSCs) are critical elements of Arctic and Antarctic ozone depletion. We establish a PSC microphysics model using coupled chemistry, climate, and...- publication PDF
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On Recent Large Antarctic Ozone Holes and Ozone Recovery Metrics
The 2015 and 2020 ozone holes set record sizes in October-December. We show that these years, as well as other recent large ozone holes, still adhere to a fundamental recovery...- publication PDF
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Improved seasonal prediction of temperature and precipitation over land in a...
This study demonstrates skillful seasonal prediction of 2-m air temperature and precipitation over land in a new high-resolution climate model developed by the Geophysical Fluid...- publication PDF
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Solar flare effects on 150-km echoes observed over Jicamarca: WACCM-X simulations
Jicamarca Radio Observatory observations and Whole Atmosphere Community Climate Model with thermosphere-ionosphere eXtension (WACCM-X) simulations are used to investigate the...- publication PDF
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The impact of climate change on ocean submesoscale activity
Global warming may modify submesoscale activity in the ocean through changes in the mixed layer depth (MLD) and lateral buoyancy gradients. As a case study we consider a region...- publication PDF
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The influence of local feedbacks and northward heat transport on the...
This study uses coupled climate model experiments to identify the influence of atmospheric physics [Community Atmosphere Model, versions 4 and 5 (CAM4; CAM5)] and ocean model...- publication PDF
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Derivation of turbulent kinetic energy from a first-order nonlocal planetary...
Turbulent kinetic energy (TKE) is derived from a first-order planetary boundary layer (PBL) parameterization for convective boundary layers: the nonlocal K-profile Yonsei...- publication PDF
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LongRunMIP: Motivation and design for a large collection of...
We present a model intercomparison project, LongRunMIP, the first collection of millennial-length (1,000+ years) simulations of complex coupled climate models with a...- publication PDF
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Aircraft measurements of gravity waves in the upper troposphere and lower...
This study analyzes in situ airborne measurements from the 2008 Stratosphere-Troposphere Analyses of Regional Transport (START08) experiment to characterize gravity waves in the...- publication PDF
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A mixed integer genetic algorithm used in chem-bio defense applications
There are many problems in security and defense that require a robust optimization technique, including those that involve the release of a chemical or biological contaminant....- publication PDF
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The maximum entropy limit of small-scale magnetic field fluctuations in the quiet Sun
The observed magnetic field on the solar surface is characterized by a very complex spatial and temporal behavior. Although feature-tracking algorithms have allowed us to deepen...- publication PDF
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UNIX Word Processing at HAO / (For Use With the 4.2 BSD Version and -Me...
This manual is a compilation of the word processing commands needed while using UNIX at the High Altitude Observatory of the National Center for Atmospheric Research in Boulder,...- publication PDF
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Exploring impacts of rapid-scan radar data on NWS warning decisions
Rapid-scan weather radars, such as the S-band phased array radar at the National Weather Radar Testbed in Norman, Oklahoma, improve precision in the depiction of severe storm...- publication PDF
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Superpressure Balloon Flights From Christchurch, New Zealand July 1968-December 1969
This report contains flight summaries and analyses of Phase III GHOST balloon flights in the period 1 July 1968 to 31 December 1969. These flights were launched from...- publication PDF
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Hydroclimate and ENSO variability recorded by oxygen isotopes from tree...
Hydroclimate variability in tropical South America is strongly regulated by the South American Summer Monsoon (SASM). However, past precipitation changes are poorly constrained...- publication PDF
