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Open science, data sharing and solidarity: Who benefits?
Research, innovation, and progress in the life sciences are increasingly contingent on access to large quantities of data. This is one of the key premises behind the "open...- publication PDF
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Assessment of the simulation of gravity waves generation by a tropical...
National Center for Atmospheric Research Whole Atmosphere Community Climate Model (WACCM) with quasi-uniform grid of similar to 25-km horizontal resolution can resolve gravity...- publication PDF
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Satellite observations of the tropical terrestrial carbon balance and...
A constellation of satellites is now in orbit providing information about terrestrial carbon and water storage and fluxes. These combined observations show that the tropical...- publication PDF
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Contrasting response of Mesoscale Convective Systems occurrence over...
Mesoscale convective systems (MCSs) are pivotal in global energy/water cycles and typically produce extreme weather events. Despite their importance, our understanding of their...- publication PDF
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The Brewer-Dobson circulation during the last glacial maximum
The Brewer-Dobson circulation during the Last Glacial Maximum (LGM) is investigated in simulations using the Whole Atmosphere Community Climate Model version 6. We examine...- publication PDF
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Effect of superrefraction on inversions of radio occultation signals in the...
Radio occultation remote sensing of the Earth's atmosphere by use of GPS encounters problems in the moist lower troposphere (planetary boundary layer). The negative errors in...- publication PDF
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Quantifying the role of ocean dynamics in SST variability across GCMs and...
Midlatitude SSTs forced by mesoscale oceanic processes can affect the large-scale atmosphere, pointing to the ocean’s crucial role outside the tropics. Previous studies...- publication PDF
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Multidecadal variability in surface albedo feedback across CMIP5 models
Previous studies quantify surface albedo feedback (SAF) in climate change, but few assess its variability on decadal time scales. Using the Coupled Model Intercomparison Project...- publication PDF
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Environmental effects of stratospheric ozone depletion, UV radiation, and...
This assessment by the Environmental Effects Assessment Panel (EEAP) of the United Nations Environment Programme (UNEP) provides the latest scientific update since our most...- publication PDF
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Evaluation of regional isoprene emission factors and modeled fluxes in California
Accurately modeled biogenic volatile organic compound (BVOC) emissions are an essential input to atmospheric chemistry simulations of ozone and particle formation. BVOC emission...- publication PDF
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Seasonality and variability of snowfall to total precipitation ratio over...
The ratio of snowfall to total precipitation (S/P ratio) is an important metric that is widely used to detect and monitor hydrologic responses to climate change over mountainous...- publication PDF
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G6-1.5K-SAI: A new Geoengineering Model Intercomparison Project (GeoMIP)...
The Geoengineering Model Intercomparison Project (GeoMIP) has proposed multiple model experiments during phases 5 and 6 of the Climate Model Intercomparison Project (CMIP), with...- publication PDF
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The NCAR GKS-compatible Graphics System
This document offers a brief overview of the NCAR GKS-compatible Graphics Package. It describes the package contents (code and documentation) and how to use it. GKS formalizes...- publication PDF
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The Ice Particle and Aggregate Simulator (IPAS). Part I: Extracting...
Aggregation, the process by which two or more ice particles attach to each other, is typically observed in clouds that span a range of temperatures and is influenced by the...- publication PDF
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Earth's atmosphere protects the biosphere from nearby supernovae
Geological evidence indicates that a supernova within 100 parsecs of Earth occurs around once per million years. Such nearby supernovas can produce an intense gamma-ray burst...- publication PDF
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The representation of Convectively Coupled Kelvin Waves in simulations with...
Convectively coupled Kelvin waves (CCKWs) are important drivers of tropical weather and may influence extreme rainfall and tropical cyclone formation. However, directly...- publication PDF
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Simulation of energetic particle precipitation effects during the 2003-2004...
Energetic particle precipitation (EPP) during the 2003-2004 Arctic winter led to the production and subsequent transport of reactive odd nitrogen (NOxâ=âNOâ+âNOâ) from...- publication PDF
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Assimilation of GNSS PWV with NCAR-RTFDDA to improve prediction of a landfall typhoon
Precipitable water vapor (PWV) retrieved from ground-based global navigation satellite system (GNSS) stations acquisition signal of a navigation satellite system provides high...- publication PDF
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WACCM-D Whole Atmosphere Community Climate Model with D-region ion chemistry
Energetic particle precipitation (EPP) and ion chemistry affect the neutral composition of the polar middle atmosphere. For example, production of odd nitrogen and odd hydrogen...- publication PDF
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The atmospheric response to three decades of observed Arctic sea ice loss
Arctic sea ice is declining at an increasing rate with potentially important repercussions. To understand better the atmospheric changes that may have occurred in response to...- publication PDF