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Dependency of the impacts of geoengineering on the stratospheric sulfur injec...
Injecting sulfur dioxide into the stratosphere with the intent to create an artificial reflective aerosol layer is one of the most studied options for solar radiation...- publication PDF
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NCAR Graphics Autograph: A Graphing Utility : Version 2.00
This report contains the technical manual for using the NCAR Graphics Autograph program.- publication PDF
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No consistent simulated trends in the Atlantic Meridional Overturning Circula...
The Atlantic Meridional Overturning Circulation (AMOC) is a key feature of the North Atlantic with global ocean impacts. The AMOC's response to past changes in forcings during...- publication PDF
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Application of postprocessing to watershed-scale subseasonal climate forecast...
Subseasonal to seasonal (S2S) climate forecasting has become a central component of climate services aimed at improving water management. In some cases, operational S2S climate...- publication PDF
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Efficiency of solar wind energy coupling to the ionosphere
We present a statistical investigation into the variations of the ionospheric energy coupling efficiencies with the solar wind energy input, the interplanetary magnetic field...- publication PDF
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Development of a Polar stratospheric cloud model within the Community Earth S...
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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Modeling the hydrologic influence of subsurface tile drainage using the Natio...
Subsurface tile drainage (TD) is a dominant agriculture water management practice in the United States (US) to enhance crop production in poorly drained soils. Assessments of...- publication PDF
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MLS measurements of stratospheric hydrogen cyanide during the 2015-2016 El N...
It is known from ground-based measurements made during the 1982-1983 and 1997-1998 El Nino events that atmospheric hydrogen cyanide (HCN) tends to be higher during such years...- publication PDF
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Possible connections of the opposite trends in Arctic and Antarctic sea-ice c...
Sea ice is an important component of the global climate system and a key indicator of climate change. A decreasing trend in Arctic sea-ice concentration is evident in recent...- publication PDF
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Effects of localized grid refinement on the general circulation and climatolo...
Using the spectral element (SE) dynamical core within the National Center for Atmospheric Research–Department of Energy Community Atmosphere Model (CAM), a regionally refined...- publication PDF
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Physics–dynamics coupling in weather, climate, and Earth system models: Chal...
Numerical weather, climate, or Earth system models involve the coupling of components. At a broad level, these components can be classified as the resolved fluid dynamics,...- publication PDF
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Pressure-gradient forcing methods for large-eddy simulations of flows in the ...
Turbulent flows over forest canopies have been successfully modeled using Large-Eddy Simulations (LES). Simulated winds result from the balance between a simplified pressure...- publication PDF
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Contrasting effects of CO2 fertilization, land-use change and warming on seas...
Continuous atmospheric CO2 monitoring data indicate an increase in the amplitude of seasonal CO2-cycle exchange (SCANBP) in northern high latitudes. The major drivers of...- publication PDF
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The wintertime covariation of CO2 and criteria pollutants in an urban valley ...
Numerous mountain valleys experience wintertime particulate pollution events, when persistent cold air pools (PCAPs) develop and inhibit atmospheric mixing, leading to the...- publication PDF
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A community forum for evaluation and use of seasonal forecasts of the North A...
The North American Monsoon (NAM) system is an annual weather pattern that brings summer rains to the dry regions of the United States southwest and northwestern Mexico. Broader...- publication PDF
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East Pacific ocean eddies and their relationship to subseasonal variability i...
Subseasonal variability in sea surface height (SSH) over the East Pacific warm pool off Central America is investigated using satellite observations and an eddy-resolving ocean...- publication PDF
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A mental models study of hurricane forecast and warning production, communica...
The study reported here explores how to enhance the public value of hurricane forecast and warning information by examining the entire warning process. A mental models research...- publication PDF
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The NCAR Terabit Memory System
This document describes the features required in the software for the NCAR Terabit Memory System (TMS-4). The introductory materials include information regarding capacity,...- publication PDF
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Parametric controls on vegetation responses to biogeochemical forcing in the ...
Future projections of land carbon uptake in Earth System Models are affected by land surface model responses to both CO2 and nitrogen fertilization. The Community Land Model,...- publication PDF
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Longitudinal variations of thermospheric composition at the solstices
O/N2, measured by the Global Ultraviolet Imager on board the Thermosphere Ionosphere Mesosphere Energetics Dynamics satellite, has large longitudinal variations at the...- publication PDF