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The IBM 4341: Gateway to NCAR Computers
This report details the use of the IBM 4341 which offers four general services to the user: communication facilities, code development tools, job management utilities, and...- publication PDF
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Mechanisms and impacts of Earth system tipping elements
Tipping elements are components of the Earth system which may respond nonlinearly to anthropogenic climate change by transitioning toward substantially different long-term...- publication PDF
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Are current guidelines for sun protection optimal for health? Exploring the evidence
Exposure of the skin to ultraviolet (UV) radiation is the main risk factor for skin cancer, and a major source of vitamin D, in many regions of the world. Sun protection...- publication PDF
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Contrasting impacts of radiative forcing in the Southern Ocean versus...
Most current climate models suffer from pronounced cloud and radiation biases in the Southern Ocean (SO) and in the tropics. Using one GFDL climate model, this study...- publication PDF
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Case Studies on Convective Storms / Case Study 5, 12 July 1978: First Echo Case
A small, isolated, short-lived cumulus congestus was studied using primarily a10 cm radar, a cloud penetration with an instrumented sailplane, and time-lapse photography froman...- publication PDF
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The fastest-growing and most destructive fires in the US (2001 to 2020)
The most destructive and deadly wildfires in US history were also fast. Using satellite data, we analyzed the daily growth rates of more than 60,000 fires from 2001 to 2020...- publication PDF
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Macroscopic impacts of cloud and precipitation processes in shallow convection
This paper presents application of the EULAG model combined with a sophisticated double-moment warm-rain microphysics scheme to the model intercomparison case based on RICO...- publication PDF
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Sensitivity of the water cycle over the Indian Ocean and Maritime Continent...
A regional model was used to simulate the water cycle over the Indian Ocean (IO) and Maritime Continent (MC). Sixteen 92 day simulations were performed using different...- publication PDF
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Large-scale temperature response to external forcing in simulations and...
Understanding natural climate variability and its driving factors is crucial to assessing future climate change. Therefore, comparing proxy-based climate reconstructions with...- publication PDF
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The Sea Ice Simulation of the Community Climate System Model, Version Two
This article does not have an abstract or article summary.- publication PDF
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Further improvement and evaluation of nudging in the E3SM Atmosphere Model...
A previous study on the use of nudging in E3SM Atmosphere Model version 1 (EAMv1) had an unresolved issue; i.e., a simulation nudged to EAMv1's own meteorology showed non-...- publication PDF
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Interannual and seasonal drivers of carbon cycle variability represented by...
Earth system models are intended to make long-term projections, but they can be evaluated at interannual and seasonal time scales. Although the Community Earth System Model...- publication PDF
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Seasonal dependence of geomagnetic active-time northern high-latitude upper...
This study is focused on improving the poorly understood seasonal dependence of northern high-latitude F region thermospheric winds under active geomagnetic conditions. The gaps...- publication PDF
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Preface to a special issue "Megacity Air Pollution Studies (MAPS)"
Large urban areas, commonly referred to as megacities, generally consume a huge amount of energy due to the high population density along with concentrated economic activities,...- publication PDF
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Annual/semiannual variation of the ionosphere
We investigated the relationship between the systematic annual and semiannual variations in the ionosphere and thermosphere using a combination of data analysis and model...- publication PDF
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An ensemble-based explicit four-dimensional variational assimilation method
The adjoint and tangent linear models in the traditional four-dimensional variational data assimilation (4DVAR) are difficult to obtain if the forecast model is highly nonlinear...- publication PDF
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Vertical profiles of ozone concentrations in the lower troposphere downwind...
While surface concentrations of ozone are routinely monitored, ozone aloft is infrequently measured, but critical for a full understanding of ozone production and transport. In...- publication PDF
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Sensitivity of organized convective storms to model grid spacing in current...
Mesoscale convective systems (MCSs) are complexes of thunderstorms that become organized and cover hundreds of kilometres over several hours. MCSs are prolific rain producers in...- publication PDF
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Seasonal constraints on inferred planetary heat content
Planetary heating can be quantified using top of the atmosphere energy fluxes or through monitoring the heat content of the Earth system. It has been difficult, however, to...- publication PDF
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Modeling organic aerosols in a megacity: Potential contribution of...
It has been established that observed local and regional levels of secondary organic aerosols (SOA) in polluted areas cannot be explained by the oxidation and partitioning of...- publication PDF
