-
An update of observed stratospheric temperature trends
An updated analysis of observed stratospheric temperature variability and trends is presented on the basis of satellite, radiosonde, and lidar observations. Satellite data...- publication PDF
-
The average influence of decadal solar forcing on the atmosphere in the...
Composite mean difference analyses are applied to historical sea level pressure (SLP) and sea surface temperature (SST) data to investigate the spatial dependence of the Pacific...- publication PDF
-
On the role of heterogeneous chemistry in ozone depletion and recovery
We demonstrate that identification of stratospheric ozone changes attributable to ozone depleting substances and actions taken under the Montreal Protocol requires evaluation of...- publication PDF
-
Downscaling extremes: A comparison of extreme value distributions in...
There is substantial empirical and climatological evidence that precipitation extremes have become more extreme during the twentieth century, and that this trend is likely to...- publication PDF
-
Subseasonal potential predictability of horizontal water vapor transport and...
Accurate forecasts of weather conditions have the potential to mitigate the social and economic damages they cause. To make informed decisions based on forecasts, it is...- publication PDF
-
Evaluation of subgrid-scale hydrometeor transport schemes using a...
Potential ways of parameterizing vertical turbulent fluxes of hydrometeors are examined using a high-resolution simulation of continental deep convection. The cloud-resolving...- publication PDF
-
The sensitivity of springtime Arctic mixed-phase stratocumulus clouds to...
In this study, a series of idealized large-eddy simulations is used to understand the relative impact of cloud-top and subcloud-layer sources of moisture on the...- publication PDF
-
Effects of excess ground ice on projections of permafrost in a warming climate
In permafrost soils, 'excess ice', also referred to as ground ice, exists in amounts exceeding soil porosity in forms such as ice lenses and wedges. Here, we incorporate a...- publication PDF
-
Application of Gauss's theorem to quantify localized surface emissions from...
Airborne estimates of greenhouse gas emissions are becoming more prevalent with the advent of rapid commercial development of trace gas instrumentation featuring increased...- publication PDF
-
A survey of small-scale waves and wave-like phenomena in Jupiter's...
In the first 20 orbits of the Juno spacecraft around Jupiter, we have identified a variety of wave-like features in images made by its public-outreach camera, JunoCam. Because...- publication PDF
-
Transport of chemical tracers from the boundary layer to stratosphere...
Chemical transport associated with the dynamics of the Asian summer monsoon (ASM) system is investigated using model output from the National Center for Atmospheric Research...- publication PDF
-
Climate SPHINX: evaluating the impact of resolution and stochastic physics...
The Climate SPHINX (Stochastic Physics HIgh resolutioN eXperiments) project is a comprehensive set of ensemble simulations aimed at evaluating the sensitivity of present and...- publication PDF
-
Population, uncertainty, and learning in climate change decision analysis
The prospect of learning about various uncertainties relevant to analyses of the climate change issue is important because it can affect estimates of the costs of both damages...- publication PDF
-
Eddy-modified iron, light, and phytoplankton cell division rates in the...
We examine the effects of Southern Ocean eddies on phytoplankton cell division rates in a global, multiyear, eddy-resolving, 3-D ocean simulation of the Community Earth System...- publication PDF
-
The solar cycle and solar dynamo models: Past accomplishments, present...
We describe the primary observational features of solar cycles, as seen in the photosphere, and review progress made over the past sixty years to simulate and predict these...- publication PDF
-
A fast, parameterized model of upper atmospheric ionization rates,...
Rapid specification of ionization rates and ion densities in the upper atmosphere is essential when many evaluations of the atmospheric state must be performed, as in global...- publication PDF
-
Urban sustainability and resilience: From theory to practice
Urbanization and urban areas are profoundly altering the relationship between society and the environment, and affecting cities' sustainability and resilience in complex ways at...- publication PDF
-
A Compressible nonhydrostatic cell-integrated semi-Lagrangian semi-implicit...
A cell-integrated semi-Lagrangian (CISL) semi-implicit nonhydrostatic solver for the fully compressible moist Euler equations in two-dimensional Cartesian (xâz) geometry is...- publication PDF
-
Comparing optimized CO emission estimates using MOPITT or NOAA surface...
This paper compares two global inversions to estimate carbon monoxide (CO) emissions for 2004. Either surface flask observations from the National Oceanic and Atmospheric...- publication PDF
-
COVID-19 crisis reduces free tropospheric ozone across the Northern Hemisphere
Throughout spring and summer 2020, ozone stations in the northern extratropics recorded unusually low ozone in the free troposphere. From April to August, and from 1 to 8...- publication PDF