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A dual-pass variational data assimilation framework for estimating soil...
To overcome the difficulties in determining the optimal parameters needed for a radiative transfer model (RTM), which acts as the observational operator in a land data...- publication PDF
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An overview of Antarctic sea ice in the Community Earth System Model version...
We assess Antarctic sea ice climatology and variability in version 2 of the Community Earth System Model (CESM2) and compare it to that in the older CESM1 and (where...- publication PDF
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Coupling large eddies and waves in turbulence: Case study of magnetic...
In turbulence, for neutral or conducting fluids, a large ratio of scales is excited because of the possible occurrence of inverse cascades to large, global scales together with...- publication PDF
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GPU parallelization of a hybrid pseudospectral geophysical turbulence...
An existing hybrid MPI-OpenMP scheme is augmented with a CUDA-based fine grain parallelization approach for multidimensional distributed Fourier transforms, in a well-...- publication PDF
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Anelastic and compressible simulation of moist deep convection
Anelastic and compressible solutions are compared for two moist deep convection benchmarks, a two-dimensional thermal rising in a saturated moist-neutral deep atmosphere, and a...- publication PDF
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Long-range pollution transport during the MILAGRO-2006 campaign: A case...
One of the major objectives of the Megacities Initiative: Local And Global Research Observations (MILAGRO-2006) campaign was to investigate the long-range transport of polluted...- publication PDF
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Toward the application of decadal climate predictions
Decadal prediction is a relatively new branch of climate science that bridges the gap between seasonal climate forecasts and multidecadal-to-century projections of climate...- publication PDF
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Radial velocity and wind measurement with NIMA-NWCA: Comparisons with human...
The National Center for Atmospheric Research (NCAR) Improved Moments Algorithm (NIMA) calculates the first and second moments (radial velocity and spectral width) of wind-...- publication PDF
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Evaluating ethane and methane emissions associated with the development of...
Sharp rises in the atmospheric abundance of ethane (CâHâ) have been detected from 2009 onwards in the Northern Hemisphere as a result of the unprecedented growth in the...- publication PDF
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An Overview of the Scientific Computing Division
This document is an expanded revision of An Overview of NCAR's Computing Environment (NCAR/TN-177+IA). It contains a new chapter describing the various departments within SCD...- publication PDF
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Antarctic ice-sheet meltwater reduces transient warming and climate...
Coupled global climate models (GCMs) generally fail to reproduce the observed sea-surface temperature (SST) trend pattern since the 1980s. The model-observation discrepancies...- publication PDF
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Sources of CAM3 temperature bias during northern winter from diagnostic...
The Community Atmosphere Model version 3 (CAM3) temperature simulation bias is examined in this paper. We compare CAM3 output with European Centre for Medium-Range Weather...- publication PDF
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Global Atmospheric Circulation Statistics, 1000-1 mb
This atlas presents atmospheric general circulation statistics derived from twelve years (1979-1990) of daily National Meteorological Center (NMC) operational geopotential...- publication PDF
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Improved modeling of cloudy-sky actinic flux using satellite cloud retrievals
Clouds play a critical role in modulating tropospheric radiation and thus photochemistry. We develop a methodology for calculating the vertical distribution of tropospheric...- publication PDF
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The role of downward plasma diffusion in the ionospheric nighttime Weddell...
This study investigates the role of downward plasma diffusion in the ionospheric nighttime Weddell Sea Anomaly (WSA), characterized by an anomalous diurnal electron density peak...- publication PDF
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Stronger decadal variability of the Kuroshio Extension under simulated...
Understanding the behavior of western boundary current systems is crucial for predictions of biogeochemical cycles, fisheries, and basin-scale climate modes over the midlatitude...- publication PDF
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Planetary Wave (PW) generation in the thermosphere driven by the...
The National Center for Atmospheric Research thermosphere-ionosphere-electrodynamics general circulation model (TIE-GCM) is used to conduct numerical experiments that isolate...- publication PDF
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Identifying sensitivities in flood frequency analyses using a stochastic...
This study employs a stochastic hydrologic modeling framework to evaluate the sensitivity of flood frequency analyses to different components of the hydrologic modeling chain....- publication PDF
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The extratropical upper troposphere and lower stratosphere
The extratropical upper troposphere and lower stratosphere (Ex-UTLS) is a transition region between the stratosphere and the troposphere. The Ex-UTLS includes the tropopause, a...- publication PDF
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New aspects of the ionospheric response to the October 2003 superstorms from...
The total electron content (TEC) data measured by the Jason, CHAMP, GRACE, and SAC-C satellites, the in situ electron densities from CHAMP and GRACE, and the vertical EâÃâB...- publication PDF
