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Inhomogeneous background error modeling and estimation over Antarctica
The structure of the analysis increments in a variational data assimilation scheme is strongly driven by the formulation of the background error covariance matrix, especially in...- publication PDF
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Trajectory model simulations of ozone (Oâ) and carbon monoxide (CO) in the...
A domain-filling, forward trajectory model originally developed for simulating stratospheric water vapor is used to simulate ozone (Oâ) and carbon monoxide (CO) in the lower...- publication PDF
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Characteristics and sources of intense geoelectric fields in the United...
Intense geoelectric fields during geomagnetic storms drive geomagnetically induced currents in power grids and other infrastructure, yet there are limited direct measurements of...- publication PDF
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Future dust concentration over the Middle East and North Africa region under...
The Middle East and North Africa (MENA) region is the dustiest region in the world, and understanding the projected changes in the dust concentrations in the region is crucial....- publication PDF
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Assimilation of satellite NO2 observations at high spatial resolution using OSSEs
Observations of trace gases from space-based instruments offer the opportunity to constrain chemical and weather forecast and reanalysis models using the tools of data...- publication PDF
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The "year" of tropical convection (May 2008-April 2010): Climate variability...
The representation of tropical convection remains a serious challenge to the skillfulness of our weather and climate prediction systems. To address this challenge, the World...- publication PDF
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Spatial modeling of agricultural land use change at global scale
Long-term modeling of agricultural land use is central in global scale assessments of climate change, food security, biodiversity, and climate adaptation and mitigation...- publication PDF
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Evaluation of MOPITT and TROPOMI carbon monoxide retrievals using AirCore in...
AirCore in situ vertical profiles sample the atmosphere from near the surface to the lower stratosphere, making them ideal for the validation of satellite tropospheric trace gas...- publication PDF
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Connecting local ecological knowledge and Earth system models: Comparing...
In this article we analyze participatory approaches used in three research studies where local ecological knowledge (LEK) and Earth system models (ESMs) were combined to deepen...- publication PDF
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The Sundowner Winds Experiment (SWEX) in Santa Barbara, California:...
Coastal Santa Barbara is among the most exposed communities to wildfire hazards in Southern California. Downslope, dry, and gusty windstorms are frequently observed on the south...- publication PDF
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Pulse Compression for Phased Array Weather Radars
This Technical Report is a reprint of the Final Report from NCAR's Atmospheric Technology Division on work performed from 1991 through 1995 for the FAA Terminal Area...- publication PDF
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Revisiting particle sizing using greyscale optical array probes: evaluation...
In situ observations from research aircraft and instrumented ground sites are important contributions to developing our collective understanding of clouds and are used to inform...- publication PDF
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Ionosphere variability during the 2009 SSW: Influence of the lunar...
To investigate ionosphere variability during the 2009 sudden stratosphere warming (SSW), we present simulation results that combine the Whole Atmosphere Community Climate Model...- publication PDF
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Determining the origin of tidal oscillations in the ionospheric transition...
At high-latitudes, diurnal and semidiurnal variations of temperature and neutral wind velocity can originate both in the lower atmosphere (UV or infrared absorption) and in the...- publication PDF
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Solar cycle dependence of middle atmosphere temperatures
Sounding of the Atmosphere using Broadband Emission Radiometry (SABER) temperature data during 2002 through 2013 and covering 20â110 km altitude between ±83° latitude are...- publication PDF
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Inherently conservative nonpolynomial-based remapping schemes: Application...
A group of new conservative remapping schemes based on nonpolynomial approximations is proposed. The remapping schemes rely on the conservative cascade scheme (CCS), which...- publication PDF
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Prediction of the in situ coronal mass ejection rate for solar cycle 25:...
The Parker Solar Probe (PSP) and Solar Orbiter missions are designed to make groundbreaking observations of the Sun and interplanetary space within this decade. We show that a...- publication PDF
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Asian monsoon transport of pollution to the stratosphere
Transport of air from the troposphere to the stratosphere occurs primarily in the tropics, associated with the ascending branch of the Brewer-Dobson circulation. Here, we...- publication PDF
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Comments on "Indications of stratified turbulence in a mechanistic GCM"
This article does not have an abstract or article summary.- publication PDF
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Assessing convection permitting resolutions of WRF for the purpose of water...
Convective permitting simulations are increasingly pursued for providing physically more credible climate projections of rainfall. Their value is likely to be greater for...- publication PDF
