-
On the origin of the asymmetric helicity injection in emerging active regions
To explore the possible causes of the observed asymmetric helicity flux in emerging active regions between the leading and following polarities reported in a recent study by...- publication PDF
-
Importance of lower atmospheric forcing and magnetosphere-ionosphere...
During geomagnetic storms a large amount of energy is transferred into the ionosphere-thermosphere (IT) system, leading to local and global changes in e.g., the dynamics,...- publication PDF
-
The connection between stellar granulation and oscillation as seen by the...
The long and almost continuous observations by Kepler show clear evidence of a granulation background signal in a large sample of stars, which is interpreted as the surface...- publication PDF
-
Parameterization of riming intensity and its impact on ice fall speed using ARM data
Riming within mixed-phase clouds can have a large impact on the prediction of clouds and precipitation within weather and climate models. The increase of ice particle fall speed...- publication PDF
-
MJO wind energy and prediction of El Niño
This study applies the energetic framework developed to quantify the interaction between the Madden-Julian Oscillation (MJO) and El Nino-Southern Oscillation (ENSO) to El Nino...- publication PDF
-
Future community efforts in understanding and modeling atmospheric processes
Approximately 160 participants from some 20 countries representing the weather and climate modeling community held an international workshop to overview the progress in...- publication PDF
-
Linear and non-linear response to parameter variations in a mesoscale model
Parameter uncertainty in atmospheric model forcing and closure schemes has motivated both parameter estimation with data assimilation and use of pre-specified distributions to...- publication PDF
-
Composition and reactivity of volatile organic compounds in the South Coast...
Comprehensive aircraft measurements of volatile organic compounds (VOCs) covering the South Coast Air Basin (SoCAB) and San Joaquin Valley (SJV) of California were obtained in...- publication PDF
-
Analysis of IASI tropospheric Oâ data over the Arctic during POLARCAT...
Ozone data retrieved in the Arctic region from infrared radiance spectra recorded by the Infrared Atmospheric Sounding Interferometer (IASI) on board the MetOp-A European...- publication PDF
-
Climatology of the migrating terdiurnal tide (TW3) in SABER/TIMED temperatures
The present paper is focused on the global spatial (altitude and latitude) structure and seasonal and interannual temporal variability of the migrating terdiurnal tide (TW3)...- publication PDF
-
Simulations of the equatorial thermosphere anomaly: Physical mechanisms for...
Several mechanisms including heat transport due to zonal winds, chemical heating and field-aligned ion drag have been proposed to explain the formation of the Equatorial...- publication PDF
-
Digging into the world beneath our feet: Bridging across scales in the age...
Climate change, land use practices, and other consequences of a growing human population affect soil sustainability. Unfortunately, scientists studying belowground processes...- publication PDF
-
Comparing the effect of anthropogenically amplified halogen natural...
Reactive halogens (X + XO, X = I, Br or Cl) catalytically destroy a fraction of tropospheric ozone under present-day (PD) conditions, however, their distribution and potential...- publication PDF
-
Introduction to the deep convective clouds and chemistry (DC3) 2012 studies
The Deep Convective Clouds and Chemistry (DC3) project aimed to determine the impact of deep, midlatitude continental convective clouds on tropospheric composition and...- publication PDF
-
Impact of CIR storms on thermosphere density variability during the solar...
The solar minimum of 2008 was exceptionally quiet, with sunspot numbers at their lowest in 75 years. During this unique solar-minimum epoch, however, solar-wind high-speed...- publication PDF
-
Diagnosing scale-dependent energy cycles in a high-resolution isopycnal ocean model
Energy exchanges between large-scale ocean currents and mesoscale eddies play an important role in setting the large-scale ocean circulation but are not fully captured in...- publication PDF
-
Sensitivity of an ocean general circulation model to a parameterization of...
A simplified version of the near-boundary eddy flux parameterization developed recently by Ferrari et al. has been implemented in the NCAR Community Climate System Model (CCSM3)...- publication PDF
-
Age spectra and other transport diagnostics in the North American monsoon...
The upper troposphere and lower stratosphere (UTLS) region during the summer monsoon season over North America (NAM) is influenced by the transport of air from a variety of...- publication PDF
-
Footprint of tropical mesoscale convective system variability on...
Mesoscale convective systems (MCSs) play a dominant role in tropical climate. However, the variabilities of their occurrences on a tropical-wide scale remain elusive, and the...- publication PDF
-
Improving numerical weather prediction-based near-cloud aviation turbulence...
Based on a convective gravity wave drag parameterization scheme in a numerical weather prediction (NWP) model, previously proposed near-cloud turbulence (NCT) diagnostics for...- publication PDF