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Easterly wave contributions to seasonal rainfall over the tropical Americas...
Easterly waves (EWs) are important moisture carriers and their variability can impact the total May-November rainfall, defined as seasonal precipitation, over the Tropical...- publication PDF
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Turbulent cascades, transfer, and scale interactions in magnetohydrodynamics
The nature of the interactions between different scales in magneto-hydrodynamic (MHD) turbulence is important for the understanding of the behaviour of magnetized astrophysical,...- publication PDF
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Radar scattering from ice aggregates using the horizontally aligned oblate...
The assumed relationship between ice particle mass and size is profoundly important in radar retrievals of ice clouds, but, for millimeter-wave radars, shape and preferred...- publication PDF
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Impacts of Arctic sea ice on cold season atmospheric variability and trends...
To examine the atmospheric responses to Arctic sea ice variability in the Northern Hemisphere cold season (from October to the following March), this study uses a coordinated...- publication PDF
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Covariance tapering for likelihood-based estimation in large spatial data sets
Maximum likelihood is an attractive method of estimating covariance parameters in spatial models based on Gaussian processes. But calculating the likelihood can be...- publication PDF
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Coupled chemistry climate model simulations of the solar cycle in ozone and...
The 11-year solar cycles in ozone and temperature are examined using new simulations of coupled chemistry climate models. The results show a secondary maximum in stratospheric...- publication PDF
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The Network for the Detection of Atmospheric Composition Change (NDACC):...
The Network for the Detection of Atmospheric Composition Change (NDACC) is an international global network of more than 90 stations making high-quality measurements of...- publication PDF
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Interpolating fields of carbon monoxide data using a hybrid...
These are supplemental notes on the derivations of the conditional distributions appearing in the paper: Interpolating Fields of Carbon Monoxide Data Using a Hybrid Statistical-...- publication PDF
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Effects of time step size on the simulation of tropical climate in NCAR-CAM3
This paper describes the effects of time step on the simulation of tropical climate in the NCAR-Community Atmosphere Model version 3 (CAM3). A set of multi-year integrations are...- publication PDF
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High-resolution large-eddy simulations of flow in the complex terrain of the...
Improving the calculation of land-atmosphere fluxes of heat and water vapor in mountain terrain requires better resolution of thermally driven diurnal winds (i.e., valley, slope...- publication PDF
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D-region ion-neutral coupled chemistry (Sodankylä Ion Chemistry, SIC)...
This study presents a new ion-neutral chemical model coupled into the Whole Atmosphere Community Climate Model (WACCM). The ionospheric D-region (altitudes similar to 50-90 km)...- publication PDF
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The seasonal cycle and interannual variability in stratospheric temperatures...
Previous studies have shown that lower-stratosphere temperatures display a near-perfect cancellation between tropical and extratropical latitudes on both annual and interannual...- publication PDF
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The effect of rapid adjustments to halocarbons and N2O on radiative forcing
Rapid adjustments occur after initial perturbation of an external climate driver (e.g., CO2) and involve changes in, e.g. atmospheric temperature, water vapour and clouds,...- publication PDF
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Vertical drafts and mixing in stratified turbulence: Sharp transition with...
We investigate the large-scale intermittency of vertical velocity and temperature, and the mixing properties of stably stratified turbulent flows using both Lagrangian and...- publication PDF
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Retrieval of aerosol single scattering albedo at ultraviolet wavelengths at...
Surface measurements of direct and diffuse voltages at UV wavelengths were made at the T1 site during the MILAGRO (Megacity Initiative: Local and Global Research Observations)...- publication PDF
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A tracer study of the Arctic Ocean's liquid freshwater export variability
We present an analysis of the variability of the liquid Arctic freshwater (FW) export, using a simulation from the Community Climate System Model Version 3 (CCSM3) that includes...- publication PDF
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Evaluation of a cosmic-ray neutron sensor network for improved land surface...
In situ soil moisture sensors provide highly accurate but very local soil moisture measurements, while remotely sensed soil moisture is strongly affected by vegetation and...- publication PDF
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Quantitative precipitation estimation of the epic 2013 Colorado flood event:...
The accuracy of rain-rate estimation using polarimetric radar measurements has been improved as a result of better characterization of radar measurement quality and rain...- publication PDF
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The rotation of the sun from Mount Wilson sunspot measurements
This article does not have an abstract or article summary.- publication PDF
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Observations of eastward propagation of atmospheric intraseasonal...
Significant 40â60 day intraseasonal variability in surface winds, sea level, and thermocline depth were observed in the tropical Atlantic during the Atlantic Niño year of...- publication PDF