-
Theoretical study of the ionospheric plasma cave in the equatorial...
This paper investigates the physical mechanism of an unusual equatorial electron density structure, plasma cave, located underneath the equatorial ionization anomaly by using...- publication PDF
-
The path integral formulation of climate dynamics
The chaotic nature of the atmospheric dynamics has stimulated the applications of methods and ideas derived from statistical dynamics. For instance, ensemble systems are used to...- publication PDF
-
Impact of microphysics scheme complexity on the propagation of initial perturbations
The study of evolution characteristics of initial perturbations is an important subject in four-dimensional variational data assimilation (4DVAR) and mesoscale predictability...- publication PDF
-
Surface observed global land precipitation variations during 1900-1988
The authors have analyzed global station data and created a gridded dataset of monthly precipitation for the period of 1900-88. Statistical analyses suggest that discontinuities...- publication PDF
-
Total lightning activity as an indicator of updraft characteristics
This study investigates the relationship of total lightning activity and updraft characteristics, such as updraft volume and maximum updraft speed, for a number of storms of...- publication PDF
-
Vertical motions in orographic cloud systems over the Payette River Basin....
This paper examines the controls on supercooled liquid water content (SLWC) and drop number concenExperiment (SNOWIE) campaign. During SNOWIE, 27.4% of 1-Hz in situ cloud...- publication PDF
-
Assimilation of IASI satellite CO fields into a global chemistry transport...
This work evaluates the IASI CO product against independent in-situ aircraft data from the MOZAIC program and the POLARCAT aircraft campaign. The validation is carried out by...- publication PDF
-
A pause in the weakening of the Atlantic meridional overturning circulation...
The current state-of-the-art climate models when combined together suggest that the anthropogenic weakening of the Atlantic Meridional Overturning Circulation (AMOC) has already...- publication PDF
-
Data-model comparison using FORWARD and CoMP
The FORWARD SolarSoft IDL package is a community resource for model-data comparison, with a particular emphasis on analyzing coronal magnetic fields. FORWARD allows the...- publication PDF
-
The change in the ENSO teleconnection under a low global warming scenario...
El Nino-Southern Oscillation (ENSO) is a main driver of climate variability worldwide, but the presence of atmospheric internal variability makes accurate assessments of its...- publication PDF
-
Evaluating global warming potentials with historical temperature
Global Warming Potentials (GWPs) are evaluated with historical temperature by applying them to convert historical CHâ and NâO emissions to equivalent COâ emissions. Our...- publication PDF
-
Assessing variance components of general circulation model output fields
Recent internationally coordinated efforts have used deterministic climate models for a common set of experiments and have produced large datasets of future climate projections....- publication PDF
-
Anomalous electron heating effects on the E region ionosphere in TIEGCM
We have recently implemented a new module that includes both the anomalous electron heating and the electron-neutral cooling rate correction associated with the Farley-Buneman...- publication PDF
-
The role of midlatitude mixing barriers in creating the annual variation of...
Data from the HIgh Resolution Dynamics Limb Sounder (HIRDLS), the Microwave Limb Sounder (MLS), and the Whole Atmosphere Community Climate Model (WACCM) are used to investigate...- publication PDF
-
Precipitation regime of Dronning Maud Land, Antarctica, derived from...
The precipitation regime of Dronning Maud Land (DML), Antarctica, was studied using Antarctic Mesoscale Prediction System (AMPS) archive data. Precipitation is the most...- publication PDF
-
Temporal variability in the Antarctic Polar Front (2002-2014)
We investigate intraannual to interannual variability in the Antarctic Polar Front (PF) using weekly PF realizations spanning 2002-2014 (found at...- publication PDF
-
Comparisons between pseudospectral and radial basis function derivative...
Fourier-based pseudospectral (PS) methods have been used since the 1970s for obtaining spectrally accurate solutions to PDEs in periodic geometries. Radial basis functions...- publication PDF
-
A unified modeling approach to climate system prediction
There is a new perspective of a continuum of prediction problems, with a blurring of the distinction between short-term predictions and long-term climate projections. At the...- publication PDF
-
Improved techniques for evaluating GCM cloudiness applied to the NCAR CCM3
Evaluations of GCM cloudiness typically compare climatological output with observations, but averaging over time can obscure the presence of compensating errors. A more...- publication PDF
-
Climates of the 20th and 21st centuries simluated by the NCAR Climate System Model
The Climate System Model, a coupled global climate model without "flux adjustments" recently developed at the National Center for Atmospheric Research, was used to simulate the...- publication PDF