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Reduced ENSO variability at the LGM revealed by an isotope-enabled Earth system model
Studying the El Nino-Southern Oscillation (ENSO) in the past can help us better understand its dynamics and improve its future projections. However, both paleoclimate...- publication PDF
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Middle atmosphere temperature trends in the twentieth and twenty-rirst...
We use Whole Atmosphere Community Climate Model simulations made under various climate change scenarios to study the evolution of the global-mean temperature trend in the late...- publication PDF
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Thermospheric wind observation and simulation during the Nov 4, 2021...
Thermospheric wind observations from high to mid latitudes are compared with the newly developed Multiscale Atmosphere Geospace Environment (MAGE) model for the Nov 3-4...- publication PDF
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Boundary Layer Profile Measurement System Engineering Report
The NCAR Field Observing Facility developed a new tethered-balloon wing system, known as the Meteorological Atmospheric Testing (MAT) Wing, which takes meteorological...- publication PDF
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The Fire Inventory from NCAR version 2.5: An updated global fire emissions...
We present the Fire Inventory from National Center for Atmospheric Research (NCAR) version 2.5 (FINNv2.5), a fire emissions inventory that provides publicly available emissions...- publication PDF
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The origin of nonlinear signatures of planetary wave dynamics: Mean phase...
Mean phase space tendencies are investigated to systematically identify the origin of nonlinear signatures and the dynamical significance of small deviations from Gaussianity of...- publication PDF
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Modeled surf‐zone eddies on a laboratory scale barred beach with varying...
Transient rip currents drive cross‐shore transport of nutrients, larvae, sediment, and other particulate matter. These currents are driven by short‐crested wave...- publication PDF
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Nonlocal transport due to Langmuir circulation in a coastal ocean
We present observations and simulations of large-scale velocity structures associated with turbulent boundary layer dynamics of a coastal ocean. Special purpose acoustic Doppler...- publication PDF
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Targeted dropwindsondes in complex terrain
The dropwindsonde (or dropsonde) is a frequently utilized tool in geophysical research and its use over ocean and flat terrain is a reliable and well-established practice. Its...- publication PDF
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Differential rotation in solar convective dynamo simulations
We carry out a magneto-hydrodynamic (MHD) simulation of convective dynamo in the rotating solar convective envelope driven by the solar radiative diffusive heat flux. The...- publication PDF
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Multi-decade measurements of the long-term trends of atmospheric species by...
Solar absorption spectra were recorded for the first time in 5 years with the McMath Fourier transform spectrometer at the US National Solar Observatory on Kitt Peak in southern...- publication PDF
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Double-peak subauroral ion drifts (DSAIDs)
This paper reports double-peak subauroral ion drifts (DSAIDs), which is unique subset of subauroral ion drifts (SAIDs). A statistical analysis has been carried out for the first...- publication PDF
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Vulnerability beyond stereotypes: Context and agency in hurricane risk communication
Risk communication may accentuate or alleviate the vulnerability of people who have particular difficulties responding to the threat of hazards such as hurricanes. The process...- publication PDF
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Spurious Indo-Pacific connections to internal Atlantic multidecadal...
The relative contributions of external forcing and internal processes to the observed spatial and temporal characteristics of "Atlantic Multidecadal Variability" (AMV) are still...- publication PDF
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Opinion: How fear of nuclear winter has helped save the world, so far
The direct effects of nuclear war would be horrific, with blasts, fires, and radiation killing and injuring many people. But in 1983, United States and Soviet Union scientists...- publication PDF
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Abundant nitrate and nitric acid aerosol in the upper troposphere and lower...
The tropospheric and stratospheric nitrate aerosol is simulated by a sectional aerosol model coupled to the Community Earth System Model. The simulated nitrate mass fractional...- publication PDF
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Convective momentum transport associated with the Madden-Julian Oscillation...
A better understanding of multiscale interactions within the Madden-Julian oscillation (MJO), including momentum exchanges, is critical for improved MJO prediction skill. In...- publication PDF
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A numerical investigation of hurricane Florence-induced compound flooding in...
Hurricane-induced compound flooding is a combined result of multiple processes, including overland runoff, precipitation, and storm surge. This study presents a dynamical...- publication PDF
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A Land Surface Model (LSM Version 1.0) for Ecological, Hydrological, and...
This technical note describes version 1 of this LSM land surface model. In this model, land surface processes are described in terms of biophysical fluxes (latent heat, sensible...- publication PDF
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An idealized numerical study of shear-relative low-level mean flow on...
Given comparable background vertical wind shear (VWS) magnitudes, the initially imposed shear-relative low-level mean flow (LMF) is hypothesized to modify the structure and...- publication PDF