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Critical role of biomass burning aerosols in enhanced historical Indian Ocean warming
The tropical Indian Ocean (TIO) has experienced enhanced surface warming relative to the tropical mean during the past century, but the underlying mechanisms remain unclear....- publication PDF
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Climatology, long-term trend, and solar response of Na density based on 28...
The climatology of earth's Na density over Fort Collins, CO (41 degrees N, 105 degrees W) based on nocturnal Na lidar observations between 1990 and 1999 was reported by She et...- publication PDF
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Northern Hemisphere stratosphere-troposphere circulation change in CMIP6...
We analyze the sources for spread in the response of the Northern Hemisphere wintertime stratospheric polar vortex (SPV) to global warming in Climate Model Intercomparison...- publication PDF
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Ocean complexity shapes sea surface temperature variability in a CESM2...
To improve understanding of ocean processes impacting monthly sea surface temperature (SST) variability, we analyze a Community Earth System Model, version 2, hierarchy in which...- publication PDF
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Reducing overdispersion in stochastic weather generators using a generalized...
Stochastic weather generators are commonly used to simulate time series of daily weather, especially minimum (Tmin) and maximum (Tmax) temperature and amount of precipitation....- publication PDF
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Greenhouse gas forcing and climate feedback signatures identified in...
Global greenhouse gas forcing and feedbacks are the primary causes of climate change but have limited direct observations. Here we show that continuous, stable, global,...- publication PDF
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Report on the 2023 Workshop on Correctness and Reproducibility for Climate...
A workshop on "Correctness and Reproducibility for Climate and Weather Software" was held on November 9-10, 2023, at the National Center for Atmospheric Research in Boulder, CO....- publication PDF
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Upper-stratospheric temperature trends: New results from the Optical...
Abstract. Temperature trends in the upper stratosphere, particularly above ∼ 45 km, are difficult to quantify due to a lack of observational data with high...- publication PDF
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Modeling past hothouse climates as a means for assessing Earth System Models...
Simulating the warmth and equability of past hothouse climates has been a challenge since the inception of paleoclimate modeling. The newest generation of Earth system models...- publication PDF
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The choice of baseline period influences the assessments of the outcomes of...
The specifics of the simulated injection choices in the case of stratospheric aerosol injections (SAI) are part of the crucial context necessary for meaningfully discussing the...- publication PDF
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GARD-LENS: A downscaled large ensemble dataset for understanding future...
This article introduces the Generalized Analog Regression Downscaling method Large Ensemble (GARD-LENS) dataset, comprised of daily precipitation, mean temperature, and...- publication PDF
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Reduction of drag coefficient due to misaligned wind-waves
Recent field observations suggest that the air-sea momentum flux (or the drag coefficient) is significantly reduced when the dominant wind-forced surface waves are misaligned...- publication PDF
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Role of the stratosphere in the global mercury cycle
Mercury (Hg) is a global pollutant with substantial risks to human and ecosystem health. By upward transport in tropical regions, mercury enters into the stratosphere, but the...- publication PDF
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Coupled decline in ocean pH and carbonate saturation during the...
The Palaeocene–Eocene Thermal Maximum, a climate event 56 million years ago, was characterized by rapid carbon release and extensive ocean acidification. However, our...- publication PDF
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Influence of ENSO and volcanic eruptions on Himalayan jet latitude
The position of the subtropical jet over the Himalayas (Himalayan jet) affects extreme precipitation and heat over Central and South Asia. We examine the influence of two major...- publication PDF
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The structure of sunspot penumbrae. IV. MHS equilibrium for penumbral flux...
Aims.We study the magnetohydrostatic equilibrium of magnetic flux tubes with circular cross sections embedded in a magnetic surrounding atmosphere. Methods.We solve the static...- publication PDF
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Improving postdoctoral training programs through alumni perspectives and...
The Advanced Study Program (ASP) at the National Center for Atmospheric Research has supported the career development of postdoctoral fellows for over 60 years. This study of...- publication PDF
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Planetary dynamos from a solar perspective
Direct numerical simulations of the geodynamo and other planetary dynamos have been successful in reproducing the observed magnetic fields. We first give an overview on the...- publication PDF
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Comparison of the Coastal and Regional Ocean COmmunity model (CROCO) and...
Advances in coastal modeling and computation provide the opportunity to examine non-hydrostatic and compressible fluid effects at very small scales, but the cost of these new...- publication PDF
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Dynamic forcing and mesoscale variability of heavy precipitation events over...
The aim of this research is to investigate the causes for an isolated maximum in precipitation that is typically found along the northern half of the Sierra Nevada mountains of...- publication PDF
