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The impact of rising atmospheric CO₂ on simulated sea ice induced...
The impact of rising atmospheric CO2 levels on the sea ice induced low frequency variability of the North Atlantic climate is examined using a coupled ice/ocean/atmosphere...- publication PDF
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Comparison of regime-sorted tropical cloud profiles observed by CloudSat...
CloudSat observed tropical liquid and ice water content (L/IWC, Version 4) profiles are compared with GEOS5 analyses, NCAR-CAM3, and GFDL-AM2 simulations. Both the analyses and...- publication PDF
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Idealized global nonhydrostatic atmospheric test cases on a reduced-radius sphere
Idealized simulations on a reduced-radius sphere can provide a useful vehicle for evaluating the behavior of nonhydrostatic processes in nonhydrostatic global atmospheric...- publication PDF
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Stochastic atmospheric forcing as a cause of Greenland climate transitions
An unforced simulation of the Community Climate System Model, version 4 (CCSM4), is found to have Greenland warming and cooling events that resemble Dansgaard-Oeschger cycles in...- publication PDF
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Sunspot observations by Hisako Koyama: 1945-1996
Sunspot records are the only observational tracer of solar activity that provides a fundamental, multicentury reference. Its homogeneity has been largely maintained with a...- publication PDF
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Corrigendum: 'Reframing climate change assessments around risk:...
This is a corrigendum for the article 2017 Environ. Res. Lett. 12 080201- publication PDF
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Atlas of Simultaneous Occurrence of Different Cloud Types Over Land
This is the second atlas in a series of four atlases from a study of the global cloud distribution from ground-based observations. The atlas covers cloud observations over the...- publication PDF
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The potential utility of high-resolution ensemble sensitivity analysis for...
Expansion in the availability of relocatable near-surface atmospheric observing sensors introduces the question of where placement maximizes gain in forecast accuracy. As one...- publication PDF
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A nonlinear perspective on the dynamics of the MJO: Idealized large-eddy simulations
The 30-60-day intraseasonal atmospheric oscillation in the equatorial atmosphere, the Madden-Julian oscillation (MJO), is most visible in its signature of outgoing longwave...- publication PDF
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Sensitivity of convective cell dynamics and microphysics to model resolution...
The OWLeS IOP2b lake-effect case is simulated using the Weather Research and Forecasting (WRF) Model with a horizontal grid spacing of 148 m (WRF-LES mode). The dynamics and...- publication PDF
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Modeling the subsurface structure of sunspots
While sunspots are easily observed at the solar surface, determining their subsurface structure is not trivial. There are two main hypotheses for the subsurface structure of...- publication PDF
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Acute association between heatwaves and stillbirth in six US states
Background Heatwaves are becoming more frequent and may acutely increase the risk of stillbirth, a rare and severe pregnancy outcome. Objectives Examine the association between...- publication PDF
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Changes in the Earth's magnetic field over the past century: Effects on the...
We investigated the contribution of changes in the Earth's magnetic field to long-term trends in the ionosphere, thermosphere, and solar quiet (Sq) magnetic variation using the...- publication PDF
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aiapy: A Python package for analyzing solar EUV image data from AIA
The Atmospheric Imaging Assembly (AIA; Lemen et al., 2012) instrument onboard the NASA Solar Dynamics Observatory (SDO; Pesnell et al., 2012) spacecraft has observed the...- publication PDF
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Expansion of the Hadley cell under global warming
A consistent weakening and poleward expansion of the Hadley circulation is diagnosed in the climate change simulations of the IPCC AR4 project. Associated with this widening is...- publication PDF
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Testing and comparing the modified anomalous diffraction approximation
The modified anomalous diffraction approximation (MADA) is used to predict absorption and extinction in water and ice clouds, but it does not predict the scattering phase...- publication PDF
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Temporal and spatial evolutions of a large sunspot group and great auroral...
The Carrington event is considered to be one of the most extreme space weather events in observational history within a series of magnetic storms caused by extreme...- publication PDF
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Characteristics of North American summertime rainfall with emphasis on the monsoon
The core region of the North American summer monsoon is examined using spatially averaged daily rainfall observations obtained from gauges, with the objective of improving...- publication PDF
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Subseasonal forecast skill improvement from Strongly Coupled Data...
Strongly coupled data assimilation (SCDA), such as using atmospheric observations to update ocean analyses, is critical for properly initializing Earth System models to predict...- publication PDF
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The semiannual oscillation (SAO) in the tropical middle atmosphere and its...
Gravity waves play a significant role in driving the semiannual oscillation (SAO) of the zonal wind in the tropics. However, detailed knowledge of this forcing is missing, and...- publication PDF