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The relation between dayside local Poynting flux enhancement and cusp reconnection
The Defense Meteorological Satellite Program (DMSP) F15 satellite frequently observes an unusually high level of local Poynting flux when the interplanetary magnetic field (IMF)...- publication PDF
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Solar filament impact on 21 January 2005: Geospace consequences
On 21 January 2005, a moderate magnetic storm produced a number of anomalous features, some seen more typically during superstorms. The aim of this study is to establish the...- publication PDF
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Climatology characteristics of ionospheric irregularities described with GNSS ROTI
At equatorial and high latitudes, the intense ionospheric irregularities and plasma density gradients can seriously affect the performances of radio communication and satellite-...- publication PDF
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Impact of strong and weak stratospheric polar vortices on geomagnetic...
The impact of strong and weak stratospheric polar vortices on geomagnetic semidiurnal solar and lunar tides is investigated during Northern Hemisphere (NH) winters using ground-...- publication PDF
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Interhemispheric asymmetry in the highâlatitude neutral density variations...
During the second recovery phase of the 13–14 March 2022 storm, intense high‐latitude neutral mass density spikes are detected by satellites at ∼500 km in...- publication PDF
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On the wave number 2 eastward propagating quasi 2âday wave at middle and...
The temperature and wind data sets from the ensemble data assimilation version of the Whole Atmosphere Community Climate Modelâ+âData Assimilation Research Testbed...- publication PDF
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Uncertainty in global groundwater storage estimates in a Total Groundwater...
Groundwater is a finite resource under continuous external pressures. Current unsustainable groundwater use threatens the resilience of aquifer systems and their ability to...- publication PDF
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Climate feedbacks in CCSM3 under changing COâ forcing. Part II: Variation...
Are equilibrium climate sensitivity and the associated radiative feedbacks a constant property of the climate system, or do they change with forcing magnitude and base climate?...- publication PDF
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The ionospheric gravity and diamagnetic current systems
Large-scale currents in the ionosphere are driven by a variety of sources, including neutral winds, gravity, and plasma pressure gradients. While the stronger daytime wind-...- publication PDF
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SO2 emissions derived from TROPOMI observations over India using a...
The rapid development of the economy and the implementation of environmental policies adapted in India have led to fast changes of regional SO2 emissions. We present a monthly...- 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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El Niño/Southern Oscillation inhibited by submesoscale ocean eddies
The El Niño/Southern Oscillation is characterized by irregular warm (El Niño) and cold (La Niña) events in the tropical Pacific Ocean, which have substantial global...- publication PDF
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Gravity wave and tidal influences on equatorial spread F based on...
The Spread F Experiment, or SpreadFEx, was performed from September to November 2005 to define the potential role of neutral atmosphere dynamics, primarily gravity waves...- publication PDF
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Preliminary Design, ENCAR-1 Rocket-Borne Cryogenic Air Sampler
The NCAR Isotope Geochemistry Program is developing a cryogenic air sampler fitted into the nose cone of the Aerobee-150 rocket. This rocket-borne sampling system has been...- publication PDF
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Terrestrial ecosystem model performance in simulating productivity and its...
Realistic projection of future climate-carbon (C) cycle feedbacks requires better understanding and an improved representation of the C cycle in permafrost regions in the...- publication PDF
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Toward a numerical benchmark for warm rain processes
The Kinematic Driver-Aerosol (KiD-A) intercomparison was established to test the hypothesis that detailed warm microphysical schemes provide a benchmark for lower-complexity...- publication PDF
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Contributions of traffic and industrial emission reductions to the air...
Wuhan was locked down from 23 January to 8 April 2020 to prevent the spread of the novel coronavirus disease 2019 (COVID-19). Both public and private transportation in Wuhan and...- publication PDF
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Response of the intertropical convergence zone to climate change: Location,...
The intertropical convergence zone (ITCZ) is a planetary-scale band of heavy precipitation close to the equator. Here, we consider the response of the ITCZ structure to climate...- publication PDF
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Global demographic trends and future carbon emissions
Substantial changes in population size, age structure, and urbanization are expected in many parts of the world this century. Although such changes can affect energy use and...- publication PDF
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Tropical Pacific SST drivers of recent Antarctic Sea ice trends
A strengthening of the Amundsen Sea low from 1979 to 2013 has been shown to largely explain the observed increase in Antarctic sea ice concentration in the eastern Ross Sea and...- publication PDF
