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Quantifying the contribution of ocean advection and surface flux to the...
This study examines the impact of ocean advection and surface freshwater flux on the non-seasonal, upper-ocean salinity variability in two climate model simulations with eddy-...- publication PDF
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The relative role of the subsurface Southern Ocean in driving negative...
The low Antarctic sea ice extent following its dramatic decline in late 2016 has persisted over a multiyear period. However, it remains unclear to what extent this low sea ice...- publication PDF
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Possible influence of extreme magnetic storms on the thermosphere in the...
Solar and interplanetary events can create extreme magnetic storms, such as the Carrington storm in 1859 with intensity up to Dst similar to -1,760 nT. The influence of an...- publication PDF
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Dynamic calibration of GPS effective isotropic radiated power for...
Global Navigation Satellite System (GNSS) Reflectometry uses reflected GNSS signals for Earth remote sensing applications. Absolute calibration of a Delay Doppler Map (DDM)...- publication PDF
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A statistical analysis of equatorial plasma bubble structures based on an...
This paper investigates the statistical features of equatorial plasma bubbles (EPBs) using airglow images from 2012 to 2014 from a ground-based network of four imagers in the...- publication PDF
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North Atlantic subtropical mode water formation controlled by Gulf Stream fronts
The North Atlantic Ocean hosts the largest volume of global subtropical mode waters (STMWs) in the world, which serve as heat, carbon and oxygen silos in the ocean interior....- publication PDF
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Inferring ozone production in an urban atmosphere using measurements of...
Observations of peroxynitric acid (HO₂ NO₂ ) obtained simultaneously with those of NO and NO₂ provide a sensitive measure of the ozone photochemical production rate. We...- publication PDF
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CCM Progress Report--July 1990
This report is a accumulation of brief reports required of all Community Climate Model (CCM) users both inside and outside of NCAR. The report serves to augment periodically...- publication PDF
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Modeling the whole atmosphere response to solar cycle changes in radiative...
The NCAR Whole Atmosphere Community Climate Model, version 3 (WACCM3), is used to study the atmospheric response from the surface to the lower thermosphere to changes in solar...- publication PDF
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What drives upper-ocean temperature variability in coupled climate models...
A key question in climate modeling is to what extent sea surface temperature and upper-ocean heat content are driven passively by air-sea heat fluxes, as opposed to forcing by...- publication PDF
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Revisiting the modulations of ionospheric solar and lunar migrating tides...
In this study, Global Ionosphere Specification (GIS) based on Gauss-Markov Kalman filter assimilation of slant total electron content observed from ground-based global...- publication PDF
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Aircraft measurements of the impacts of pollution aerosols on clouds and...
Recent publications suggest that anthropogenic aerosols suppress orographic precipitation in California and elsewhere. A field campaign (SUPRECIP: Suppression of Precipitation)...- publication PDF
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S-Pol's polarimetric data reveal detailed storm features (and insect behavior)
The National Center for Atmospheric Research (NCAR) operates a state-of-the-art S-band dual-polarization Doppler radar (S-Pol) for the National Science Foundation (NSF). This...- publication PDF
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Impact of radiatively interactive dust aerosols in the NASA GEOS-5 climate...
The radiative effects of Saharan dust aerosols are investigated in the NASA GEOS-5 atmospheric general circulation model. A sectional aerosol microphysics model (CARMA) is run...- publication PDF
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The COMBLE campaign: A study of marine boundary layer clouds in Arctic...
One of the most intense air mass transformations on Earth happens when cold air flows from frozen surfaces to much warmer open water in cold-air outbreaks (CAOs), a process...- publication PDF
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Presenting the Snowflake Video Imager (SVI)
Herein the authors introduce the Snowflake Video Imager (SVI), which is a new instrument for characterizing frozen precipitation. An SVI utilizes a video camera with sufficient...- publication PDF
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A multiscale and multidisciplinary investigation of ecosystem-atmosphere CO₂...
A significant fraction of Earth consists of mountainous terrain. However, the question of how to monitor the surface-atmosphere carbon exchange over complex terrain has not been...- publication PDF
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A technique for generating consistent ice sheet initial conditions for...
A transient technique for generating ice sheet preindustrial initial conditions for long-term coupled ice sheet/climate model simulations is developed and demonstrated over the...- publication PDF
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Arctic sea ice and atmospheric circulation under the GeoMIP G1 scenario
We analyze simulated sea ice changes in eight different Earth System Models that have conducted experiment G1 of the Geoengineering Model Intercomparison Project (GeoMIP). The...- publication PDF
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Efficient in-cloud removal of aerosols by deep convection
Convective systems dominate the vertical transport of aerosols and trace gases. The most recent in situ aerosol measurements presented here show that the concentrations of...- publication PDF