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The Concordiasi project in Antarctica
The Concordiasi project is making innovative observations of the atmosphere above Antarctica. The most important goals of the Concordiasi are as follows: 1. To enhance the...- publication PDF
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A global perspective on Langmuir turbulence in the ocean surface boundary layer
The turbulent mixing in thin ocean surface boundary layers (OSBL), which occupy the upper 100 m or so of the ocean, control the exchange of heat and trace gases between the...- publication PDF
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Untangling microphysical impacts on deep convection applying a novel...
The suggested impact of pollution on deep convection dynamics, referred to as the convective invigoration, is investigated in simulations applying microphysical piggybacking and...- publication PDF
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Revisiting the relationship among metrics of tropical expansion
There is mounting evidence that the width of the tropics has increased over the last few decades, but there are large differences in reported expansion rates. This is, likely,...- publication PDF
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Hemispheric asymmetry of the vertical ion drifts at dawn observed by DMSP
Based on the measurements from Defense Meteorological Satellite Program (DMSP) F12, F13, and F15 satellites in 1995-2014, we report significant hemispheric asymmetries in...- publication PDF
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The lack of QBO-MJO connection in CMIP6 models
Observational analysis has indicated a strong connection between the stratospheric quasi-biennial oscillation (QBO) and tropospheric Madden-Julian oscillation (MJO), with MJO...- publication PDF
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Exposures to carbon monoxide in a cookstove intervention in Northern Ghana
Biomass burning for home energy use is a major environmental health concern. Improved cooking technologies could generate environmental health benefits, yet prior results...- publication PDF
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Introduction to the deep convective clouds and chemistry (DC3) 2012 studies
The Deep Convective Clouds and Chemistry (DC3) project aimed to determine the impact of deep, midlatitude continental convective clouds on tropospheric composition and...- publication PDF
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Simulation of chemical transport by Typhoon Mireille (1991)
This study examines the transport of chemical species to the upper troposphere/lower stratosphere (UTLS) by Typhoon Mireille (1991). We follow an integrated research approach,...- publication PDF
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Is shallow convection sensitive to environmental heterogeneities?
The key assumption underlying convection parameterizations is that rising plumes develop in a horizontally homogeneous environment. With this in mind, we investigate the impact...- publication PDF
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The penultimate deglaciation: Protocol for Paleoclimate Modelling...
The penultimate deglaciation (PDG, similar to 138-128 thousand years before present, hereafter ka) is the transition from the penultimate glacial maximum (PGM) to the Last...- publication PDF
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Standard Test Methods for Balloon Materials
This report is part of a series prepared for the Materials Research Project of the NCAR Scientific Balloon Facility in order to extend the reliability and capabilities of...- publication PDF
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Simulating the Earth system response to negative emissions
Natural carbon sinks currently absorb approximately half of the anthropogenic CO2 emitted by fossil fuel burning, cement production and land-use change. However, this airborne...- publication PDF
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Comparison of rotational temperature derived from ground-based OH airglow...
Ground-based observations of the OH(9-4, 8-3, 6-2, 5-1, and 3-0) band airglows over Xinglong, China (40°24'N, 117°35'E) from December 2011 to 2014 are used to calculate...- publication PDF
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Day-to-day variability of midlatitude ionospheric currents due to...
As known from previous studies on the solar quiet (Sq) variation of the geomagnetic field, the strength and pattern of ionospheric dynamo currents change significantly from day...- publication PDF
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Satellite sea surface salinity observations impact on El Niño/Southern...
El Nino/Southern Oscillation (ENSO) has far reaching global climatic impacts and so extending useful ENSO forecasts would have great societal benefit. However, one key variable...- publication PDF
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Incoherent scatter radar measurements and modeling of high-latitude solar...
A 9-year database of sunlit E region electron density altitude profiles (N-e(z)) measured by the Sondrestrom incoherent scatter radar (ISR) has been partitioned over a parameter...- publication PDF
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Operational Lessons of the Line Islands Experiment
This report reproduces the introspective review meeting about operational lessons learned from the Line Islands experiment that took place during March and April 1967....- publication PDF
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The POLARCAT Model Intercomparison Project (POLMIP): Overview and evaluation...
A model intercomparison activity was inspired by the large suite of observations of atmospheric composition made during the International Polar Year (2008) in the Arctic. Nine...- publication PDF
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Numerical modeling of cloud chemistry effects on isocyanic acid (HNCO)
Isocyanic acid (HNCO), a product of some combustion processes, can potentially have negative human health effects. While gas phase HNCO loss processes are slow, HNCO loss in the...- publication PDF
