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A modeling study on the impacts of Typhoon Morakot's (2009) vortex structure...
In this study, the impacts of Typhoon Morakot's (2009) vortex structure on the extreme rainfall in Taiwan were investigated using piecewise potential vorticity (PV) inversion....- publication PDF
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Observed changes in the southern hemispheric circulation in May
Much research has focused on trends in the Southern Hemispheric circulation in austral summer (December-February) in the troposphere and stratosphere, whereas changes in other...- publication PDF
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Magnetic nulls and super-radial expansion in the solar corona
Magnetic fields in the Sun's outer atmosphere—the corona—control both solar-wind acceleration and the dynamics of solar eruptions. We present the first clear observational...- publication PDF
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The Terrain-Induced Rotor Experiment: A field campaign overview including...
The Terrain-Induced Rotor Experiment (T-REX) is a coordinated international project, composed of an observational field campaign and a research program, focused on the...- publication PDF
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Using a WRF-ADCIRC ensemble and track clustering to investigate storm surge...
This article investigates combining a WRF-ADCIRC ensemble with track clustering to evaluate how uncertainties in tropical cyclone-induced storm tide (surge + tide) predictions...- publication PDF
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Mid-latitude ionospheric response to a weak geomagnetic activity event...
Salient depletions (30%-40% of the reference values) were observed in the vertical total electron content (VTEC) from the Global Navigation Satellite System (GNSS) network and...- publication PDF
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Spatial variability in tropospheric peroxyacetyl nitrate in the tropics from...
Peroxyacetyl nitrate (PAN) plays a fundamental role in the global ozone budget and is the primary reservoir of tropospheric reactive nitrogen over much of the globe. However,...- publication PDF
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The Atmospheric Boundary Layer and the "gray zone" of turbulence: A critical review
Recent increases in computing power mean that atmospheric models for numerical weather prediction are now able to operate at grid spacings of the order of a few hundred meters,...- publication PDF
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Modelling atmospheric OH-reactivity in a boreal forest ecosystem
We have modelled the total atmospheric OH-reactivity in a boreal forest and investigated the individual contributions from gas phase inorganic species, isoprene, monoterpenes,...- publication PDF
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Direct constraints on secondary HONO production in aged wildfire smoke from...
Nitrous acid (HONO) mixing ratios measured in aged wildfire smoke plumes were higher than expected from known homogeneous chemical reactions. In a representative smoke plume,...- publication PDF
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Sensitivity of the PBL and precipitation in 12-day simulations of...
A coupled land surface-atmospheric model that permits grid-resolved deep convection is used to examine linkages between land surface conditions, the planetary boundary layer...- publication PDF
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Present-day irrigation mitigates heat extremes
Irrigation is an essential practice for sustaining global food production and many regional economies. Emerging scientific evidence indicates that irrigation substantially...- publication PDF
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Seasonal evolution of ecohydrological controls on land surface temperature...
The spatiotemporal distribution of Land Surface Temperature (LST) is linked to the partitioning of the coupled surface water and energy budgets. In watersheds with a strong...- publication PDF
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Effects of convective adjustment time scale on the simulation of tropical climate
This paper describes the effects of convective adjustment time scale (τ) on the simulation of tropical climate. The NCAR-Community Atmosphere Model version 3 (CAM3) has been...- publication PDF
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Modeling NH4NO3 over the San Joaquin Valley during the 2013 DISCOVER-AQ campaign
The San Joaquin Valley (SJV) of California experiences high concentrations of particulate matter NH4NO3 during episodes of meteorological stagnation in winter. A rich data set...- publication PDF
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Understanding the risks from extreme rainfall
Empirical engineering design based on single 'fail safe' target return periods is not appropriate in a non-stationary future climate. Extreme responses to rainfall are very...- publication PDF
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Testing strict hydrostatic equilibrium in simulated clusters of galaxies:...
Accurate mass determination of clusters of galaxies is crucial if they are to be used as cosmological probes. However, there are some discrepancies between cluster masses...- publication PDF
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NCAR Software Catalog
An extensive collection of library software is available for use on the Scientific Computing Division (SCD) computers at NCAR, and is cataloged in this document. The NCAR...- publication PDF
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S-5P/TROPOMI-derived NOx emissions from copper/cobalt mining and other...
We have analyzed Sentinel-5 Precursor TROPOspheric Monitoring Instrument (TROPOMI) data over the Copperbelt mining region (Democratic Republic of Congo and Zambia). Despite high...- publication PDF
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Water mass transformation budgets in finite‐volume generalized vertical...
Water Mass Transformation (WMT) theory provides conceptual tools that in principle enable innovative analyses of numerical ocean models; in practice, however, these methods can...- publication PDF
