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A new European plant-specific emission inventory of biogenic volatile...
We present a new European plant-specific emission inventory for isoprene, monoterpenes, sesquiterpenes and oxygenated VOC (OVOC), on a spatial resolution of 0.089 x 0.089...- publication PDF
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The ARPA/NASA/NSF CO-OP 3D Project: An experiment in distributed...
This technical report describes the distributed computing aspects of the CO-OP 3D project and involves the use of the Advanced Communications Technology Satellite to link...- publication PDF
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Design and ground calibration of the helioseismic and magnetic imager (HMI)...
The Helioseismic and Magnetic Imager (HMI) investigation (Solar Phys. doi:10.1007/s11207-011-9834-2, 2011) will study the solar interior using helioseismic techniques as well as...- publication PDF
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A maximum spreading speed for magnetopause reconnection
Past observations and numerical modeling find magnetic reconnection to initiate at a localized region and then spread along a current sheet. The rate of spreading has been...- publication PDF
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Secondary ice production in summer clouds over the Antarctic coast: An...
The correct representation of Antarctic clouds in atmospheric models is crucial for accurate projections of the future Antarctic climate. This is particularly true for summer...- publication PDF
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Observed sensitivities of PM2.5 and O3 extremes to meteorological conditions...
Frequent extreme air pollution episodes in China accompanied with high concentrations of particulate matters (PM2.5) and ozone (O-3) are partly supported by meteorological...- publication PDF
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Ozone photochemical production in urban Shanghai, China: Analysis based on...
[1] Ozone and its precursors were measured from 15 June 2006 to 14 June 2007 at an urban site in Shanghai and used to characterize photochemical oxidant production in this...- publication PDF
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A perturbation approach to understanding the effects of turbulence on frontogenesis
Ocean fronts are an important submesoscale feature, yet frontogenesis theory often neglects turbulence - even parameterized turbulence - leaving theory lacking in comparison...- publication PDF
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Quantification of CO emissions from the city of Madrid using MOPITT...
The growth of mega-cities leads to air quality problems directly affecting the citizens. Satellite measurements are becoming of higher quality and quantity, which leads to more...- 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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Spatially and temporally varying adaptive covariance inflation for ensemble filters
Ensemble filters are used in many data assimilation applications in geophysics. Basic implementations of ensemble filters are trivial but are susceptible to errors from many...- publication PDF
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Radar observations of winds, waves and tides in the mesosphere and lower...
The mesosphere and lower thermosphere (MLT) is a dynamic layer of the earth's atmosphere. This region marks the interface at which neutral atmosphere dynamics begin to influence...- publication PDF
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New software to analyze how extremes change over time
Average behavior is often studied, with well-developed techniques from the field of statistics allowing for inferences to be readily made. However, in many atmospheric,...- publication PDF
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Estimation of turbulent heat fluxes via assimilation of air temperature and...
A number of studies have used time series of air temperature and specific humidity observations to estimate turbulent heat fluxes. These studies require the specification of...- publication PDF
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Evaluation of the mesospheric polar vortices in WACCM
This work evaluates the wintertime mesospheric polar vortices in the Whole Atmosphere Community Climate Model. Mesospheric altitudes are where high-top models underestimate the...- publication PDF
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Can we do better than the grid survey: Optimal synoptic surveys in presence...
Regular grid (“lawnmower”) survey is a classical strategy for synoptic sampling of the ocean. Is it possible to achieve a more effective use of available resources if one takes...- publication PDF
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Leading efforts to improve global quantitative precipitation estimation
Global quantitative precipitation estimates (QPEs) at higher spatial and temporal resolutions are critical for the development of applications that address a variety of...- publication PDF
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Comparison of inversion codes for polarized line formation in MHD...
Milne-Eddington (M-E) inversion codes for the radiative transfer equation are the most widely used tools to infer the magnetic field from observations of the polarization...- publication PDF
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Application of dynamical error estimation for statistical optimization of...
Errors in stratospheric bending angles retrieved from GPS radio occultations can be significantly reduced by using statistical optimization. In order for this technique to work...- publication PDF
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Radar data assimilation with WRF 4D-Var. Part I: System development and...
The major goal of this two-part study is to assimilate radar data into the high-resolution Advanced Research Weather Research and Forecasting Model (ARW-WRF) for the improvement...- publication PDF