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22.875  Articles
1 of 2.289 pages  |  10  records  |  more records»
In the present paper we provide an overview of a long term research project aimed at setting up a suitable platformfor measurements in the atmospheric boundary layer on a light airplane along with some preliminary resultsobtained from fi eld campaigns at ... see more

This work reports the chemical and light extinction characteristics of the atmospheric particles collected from January to November 2014 in suburban Nanjing. Size-segregated measurement results showed that more than 80% of the major aerosol components wer... see more

We present a theoretical microphysical model of thundercloud electrification that incorporates the influence of an aerosol with electrical self-polarization (pyroelectric), like methane. We estimate the water and methane dipole contribution to the interna... see more

Atmospheric electric activity measurements have been recorded continuously by a punctual lightning system at a tropical highland observatory from 1988 – onwards, and were analyzed to obtain lightning statistical confident resul... see more

Total horizontal atmospheric light extinction coefficients as well as particle mass concentrations have been measured in downtown areas of Santiago de Chile, a heavily polluted city. Measurement campaigns were carried out in 1994 and in 1995. Extinctio... see more

Birds frequently use the energy present in the atmosphere to conserve their energy while flying.  Although energy in the form of thermal updrafts is routinely used by pilots of full-scale and model sailplanes, the energy in atmospheric turbulence has... see more

Admission. Atrial fibrillation is the most commonly encountered arrhythmia today. The risk of her occurrence increases with age. Atrial fibrillation is associated with serious complications, mainly thromboembolic disease, which is therefore a significant ... see more

Anthropogenic releases in large regulated rivers are overriding their organic load assimilationcapacity and ability to rejuvenate. Effective light penetration in such water bodies areconstrained by trade-off between organic load and benthic oxygen supply.... see more

The relationship between geographical latitude and longitude and cloud-to-ground lightning activity in the Iberian Peninsula is analyzed using data from 1992 until 1994. Three flash characteristics are considered: flash density, polarity and intensity.... see more

1 of 2.289 pages  |  10  records  |  more records»