نتایج جستجو برای: dust impact
تعداد نتایج: 800035 فیلتر نتایج به سال:
Many studies have been done on various properties of dust and one of the most important characteristics of dust is the ability to carry different microorganisms from the source points. The aim of this study was to investigate the bacterial and fungal community of dust and to identify its dominance species in a single event of intense dust storm, in the northern regions of Sistan and Blauchestan...
A long-term record of Asian dust storms showed seven high-occurrence-frequency centers in China. The intrusion of Asian dust into the downwind seas, including the China seas, the Sea of Japan, the subarctic North Pacific, the North Pacific subtropical gyre, and the western and eastern Equatorial Pacific, has been shown to add nutrients to ocean ecosystems and enhance their biological activities...
Extended abstract 1- Introduction Dust storms are a kind of severe natural disaster indust source regions, which have a negative impact on human health, industrial products and activities. Iran is a dry and low water country, the coincidence of this situation and its position in the global rebound belt has brought about very bad conditions. Repeaters in recent years have been affected by the...
Coagulation of particles occurs when two collide and stick together. In the Martian atmosphere, dust coagulation would increase effective particle size, as small accrete to larger particles. Murphy et al. (1990) showed that Brownian in atmosphere was not significant, due low mixing ratios, while Montmessin (2002) Fedorova (2014) it mostly involves radii smaller than 0.1 um. However, effects hav...
Abstract This paper investigates the impact of dust size distribution on magnetic resistivity. In particular, we focus its when maximum significantly increases from a submicron level. The first half describes our calculation method for resistivity based model Draine & Sutin and shows that reproduces results more realistic chemical reaction network calculations reasonably well. Then, describ...
ABSTRACT The ratio of the mass interstellar dust to total metals (the dust-to-metals/DTM ratio) tends increase with metallicity. This can be explained by increasing efficiency grain growth in medium (ISM) at higher metallicities, a corollary being that low DTM ratios seen metallicities are due inefficient stellar production. interpretation assumes destruction ISM is constant, whereas it might e...
The Infrared Difference Dust Index (IDDI) is a satellite dust product designed for climatological applications, designed specifically for dust remote sensing in arid regions such as the Sahel and Sahara. It is based on the atmospheric response to dust, extracted from midday Meteosat-IR imagery, and takes advantage of the impact of dust aerosols on the thermal infra-red radiance outgoing to spac...
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