نتایج جستجو برای: ice nucleating agents
تعداد نتایج: 414330 فیلتر نتایج به سال:
Abstract. In order to effectively predict the formation of ice in clouds we need know which subsets aerosol particles are effective at nucleating ice, how they distributed and where from. A large proportion ice-nucleating (INPs) many locations likely biological origin, some INPs extremely small, being just tens nanometres size. The identity sources such not well characterized. Here, show that s...
Stratocumulus clouds over the Southern Ocean have fewer droplets and are more likely to exist in predominately supercooled phase than at similar temperatures northern oceans. One reason is that this region has few continental anthropogenic sources of cloud-nucleating particles can form ice. In work, we present an overview aerosol particle types Ocean, including new measurements made below, abov...
Oceans emit ice-nucleating particles (INPs) which freeze supercooled cloud droplets, modifying clouds. We added dead biomass of three phytoplankton to seawater. Each time, this stimulated INP production in the water and emissions sea spray.
In this paper, we summarize the four main ice nucleating aerosol types: mineral dusts, bioaerosols, soot, and glassy organics, with the aim of demonstrating the limitations in scientifi c literature regarding their ice nucleation properties. Because the tropics are largely associated with marine environments, such as the Atlantic, Pacifi c, and Indian Oceans, they are potential source of ice nu...
Polar, alpine and temperate ectothermic (cold-blooded) animals encounter temperatures below the melting point of their body fluids either diurnally or seasonally. These animals have developed a number of biochemical and physiological adaptations to survive the low temperatures. The problems posed to the animals during cold periods include changes in membrane and protein structure due to phase c...
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