نتایج جستجو برای: hydrometeors
تعداد نتایج: 346 فیلتر نتایج به سال:
Based on the large exchange of heat fluxes Earth's surface in tropics, we propose that lightning flash rate (LFR) is proportional to a product Bowen ratio and sum precipitation evaporation rates. The proposed relationship justified basis conversion kinetic energy charging hydrometeors discharges. However, varies depending season. This explains 90% variance monthly-averaged time series total LFR...
The heavy air pollution, known as Atmospheric Brown Cloud (ABC), has been research mainly for its radiative effects and cloud condensation nuclei (CCN) activity that act to nucleate larger number of smaller cloud drops, and hence suppress coalescence and warm rain forming processes (Ramanathan et al., 2001). Precipitation in convective clouds with aerosol-induced suppressed coalescence is initi...
Abstract. Ice growth processes within clouds affect the type and amount of precipitation. Hence, importance an accurate representation ice microphysics in numerical weather climate models has been confirmed by several studies. To better constrain models, we need to study cloud regions before during monitored precipitation events. For this purpose, two radar instruments facing each other were us...
To investigate the topographic effects on precipitation in Liupan Mountains Area of Northwest China, three micro rain radars, located at a ridge, west valley, and east valley area, respectively, were used to observe processes. By comparing characteristics stratiform sites, it was found that (i) effective radar reflectivity characteristic falling velocity hydrometeors ridge larger than those val...
The performances of bulk microphysical schemes were evaluated through comparisons with observations, including a new volume scanning video disdrometer targeting one typical snowfall event in Hokkaido, Japan. For the evaluation, downscaling experiments using three conducted: two-moment scheme, one-moment and an improved version scheme coupled identical dynamical core. successfully simulated meas...
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