{"title":"Variability of the Cloud Base Height over the Territory of Western Siberia Based on Laser Sounding Data for the Period 2010–2021","authors":"K. N. Pustovalov, E. V. Kharyutkina, E. I. Moraru","doi":"10.1134/S102485602401010X","DOIUrl":null,"url":null,"abstract":"<p>Laser sensing data are used to analyze the variations in the base height of low-level clouds and cumulonimbus clouds in Western Siberia for 2010–2021. It is found that, on the whole, the base height of lower clouds decreases and the base height of cumulonimbus clouds increases. The base height of lower clouds increases from north toward south. The distribution of the height of cumulonimbus clouds seems to be more meridional in character. The seasonal behavior of the base height of lower and cumulonimbus clouds in the south of the territory shows a maximum in summer months. In the center and north there are two maxima: in summer and spring for lower clouds and in winter and summer for cumulonimbus clouds. The cluster analysis showed that the base heights of cumulonimbus clouds, measured at diverse stations, strongly differ. Presumably, this is due to different characters of the underlying surface, as well as to regional features of atmospheric circulation and convective processes.</p>","PeriodicalId":46751,"journal":{"name":"Atmospheric and Oceanic Optics","volume":null,"pages":null},"PeriodicalIF":0.9000,"publicationDate":"2024-03-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Atmospheric and Oceanic Optics","FirstCategoryId":"1085","ListUrlMain":"https://link.springer.com/article/10.1134/S102485602401010X","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q4","JCRName":"OPTICS","Score":null,"Total":0}
引用次数: 0
Abstract
Laser sensing data are used to analyze the variations in the base height of low-level clouds and cumulonimbus clouds in Western Siberia for 2010–2021. It is found that, on the whole, the base height of lower clouds decreases and the base height of cumulonimbus clouds increases. The base height of lower clouds increases from north toward south. The distribution of the height of cumulonimbus clouds seems to be more meridional in character. The seasonal behavior of the base height of lower and cumulonimbus clouds in the south of the territory shows a maximum in summer months. In the center and north there are two maxima: in summer and spring for lower clouds and in winter and summer for cumulonimbus clouds. The cluster analysis showed that the base heights of cumulonimbus clouds, measured at diverse stations, strongly differ. Presumably, this is due to different characters of the underlying surface, as well as to regional features of atmospheric circulation and convective processes.
期刊介绍：
Atmospheric and Oceanic Optics is an international peer reviewed journal that presents experimental and theoretical articles relevant to a wide range of problems of atmospheric and oceanic optics, ecology, and climate. The journal coverage includes: scattering and transfer of optical waves, spectroscopy of atmospheric gases, turbulent and nonlinear optical phenomena, adaptive optics, remote (ground-based, airborne, and spaceborne) sensing of the atmosphere and the surface, methods for solving of inverse problems, new equipment for optical investigations, development of computer programs and databases for optical studies. Thematic issues are devoted to the studies of atmospheric ozone, adaptive, nonlinear, and coherent optics, regional climate and environmental monitoring, and other subjects.
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