俄罗斯北部地区降水水汽、光学深度和云量的统计特征

IF 1.1 4区 物理与天体物理 Q3 ASTRONOMY & ASTROPHYSICS
V. B. Khaikin, A. Yu. Shikhovtsev, A. P. Mironov
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引用次数: 0

摘要

摘要 研究欧亚亚毫米波望远镜可能安装地点的观测条件最重要的任务之一是研究降水水汽、光学深度和云量的统计数据。本文利用ERA-5再分析对欧亚大陆北部的降水水汽和总云量进行了研究。利用ERA-5再分析中的Liebe模式获得了大型阿尔塔方位望远镜BTA所在区域波长为3毫米的光学深度统计数据。除西藏和帕米尔高原东部外,欧亚大陆最有利的天体气候带是萨彦山脉的某些地区、阿尔泰山和达吉斯坦山区。这项工作利用无线电探测、全球导航卫星系统测量数据和 2021 年辐射测量数据对 ERA-5 再分析数据进行了验证。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

Statistical Characteristics of Precipitated Water Vapor, Optical Depth and Cloudiness in the Northern Part of Russia

Statistical Characteristics of Precipitated Water Vapor, Optical Depth and Cloudiness in the Northern Part of Russia

Statistical Characteristics of Precipitated Water Vapor, Optical Depth and Cloudiness in the Northern Part of Russia

One of the most important tasks of studying seeing conditions of possible locations for the Eurasian Submillimeter Telescopes is to research the statistics of precipitated water vapor, optical depth and cloudiness. In this paper, the statistics of precipitated water vapor and total cloudiness in northern Eurasia are studied using ERA-5 reanalysis. Optical depth statistics at a wavelength of 3 mm were obtained using the Liebe model from the ERA-5 reanalysis for the region where the Large Altazimuth Telescope BTA is located. The most favorable astroclimatic zones of Eurasia, along with Tibet and the eastern Pamirs, are certain areas of the Sayan Mountains, mountainous Altai and mountainous Dagestan. The work verifies the ERA-5 reanalysis data using radiosounding, GNSS measurement data and radiometric measurements for 2021.

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来源期刊
Astronomy Reports
Astronomy Reports 地学天文-天文与天体物理
CiteScore
1.40
自引率
20.00%
发文量
57
审稿时长
6-12 weeks
期刊介绍: Astronomy Reports is an international peer reviewed journal that publishes original papers on astronomical topics, including theoretical and observational astrophysics, physics of the Sun, planetary astrophysics, radio astronomy, stellar astronomy, celestial mechanics, and astronomy methods and instrumentation.
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