Important Aspects of Light Scattering on Hollow Column Ice Particles

IF 0.9 Q4 OPTICS

Atmospheric and Oceanic Optics Pub Date : 2025-03-24 DOI:10.1134/S1024856024701392

A. E. Babinovich, V. A. Shishko, D. N. Timofeev, A. V. Konoshonkin, N. V. Kustova, I. V. Tkachev, K. Salnikov, N. Kan

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Abstract

Cirrus clouds play a significant role in climate formation and lidar data processing. This type of cloud mainly consists of non-spherical ice particles, whose optical properties directly characterize the cloud properties. This paper primarily focuses on the technical details of researching and calculating the optical properties of hollow hexagonal column-shaped ice particles using the physical optics method. These particles are concave, and the transitions between “particle–air–particle” media have to be taken into account. The paper considers theoretical basics of a mathematical model of ice particles, choice of the most efficient calculation parameters in terms of time and resources (such as the number of iterations and orientations used in simulations), as well as calculation procedure, technical details, format of output files, and how they are interpreted. The main purpose of this paper is to find the optimal parameters for calculating the light scattering on ice particles, which is to significantly reduce the time of calculation. The instructions for postprocessing of big batches of the received data are provided. These results are valuable for the further development of the optical model of cirrus clouds and for lidar and radar data processing.

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光在空心柱冰粒上散射的重要方面

卷云在气候形成和激光雷达数据处理中起着重要作用。这种云主要由非球形冰粒子组成，其光学性质直接表征了云的性质。本文主要研究了利用物理光学方法研究和计算空心六方柱状冰粒子光学性质的技术细节。这些颗粒是凹的，必须考虑“颗粒-空气-颗粒”介质之间的过渡。本文考虑了冰粒子数学模型的理论基础，在时间和资源方面选择最有效的计算参数（如模拟中使用的迭代次数和方向），以及计算程序，技术细节，输出文件的格式，以及如何解释它们。本文的主要目的是寻找计算冰粒子上光散射的最优参数，从而大大减少计算时间。提供了对接收到的大量数据进行后处理的说明。这些结果对进一步发展卷云光学模型以及激光雷达和雷达数据处理具有重要价值。

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来源期刊

Atmospheric and Oceanic Optics OPTICS-

CiteScore

2.40

自引率

42.90%

发文量

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.