Effective Lidar Ratio of Cirrus Cloud Measured by Three-Wavelength Lidar

Chengli, 季承荔 Ji; Zongming, 陶宗明 Tao; Shunxing, 胡顺星 Hu; Xuehai, 张学海 Zhang; Dong, 刘东 Liu; Zhenzhu, 王珍珠 Wang; Zhiqing, 钟志庆 Zhong; Chenbo, 谢晨波 Xie; Ke′e, 苑克娥 Yuan; Kaifa, 曹开法 Cao; Jian, 黄见 Huang; Yingjian, 王英俭 Wang

doi:10.3788/cjl201643.0810003

Cited by 4 publications

(2 citation statements)

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“…Many research institutions and companies have developed single‐ or multi‐wavelength Mie lidar systems. In recent years, some scientists have developed 1.55 μm lidar for cloud detection, 1,2 as shown in Figure 1. Compared with visible wavelength, 1.55 μm has strong penetration ability, which is suitable for cloud detection.…”

Section: Aerosol and Cloud Lidarmentioning

confidence: 99%

Research status and progress of lidar for atmosphere in China

Xiao

Hua

et al. 2021

Micro & Optical Tech Letters

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Lidar is an active remote sensing instrument, and it has been widely used in the detection of atmospheric environmental parameters and meteorological parameters. In recent years, climate change has been widely concerned by the public, and the corresponding atmospheric detection technology has also been developed rapidly. Atmospheric Lidar has been developed rapidly in China, and has achieved good research achievements. The research progress and development status of Lidar for atmospheric detection in recent years are introduced and summarized in this invited paper. The advantages and disadvantages of all kinds of atmospheric detection Lidars and their applications in different detection objects are comprehensively introduced in this article. Finally, the bottlenecks of Lidar technology are summarized, and the development trend of Lidar is also prospected.

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Section: Aerosol and Cloud Lidarmentioning

confidence: 99%

Research status and progress of lidar for atmosphere in China

Xiao

Hua

et al. 2021

Micro & Optical Tech Letters

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show abstract

“…The primary method for obtaining information about the spatial orientation of cloud particles is through ground-based lidar systems [19][20][21][22][23][24]. However, this approach has a significant disadvantage in that it only provides localized measurements, making it impossible to estimate the horizontal dimensions of the specular reflective layers in the HLCs.…”

Section: Introductionmentioning

confidence: 99%

Analysis of the Observation Results for Preferentially Oriented Particles in High-Level Clouds According to the EARLINET Lidar Network and MODIS Data

Skorokhodov

Konoshonkin

2023

Atmosphere

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This analysis presents the results of observation episodes for high-level clouds consisting of ice crystals with different orientations in space, using the EARLINET lidar network and MODIS data over Europe from 2015 to 2022. The technique used involves identifying specular reflecting layers through ground-based laser soundings of the atmosphere and finding synchronous images from space, followed by the retrieval of cirrus cloud parameters. The study considers several properties of high-level clouds, including reflection ratio (ρ), effective emissivity (ε), optical thickness, effective particle radius, water path, and top height, according to MODIS data. The results of retrieving these properties for cirrus clouds with different orientations of ice crystals over individual EARLINET lidar stations and over Europe as a whole are discussed. The study indicates that high-level clouds with ρ ≥ 0.15 and ε ≥ 0.4 definitely contain specular reflecting layers.

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Six-channel multi-wavelength polarization Raman lidar for aerosol and water vapor profiling

Wang

Mao

et al. 2017

Appl. Opt.

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Aerosols and water vapor are important atmospheric components, and have significant effects on both atmospheric energy conversion and climate formation. They play the important roles in balancing the radiation budget between the atmosphere and Earth, while water vapor also directly affects rainfall and other weather processes. To further research atmospheric aerosol optical properties and water vapor content, an all-time six-channel multi-wavelength polarization Raman lidar has been developed at Beifang University of Nationalities. In addition to 1064, 532, and 355 nm Mie scattering channels, the lidar has a polarization channel for 532 nm return signals, a 660 nm water vapor channel, and a 607 nm nitrogen detection channel. Experiments verified the lidar's feasibility and return signals from six channels were detected. Using inversion algorithms, extinction coefficient profiles at 1064, 532 and 355 nm, Ångström exponent profiles, depolarization ratio profiles, and water vapor mixing ratio profiles were all obtained. The polarization characteristics and water vapor content of cirrus clouds, the polarization characteristics of dusty weather, and the water vapor profiles over different days were also analyzed. Results show that the lidar has the full-time detection capability for atmospheric aerosol optical properties and water vapor profiles, and real-time measurements of aerosols and water vapor over the Yinchuan area were realized, providing important information for studying the environmental quality and climate change in this area.

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Effective Lidar Ratio of Cirrus Cloud Measured by Three-Wavelength Lidar

Cited by 4 publications

References 0 publications

Research status and progress of lidar for atmosphere in China

Research status and progress of lidar for atmosphere in China

Analysis of the Observation Results for Preferentially Oriented Particles in High-Level Clouds According to the EARLINET Lidar Network and MODIS Data

Six-channel multi-wavelength polarization Raman lidar for aerosol and water vapor profiling

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