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Application of the theory of the tenous particles to the calculation of the optical properties of the atmospheric haze. 微粒子理论在大气雾霾光学性质计算中的应用。
Topical Meeting on Meteorological Optics Pub Date : 1900-01-01 DOI: 10.1364/mo.1986.fb5
Vadim Raskin
{"title":"Application of the theory of the tenous particles to the calculation of the optical properties of the atmospheric haze.","authors":"Vadim Raskin","doi":"10.1364/mo.1986.fb5","DOIUrl":"https://doi.org/10.1364/mo.1986.fb5","url":null,"abstract":"In this article based on application of theory of tenous particles developed by K.S. Shifrin to the calculation of the optical properties of atmospheric aerosol, scattering diagrams and total scattering coefficients are obtained in analytic form for a polydisperse aerosol having junge slopes n=−3, n=−4, n=−6 Also it is shown that the polydisperse system of spherical particles with a power law size distribution has a scattering diagram most sensitive to the form of the particle size distribution for small angles of scattering.","PeriodicalId":307652,"journal":{"name":"Topical Meeting on Meteorological Optics","volume":"150 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134521534","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
The Colors of Snow 雪的颜色
Topical Meeting on Meteorological Optics Pub Date : 1900-01-01 DOI: 10.1364/mo.1983.tha2
C. Bohren
{"title":"The Colors of Snow","authors":"C. Bohren","doi":"10.1364/mo.1983.tha2","DOIUrl":"https://doi.org/10.1364/mo.1983.tha2","url":null,"abstract":"No one needs to be convinced that snow is white. But those who have observed white snow on countless occasions may never have noticed that holes in snow are sometimes deep blue. So also are crevasses in glaciers blue. And sometimes the bubbly ice of frozen waterfalls may have a bluish-green hue. The purpose of this paper is to discuss these observations in the light of a simple theory (Bohren and Barkstrom, 1974), which has been critically discussed by van de Hulst (1980) and by Warren (1982).","PeriodicalId":307652,"journal":{"name":"Topical Meeting on Meteorological Optics","volume":"10 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133555803","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
A Method for Showing Polarization Effects in Optical Sky Phenomena 一种显示光学天空现象中偏振效应的方法
Topical Meeting on Meteorological Optics Pub Date : 1900-01-01 DOI: 10.1364/mo.1983.thc2
R. Greenler
{"title":"A Method for Showing Polarization Effects in Optical Sky Phenomena","authors":"R. Greenler","doi":"10.1364/mo.1983.thc2","DOIUrl":"https://doi.org/10.1364/mo.1983.thc2","url":null,"abstract":"We can observe polarization effects in optical sky phenomena by viewing the scene through a polarizing filter. Usually two orthogonal orientations of the filter will provide the greatest difference from polarizing effects. If the scene is photographed through each of these polarizer orientations, the resulting pictures should record much of the polarization information. To observe the polarization effects we can look for the difference in the two photographs. A projection device that emphasizes this difference is demonstrated.","PeriodicalId":307652,"journal":{"name":"Topical Meeting on Meteorological Optics","volume":"151 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115104987","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Variations in atmospheric refractive index associated with ground-based turbulence at the Mauna Kea Observatory 莫纳克亚天文台与地面湍流有关的大气折射率变化
Topical Meeting on Meteorological Optics Pub Date : 1900-01-01 DOI: 10.1364/mo.1986.thb7
D. A. Erasmus
{"title":"Variations in atmospheric refractive index associated with ground-based turbulence at the Mauna Kea Observatory","authors":"D. A. Erasmus","doi":"10.1364/mo.1986.thb7","DOIUrl":"https://doi.org/10.1364/mo.1986.thb7","url":null,"abstract":"Horizontal and vertical variations in the refractive index structure parameter (Cn2) within the surface boundary layer in the Mauna Kea summit area are quantified. The contribution of ground-based turbulence to the value of Cn2 integrated through the entire atmosphere is determined.","PeriodicalId":307652,"journal":{"name":"Topical Meeting on Meteorological Optics","volume":"11 3","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133135573","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
The Imaging Properties of Rarefied Clouds 稀薄云的成像特性
Topical Meeting on Meteorological Optics Pub Date : 1900-01-01 DOI: 10.1364/mo.1986.fa5
R. Shubert
{"title":"The Imaging Properties of Rarefied Clouds","authors":"R. Shubert","doi":"10.1364/mo.1986.fa5","DOIUrl":"https://doi.org/10.1364/mo.1986.fa5","url":null,"abstract":"Rarefied clouds of dust and gas, such as occur in comets for example, may exhibit under certain conditions of illumination a wide variety of bright morphological features which are also characteristic of optical imaging. Very similar effects are observed to occur in the phenomena of atmospheric optics, with respect to both the morphology of the light patterns which are produced and their temporal behavior.","PeriodicalId":307652,"journal":{"name":"Topical Meeting on Meteorological Optics","volume":"47 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115997772","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Halos and Singularities 光环和奇点
Topical Meeting on Meteorological Optics Pub Date : 1900-01-01 DOI: 10.1364/mo.1983.fa4
W. Tape
{"title":"Halos and Singularities","authors":"W. Tape","doi":"10.1364/mo.1983.fa4","DOIUrl":"https://doi.org/10.1364/mo.1983.fa4","url":null,"abstract":"This talk is a somewhat more sophisticated version of the expository article of Tape (1982), with added technical flesh and more halos, both real and theoretical. The message is the same: Most refraction halos are physical manifestations of singularities of mappings, and the crude nature of these halos is anticipated by singularity theory. Infralateral arcs, supralateral arcs, and upper and lower tangent arcs tend to be \"folds,\" while many Lowitz arcs have \"pleats\" as well as folds. The circular halos are instances of a higher dimensional singularity.","PeriodicalId":307652,"journal":{"name":"Topical Meeting on Meteorological Optics","volume":"32 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116673204","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
A Possible Application of the Fraunhofer Line Filling-in Effect to Cloud Top Height Measurement 弗劳恩霍夫线填充效应在云顶高度测量中的可能应用
Topical Meeting on Meteorological Optics Pub Date : 1900-01-01 DOI: 10.1364/mo.1986.fb4
H. Park, D. Heath, C. Mateer
{"title":"A Possible Application of the Fraunhofer Line Filling-in Effect to Cloud Top Height Measurement","authors":"H. Park, D. Heath, C. Mateer","doi":"10.1364/mo.1986.fb4","DOIUrl":"https://doi.org/10.1364/mo.1986.fb4","url":null,"abstract":"A feasibility of a new technique to measure the cloud top height is demonstrated. This technique utilizes the Fraunhofer line filling-in effect in the atmospheric scattering.","PeriodicalId":307652,"journal":{"name":"Topical Meeting on Meteorological Optics","volume":"18 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127758832","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Solar almucantar radiance and aerosol scattering; some results at one tropical and two mid-latitude stations 太阳almucantar辐射和气溶胶散射;一个热带站和两个中纬度站的一些结果
Topical Meeting on Meteorological Optics Pub Date : 1900-01-01 DOI: 10.1364/mo.1983.tha5
C. Oluwafemi
{"title":"Solar almucantar radiance and aerosol scattering; some results at one tropical and two mid-latitude stations","authors":"C. Oluwafemi","doi":"10.1364/mo.1983.tha5","DOIUrl":"https://doi.org/10.1364/mo.1983.tha5","url":null,"abstract":"The data base of this presentation consists of 36 sets of sky radiance and solar irradiance observations: 15 sets for Lagos (long. 3.3°E, lat. 6.3°N), 17 sets for Kensington, Sydney (long. 151°E, lat. 34°S) and 4 sets for Bedford (long. 72°W, lat. 43°N), MA, USA. As all the observations were made using the same apparatus at various times by the same person, instrumental and human inaccuracies are about constant and data from different stations are reliably compared.","PeriodicalId":307652,"journal":{"name":"Topical Meeting on Meteorological Optics","volume":"6 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121798174","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Carbon Dioxide Ice Halos on Mars; A Prediction from Crystal Growth Experiments 火星上的二氧化碳冰晕;晶体生长实验的预测
Topical Meeting on Meteorological Optics Pub Date : 1900-01-01 DOI: 10.1364/mo.1986.tha6
P. Doherty, Clarence Bennett
{"title":"Carbon Dioxide Ice Halos on Mars; A Prediction from Crystal Growth Experiments","authors":"P. Doherty, Clarence Bennett","doi":"10.1364/mo.1986.tha6","DOIUrl":"https://doi.org/10.1364/mo.1986.tha6","url":null,"abstract":"Some of the clouds observed on Mars are composed of carbon dioxide ice and appear as uniform thin layers1. On Earth, similar layers of water ice clouds produce a 22 degree halo and associated parhelia, known as sundogs. Will the CO2 ice clouds of Mars produce halos and sundogs? If so, at what angles? To calculate the angles at which halos might appear, the shape of CO2 ice crystals on Mars and their index of refraction are needed. Crystals of CO2 ice were grown in a laboratory chamber under Martian atmospheric conditions; atmospheric pressure2 of 0.73 kPa, and CO2 sublimation temperature3 of 148 K. A literature search produced an estimate of the index of refraction of CO2 ice under these same conditions. Angles of CO2 ice crystal halos were then calculated to be 26±3 and 38±5 degrees from the sun.","PeriodicalId":307652,"journal":{"name":"Topical Meeting on Meteorological Optics","volume":"45 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130655215","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 3
Bifrost: The Rainbow Bridge 彩虹桥
Topical Meeting on Meteorological Optics Pub Date : 1900-01-01 DOI: 10.1364/mo.1983.thb1
Alistair B. Fraser
{"title":"Bifrost: The Rainbow Bridge","authors":"Alistair B. Fraser","doi":"10.1364/mo.1983.thb1","DOIUrl":"https://doi.org/10.1364/mo.1983.thb1","url":null,"abstract":"Bridges will be built which link conceptions of the rainbow that come from myth, religion, art, commerce and science.","PeriodicalId":307652,"journal":{"name":"Topical Meeting on Meteorological Optics","volume":"26 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133027195","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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