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Fu-Lung Chang and Zhanqing Li

1. Introduction To date, the overlap of high cirrus cloud and low water cloud has posed a major challenge in determining cloud optical properties using passive weather satellite observations. Presence of cirrus overlapping low cloud has been frequently reported by surface observers and aircraft observations ( Hahn et al. 1982 , 1984 ; Warren et al. 1985 ; Tian and Curry 1989 ). Based on a 12-yr (1965–76) dataset of ship-reported synoptic observations over the North Atlantic Ocean between 30

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E. Leontieva and K. Stamnes

NOVEMBER 1996 LEONTIEVA AND STAMNES 2011Remote Sensing of Cloud Optical Properties from Ground-BasedMeasurements of Transmittance: A Feasibility Study E. LEONTIEVA AND K. STAMNESGeophysical Institute and Department of Physics, University of Alaska, Fairbanks, Alaska(Manuscript received 16 November 1995, in final form 21 Mamh 1996)ABSTRACT The authors present a retrieval technique for the

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Christopher Lee and Mark Ian Richardson

of the radiative state of the Venus atmosphere using radiative transfer models by developing a flexible model capable of simulating the radiative fluxes over a wide spectral range (currently 0.1–260 μ m), including the optical properties of nine absorbing gases, three cloud modes, and the unknown UV absorber ( Esposito et al. 1997 ; Crisp 1986 ). We include optical properties for the gases derived from a high-resolution tabulation of a line database, Rayleigh scattering and continuum absorption

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Helena González Jorge and John A. Ogren

VOL. 53, NO. 24 JOURNAL OF THE ATMOSPHERIC SCIENCES 15 DECEMBER 1996Sensitivity of Retrieved Aerosol Properties to Assumptions in the Inversion of Spectral Optical Depths HELENA GONZ~LEZ JORGE Departamento de F-sica Fundamental y Experimental, Universidad de La Laguna, La Laguna, Spain,and Climate Monitoring and Diagnostic Laboratory, National Oceanic and Atmospheric Administration, Boulder

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Maosi Chen, John Davis, and Wei Gao

1. Introduction Ground-based solar radiation measurement systems are generally considered simple, reliable, and necessary to validate satellite measurements and retrievals ( Smirnov et al. 2000 ; Krotkov et al. 2005 ). Separation of clear-sky and cloudy portions in measurements is an essential requirement that all these ground systems have to fulfill during in situ calibration and while producing retrievals of atmospheric properties [e.g., aerosol optical depth (AOD)]. One of the most common

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Zhian Sun and Lawrie Rikus

climatology may be considered adequate, real-time cloud fields are more difficult to characterize and validate, particularly if cloud optical properties are involved. Nevertheless it has been shown that the scheme is capable of providing useful and timely information about the operational medium-range prediction model and has also been used as a validation tool for the development of a modified diagnostic cloud scheme and various cloud optical property schemes implemented into the GASP model, leading to

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Andi Walther and Andrew K. Heidinger

Meteorological Satellites (EUMETSAT) MetOp series slated to continue until 2020. Therefore, the AVHRR record should span over 40 years when completed, making it one of the most valuable satellite-based data records for cloud climatological descriptions. One of the more critical components of PATMOS-x is the daytime cloud optical and microphysical properties (DCOMP) algorithm, which generates estimates of cloud optical thickness, cloud effective radius, and ice/water path during daylight conditions. Cloud

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Anthony J. Baran, Peter Hill, David Walters, Steven C. Hardiman, Kalli Furtado, Paul R. Field, and James Manners

TTL, as found by Lawson et al. (2008) ; also, Lee et al. (2009) showed that these clouds may exert a net radiative effect on the order of about 1.1 W m −2 . In general, the role of cirrus in either heating or cooling the TTL depends not only on the visible optical depth but also on the microphysics and the scattering and absorption properties of atmospheric ice ( Baran et al. 2014a , hereinafter B014a ; Yang et al. 2015 , and references therein). There have been aircraft campaigns that have

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David C. English and Kendall L. Carder

1. Introduction Measurement of optical properties in the ocean is important for sea surface remote sensing studies as well as productivity, heat budget, and visibility estimates. Among other benefits, remote sensing is useful for determining extents of reefs and sea grass beds, bathymetry in optically shallow waters, and locations of submerged features and man-made objects on a shallow seabed (e.g., Philpot et al. 2004 ). However, an accurate atmospheric correction process is necessary for

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Jean-François Gayet, Guy Febvre, Gerard Brogniez, Helene Chepfer, Wolfgang Renger, and Peter Wendling

126 JOURNAL OF THE ATMOSPHERIC SCIENCES -oL. 53, No. IMicrophysical and Optical Properties of Cirrus ~m~ ContrOls: Cloud Field Study on ItS October 1989 IEAN-FKAN~:OIS GAYET AND GuY FEBVRELaboratoire de Mdt~orologie Physique, URA CNRS, Universit~ Blaise Pascal, Clermont-Ferrana~ France GE~a~O BRo~rmz A~ro HELENE CHBPFERLaboratoire d'Optique Atmosph~rique, URA CNRS

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