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Relevant bibliographies by topics / Surface cloud radiative effect / Dissertations / Theses

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Dissertations / Theses on the topic 'Surface cloud radiative effect'

Author: Grafiati

Published: 25 May 2024

Last updated: 31 July 2025

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1

Arouf, Assia. "Surface longwave cloud radiative effect derived from space lidar observations : application in the Arctic." Electronic Thesis or Diss., Sorbonne université, 2023. http://www.theses.fr/2023SORUS173.

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Les nuages jouent un rôle important dans la régulation du bilan énergétique à la surface de la Terre. Par exemple, ils absorbent le rayonnement tellurique émis par la surface de la Terre et le réémettent vers la surface, réchauffant ainsi cette dernière. Ce réchauffement peut être quantifié au travers de l’effet radiatif des nuages (Cloud Radiative Effect (CRE)) infrarouge (LongWave (LW)) à la surface. Cependant, il n’est pas bien connu en tout point du globe et sa variabilité instantané et interdécennale est mal connue. En effet, il dépend fortement de la distribution verticale des nuages qui

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2

Marty, Christoph. "Surface radiation, cloud forcing and greenhouse effect in the Alps /." Zürich, 2000. http://e-collection.ethbib.ethz.ch/show?type=diss&nr=13609.

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3

Schäfer, Michael, Eike Bierwirth, André Ehrlich, Evi Jäkel, and Manfred Wendisch. "Three-dimensional radiative effects in Arctic boundary layer clouds above ice edges." Universität Leipzig, 2015. https://ul.qucosa.de/id/qucosa%3A16651.

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Based on airborne spectral imaging observations, three-dimensional (3-D) radiative effects between Arctic boundary layer clouds and highly variable Arctic surfaces have been identified and quantified. A method is presented to discriminate sea ice and open water in cloudy conditions based on airborne upward radiance measurements in the visible spectral range. This separation simultaneously reveals that the transition of radiance between open water and sea ice is not instantaneous in cloudy conditions but horizontally smoothed. In general, clouds reduce the nadir radiance above bright surfaces i

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4

Viúdez, i. Mora Antoni. "Atmospheric downwelling longwave radiation at the surface during cloudless and overcast conditions. Measurements and modeling." Doctoral thesis, Universitat de Girona, 2011. http://hdl.handle.net/10803/31841.

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Atmospheric downwelling longwave radiation is an important component of the terrestrial energy budget; since it is strongly related with the greenhouse effect, it remarkably affects the climate. In this study, I evaluate the estimation of the downwelling longwave irradiance at the terrestrial surface for cloudless and overcast conditions using a one-dimensional radiative transfer model (RTM), specifically the Santa Barbara DISORT Atmospheric Radiative Transfer (SBDART). The calculations performed by using this model were compared with pyrgeometer measurements at three different European places

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5

Spadanuda, Enrica. "Surface cloud radiative forcing from broadband radiation measurements on the Antarctic plateau." Master's thesis, Alma Mater Studiorum - Università di Bologna, 2016. http://amslaurea.unibo.it/10201/.

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Surface based measurements systems play a key role in defining the ground truth for climate modeling and satellite product validation. The Italian-French station of Concordia is operative year round since 2005 at Dome C (75°S, 123°E, 3230 m) on the East Antarctic Plateau. A Baseline Surface Radiation Network (BSRN) site was deployed and became operational since January 2006 to measure downwelling components of the radiation budget, and successively was expanded in April 2007 to measure upwelling radiation. Hence, almost a decade of measurement is now available and suitable to define a statisti

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6

Li, Xianming. "The effect of gas-surface interactions on radiative ignition of PMMA." Diss., Georgia Institute of Technology, 1990. http://hdl.handle.net/1853/15888.

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7

Monteiro, Manuel Conceição Gonçalves. "Forçamento radiativo à superficie e no topo da atmosfera provocado por nuvens sobre a Região de Évora : Cloud radiative forcing to the surface and in the top of the atmosphere provoked for clouds on the region of Évora." Master's thesis, Universidade de Évora, 2004. http://hdl.handle.net/10174/14850.

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Nesta tese investigou-se o papel desempenhado pelas nuvens no balanço radiativo local observado à superfície da Terra. Para tal foram determinados os forçamentos radiativos de pequeno comprimento de onda, de grande comprimento de onda e referentes à banda espectral total devido às nuvens. Recorrendo a imagens de satélite, determinou-se os forçamentos radiativos devido às nuvens, no topo da atmosfera. Foram consideradas as situações de cobertura total de nuvens, ou seja, correspondendo à nebulosidade máxima, N=8. O estudo foi feito de modo a poder contemplar situações distintas de cobertura de

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8

Xie, Yu. "The effect of ice crystal surface roughness on the retrieval of ice cloud microphysical and optical properties." Texas A&M University, 2003. http://hdl.handle.net/1969.1/5970.

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The effect of the surface roughness of ice crystals is not routinely accounted for in current cloud retrieval algorithms that are based on pre-computed lookup libraries. In this study, we investigate the effect of ice crystal surface roughness on the retrieval of ice cloud effective particle size, optical thickness and cloud-top temperature. Three particle surface conditions, smooth, moderately rough and deeply rough, are considered in the visible and near-infrared channels (0.65 and 3.75 ÃÂµm). The discrete ordinates radiative transfer (DISORT) model is used to compute the radiances for a se

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9

Voogt, James Adrian. "Validation of an urban canyon radiation model for nocturnal long-wave radiative fluxes and the effect of surface geometry on cooling in urban canyons." Thesis, University of British Columbia, 1989. http://hdl.handle.net/2429/27679.

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The urban canyon radiation model of Arnfield (1976, 1982) is validated using measurements of long-wave fluxes taken within a scale urban canyon constructed from concrete building blocks. A custom-designed traversing system allowed miniature radiometers to be automatically moved around the perimeter of a canyon cross-section thereby providing for the validation of individual model grid-points. Measured model input consists of surface temperatures obtained using fine wire themocouples, incident long-wave radiation at the canyon top, and emissivity of canyon materials. Tests were conducted to es

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10

Galloway, Christopher. "Non-radiative processes and vibrational pumping in surface-enhanced raman scattering : a thesis submitted to the Victoria University of Wellington in fulfilment of the requirements for the degree of Doctor of Philosophy in Physics /." ResearchArchive@Victoria e-Thesis, 2010. http://hdl.handle.net/10063/1244.

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11

Li, Peng. "Temporal and Spatial Variability of Surface Solar Radiation over the South-West Indian Ocean and Reunion Island : Regional Climate Modeling." Thesis, La Réunion, 2015. http://www.theses.fr/2015LARE0021/document.

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Ce travail documente la variabilité spatiale et temporelle du rayonnement solaire à la surface sur le sud-ouest de l'océan Indien (SOOI) et l'île de La Réunion à l'aide de deux modèles régionaux de climat (MRC) : les modèles RegCM et WRF. La première partie de ce travail est dédiée à l'analyse de la variabilité temporelle du rayonnement solaire à l'aide du modèle RegCM sur le SOOI avec une résolution spatiale modérée (50km). S'agissant du premier travail sur la modélisation régionale du climat pour l'étude du rayonnement solaire dans le SOOI, une première série de tests pour illustrer les perf

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12

Vaillant, De Guélis Thibault. "Apport des observations par lidar spatial pour comprendre l'effet radiatif des nuages dans l'infrarouge." Thesis, Paris 6, 2017. http://www.theses.fr/2017PA066580/document.

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Parce que les processus nuageux sont des processus complexes qui opèrent à des échelles spatiales très différentes, l'évolution de l'effet radiatif des nuages (CRE) dans un climat qui se réchauffe est incertaine. Afin de mieux comprendre l'évolution du CRE, il est utile de l'exprimer en fonction de propriétés nuageuses fondamentales et observables. Dans l'infrarouge (LW), l'altitude des nuages est une des propriétés fondamentales, ainsi que leur couverture et leur opacité. Les observations collectées par le lidar spatial CALIOP durant la dernière décennie nous ont permis d'exprimer le CRE LW e

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13

Hory, Marie Anne. "Contribution à l'étude de la luminescence du silicium poreux : analyse infrarouge de la passivation de surface et effets de la polarisation électrique." Université Joseph Fourier (Grenoble), 1995. http://www.theses.fr/1995GRE10150.

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Les etudes presentees dans ce manuscrit portent sur la photo- (pl) et l'electro-luminescence (el) de couches de silicium poreux obtenu par attaque electrochimique de substrat de silicium monocristallin. La premiere partie presente les principales caracteristiques du materiau et la description de ses proprietes de luminescence accompagnee des differents modeles avances pour en expliquer les mecanismes, en s'attachant tout particulierement a celui du confinement quantique des porteurs dans les cristallites qui forment la couche poreuse, qui est le plus generalement retenu. La deuxieme partie dec

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14

Hanschmann, Timo. "Unsicherheiten in der Erfassung des kurzwelligen Wolkenstrahlungseffektes." Doctoral thesis, Universitätsbibliothek Leipzig, 2014. http://nbn-resolving.de/urn:nbn:de:bsz:15-qucosa-137323.

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Diese Arbeit betrachtet die Wechselwirkung von solarer Einstrahlung mit Wolken in der Atmosphäre. Diese wird insbesondere repräsentiert durch den Wolkenstrahlungseffekt. Hierbei wurde vor allem auf die Auswirkungen von kleinskaliger Variabilität von Wolken und Wolkenfeldern auf die Genauigkeit des Wolkenstrahlungseffektes am Oberrand der Atmosphäre und am Boden Rücksicht genommen. Mit einer Schliessungsstudie ist der modellierte Wolkenstrahlungseffekt mit Schiffsmessungen verglichen worden. Hierbei wurden die Wolkeneigenschaften in dem Modell durch Schiffs- und Satellitendaten als Eingangsdate

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15

Vaillant, De Guélis Thibault. "Apport des observations par lidar spatial pour comprendre l'effet radiatif des nuages dans l'infrarouge." Electronic Thesis or Diss., Paris 6, 2017. http://www.theses.fr/2017PA066580.

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Abstract:

Parce que les processus nuageux sont des processus complexes qui opèrent à des échelles spatiales très différentes, l'évolution de l'effet radiatif des nuages (CRE) dans un climat qui se réchauffe est incertaine. Afin de mieux comprendre l'évolution du CRE, il est utile de l'exprimer en fonction de propriétés nuageuses fondamentales et observables. Dans l'infrarouge (LW), l'altitude des nuages est une des propriétés fondamentales, ainsi que leur couverture et leur opacité. Les observations collectées par le lidar spatial CALIOP durant la dernière décennie nous ont permis d'exprimer le CRE LW e

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16

Hanschmann, Timo. "Unsicherheiten in der Erfassung des kurzwelligen Wolkenstrahlungseffektes." Doctoral thesis, Leibniz Institut für Troposphärenforschung, 2013. https://ul.qucosa.de/id/qucosa%3A12324.

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Diese Arbeit betrachtet die Wechselwirkung von solarer Einstrahlung mit Wolken in der Atmosphäre. Diese wird insbesondere repräsentiert durch den Wolkenstrahlungseffekt. Hierbei wurde vor allem auf die Auswirkungen von kleinskaliger Variabilität von Wolken und Wolkenfeldern auf die Genauigkeit des Wolkenstrahlungseffektes am Oberrand der Atmosphäre und am Boden Rücksicht genommen. Mit einer Schliessungsstudie ist der modellierte Wolkenstrahlungseffekt mit Schiffsmessungen verglichen worden. Hierbei wurden die Wolkeneigenschaften in dem Modell durch Schiffs- und Satellitendaten als Eingangsdate

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17

Hsieh, Wei-Chun. "The impacts of carbonaceous chemicals on cloud formation: cloud burning effect and surface film effect." 2004. http://www.cetd.com.tw/ec/thesisdetail.aspx?etdun=U0001-2607200414042600.

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18

Hsieh, Wei-Chun, and 謝幃鈞. "The impacts of carbonaceous chemicals on cloud formation: cloud burning effect and surface film effect." Thesis, 2004. http://ndltd.ncl.edu.tw/handle/89382189956049321676.

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碩士<br>國立臺灣大學<br>大氣科學研究所<br>92<br>This study applies theoretical analyses and numerical simulations to show how the cloud drop activation process is influenced by the presence of Black Carbon (BC) and Film-Forming Compounds (FFC). BC heating has the effect of raising critical saturation ratio of the droplet and may delay the activation of the aerosol into a cloud drop. The effect is stronger in larger Cloud Condensation Nuclei (CCN) that contain higher amount of BC. Total heating effect that contributes by the sum of whole aerosol population has two opposite effects. One is that BC heating will

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19

Pavolonis, Michael J. "Antarctic cloud radiative forcing at the surface estimated from the ISCCP D1 and AVHRR polar pathfinder data sets, 1985-1993." 2002. http://catalog.hathitrust.org/api/volumes/oclc/50148236.html.

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Thesis (M.S.)--University of Wisconsin--Madison, 2002.<br>Typescript. eContent provider-neutral record in process. Description based on print version record. Includes bibliographical references (leaves 121-123).

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