Littérature scientifique sur le sujet « Subgrid heterogeneity »
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Articles de revues sur le sujet "Subgrid heterogeneity"
Curasi, Salvatore R., Joe R. Melton, Elyn R. Humphreys, Txomin Hermosilla et Michael A. Wulder. « Implementing a dynamic representation of fire and harvest including subgrid-scale heterogeneity in the tile-based land surface model CLASSIC v1.45 ». Geoscientific Model Development 17, no 7 (12 avril 2024) : 2683–704. http://dx.doi.org/10.5194/gmd-17-2683-2024.
Texte intégralHuang, Meng, Po-Lun Ma, Nathaniel W. Chaney, Dalei Hao, Gautam Bisht, Megan D. Fowler, Vincent E. Larson et L. Ruby Leung. « Representing surface heterogeneity in land–atmosphere coupling in E3SMv1 single-column model over ARM SGP during summertime ». Geoscientific Model Development 15, no 16 (29 août 2022) : 6371–84. http://dx.doi.org/10.5194/gmd-15-6371-2022.
Texte intégralTesfa, Teklu K., et Lai-Yung Ruby Leung. « Exploring new topography-based subgrid spatial structures for improving land surface modeling ». Geoscientific Model Development 10, no 2 (22 février 2017) : 873–88. http://dx.doi.org/10.5194/gmd-10-873-2017.
Texte intégralSchymanski, Stanislaus J., Axel Kleidon, Marc Stieglitz et Jatin Narula. « Maximum entropy production allows a simple representation of heterogeneity in semiarid ecosystems ». Philosophical Transactions of the Royal Society B : Biological Sciences 365, no 1545 (12 mai 2010) : 1449–55. http://dx.doi.org/10.1098/rstb.2009.0309.
Texte intégralKunstmann, H. « Upscaling of land-surface parameters through direct moment propagation ». Advances in Geosciences 5 (16 décembre 2005) : 127–31. http://dx.doi.org/10.5194/adgeo-5-127-2005.
Texte intégralde Vrese, Philipp, et Stefan Hagemann. « Explicit Representation of Spatial Subgrid-Scale Heterogeneity in an ESM ». Journal of Hydrometeorology 17, no 5 (19 avril 2016) : 1357–71. http://dx.doi.org/10.1175/jhm-d-15-0080.1.
Texte intégralEfendiev, Y., et L. J. Durlofsky. « Numerical modeling of subgrid heterogeneity in two phase flow simulations ». Water Resources Research 38, no 8 (août 2002) : 3–1. http://dx.doi.org/10.1029/2000wr000190.
Texte intégralKe, Y., L. R. Leung, M. Huang et H. Li. « Enhancing the representation of subgrid land surface characteristics in land surface models ». Geoscientific Model Development 6, no 5 (27 septembre 2013) : 1609–22. http://dx.doi.org/10.5194/gmd-6-1609-2013.
Texte intégralMalyshev, Sergey, Elena Shevliakova, Ronald J. Stouffer et Stephen W. Pacala. « Contrasting Local versus Regional Effects of Land-Use-Change-Induced Heterogeneity on Historical Climate : Analysis with the GFDL Earth System Model ». Journal of Climate 28, no 13 (1 juillet 2015) : 5448–69. http://dx.doi.org/10.1175/jcli-d-14-00586.1.
Texte intégralEssery, R. L. H., M. J. Best, R. A. Betts, P. M. Cox et C. M. Taylor. « Explicit Representation of Subgrid Heterogeneity in a GCM Land Surface Scheme ». Journal of Hydrometeorology 4, no 3 (juin 2003) : 530–43. http://dx.doi.org/10.1175/1525-7541(2003)004<0530:eroshi>2.0.co;2.
Texte intégralThèses sur le sujet "Subgrid heterogeneity"
Lee, Haksu. « Development and performance analysis of a physically based hydrological model incorporating the effects of subgrid heterogeneity ». University of Western Australia. School of Environmental Systems Engineering, 2007. http://theses.library.uwa.edu.au/adt-WU2007.0129.
Texte intégralLebrun, Raphaël. « Modélisation du recouvrement vertical des nuages et impacts sur le rayonnement ». Electronic Thesis or Diss., Sorbonne université, 2023. http://www.theses.fr/2023SORUS405.
Texte intégralRadiative transfer is a crucial process in atmospheric and climate modelling, as well as for climate change simulations. Computations of radiative fluxes at the top of the atmosphere and at the surface allow us to estimate the radaitive budget of the planet, which is very important to represent correctly when it comes to climate simulations. Many elements interact with the radiation in the atmosphere : gases, aerosols, clouds, and different types of surfaces (vegetation, oceans, snow...). These different components do not interact in the same way with solar radiation, that comes from the sun, and with infrared radiation, that comes from the earth’s surface and the atmosphere itself. In both situations, clouds, composed of liquid water droplets and/or solid water crystals, represent an important modeling difficulty. Clouds are complex objects, because of their composition, their geometry, and their multiple interactions with the radiation field. Cloud-radiation interaction has been studied for many years, and it has been shown that it represents one of the most important obstacles to the improvement of global climate models. In this work, we focus on one of the key aspects in the representation of the effect of clouds on radiation : vertical cloud overlap. This notion is indeed directly linked to the cloud cover, which is a quantity of first order importance in the calculation of the albedo of a cloud scene. Within the framework of the vertical cloud overlap, we develop a formalism allowing us to explore in depth various hypotheses of cloud overlap, in particular exponential-random overlap. We show that this overlap hypothesis can, under certain conditions, allow a very good representation of cloud properties, both geometric and radiative, even from a coarse resolution vertical cloud profile. We show that the vertical subgrid variability of the cloud fraction, although not taken into account by large-scale atmospheric models, can have a significant impact on the solar fluxes calculated at the top of the atmosphere. The rigorous consideration of vertical resolutions by the overlap is also an important factor. We then focus on incorporating these overlap results into a Monte Carlo radiative transfer code (RadForce). The use of this new algorithm, which also uses a line-by-line approach for the different atmospheric gases, allows us to model the emission altitudes of each atmospheric component. These new tools allow us to analyze in a new way the radiative forcings linked to greenhouse gases, as well as the impact of taking into account the vertical overlap of clouds and their vertical subgrid heterogeneity
Chapitres de livres sur le sujet "Subgrid heterogeneity"
Avissar, Roni. « A Statistical-Dynamical Approach to Parameterize Subgrid-Scale Land-Surface Heterogeneity in Climate Models ». Dans Land Surface — Atmosphere Interactions for Climate Modeling, 155–78. Dordrecht : Springer Netherlands, 1991. http://dx.doi.org/10.1007/978-94-009-2155-9_8.
Texte intégralRubin, Yoram. « Upscaling, Computational Aspects, and Statistics of the Velocity Field ». Dans Applied Stochastic Hydrogeology. Oxford University Press, 2003. http://dx.doi.org/10.1093/oso/9780195138047.003.0011.
Texte intégralRubin, Yoram. « An Overview of Stochastic Tools for Modeling Transport of Tracers in Heterogeneous Media ». Dans Applied Stochastic Hydrogeology. Oxford University Press, 2003. http://dx.doi.org/10.1093/oso/9780195138047.003.0012.
Texte intégralActes de conférences sur le sujet "Subgrid heterogeneity"
Bou-Zeid, Elie, Charles Meneveau et Marc B. Parlange. « Applications of the Lagrangian Dynamic Model in LES of Turbulent Flow Over Surfaces With Heterogeneous Roughness Distributions ». Dans ASME 2004 Heat Transfer/Fluids Engineering Summer Conference. ASMEDC, 2004. http://dx.doi.org/10.1115/ht-fed2004-56127.
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