Littérature scientifique sur le sujet « Vegetation-Atmosphere System »
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Articles de revues sur le sujet "Vegetation-Atmosphere System"
Vella, Ryan, Matthew Forrest, Jos Lelieveld et Holger Tost. « Isoprene and monoterpene simulations using the chemistry–climate model EMAC (v2.55) with interactive vegetation from LPJ-GUESS (v4.0) ». Geoscientific Model Development 16, no 3 (3 février 2023) : 885–906. http://dx.doi.org/10.5194/gmd-16-885-2023.
Texte intégralYoshioka, H. « Vegetation Isoline Equations for an Atmosphere–Canopy–Soil System ». IEEE Transactions on Geoscience and Remote Sensing 42, no 1 (janvier 2004) : 166–75. http://dx.doi.org/10.1109/tgrs.2003.817793.
Texte intégralPort, U., et M. Claussen. « Stability of the vegetation–atmosphere system in the early Eocene climate ». Climate of the Past Discussions 11, no 3 (5 mai 2015) : 1551–78. http://dx.doi.org/10.5194/cpd-11-1551-2015.
Texte intégralKleidon, A., K. Fraedrich et C. Low. « Multiple steady-states in the terrestrial atmosphere-biosphere system : a result of a discrete vegetation classification ? » Biogeosciences 4, no 5 (28 août 2007) : 707–14. http://dx.doi.org/10.5194/bg-4-707-2007.
Texte intégralKleidon, A., K. Fraedrich et C. Low. « Multiple steady-states in the terrestrial atmosphere-biosphere system : a result of a discrete vegetation classification ? » Biogeosciences Discussions 4, no 1 (22 février 2007) : 687–705. http://dx.doi.org/10.5194/bgd-4-687-2007.
Texte intégralWang, Fuyao, Michael Notaro, Zhengyu Liu et Guangshan Chen. « Observed Local and Remote Influences of Vegetation on the Atmosphere across North America Using a Model-Validated Statistical Technique That First Excludes Oceanic Forcings* ». Journal of Climate 27, no 1 (1 janvier 2014) : 362–82. http://dx.doi.org/10.1175/jcli-d-13-00080.1.
Texte intégralYang, Peiqi, Wout Verhoef et Christiaan van der van der Tol. « Unified Four-Stream Radiative Transfer Theory in the Optical-Thermal Domain with Consideration of Fluorescence for Multi-Layer Vegetation Canopies ». Remote Sensing 12, no 23 (28 novembre 2020) : 3914. http://dx.doi.org/10.3390/rs12233914.
Texte intégralCalvet, Jean-Christophe, Patricia de Rosnay et Stephen G. Penny. « Editorial for the Special Issue “Assimilation of Remote Sensing Data into Earth System Models” ». Remote Sensing 11, no 18 (19 septembre 2019) : 2177. http://dx.doi.org/10.3390/rs11182177.
Texte intégralDekker, S. C., H. J. de Boer, V. Brovkin, K. Fraedrich, M. J. Wassen et M. Rietkerk. « Biogeophysical feedbacks trigger shifts in the modelled vegetation-atmosphere system at multiple scales ». Biogeosciences 7, no 4 (12 avril 2010) : 1237–45. http://dx.doi.org/10.5194/bg-7-1237-2010.
Texte intégralMilcu, Alexandru, Martin Lukac, Jens-Arne Subke, Pete Manning, Andreas Heinemeyer, Dennis Wildman, Robert Anderson et Phil Ineson. « Biotic carbon feedbacks in a materially closed soil–vegetation–atmosphere system ». Nature Climate Change 2, no 4 (11 mars 2012) : 281–84. http://dx.doi.org/10.1038/nclimate1448.
Texte intégralThèses sur le sujet "Vegetation-Atmosphere System"
Hughes, John K. « The dynamic response of the global atmosphere-vegetation coupled system ». Thesis, University of Reading, 2004. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.397768.
Texte intégralRabbel, Inken [Verfasser]. « Analyzing feedbacks in a forest soil-vegetation-atmosphere system / Inken Rabbel ». Bonn : Universitäts- und Landesbibliothek Bonn, 2019. http://d-nb.info/1188731319/34.
Texte intégralChatterjee, Sumantra. « ESTIMATING EVAPOTRANSPIRATION USING REMOTE SENSING : A HYBRID APPROACH BETWEEN MODIS DERIVED ENHANCED VEGETATION INDEX, BOWEN RATIO SYSTEM, AND GROUND BASED MICRO-METEOROLOGICAL DATA ». Wright State University / OhioLINK, 2010. http://rave.ohiolink.edu/etdc/view?acc_num=wright1271602329.
Texte intégralBolinius, Damien Johann. « Methods to measure mass transfer kinetics, partition ratios and atmospheric fluxes of organic chemicals in forest systems ». Doctoral thesis, Stockholms universitet, Institutionen för miljövetenskap och analytisk kemi, 2016. http://urn.kb.se/resolve?urn=urn:nbn:se:su:diva-136008.
Texte intégralAt the time of the doctoral defense, the following paper was unpublished and had a status as follows: Paper 3: Manuscript.
Gutierrez, Cori Omar. « Relationship and feedback between LULC changes and hydroclimatic variability in Amazonia ». Electronic Thesis or Diss., Sorbonne université, 2024. http://www.theses.fr/2024SORUS123.
Texte intégralThe Amazon rainforest plays a vital role by functioning as a regulator of the climate system and as the main terrestrial carbon sink. It drives hydroclimatic processes and mitigates the effects of droughts through vegetation-atmosphere coupling. Indeed, Amazon forests have the potential to impact rainfall patterns through biophysical processes like water recycling. However, these capacities have been reduced during the last decades due to disturbances in the climate-vegetation system together with the intensification of droughts. All this has accentuated a process of biophysical transition from a predominantly forested ecosystem to a Savanna. Therefore, given these complexities, understanding the direction of changes is of vital importance.Using multiple datasets and the coupled ORCHIDEE and LMDZ models, this thesis delves into the study of the interactions between Amazon hydroclimatology and vegetation. In addition, it seeks to expand our understanding of modifications in the vegetation-atmosphere system and its links with climate and LULC changes. Likewise, taking into account the increasing rates of deforestation, it investigates the effects and feedback resulting from a large-scale forest loss scenario on hydrological processes.The results show that, over the southwestern Amazon, forests undergo a transition from being influenced by energy availability to depending on water availability throughout the year. During the rainy season, vegetation growth is primarily influenced by energy availability rather than water availability. Nevertheless, outside of this period, forests respond positively to precipitation and terrestrial water storage, suggesting that vegetation is primarily dependent on water supply. However, a spatial analysis reveals that recent deforestation modifies these transitions and destabilizes the natural balance in the climate-vegetation system.The nature of these imbalances in the Amazon is not entirely clarified. Through an approach based on the relationships of water/energy fluxes and vegetation conditions over the last four decades, it is explored whether these changes are intrinsic to climate variability or are driven by anthropogenic processes. 67% of the southwestern Amazon has experienced a transition towards a predominantly dry state due to climatic factors (external forcing), while 21% has transitioned towards a state dominated by deforestation (internal forcing). However, external and internal forcings are not independent processes, as both mechanisms drive changes simultaneously. By weighing the magnitudes of these forcings, we show that the synergies have led 74% of the southwestern Amazon toward a state of greater water stress. Nevertheless, during recent years, although combined external-internal processes continue to exert significant control over changes, 30% of these are strictly dominated by internal forcing. This suggests that internal processes are playing an increasingly relevant role in the transition towards a state characterized by high forest water stress, especially in areas where deforestation and anthropogenic pressure are increasing.Using the coupled ORCHIDEE and LMDZ models, the effects of projected Amazon deforestation by 2050 on the hydrological cycle and dryness are examined. Deforestation decreases precipitation, reduces evapotranspiration and increases runoff. Furthermore, deforestation accentuates water stress especially in the southwestern Amazon (positive feedback). Water demands in the atmosphere, on the land surface and even in the soil root zone intensify during the dry season. During the wet season, the deficit of specific atmospheric humidity becomes even more acute towards the tropical Andes over the Altiplano region. These findings provide a more thorough understanding of the possible effects of massive forest removal on the water availability and resilience of the Amazon in a context where changes are occurring at an accelerated rate
Brimelow, Julian Charles. « On the use of modelling, observations and remote sensing to better understand the Canadian prairie soil-crop-atmosphere system ». 2011. http://hdl.handle.net/1993/4462.
Texte intégralTagarelli, Vito. « Analysis of the slope-vegetation-atmosphere interaction for the design of the mitigation measures of landslide risk in clayey slopes ». Doctoral thesis, 2019. http://hdl.handle.net/11589/161130.
Texte intégralThe present research activity deals with the evolution of the equilibrium conditions in time with reference to climate-induced landslides. The approach followed herein is mainly linked to the comparison between numerical analyses and field monitoring data which are of major importance to state the success of the numerical predictions. The research is first aimed at identifying the main internal and external factors to be accounted for numerically replicating the field evidence. As such in this step of the work, the purpose is to diagnose the current seasonal activity observed in a case study (the Pisciolo slope) in terms of hydraulic and mechanical behavior. In particular, a boundary value problem has been numerically solved with different and gradually more complex numerical strategies. Specifically, hydraulic and hydro-mechanical numerical analyses have been carried out, aimed at highlighting the strengths and weaknesses of each numerical strategy in modeling the current activity of the Pisciolo slope. The representativeness of the Pisciolo slope with respect to several landslide mechanisms in the South-Eastern Apennine, makes this case study of particular interest, since the site-specific conclusions drawn may be also valid for other mechanisms. This circumstance appears to be very relevant, since it allows for transposition of concepts and design strategies from a representative slope to others, even without very detailed site-specific studies. The final aim of this research work is to give advice on two different mitigation measures, addressing the design of early warning systems and bio-engineering interventions for the landslide mechanism of reference. The early warning system is designed with reference to different landslide bodies, from shallow to deep, highlighting the differences on both the reference threshold variables and threshold values. This analysis is carried out by means of hydraulic numerical modeling followed by the computation of the safety factor with the limit equilibrium method. The climatic forcing input for these analyses is obtained from real climatic data, from 2001 to 2016, for which rainfall and minimum and maximum temperatures were available from climatic annals provided by a climatic monitoring station close the Pisciolo slope. The results of the diagnosis of the landslide mechanism allow realizing that also the pre-existent climatic condition may affect the subsequent impact of a certain climatic input. As such, among all the monitored years available, two different years have been chosen as representative of a very rainy and a very dry one; those have been applied prior the application of the climatic year under investigation. The analysis of the efficiency of a bio-engineering intervention has been of interest in this research activity; in particular, the use of deep-rooted crops on the soil cover for stabilizing shallow and deep bodies is studied herein. As such, a test site (approx. 2000 m2) has been installed at the toe of the Pisciolo landslide, aimed at determining the hydraulic efficiency of some selected crop types. The various crop types have been seeded into the test site, and the monitoring of climatic variables, the shallow cover state (unsaturated zone), and the deeper soil state (saturated zone) has been activated in January 2018 and is still on-going. A numerical platform of differential equations for solving the thermo-hydraulic boundary value problem is described, with the future aim to back-calculate the upward fluxes of evaporation and plant-induced transpiration. Although not being conclusive, this study may be scientifically relevant and is then intended to have repercussions on the practical side, being useful for future guidelines for the design of bio-engineering interventions.
Livres sur le sujet "Vegetation-Atmosphere System"
Claussen, Martin, Anne Dallmeyer et Jürgen Bader. Theory and Modeling of the African Humid Period and the Green Sahara. Oxford University Press, 2017. http://dx.doi.org/10.1093/acrefore/9780190228620.013.532.
Texte intégralVerschuur, Gerrit L. Impact ! Oxford University Press, 1996. http://dx.doi.org/10.1093/oso/9780195101058.001.0001.
Texte intégralChapitres de livres sur le sujet "Vegetation-Atmosphere System"
Shuttleworth, W. James. « The Soil-Vegetation-Atmosphere Interface ». Dans Energy and Water Cycles in the Climate System, 323–64. Berlin, Heidelberg : Springer Berlin Heidelberg, 1993. http://dx.doi.org/10.1007/978-3-642-76957-3_13.
Texte intégralSatoh, Takashi, Michiaki Sugita, Tsutomu Yamanaka, Maki Tsujimura et Reiichiro Ishii. « Water Dynamics Within the Soil–Vegetation–Atmosphere System in a Steppe Region Covered by Shrubs and Herbaceous Plants ». Dans The Mongolian Ecosystem Network, 43–63. Tokyo : Springer Japan, 2012. http://dx.doi.org/10.1007/978-4-431-54052-6_5.
Texte intégral« Transport processes in the soil-vegetation-lower atmosphere system ». Dans Fluid Mechanics of Environmental Interfaces, 345–66. CRC Press, 2012. http://dx.doi.org/10.1201/b13079-20.
Texte intégral« Transport processes in the soil-vegetation-lower atmosphere system ». Dans Fluid Mechanics of Environmental Interfaces, 215–36. Taylor & Francis, 2008. http://dx.doi.org/10.4324/9780203895351-16.
Texte intégralArtaxo, Paulo. « The Atmospheric Component of Biogeochemical Cycles in the Amazon Basin ». Dans The Biogeochemistry of the Amazon Basin. Oxford University Press, 2001. http://dx.doi.org/10.1093/oso/9780195114317.003.0006.
Texte intégralHoughton, R. A. « Effects of Land-Use Change, Surface Temperature, and CO2 Concentration on Terrestrial Stores of Carbon ». Dans Biotic Feedbacks in the Global Climatic System, 333–50. Oxford University PressNew York, NY, 1995. http://dx.doi.org/10.1093/oso/9780195086409.003.0024.
Texte intégralGraf, William L. « Plutonium in the Rio Grande System ». Dans Plutonium and the Rio Grande. Oxford University Press, 1995. http://dx.doi.org/10.1093/oso/9780195089332.003.0012.
Texte intégralPielke, Roger A., et Nolan J. Doesken. « Climate of the Shortgrass Steppe ». Dans Ecology of the Shortgrass Steppe. Oxford University Press, 2008. http://dx.doi.org/10.1093/oso/9780195135824.003.0006.
Texte intégralBararzadeh Ledari, Masoumeh, et Reza Bararzadeh Ledari. « Nature as a Teacher for Abiota Self-Organization in Terms of Entropy Analysis ». Dans Exergy - New Technologies and Applications [Working Title]. IntechOpen, 2023. http://dx.doi.org/10.5772/intechopen.109817.
Texte intégralZhao, Ying, Ji Qi, Qiuli Hu et Yi Wang. « The “Groundwater Benefit Zone”, Proposals, Contributions and New Scientific Issues ». Dans Soil Science - Emerging Technologies, Global Perspectives and Applications [Working Title]. IntechOpen, 2021. http://dx.doi.org/10.5772/intechopen.100299.
Texte intégralActes de conférences sur le sujet "Vegetation-Atmosphere System"
Miura, Munenori, Kenta Obata et Hiroki Yoshioka. « Vegetation isoline equations for atmosphere-canopy-soil system of layer with second order interaction term ». Dans SPIE Optical Engineering + Applications, sous la direction de Wei Gao, Thomas J. Jackson et Jinnian Wang. SPIE, 2010. http://dx.doi.org/10.1117/12.860432.
Texte intégralSASNAUSKIENĖ, Jurgita, Nomeda SABIENĖ, Vitas MAROZAS, Laima ČESONIENĖ et Kristina LINGYTĖ. « SOIL RESPIRATION IN STANDS OF DIFFERENT TREE SPECIES ». Dans RURAL DEVELOPMENT. Aleksandras Stulginskis University, 2018. http://dx.doi.org/10.15544/rd.2017.106.
Texte intégralDiwakar, Philip, et Jonathan Berkoe. « Safety and Reliability Studies Using Analysis Tools ». Dans ASME 2010 International Mechanical Engineering Congress and Exposition. ASMEDC, 2010. http://dx.doi.org/10.1115/imece2010-37338.
Texte intégralRen, Guangyao, Xiaoling Pan et Xinchun Liu. « Statistic self-similarity at the border of vegetation patchiness : system behavior of the interior dynamic which adapts the exterior environment ». Dans Third International Asia-Pacific Environmental Remote Sensing Remote Sensing of the Atmosphere, Ocean, Environment, and Space, sous la direction de Xiaoling Pan, Wei Gao, Michael H. Glantz et Yoshiaki Honda. SPIE, 2003. http://dx.doi.org/10.1117/12.466495.
Texte intégralRapports d'organisations sur le sujet "Vegetation-Atmosphere System"
Wilson, D., Daniel Breton, Lauren Waldrop, Danney Glaser, Ross Alter, Carl Hart, Wesley Barnes et al. Signal propagation modeling in complex, three-dimensional environments. Engineer Research and Development Center (U.S.), avril 2021. http://dx.doi.org/10.21079/11681/40321.
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