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Thematische Bibliographien / Balance estimation / Dissertationen

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Dissertationen zum Thema „Balance estimation“

Autor: Grafiati

Veröffentlicht am 25. Juni 2021

Zuletzt aktualisiert am 29. Juli 2025

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1

Chen, Liping. "Soil Characteristics Estimation and Its Application in Water Balance Dynamics." Thesis, University of North Texas, 2008. https://digital.library.unt.edu/ark:/67531/metadc9789/.

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This thesis is a contribution to the work of the Texas Environmental Observatory (TEO), which provides environmental information from the Greenbelt Corridor (GBC) of the Elm Fork of the Trinity River. The motivation of this research is to analyze the short-term water dynamic of soil in response to the substantial rainfall events that occurred in North Texas in 2007. Data collected during that year by a TEO soil and weather station located at the GBC includes precipitation, and soil moisture levels at various depths. In addition to these field measurements there is soil texture data obtained fr

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Chen, Liping Acevedo Miguel Felipe. "Soil characteristics estimation and its application in water balance dynamics." [Denton, Tex.] : University of North Texas, 2008. http://digital.library.unt.edu/permalink/meta-dc-9789.

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3

Rim, Chang-Soo. "Daily estimation of local evapotranspiration using energy and water balance approaches." Diss., The University of Arizona, 1995. http://hdl.handle.net/10150/191190.

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Meteorological and environmental (i.e. soil water content) data measured from semiarid watersheds (Lucky Hills and Kendall) during the summer rainy and winter periods were used to study the interrelationships between variables, and to evaluate the effects of variables on the daily estimation of actual evapotranspiration (AET). The relationship between AET and potential evapotranspiration (PET) as a function of an environmental factor was the major consideration of this research. The relationship between AET and PET as a function of soil water content as suggested by Thornthwaite-Mather, Morton

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Jaedicke, Christian. "Lake Evaporation Estimation by Isotope, Energy Balance and Bulk Aerodynamic Methods." Thesis, Uppsala universitet, Institutionen för geovetenskap, 1997. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-393212.

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Lake evaporation from a shallow lake in central Sweden has been estimated using three independent methods from measurements during summer 1995. The applied isotope method is a combination of the water and isotope mass balance. Its main feature is that inflows need not to be measured. Only knowledge of their isotopic content is sufficient. For calculations by the bulk aerodynamic method a computer program was applied, which takes into account the different conditions of stratification. The energy balance of the lake was determined by using the short and long wave radiation, heat storage and adv

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Eilers, V. H. M. "The estimation of groundwater recharge by soil water balance in semi-arid regions." Thesis, Cranfield University, 2002. http://dspace.lib.cranfield.ac.uk/handle/1826/4215.

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Quantification of groundwater recharge is a crucial prerequisite for sustainable groundwater resource management, particularly in semi-arid areas where there are large demands for groundwater supplies. This research presents an alternative approach for recharge estimation based on the soil water balance technique. The purpose is to develop a model which provides a suitable balance between physical credibility and data which realistically can be gathered. A spreadsheet model was written based on the conceptual representation of the principal physical processes which actually affect recharge in

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Runeskog, Henrik. "Continuous Balance Evaluation by Image Analysis of Live Video : Fall Prevention Through Pose Estimation." Thesis, KTH, Skolan för kemi, bioteknologi och hälsa (CBH), 2021. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-297541.

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The deep learning technique Human Pose Estimation (or Human Keypoint Detection) is a promising field in tracking a person and identifying its posture. As posture and balance are two closely related concepts, the use of human pose estimation could be applied to fall prevention. By deriving the location of a persons Center of Mass and thereafter its Center of Pressure, one can evaluate the balance of a person without the use of force plates or sensors and solely using cameras. In this study, a human pose estimation model together with a predefined human weight distribution model were used to ext

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Sun, Xianfeng. "A water balance approach to groundwater recharge estimation in Montagu area of the Western Klein Karoo." Thesis, University of the Western Cape, 2005. http://etd.uwc.ac.za/index.php?module=etd&action=viewtitle&id=init_4142_1178702615.

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This aim of this study was to improve the understanding and functioning of the Table Mountain Group aquifer system and contribute to the sustainable development of this potential source for water supply in the Montagu area.

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Farhadi, Leila. "Estimation of land surface water and energy balance flux components and closure relation using conditional sampling." Thesis, Massachusetts Institute of Technology, 2012. http://hdl.handle.net/1721.1/70757.

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Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Civil and Environmental Engineering, 2012.<br>Cataloged from PDF version of thesis.<br>Includes bibliographical references (p. 348-364).<br>Models of terrestrial water and energy balance include numerical treatment of heat and moisture diffusion in the soil-vegetation-atmosphere continuum. These two diffusion and exchange processes are linked only at a few critical points. The performance and sensitivity of models are highly dependent on the nature of these linkages that are expressed as the closure function between heat and mois

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McCoy, Kurt J. "Estimation of vertical infiltration into deep Pittsburgh coal mines of WV-PA a fluid mass balance approach /." Morgantown, W. Va. : [West Virginia University Libraries], 2002. https://etd.wvu.edu/etd/controller.jsp?moduleName=documentdata&jsp%5FetdId=2745.

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Thesis (M.S.)--West Virginia University, 2002.<br>Title from document title page. Document formatted into pages; contains x, 150 p. : ill. (some col.), maps (some col.). Includes abstract. Includes bibliographical references (p. 87-90).

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Sun, Jian. "Parameter estimation of coupled water and energy balance models based on stationarity constraints of soil moisture and temperature." Thesis, Boston University, 2012. https://hdl.handle.net/2144/31613.

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Thesis (Ph.D.)--Boston University<br>PLEASE NOTE: Boston University Libraries did not receive an Authorization To Manage form for this thesis or dissertation. It is therefore not openly accessible, though it may be available by request. If you are the author or principal advisor of this work and would like to request open access for it, please contact us at open-help@bu.edu. Thank you.<br>A new method is developed for estimating the parameters of land surface water and energy balance models through enforcement of stationary constraints on soil moisture and temperature. Through conditional aver

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Krämer, Stefan [Verfasser]. "Heat Balance Calorimetry and Multirate State Estimation Applied to Semi-Batch Emulsion Copolymerisation to Achieve Optimal Control / Stefan Krämer." Aachen : Shaker, 2005. http://d-nb.info/1186588918/34.

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Möller, Jason John. "The use of remote sensing for soil moisture estimation using downscaling and soil water balance modelling in Malmesbury and the Riebeek Valley." Thesis, University of the Western Cape, 2014. http://hdl.handle.net/11394/4105.

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>Magister Scientiae - MSc<br>Soil moisture forms an integral part of the hydrological cycle and exerts considerable influence on hydrological processes at or near the earth’s surface. Knowledge of soil moisture is important for planning and decision-making in the agricultural sector, land and water conservation and flood warning. Point measurements of soil moisture, although highly accurate, are time consuming, costly and do not provide an accurate indication of the soil moisture variation over time and space as soil moisture has a high degree of spatial and temporal variability. The spatial v

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Guerrero, José-Luis. "Robust Water Balance Modeling with Uncertain Discharge and Precipitation Data : Computational Geometry as a New Tool." Doctoral thesis, Uppsala universitet, Luft-, vatten och landskapslära, 2013. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-190686.

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Models are important tools for understanding the hydrological processes that govern water transport in the landscape and for prediction at times and places where no observations are available. The degree of trust placed on models, however, should not exceed the quality of the data they are fed with. The overall aim of this thesis was to tune the modeling process to account for the uncertainty in the data, by identifying robust parameter values using methods from computational geometry. The methods were developed and tested on data from the Choluteca River basin in Honduras. Quality control of

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Iwayama, Norihisa, Toru Shinzato, Shigeru Nakai, et al. "Quantitative estimation of dietary energy deficiency and effects of Its supplementation on protein nutritional status of nondiabetic uremic patients undergoing protein restricted dietary regimens." Nagoya University School of Medicine, 2001. http://hdl.handle.net/2237/5365.

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Nouri, Hamideh, Edward Glenn, Simon Beecham, et al. "Comparing Three Approaches of Evapotranspiration Estimation in Mixed Urban Vegetation: Field-Based, Remote Sensing-Based and Observational-Based Methods." MDPI AG, 2016. http://hdl.handle.net/10150/618720.

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Despite being the driest inhabited continent, Australia has one of the highest per capita water consumptions in the world. In addition, instead of having fit-for-purpose water supplies (using different qualities of water for different applications), highly treated drinking water is used for nearly all of Australia's urban water supply needs, including landscape irrigation. The water requirement of urban landscapes, particularly urban parklands, is of growing concern. The estimation of evapotranspiration (ET) and subsequently plant water requirements in urban vegetation needs to consider the he

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Vallée, Pascal. "Estimation du risque de chute suite à une perturbation d’équilibre." Thesis, Lyon 1, 2015. http://www.theses.fr/2015LYO10261/document.

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Les chutes sont la deuxième cause de décès accidentels par traumatisme involontaire dans le monde. Les conséquences physiques et psychologiques représentent aussi un frein important à la mobilité des personnes âgées. Prévenir ces chutes apparait donc comme un enjeu majeur. Une première étape nécessaire est d'identifier les situations présentant un risque de chute important. L'objectif de cette thèse est de proposer des outils permettant de faire le lien entre une perturbation et le risque de chute associé. Dans une première partie, un modèle simple permet d'estimer les états à partir desquels

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Dürr, Robert [Verfasser], Achim [Akademischer Betreuer] Kienle, and Dominique [Akademischer Betreuer] Thevenin. "Parameter estimation and method of moments for multi dimensional population balance equations with application to vaccine production processes / Robert Dürr ; Achim Kienle, Dominique Thévenin." Magdeburg : Universitätsbibliothek, 2016. http://d-nb.info/1123631476/34.

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Fersch, B. [Verfasser]. "Large scale water balance estimation from downscaled atmospheric moisture budgets and evaluation with global climatological data sets and the GRACE spaceborne gravimetry / B. Fersch." Karlsruhe : KIT-Bibliothek, 2012. http://d-nb.info/1199286753/34.

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Dworak, Jennifer Lynn. "Modeling defective part level due to static and dynamic defects based upon site observation and excitation balance." Diss., Texas A&M University, 2004. http://hdl.handle.net/1969.1/323.

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Manufacture testing of digital integrated circuits is essential for high quality. However, exhaustive testing is impractical, and only a small subset of all possible test patterns (or test pattern pairs) may be applied. Thus, it is crucial to choose a subset that detects a high percentage of the defective parts and produces a low defective part level. Historically, test pattern generation has often been seen as a deterministic endeavor. Test sets are generated to deterministically ensure that a large percentage of the targeted faults are detected. However, many real defects do not behave like

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Li, Huayu. "Process measurements and kinetics of unseeded batch cooling crystallization." Diss., Georgia Institute of Technology, 2015. http://hdl.handle.net/1853/53503.

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This thesis describes the development of an empirical model of focus beam reflectance measurements (FBRM) and the application of the model to monitoring batch cooling crystallization and extracting information on crystallization kinetics. Batch crystallization is widely used in the fine chemical and pharmaceutical industries to purify and separate solid products. The crystal size distribution (CSD) of the final product greatly influences the product characteristics, such as purity, stability, and bioavailability. It also has a great effect on downstream processing. To achieve a desired CSD of

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Fersch, Benjamin [Verfasser], and Harald [Akademischer Betreuer] Kunstmann. "Large scale water balance estimation from downscaled atmospheric moisture budgets and evaluation with global climatological data sets and the GRACE spaceborne gravimetry / Benjamin Fersch. Betreuer: Harald Kunstmann." Augsburg : Universität Augsburg, 2012. http://d-nb.info/1077700970/34.

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Chata, Florent. "Estimation par méthodes inverses des profils d’émission des machines à bois électroportatives." Thesis, Université de Lorraine, 2015. http://www.theses.fr/2015LORR0161/document.

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Cette thèse est dédiée à l'estimation de l'intensité d'une source de polluant de type particulaire par inversion de signaux de concentration mesurés avec un nombre fini de capteurs placés loin de la source. Cette méthode d'estimation inclut deux étapes distinctes. La première étape consiste à déterminer les paramètres du modèle d'inversion en utilisant une source d'aérosol connue et les mesures de concentration en particules correspondantes. Dans une seconde étape, une source d'aérosol inconnue est reconstruite à partir de l'inversion du modèle et des mesures de la concentration. Ce manuscrit

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Khedekar, Mayur. "Temperature Based Estimation of the Time-Resolved Massflux of ICE Exhaust Gas Flow." Thesis, KTH, Skolan för industriell teknik och management (ITM), 2021. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-300050.

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The aim ofthe study was to provideinformation and experience gained with fine wire thermocouples (TCs)or resistance wire thermometers (RWTs) temperature signals to estimate the timeresolved heat transfercoefficient. Constant current method was assumed in the study and medium used in this study was air. Here the heat balance equation has been described, different Nucorrelations and further discusses potential hurdles and difficulties one may encounter while calculating heat transfer coefficient. As asolution, the use of an appropriate heatbalance equation and lowpass filter was suggested as thi

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Magnevall, Martin. "Methods for Simulation and Characterization of Nonlinear Mechanical Structures." Licentiate thesis, Karlskrona : Blekinge Institute of Technology, 2008. http://urn.kb.se/resolve?urn=urn:nbn:se:bth-00430.

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Trial and error and the use of highly time-consuming methods are often necessary for modeling, simulating and characterizing nonlinear dynamical systems. However, for the rather common special case when a nonlinear system has linear relations between many of its degrees of freedom there are particularly interesting opportunities for more efficient approaches. The aim of this thesis is to develop and validate new efficient methods for the theoretical and experimental study of mechanical systems that include significant zero-memory or hysteretic nonlinearities related to only small parts of the

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Podsiadło, Iwona Katarzyna. "Methods for the analysis of time series of multispectral remote sensing images and application to climate change variable estimations." Doctoral thesis, Università degli studi di Trento, 2021. http://hdl.handle.net/11572/322351.

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In the last decades, the increasing number of new generation satellite images characterized by a better spectral, spatial and temporal resolution with respect to the past has provided unprecedented source of information for monitoring climate changes.To exploit this wealth of data, powerful and automatic methods to analyze remote sensing images need to be implemented. Accordingly, the objective of this thesis is to develop advanced methods for the analysis of multitemporal multispectral remote sensing images to support climate change applications. The thesis is divided into two main parts an

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Ameline, Maël. "Diagnostic hydrique et estimation de la production de la culture de maïs : vers la mise en place d'un service tout temps." Thesis, Toulouse 3, 2019. http://www.theses.fr/2019TOU30314.

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La thèse répond aux objectifs d'évaluer le potentiel d'estimation de la production de parcelles de maïs, ainsi que de leurs besoins hydriques. Les travaux, validés dans le Sud-Ouest de la France, reposent sur le couplage du modèle agro-météorologique à de l'imagerie satellitaire pour étendre le suivi à une échelle régionale. Le but est de s'affranchir des contraintes nuageuses imposées sur les acquisitions optiques, grâce à l'utilisation du radar Sentinel-1. L'estimation de la production comprend la biomasse sèche (épi, plante) ainsi que le rendement à l'échelle parcellaire. Au-delà des amélio

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BIANCO, SIMONE. "Color correction algorithms for digital cameras." Doctoral thesis, Università degli Studi di Milano-Bicocca, 2010. http://hdl.handle.net/10281/7819.

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The image recorded by a digital camera mainly depends on three factors: the physical content of the scene, the illumination incident on the scene, and the characteristics of the camera. This leads to a problem for many applications where the main interest is in the color rendition accuracy of the scene acquired. It is known that the color reproduction accuracy of a digital imaging acquisition device is a key factor to the overall perceived image quality, and that there are mainly two modules responsible for it: the former is the illuminant estimation and correction module, the latter is the co

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Janyene, Abderrahmane. "Validation de données des systèmes dynamiques linéaires." Nancy 1, 1987. http://www.theses.fr/1987NAN10190.

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Étude d'une méthode de validation de données dans les unités de production industrielle dont le fonctionnement est caractérisé par des systèmes dynamiques linéaires, ceci en présence de toutes les mesures de grandeurs, dans un 1**(ER) temps, et avec des mesures manquantes, ensuite

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Battude, Marjorie. "Estimation des rendements, des besoins et consommations en eau du maïs dans le sud-ouest de la France : apport de la télédétection à hautes résolutions spatiale et temporelle." Thesis, Toulouse 3, 2017. http://www.theses.fr/2017TOU30037/document.

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Le travail de cette thèse s'inscrit dans le cadre du projet MAISEO qui associe, entre autres partenaires, la CACG, gestionnaire de l'eau sur des bassins hydrographiques du Sud-Ouest, Météo-France et le CESBIO. Un des objectifs est de proposer des méthodes innovantes et opérationnelles pour l'estimation des besoins en eau des cultures à l'échelle d'un territoire. Il s'agit de fournir au gestionnaire des outils qui lui permettront de mieux gérer la demande en eau d'irrigation liée à la culture dominante présente dans le Sud-Ouest de la France: le maïs. L'objectif de la thèse consistait à estimer

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Saadi, Sameh. "Estimation spatialisée de l'évapotranspiration réelle et des volumes d'irrigation à l'aide de modèles de bilans hydrique et énergétique forcés par des données de la télédétection optique (VIS/PIR/IRT)." Thesis, Toulouse 3, 2018. http://www.theses.fr/2018TOU30008/document.

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La gestion efficace de l'eau dans les régions arides et semi-arides est un problème majeur, principalement dans les zones irriguées. La conception d'outils fournissant des estimations régionales des composantes du bilan hydrique peut aider à la gestion durable de la ressource en eau dans ces régions. La télédétection multi-capteurs a démontré un très fort potentiel pour le suivi des ressources hydriques agricoles à différentes échelles. Cette thèse vise à développer des techniques et des méthodes efficaces pour estimer les variables hydrologiques (évapotranspiration et les volumes d'irrigation

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Pinjuv, Guy L. "Hybrid forest modelling of Pinus Radiata D. Don in Canterbury, New Zealand." Thesis, University of Canterbury. New Zealand School of Forestry, 2006. http://hdl.handle.net/10092/1102.

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During this study two models were developed to predict growth of Pinus radiata D.Don plantations in Canterbury, New Zealand. The first, CanSPBL(1.2), is a model for whole rotations of stands owned by Selwyn Plantation Limited in Canterbury. The second model, CanSPBL(water) is a hybrid growth model for the Selwyn estate in Canterbury that incorporates an index of root zone water balance over the simulation period. An existing stand growth and yield model CanSPBL was examined using a validation dataset of PSP measurements that were not used in model fitting. Projection bias was shown for mean to

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Santos, Fabiano Barbosa dos. "Estimativa do balanço de energia utilizando imagens do sensor TM-Landsat 5 no baixo São Francisco." Universidade Federal de Alagoas, 2012. http://repositorio.ufal.br/handle/riufal/903.

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Remote sensing is a very effective way for obtaining earth surface information due to its wide area coverage and low cost. This paper aims to map and estimate the components of the Radiation Balance (Albedo, Normalized Difference Vegetation Index, Surface Temperature) and Energy Balance (Net Radiation, Soil Heat Flux, Sensible Heat Flux and Latent Heat Flux) through the sensor Thematic Mapper coupled to the Landsat-5, collected through the Instituto Nacional de Pesquisas Espaciais, combined with a digital elevation model with altitude information. The components were obtained from the Radiatio

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Fayolle, Jean. "Validation de données et diagnostic des procédés industriels." Nancy 1, 1987. http://www.theses.fr/1987NAN10171.

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Étude de la validation de données issues de procédés industriels en régime statique, décrits par un modèle strictement exact. Applications relatives à l'établissement de bilans matière statistiquement cohérents. Après une présentation générale du problème, le cas des systèmes linéaires est étudié. Différentes méthodes analytiques de validation peuvent être mises en œuvre. La structure des équations permet de développer des algorithmes récursifs originaux adaptés au traitement des grands systèmes. Pour les systèmes partiellement observés, une décomposition selon l'observabilité doit être condui

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Pelletier, François. "Mise au point d'observateurs d'état pour le suivi de cultures de cellules animales." Vandoeuvre-les-Nancy, INPL, 1995. http://www.theses.fr/1995INPL135N.

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L’objectif de ce travail est l'élaboration d'outils d'estimation d'état simples d'emploi pour l'évaluation de la composition des milieux de culture cellulaires. La première partie concerne le développement d'un nouvel estimateur appelé observateur à base de bilans de matière construit sur le principe de l'observateur asymptotique. Il peut être appliqué à n'importe quel type de culture. Il ne nécessite aucun réglage. La possibilité de prendre en compte certaines lois cinétiques connues permet de le faire fonctionner avec un nombre restreint de mesures. La seconde partie traite de la mise au poi

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Ferreira, Alexandre da Silva. "Aplicação do algoritmo SEBAL para estimativa da evapotranspiração na mesorregião do sul goiano." Universidade do Estado do Rio de Janeiro, 2011. http://www.bdtd.uerj.br/tde_busca/arquivo.php?codArquivo=4155.

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As preocupações com o uso da terra têm permeado inúmeros estudos científicos, no âmbito nacional e internacional, voltados para a avaliação dos impactos ambientais causados pelas atividades agropecuárias. Alguns processos do ciclo hidrológico, a exemplo da evapotranspiração apresentam modificações consideráveis, devido às constantes mudanças nos usos dos solos. Desta forma, o presente trabalho busca destacar o problema das rápidas e intensas mudanças no uso do solo oriundas da expansão da atividade agropecuária e seus impactos ao meio ambiente, especialmente sobre o processo da evapotranspiraç

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Silvertooth, Jeffrey C. "Estimating the Vegetative/Reproductive Balance in Cotton Growth." College of Agriculture, University of Arizona (Tucson, AZ), 2015. http://hdl.handle.net/10150/558538.

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ASSIS, Claudemir C. "Software para estimativa da eficiência energética na produção de suínos." Universidade José do Rosário Vellano, 2017. http://tede2.unifenas.br:8080/jspui/handle/jspui/190.

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Submitted by Samira Ramos (samira.ramos@unifenas.br) on 2018-04-24T23:42:26Z No. of bitstreams: 1 Claudemir de Assis.pdf: 820230 bytes, checksum: 257e4d71585a017c777a85051bd362c7 (MD5)<br>Made available in DSpace on 2018-04-24T23:42:26Z (GMT). No. of bitstreams: 1 Claudemir de Assis.pdf: 820230 bytes, checksum: 257e4d71585a017c777a85051bd362c7 (MD5) Previous issue date: 2017-11-30<br>Brazilian pig farming is an important farming activity, because besides it offering food of high nutritional value to the human population, it contributes for generation of employ and income in the country. Due

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Silva, Bruno Bonemberger da. "Estimativa da evapotranspiração real por meio de imagens do satélite landsat 8." Universidade Estadual do Oeste do Parana, 2014. http://tede.unioeste.br:8080/tede/handle/tede/221.

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Made available in DSpace on 2017-05-12T14:47:14Z (GMT). No. of bitstreams: 1 Bruno Bonemberger_ da Silva.pdf: 2742297 bytes, checksum: caffe80e4c328becd1f17a199c916184 (MD5) Previous issue date: 2014-12-10<br>The estimate evapotranspiration is a key factor in sustainable water management in irrigated agriculture, the actual crop water requirement established objectively, without generating waste of energy and water by excessive irrigation, and, on the other side, without compromising the agricultural production by its deficit. In this sense, the study aimed to estimate the daily actual evapo

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Mostafa, S. M. "Estimation of variance components in balanced random and mixed linear models." Thesis, University of Strathclyde, 1986. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.382394.

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Calve, Leandro. "Estimativa de perda potencial de soja no Paraná através de métodos agrometeorológicos para fins de seguro agrícola." [s.n.], 2011. http://repositorio.unicamp.br/jspui/handle/REPOSIP/256873.

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Orientador: Maria Angela Fagnani<br>Dissertação (mestrado) - Universidade Estadual de Campinas, Faculdade de Engenharia Agrícola<br>Made available in DSpace on 2018-08-18T02:13:32Z (GMT). No. of bitstreams: 1 Calve_Leandro_M.pdf: 2398986 bytes, checksum: a7283481da38e108eb31d882ea92f5ae (MD5) Previous issue date: 2011<br>Resumo: Uma das formas utilizadas em todo o mundo para minimizar os impactos financeiros ao produtor causados por eventos climáticos é o seguro rural. No Brasil, existe a necessidade de um maior investimento na análise dos riscos climáticos para a precificação do seguro agrí

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Oliveira, Zanandra Boff de. "Estimativa da evapotranspiração a partir de dados diários de previsão meteorológica." Universidade Federal de Santa Maria, 2015. http://repositorio.ufsm.br/handle/1/3631.

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Conselho Nacional de Desenvolvimento Científico e Tecnológico<br>The real time determination and future of evapotranspiration (ET) can contribute to more efficient management of irrigation. The objective of this study was: (i) to evaluate the accuracy of the estimate of the reference evapotranspiration (ETo) calculated on daily data of the weather forecast for seven future days (EToest), to different locations, growing seasons and periods with and without and rain; (Ii) evaluate the impact of using the EToest in the water balance of a soil cultivated with corn. The estimate ETo was perfo

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Romano, Arthur Miguel. "Estimativa da economia de água potável nos campi." Universidade Federal de Uberlândia, 2017. https://repositorio.ufu.br/handle/123456789/18657.

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Este trabalho busca estimar a eficiência da economia de água potável no Campus Santa Mônica, Universidade Federal de Uberlândia, utilizando reservatórios de água pluvial para a substituição de água tratada por água de chuva para fins não potáveis. Por meio de informações obtidas junto a Prefeitura Universitária foi possível estimar a demanda diária de água de abastecimento para os Blocos desse Campus, em especial para aqueles com predominância de salas de aulas. A fim de verificar a capacidade de obtenção de água de chuva nas áreas impermeáveis buscou-se no site Hidroweb da Agência Nacional de

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Balland, Laurent. "Contribution à l'estimation des paramètres cinétiques et énergétiques de systèmes chimiques en milieux homogène et hétérogène dans un réacteur calorimétrique." Rouen, 1997. http://www.theses.fr/1997ROUES054.

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Le présent travail propose une méthodologie pour estimer les paramètres cinétiques et thermiques de modèles de comportement énergétique de milieux réactionnels chimiques dans des conditions de synthèse aussi proches que possible des conditions industrielles. Des réactions chimiques, accompagnées de phénomènes physiques tels que la solubilisation ou le mélangeage de réactifs, sont réalisées dans un réacteur calorimétrique (RC1 de Mettler (R)) qui détermine la puissance expérimentale dégagée par le milieu. La méthode consiste à ajuster les paramètres du modèle reproduisant ce même dégagement de

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Moreira, LuÃs ClÃnio JÃrio. "Estimating irrigated watermelon evapotranspiration using sebal, soil-water balance and eddy correlations." Universidade Federal do CearÃ, 2009. http://www.teses.ufc.br/tde_busca/arquivo.php?codArquivo=5217.

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Conselho Nacional de Desenvolvimento CientÃfico e TecnolÃgico<br>In applications of the SEBAL (Surface Energy Balance Algorithm for Land) algorithm parameters for physical processes adjusted for other regions of the planet are commonly used. Therefore, there is a need for validation of the estimates made with the algorithm compared with other conventional methods of estimating evapotranspiration. Thus, this study main goal was to evaluate the satellite-based algorithm to estimate evapotranspiration of irrigated watermelon using as comparative methods: soil water balance and eddy correlation. T

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Meister, R. "Estimating Antarctic ice sheet mass balance from gravimetry and altimetry." Thesis, University College London (University of London), 2012. http://discovery.ucl.ac.uk/1364858/.

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Estimates of the Antarctic ice sheet mass balance from the past ten years show great discrepancy. Deriving mass values from gravity measurements is a ffected by corrections for postglacial rebound (PGR). Calculating Antarctic ice sheet mass balance from altimetry satellites requires knowledge of surface densities. Here, two instruments were used in conjunction to constrain ice sheet mass balance. Surface height trends from the Envisat radar altimeter and mass trends from GRACE were analysed for the period January 2003 until October 2010. An analysis of errors related to GRACE gravity measureme

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Degbey, Octavien. "Optimisation statique hiérarchisée des systèmes de grandes dimensions : Application à l'équilibrage de bilans de mesures." Nancy 1, 1987. http://www.theses.fr/1987NAN10158.

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Optimisation statique hiérarchisée des systèmes industriels ; traitement hiérarchisé de l'équilibrage des bilans de mesure pour des systèmes statiques décrits par des équations de modèles multilinéaires homogènes à paramètres inconnus

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Vallet, Anais. "Etude de la balance Excitatiοn/Ιnhibitiοn de régiοns cérébrales impliquées dans une tâche de cοntrôle inhibiteur : mοdélisatiοn de dοnnées οbtenues en Ιmagerie par Résοnance Μagnétique fοnctiοnnelle et inversiοn". Electronic Thesis or Diss., Normandie, 2024. http://www.theses.fr/2024NORMC014.

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En psychologie, le contrôle inhibiteur est un mécanisme cognitif qui permet de stopper une ré-ponse motrice, émotionnelle ou cognitive non adaptée pour la réalisation d’un but désiré. Au niveaucérébral, le contrôle inhibiteur est associé au fonctionnement en réseau de régions cérébrales, quipeut être mesuré à partir du signal BOLD en IRMf. Des régions de contrôle préfrontales abaissentl’activité BOLD de régions cibles. L’IRMf permet de mesurer de manière indirecte l’activité desneurones. Comment peut-on alors inférer à partir de données d’IRMf des propriétés excitatriceset inhibitrices (E/I) n

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Karam, Hanan Nadim. "Estimating evapotranspiration from the Amazon Basin using the atmospheric water balance." Thesis, Massachusetts Institute of Technology, 2006. http://hdl.handle.net/1721.1/35086.

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Thesis (S.M.)--Massachusetts Institute of Technology, Dept. of Civil and Environmental Engineering, 2006.<br>Includes bibliographical references (p. 98-101).<br>The spatio-temporal patterns of evapotranspiration (ET) in the Amazon basin are still poorly understood. Field studies in the Amazonian forest have shown that at some sites, deep roots allow trees to sustain elevated transpiration during several months of minimal rainfall, whereas at others, trees experience evident dry season water limitation. However, the few sites investigated are inadequate to characterize the conditions of transpi

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Fischer, Sandra. "Exploring a Water Balance Method on Recharge Estimations in the Kilombero Valley, Tanzania." Thesis, Stockholms universitet, Institutionen för naturgeografi och kvartärgeologi (INK), 2013. http://urn.kb.se/resolve?urn=urn:nbn:se:su:diva-92345.

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Simple models that require little input data and are easy to use is the ideal case within hydrology. Basic water balance principles often represent such approaches as the method on rainfall-runoff relationship developed by Sutcliffe et al. in India in 1981. That was tested for the Kilombero Valley in Tanzania in order to estimate the recharge to the soil and sub-surface systems. Measured annual runoff in the streams was compared to the seasonal net rainfall to give the difference as potential recharge. This was done for five separate sub-catchment where the hillslope catchments gave a smaller

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Jacomazzi, Marco Antonio. "Programa para estimativa do rendimento das culturas pela simulação da irrigação por balanço hídrico sequencial." Universidade de São Paulo, 2004. http://www.teses.usp.br/teses/disponiveis/11/11143/tde-05012005-162947/.

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A utilização de recursos computacionais para o planejamento do uso racional da água em sistemas irrigados é cada vez mais freqüente na agricultura moderna tecnificada. Devido a constante melhoria desses recursos, torna-se, essencial a atualização dos programas desenvolvidos, específicos na área de irrigação e drenagem, incorporando as recentes tecnologias desenvolvidas neste setor. O objetivo deste trabalho foi elaborar uma ferramenta computacional de acesso simplificado, que proporcionasse ao usuário, a liberdade quanto aos critérios empregados nas áreas irrigadas. O programa desenvolvido

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