Bibliografías temáticas / Charts, maps

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Literatura académica sobre el tema "Charts, maps"

Autor: Grafiati
Publicado: 4 de junio de 2021
Última modificación: 28 de julio de 2024

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Artículos de revistas sobre el tema "Charts, maps"

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Van Duzer, Chet. "The Cartographer Sets Sail: Eyewitness Records and Early Modern Maps". Culture & History Digital Journal 10, n.º 2 (20 de octubre de 2021): e016. http://dx.doi.org/10.3989/chdj.2021.016.

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In this article I examine early nautical charts and isolarii, or island books illustrated with maps, for evidence that indicates the maps were made on the basis of first-hand observation by the cartographer. There are very few claims on early nautical charts that the charts were created based on the cartographers’ own observations. I suggest that these claims are rare because chart-making was more an artistic enterprise than as a medium for recording discoveries. This conception of nautical charts changed with the advent of the Age of Discoveries, and claims that charts were made based on eyewitness information become more common. The case with isolarii is very different, although the maps in isolarii derive from the nautical chart tradition. Some of the creators of isolarii claim that their works were based on first-hand experience, but not always truthfully. Other authors neither sailed among the islands they describe nor claim to have visited them.
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Grocott, D. F. H. "Maps in Mind – How Animals Get Home?" Journal of Navigation 56, n.º 1 (enero de 2003): 1–14. http://dx.doi.org/10.1017/s0373463302002126.

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The ability of animals to find their way, without the benefit of mechanical or electronic aids to navigation, has fascinated humans for centuries. Relying on innate knowledge, coupled with the extraction of navigational data from the natural features of the universe, animals continually confound humans with their skills in locomotion. The magnetic compass, sun compass, strip maps, snapshots, target maps, temperature charts and star charts are known to feature in the overall animal navigation kit. Each species selects the most appropriate ‘map/chart’ and navigation kit for its environment.
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Ovodas, Donatas y Algimantas Česnulevičius. "Semiotic evaluation of Lithuania military air navigation charts". Geodesy and Cartography 63, n.º 1 (1 de junio de 2014): 89–100. http://dx.doi.org/10.2478/geocart-2014-0007.

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Abstract Research of semiotic aspects Lithuanian military air navigation charts was based on the semantic, graphic and information load analysis. The aim of semantic analysis was to determine how the conventional cartographical symbols, used in air navigation charts, correspond with carto-linguistic and carto-semiotic requirements. The analysis of all the markings was performed complex and collected by questionnaire were interviewed various respondents: pilots, cartographers and other chart users. The researches seek two aims: evaluate information and graphical load of military air navigation charts. Information load evaluated to calculate all objects and phenomenon, which was in 25 cm² of map. Charts analysis showed that in low flight charts (LFC) average information load are 4 - 5 times richer than in the operational maps. Map signs optimization on LFC has to be managed very carefully, choosing signs that can reduce the load of information and helps for the information transfer process. Graphical load of maps evaluated of aeronautical maps is not great (5 - 12%) and does not require reduction the information load and generalization of charts. Air navigation charts analysis pointed that not all air navigation sings correspond carto-semiotic requirements and must be improved. The authors suggested some new sings for military air navigation chart, which are simpler, equivalent to human psychophysical perception criteria, creates faster communication and less load on the chart.
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Mielke, Jeff. "Visualizing phonetic segment frequencies with density-equalizing maps". Journal of the International Phonetic Association 48, n.º 2 (14 de marzo de 2017): 129–54. http://dx.doi.org/10.1017/s0025100317000123.

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A method is demonstrated for creating density-equalizing maps of IPA consonant and vowel charts, where the size of a cell in the chart reflects information such as the crosslinguistic frequency of the consonant or vowel. Transforming the IPA charts in such a way allows the visualization of interactions between phonetic features. Density-equalizing maps are used to illustrate a range of facts about consonant and vowel inventories, including the frequency of consonants and vowels and the frequency of common diacritics, and to illustrate the frequency of deletion and epenthesis involving particular consonants and vowels. Solutions are proposed for issues involving genealogical sampling, counting pairs of very similar phones, and counting diacritics in relation to basic symbols.
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5

Steele, Philip. "History of Air Maps and Charts". Journal of Navigation 51, n.º 2 (mayo de 1998): 203–15. http://dx.doi.org/10.1017/s0373463398007838.

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There is no generally accepted definition of the difference between a map and a chart. A widespread feeling probably exists favouring the old saying that maps are to look at and charts to work on. It is true that the term ‘aeronautical chart’ gained a general currency over alternative terms as contact flying gave way to aerial navigation. But, in this paper, the terms ‘map’ and ‘chart’ will be used as seems appropriate to each occasion, without attempt to conform to any particular definition.We can get an idea of what was available to the earliest aviators by looking at an Ordnance Survey reprint of one of their nineteenth century maps (Fig. 1). They are printed in one colour only, black on white. By far the predominant feature is the hill shading. Quite gentle hills are hachured with a heaviness which tends to obscure both natural features like rivers, lakes and woodlands and man-made constructions such as towns and villages, roads, canals and railways. Hills are, of course, very important features to those on the ground, since they limit the extent to which other features can be seen. To the soldier, the significance of high ground is self-evident, and it was principally for the ordnance requirements of soldiers that these maps had been developed. But when men began to view the ground from the air, the perspective changed. Hills appeared flattened out and, provided that you knew the height of the tallest in the area and were sure none would impede your take-off or landing, were of minor significance. Lakes and woods, though, were spread out before you in their distinctive shapes, while railway lines and canals presented bold straight lines and curves, and rivers their unique courses, to your view. The need was for new kinds of maps which would give due prominence to such features.
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6

Alves Gaspar, Joaquim y Henrique Leitão. "Early Modern Nautical Charts and Maps: Working Through Different Cartographic Paradigms". Journal of Early Modern History 23, n.º 1 (7 de marzo de 2019): 1–28. http://dx.doi.org/10.1163/15700658-12342627.

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Abstract Of all the technical and scientific developments that made possible the European maritime expansion, the nautical chart is perhaps the least studied and understood. This fact is very surprising as it was with the information contained in those charts, and later imported to geographical maps and atlases, that the newly discovered lands were first shown to the European nations. There was, however, a deep incompatibility between these two cartographic paradigms—the nautical charts and the geographical maps—which remained unsolved throughout the sixteenth century and beyond, despite the attempts to harmonize the technical principles of Ptolemy’s Geography with the advances of nautical cartography. An eloquent symptom of such incompatibility was the difference between what was understood as an accurate depiction of the Earth, in the eyes of cosmographers and geographers, and what was considered by the pilots as an accurate nautical chart. The misunderstandings around these issues during the early modern period and the unsuccessful attempts at reconciliation were, in great part, the cause for some polemics among cosmographers, cartographers and pilots, such as the conflict in the Casa de Contratación around the charts of Diego Gutiérrez, a fact not entirely understood by historians. At the core of the difficulty lies the circumstance that only in the present day has the true nature of the nautical chart, as a navigational tool, started to be clarified. How the differences between geographical maps and nautical charts contributed to shape the History of Cartography in various periods, and how they are related to conflicting scholarly objectives and practices, is the subject of this essay. We will show, using the results of cartometric analysis, that not only were those artifacts constructed using different principles and with different purposes, but that they belonged to incompatible cartographic paradigms, and we will argue for the relevance of this fact for the history of science.
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7

Sarbach, Adrian, Thierry Weber, Katharina Henggeler, Luis Lutnyk y Martin Raubal. "Evaluating and Comparing Airspace Structure Visualisation and Perception on Digital Aeronautical Charts". AGILE: GIScience Series 4 (6 de junio de 2023): 1–13. http://dx.doi.org/10.5194/agile-giss-4-12-2023.

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Abstract. Given the challenge of visualising 3D space on a 2D map, maps used for in-flight navigation by pilots should be designed especially carefully. This paper studies, based on existing aeronautical charts, the visualisation, interaction, and interpretation of airspace structures with aviation infrastructure and the base map.We first developed a three-tiered evaluation grid for a cartographic analysis of existing aeronautical charts. Subsequently, we evaluated four countries’ maps based on our evaluation grid. To validate our analysis, we conducted a user study with 27 pilots, the users of aeronautical charts.The results of our cartographic analysis show that aeronautical charts produced by different countries all fulfil the need of pilots being able to orient themselves. According to our evaluation, the Swiss aeronautical chart scored slightly more favourably than the other evaluated charts for effective map-reading. These findings were confirmed in the results of the user study.The major contribution of this work is the evaluation grid for the cartographic analysis. With its different layers, adaptable main- and sub-topics, it can be used to compare and improve the design not only of aeronautical charts, but for a broad spectrum of thematic maps.
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Altić, Mirela. "The Sea Chart: The Illustrated History of Nautical Maps and Navigational Charts". Cartographic Journal 54, n.º 2 (3 de abril de 2017): 185–86. http://dx.doi.org/10.1080/00087041.2017.1307038.

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Dror, Shuki y Miryam Barad. "Enhancing Control Charts to Validate Strategy Maps". Quality Technology & Quantitative Management 3, n.º 4 (enero de 2006): 529–41. http://dx.doi.org/10.1080/16843703.2006.11673130.

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10

Leary, Neill. "Maps and Charts for Visual Air Navigation". Journal of Navigation 46, n.º 1 (enero de 1993): 1–9. http://dx.doi.org/10.1017/s0373463300011267.

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Back in 1914, an army surveyor who was carrying out an airborne reconnaissance of potential sites for a new military aerodrome to the west of London is alleged to have held his map upside down – and that, consequently, RAF Northolt was built to the south of what was then called the Great Central Railway Line instead of about a mile to the north-east near where South Ruislip is now. A short apocryphal story perhaps, undoubtedly distorted by the mists of history, but it serves to illustrate the need for aeronautical charts that are designed with the requirements of visual air navigation firmly in mind.
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Tesis sobre el tema "Charts, maps"

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Mumford, Ian. "Milestones in lithographed cartography from 1800". Thesis, University of Reading, 1999. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.299738.

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Magalhães, Adriana Dias. "Análise proteômica de Trypanosoma cruzi : construção de mapas bidimensionais em pH alcalino". reponame:Repositório Institucional da UnB, 2006. http://repositorio.unb.br/handle/10482/5253.

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Dissertação (mestrado)—Universidade de Brasília, Faculdade de Medicina, 2006.
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O Trypanosoma cruzi é o parasita causador da doença de Chagas, a qual atinge 16-18 milhões de pessoas. Recentemente, o seqüenciamento do genoma do T. cruzi foi concluído, o que deu novo impulso aos projetos pós-genômicos visando a elucidação da expressão diferencial de proteínas ao longo do ciclo de vida do parasita. A proteômica é bastante apropriada para este fim, já que a regulação da expressão de proteínas em T. cruzi ocorre em nível póstranscricional. Objetivando-se o estudo das proteínas básicas do proteoma de T. cruzi, condições para eletroforese bidimensional (2-DE) em pH alcalino das formas epimastigotas, tripomastigotas e amastigotas foram estabelecidas. Tornou-se necessário otimizar as condições experimentais para tais géis, já que nessa faixa de pH é normal o aparecimento de longas listras horizontais (streaking), baixa resolução de spots e baixa reprodutibilidade. O protocolo final, desenvolvido para formas epimastigotas, consistiu na adição de 10% de isopropanol ao tampão de reidratação do gel de gradiente imobilizado de pH, aplicação da amostra em uma fita de papel de filtro conectada ao anôdo, uso de fita embebida com solução de DTT junto ao catôdo e focalização isoelétrica utilizando-se o equipamento Multiphor II (GE Healthcare). Um total de 10 spots do gel de epimastigotas foram identificados por impressão digital do mapa peptídico (peptide mass fingerprint). As proteínas identificadas foram: fosfoglicerato quinase, prostaglandina F2a sintase, peptídeo metionina sulfóxido redutase, metiltioadenosina fosforilase, proteína dissulfeto isomerase, AKB ligase e quatro proteínas hipotéticas (hipotéticas). As condições padronizadas para a 2-DE foram aplicadas na construção de mapas bidimensionais das formas tripomastigotas e amastigotas. Os mapas resultantes permitiram verificar diferenças de expressão entre os proteomas. Por último, foi testada a metodologia do gel “dois em um” para 2-DE em faixa ampla de pH, que mostrou resultados promissores para futuras análises da expressão comparativa de proteínas em T.cruzi.
Trypanosoma cruzi is the parasite that causes Chagas disease, a chronic illness that affects 16-18 million people. Recently, the sequencing of T. cruzi genome was concluded. This accomplishment stimulated post-genomic projects aiming at elucidating the differential protein expression through the parasite life cycle. Proteomics is the most suitable methodology for this since T. cruzi protein expression regulation occurs at post-transcriptional level. In order to study the basic proteins from T. cruzi proteome, conditions for two-dimensional gel electrophoresis (2-DE) of epimastigote, trypomastigote and amastigote life forms were developed. It was necessary to optimize the 2-DE experimental conditions since in the alkaline pH range the gels usually presents spot streaking, low resolution and poor reproducibility. The final protocol, developed for epimastigotas, consisted of the addition of 10% isopropanol to the IPG gel strip rehydration buffer, sample loading using the “paper bridge” method, use of paper strip embedded in DTT solution near the cathode and isoelectric focusing using the Multiphor II apparatus (GE Healthcare). A total of 10 spots from the epimastigote gel were identified by peptide mass fingerprinting. The identified proteins were phosphoglycerate kinase, prostaglandin F2a synthase, methionine peptide sulfoxide reductase, methylthioadenosin phosphorylase, protein disulfide isomerase, AKB ligase and four hypothetical proteins. The optimized 2-DE conditions were applied to the construction of trypomastigotes and amastigotas two dimensional maps. The resulting maps permitted the visualization of differences in protein expression among the proteomes. Finally, the “two-in-one” 2-DE methodology for wide range pHs was tested and gave promising results that may be used in future studies on T. cruzi comparative protein expression.
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3

Latta, Martin. "Vektorové letecké mapy s "high a low trajektoriemi"". Master's thesis, Vysoké učení technické v Brně. Fakulta informačních technologií, 2016. http://www.nusl.cz/ntk/nusl-255378.

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Tato diplomová práce se zabývá dynamickým vykreslováním vektorových leteckých map, především letových trajektorií a navigačních bodů do mapy. Mapy jsou integrovány do mobilních aplikací, které piloti používají během letu a které nahrazují původní papírové mapy. Práce obsahuje teoretický úvod do problematiky a základní pojmy používané v letectví a navigaci. Další částí práce je průzkum, popis a zhodnocení existujících řešení a aplikací společně s návrhem a designem nového řešení. Nakonec je prezentována implementace demo aplikace pomocí WebGL knihovny a výsledné vyhodnocení a porovnání.
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4

Yamamoto, Kaoru. "Disturbance Attenuation in Mass Chains with Passive Interconnection". Thesis, University of Cambridge, 2016. https://www.repository.cam.ac.uk/handle/1810/279020.

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This thesis is concerned with disturbance amplification in interconnected systems which may consist of a large number of elements. The main focus is on passive control of a chain of interconnected masses where a single point is subject to an external disturbance. The problem arises in the design of multi-storey buildings subjected to earthquake disturbances, but applies in other situations such as bidirectional control of vehicle platoons. It is shown that the scalar transfer functions from the disturbance to a given intermass displacement can be represented as a complex iterative map. This description is used to establish uniform boundedness of the H∞-norm of these transfer functions for certain choices of interconnection impedance. A graphical method for selecting an impedance such that the H∞-norm is no greater than a prescribed value for an arbitrary length of the mass chain is given. A design methodology for a fixed length of the mass chain is also provided. A case study for a 10-storey building model demonstrates the validity of this method.
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5

Koonce, Richard S. "THE SYMBOLIC RAPE OF REPRESENTATION: A RHETORICAL ANALYSIS OF BLACK MUSICAL EXPRESSION ON BILLBOARD'S HOT 100 CHARTS". Bowling Green State University / OhioLINK, 2006. http://rave.ohiolink.edu/etdc/view?acc_num=bgsu1162098669.

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Lionni, Luca. "Colored discrete spaces : Higher dimensional combinatorial maps and quantum gravity". Thesis, Université Paris-Saclay (ComUE), 2017. http://www.theses.fr/2017SACLS270/document.

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On considère, en deux dimensions, une version euclidienne discrète de l’action d’Einstein-Hilbert, qui décrit la gravité en l’absence de matière. À l’intégration sur les géométries se substitue une sommation sur des surfaces triangulées aléatoires. Dans la limite physique de faible gravité, seules les triangulations planaires survivent. Leur limite en distribution, la carte brownienne, est une surface fractale continue dont l’importance dans le contexte de la gravité quantique en deux dimensions a été récemment précisée. Cet espace est interprété comme un espace-temps quantique, obtenu comme limite à grande échelle d’un ensemble statistique de surfaces discrètes aléatoires. En deux dimensions, on peut donc étudier les propriétés fractales de la gravité quantique via une approche discrète. Il est bien connu que les généralisations directes en dimensions supérieures échouent à produire des espace-temps quantiques aux propriétés adéquates : en dimension D>2, la limite en distribution des triangulations qui survivent dans la limite de faible gravité est l’arbre continu aléatoire, ou polymères branchés en physique. Si en deux dimensions on parvient aux mêmes conclusions en considérant non pas des triangulations, mais des surfaces discrètes aléatoires obtenues par recollements de 2p-gones, nous savons depuis peu que ce n’est pas toujours le cas en dimension D>2. L’apparition de nouvelles limites continues dans le cadre de théories de gravité impliquant des espaces discrets aléatoires reste une question ouverte. Nous étudions des espaces obtenus par recollements de blocs élémentaires, comme des polytopes à facettes triangulaires. Dans la limite de faible gravité, seuls les espaces qui maximisent la courbure moyenne survivent. Les identifier est cependant une tâche ardue dans le cas général, pour lequel les résultats sont obtenus numériquement. Afin d’obtenir des résultats analytiques, une coloration des (D-1)-cellules, les facettes, a été introduite. En toute dimension paire, on peut trouver des familles d’espaces discrets colorés de courbure moyenne maximale dans la classe d’universalité des arbres – convergeant vers l’arbre continu aléatoire, des cartes planaires – convergeant vers la carte brownienne, ou encore dans la classe de prolifération des bébé-univers. Cependant, ces résultats sont obtenus en raison de la simplicité de blocs élémentaires dont la structure uni ou bidimensionnelle ne rend pas compte de la riche diversité des blocs colorés en dimensions supérieures. Le premier objectif de cette thèse est donc d’établir des outils combinatoires qui permettraient une étude systématique des blocs élémentaires colorés et des espaces discrets qu’ils génèrent. Le principal résultat de ce travail est l’établissement d’une bijection entre ces espaces et des familles de cartes combinatoires, qui préserve l’information sur la courbure locale. Elle permet l’utilisation de résultats sur les surfaces discrètes et ouvre la voie à une étude systématique des espaces discrets en dimensions supérieures à deux. Cette bijection est appliquée à la caractérisation d’un certain nombre de blocs de petites tailles ainsi qu’à une nouvelle famille infinie. Le lien avec les modèles de tenseurs aléatoires est détaillé. Une attention particulière est donnée à la détermination du nombre maximal de (D-2)-cellules et de l’action appropriée du modèle de tenseurs correspondant. Nous montrons comment utiliser la bijection susmentionnée pour identifier les contributions à un tout ordre du développement en 1/N des fonctions à 2n points du modèle SYK coloré, et appliquons ceci à l’énumération des cartes unicellulaires généralisées – les espaces discrets obtenus par recollement d’un unique bloc élémentaire – selon leur courbure moyenne. Pour tout choix de blocs colorés, nous montrons comment réécrire la théorie d’Einstein-Hilbert discrète correspondante comme un modèle de matrices aléatoires avec traces partielles, dit représentation en champs intermédiaires
In two dimensions, the Euclidean Einstein-Hilbert action, which describes gravity in the absence of matter, can be discretized over random triangulations. In the physical limit of small Newton's constant, only planar triangulations survive. The limit in distribution of planar triangulations - the Brownian map - is a continuum fractal space which importance in the context of two-dimensional quantum gravity has been made more precise over the last years. It is interpreted as a quantum continuum space-time, obtained in the thermodynamical limit from a statistical ensemble of random discrete surfaces. The fractal properties of two-dimensional quantum gravity can therefore be studied from a discrete approach. It is well known that direct higher dimensional generalizations fail to produce appropriate quantum space-times in the continuum limit: the limit in distribution of dimension D>2 triangulations which survive in the limit of small Newton's constant is the continuous random tree, also called branched polymers in physics. However, while in two dimensions, discretizing the Einstein-Hilbert action over random 2p-angulations - discrete surfaces obtained by gluing 2p-gons together - leads to the same conclusions as for triangulations, this is not always the case in higher dimensions, as was discovered recently. Whether new continuum limit arise by considering discrete Einstein-Hilbert theories of more general random discrete spaces in dimension D remains an open question.We study discrete spaces obtained by gluing together elementary building blocks, such as polytopes with triangular facets. Such spaces generalize 2p-angulations in higher dimensions. In the physical limit of small Newton's constant, only discrete spaces which maximize the mean curvature survive. However, identifying them is a task far too difficult in the general case, for which quantities are estimated throughout numerical computations. In order to obtain analytical results, a coloring of (D-1)-cells has been introduced. In any even dimension, we can find families of colored discrete spaces of maximal mean curvature in the universality classes of trees - converging towards the continuous random tree, of planar maps - converging towards the Brownian map, or of proliferating baby universes. However, it is the simple structure of the corresponding building blocks which makes it possible to obtain these results: it is similar to that of one or two dimensional objects and does not render the rich diversity of colored building blocks in dimensions three and higher.This work therefore aims at providing combinatorial tools which would enable a systematic study of the building blocks and of the colored discrete spaces they generate. The main result of this thesis is the derivation of a bijection between colored discrete spaces and colored combinatorial maps, which preserves the information on the local curvature. It makes it possible to use results from combinatorial maps and paves the way to a systematical study of higher dimensional colored discrete spaces. As an application, a number of blocks of small sizes are analyzed, as well as a new infinite family of building blocks. The relation to random tensor models is detailed. Emphasis is given to finding the lowest bound on the number of (D-2)-cells, which is equivalent to determining the correct scaling for the corresponding tensor model. We explain how the bijection can be used to identify the graphs contributing at any given order of the 1/N expansion of the 2n-point functions of the colored SYK model, and apply this to the enumeration of generalized unicellular maps - discrete spaces obtained from a single building block - according to their mean curvature. For any choice of colored building blocks, we show how to rewrite the corresponding discrete Einstein-Hilbert theory as a random matrix model with partial traces, the so-called intermediate field representation
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Bartoloni, Bruno Figueiredo. "Mapas simpléticos com correntes reversas em tokamaks". Universidade de São Paulo, 2016. http://www.teses.usp.br/teses/disponiveis/43/43134/tde-22112016-211638/.

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Desenvolvemos um modelo na forma de um mapeamento bidimensional simplético (conservativo) para estudar a evolução das linhas de campo magnético de um plasma confinado no interior de um tokamak. Na primeira parte, consideramos dois perfis estudados na literatura para a densidade de corrente no plasma: um monotônico e um não-monotônico, que dão origem a diferentes perfis analíticos do fator de segurança. Nas simulações, consideramos inicialmente o sistema no equilíbrio, onde observamos, nas seções de Poincaré, apenas linhas invariantes. Em seguida, adicionamos uma perturbação (corrente externa), onde observamos cadeias de ilhas e caos no sistema. Na segunda parte consideramos um perfil também não-monotônico, mas com uma região na qual a densidade de corrente no plasma torna-se negativa, estudo ainda em aberto na literatura, que causa uma divergência no perfil do fator de segurança. Mesmo considerando o sistema apenas no equilíbrio, surgiram cadeias de ilhas muito pequenas em torno de curvas sem shear e caos localizado no sistema, característica não verificada para os outros perfis estudados no equilíbrio. Variando parâmetros relacionados à expressão da densidade de corrente, conseguimos controlar o aparecimento de regiões com cadeias de ilhas em torno de curvas sem shear e regiões caóticas. Para comprovar os resultados, aplicamos o perfil considerado a um outro mapa simplético da literatura (tokamap). Na parte final, consideramos a configuração do perfil do fator de segurança na forma de um divertor. Nessa configuração também temos uma divergência na expressão do perfil do fator de segurança. Observamos características similares (cadeias de ilhas em torno de curvas sem shear e caos) quando consideramos o perfil não-monotônico com densidade de corrente reversa.
We develop a symplectic (conservative) bidimensional map to study the evolution of magnetic field lines of a confined plasma in a tokamak. First, we considered two profiles for the plasma current density, studied in the literature: monotonic and non-monotonic, which give rise to different profiles for the poloidal magnetic field and different analytical profiles for the safety factor. In our simulations, we consider the system initially at equilibrium, where we observe, in Poincaré sections, only invariant lines. Then, we add a perturbation (external current), where we observe island chains and chaos in the system. In the second part, we consider a non-monotonic profile, but with a region which the current density becomes negative, which causes a divergence in the safety factor profile. Even considering only the sistem at equilibrium, very small island chains appeared around the shearless curves, and localized chaos. This feature was not observed for the other profiles at equilibrium. We can control the appearance of the regions with island chaind around the shearless curves and chaotic regions, by variation of parameters related to the density current expression. To comprove our results, we aplly the same profile to the other symplectic map. Finally, we consider a safety factor profile in a divertor configuration. We also have a divergence on in the safety factor profile. We observe similar features (island chains around shearless curves and localized chaos) when we consider a non-monotonic safety factor profile with a reversed density current.
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Houseman, Jonathan. "Branched chains in poly(methyl methacrylate) polymerisations incorporating a polymeric chain transfer agent". Thesis, Loughborough University, 2000. https://dspace.lboro.ac.uk/2134/34854.

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Branching in poly(methyl methacrylate) (PMMA) is produced by incorporating a pre-prepared polymeric chain transfer agent (PCTA) into a single stage radical polymerisation. Samples of PCTA having a range of transfer functionalities and molar masses were synthesised by modifying a methacrylate-based copolymer. Control of branching in PMMA has been studied as a function of transfer functionality and molar mass in the PCT A and a function of MMA and initiator concentrations in the MMA polymerisation. The branched samples of PMMA have been characterised by size exclusion chromatography (SEC) with multi-detectors to determine Mark–Houwink and other parameters to assess levels of branching. Some PCTA samples have been prepared with a UV chromophore to facilitate characterisation by SEC-UV.
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Masini, Simone. "Sviluppo di una piattaforma di crowdsensing per l'analisi di dati". Bachelor's thesis, Alma Mater Studiorum - Università di Bologna, 2015. http://amslaurea.unibo.it/8375/.

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Piattaforma di raccolta e analisi dei dati ambientali, raccolti da vari dispositivi. Server in node.js per ricevere e salvare i dati, client android per catturare i dati, client web per analizzare i dati attraverso una mappa e dei grafici.
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Lombard, Camille. "Cloning, Expression and Purification of the Different Human Haptoglobin Chains and Initial Characterization by Mass Spectrometry". University of Toledo / OhioLINK, 2013. http://rave.ohiolink.edu/etdc/view?acc_num=toledo1365202687.

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Libros sobre el tema "Charts, maps"

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Ellis, Julie. Maps and charts. Auckland, N.Z: Red Rocket Books, 2006.

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Publishers, Thomas Nelson, ed. Bible maps and charts. Nashville, Tenn: T. Nelson Publishers, 1999.

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Publishers, Thomas Nelson, ed. Bible maps and charts. Nashville: T. Nelson Publishers, 1994.

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Cooke, Tim. Maps and navigation. Editado por Cooke Tim. New York: Gareth Steven Pub., 2010.

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Inc, Scholastic, ed. Understanding maps, charts, and graphs. New York: Scholastic, Inc., 1995.

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Khan, Jamil Ahmed. Analysis of weather maps. Karachi: Bureau of Composition, Compilation and Translation, University of Karachi, 1996.

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International Council of Scientific Unions. Scientific Committee on Antarctic Research. Antarctica: A catalogue of maps and charts. 5a ed. Belconnen: Australian Surveying and Land Information Group, Department of Administrative Services, 1988.

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Canada. Surveys, Mapping and Remote Sensing Sector. Catalogue of maps, charts and aerial photography. Ottawa, Ont: Energy, Mines and Resources Canada, 1992.

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Publishers, Thomas Nelson, ed. Nelson's complete book of Bible maps & charts. Nashville, Tenn: Thomas Nelson, 1996.

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Nelson's complete book of Bible maps & charts. 3a ed. Nashville: Thomas Nelson, 2010.

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Capítulos de libros sobre el tema "Charts, maps"

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Krause, Jörg, Christian Langhirt, Alexander Sterff, Bernd Pehlke y Martin Döring. "Integrating Charts and Maps". En SharePoint 2010 as a Development Platform, 827–80. Berkeley, CA: Apress, 2010. http://dx.doi.org/10.1007/978-1-4302-2707-6_14.

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Grubesic, Tony H. y Jake R. Nelson. "A Primer on Aeronautical Charts and Maps". En UAVs and Urban Spatial Analysis, 31–50. Cham: Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-35865-5_3.

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Davenport, William H. "Maps and Mapmaking: Marshall Island Stick Charts". En Encyclopaedia of the History of Science, Technology, and Medicine in Non-Western Cultures, 2709–12. Dordrecht: Springer Netherlands, 2016. http://dx.doi.org/10.1007/978-94-007-7747-7_9030.

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Goldman, Rhonda N. y Leslie S. Greenberg. "Case formulation application charts." En Case formulation in emotion-focused therapy: Co-creating clinical maps for change., 189–211. Washington: American Psychological Association, 2015. http://dx.doi.org/10.1037/14523-009.

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Aspin, Adam. "Charts in Power View". En High Impact Data Visualization in Excel with Power View, 3D Maps, Get & Transform and Power BI, 87–119. Berkeley, CA: Apress, 2016. http://dx.doi.org/10.1007/978-1-4842-2400-7_4.

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Donchyts, Gennadii. "Exploring Image Collections". En Cloud-Based Remote Sensing with Google Earth Engine, 255–65. Cham: Springer International Publishing, 2023. http://dx.doi.org/10.1007/978-3-031-26588-4_13.

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AbstractThis chapter teaches how to explore image collections, including their spatiotemporal extent, resolution, and values stored in images and image properties. You will learn how to map and inspect image collections using maps, charts, and interactive tools and how to compute different statistics of values stored in image collections using reducers.
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Carmagnola, Fulvio. "Maps, Diagrams and Charts: Making the Cultural Trait Visible". En Understanding Cultural Traits, 161–78. Cham: Springer International Publishing, 2016. http://dx.doi.org/10.1007/978-3-319-24349-8_10.

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Miga, Andrew, Daniel Amyot, Francis Bordeleau, Donald Cameron y Murray Woodside. "Deriving Message Sequence Charts from Use Case Maps Scenario Specifications". En SDL 2001: Meeting UML, 268–87. Berlin, Heidelberg: Springer Berlin Heidelberg, 2001. http://dx.doi.org/10.1007/3-540-48213-x_17.

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García-Álvarez, David y Javier Lara Hinojosa. "Global Thematic Land Use Cover Datasets Characterizing Agricultural Covers". En Land Use Cover Datasets and Validation Tools, 399–417. Cham: Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-030-90998-7_20.

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AbstractThere is a wide variety of global thematic Land Use Cover (LUC) datasets characterizing agricultural covers. Most of them focus on cropland areas, providing information on their extent or the percentage of cropland cover on the ground. In some cases, the focus is more specific and they provide information on cropland irrigation practices. In other cases, specific maps charting the extension of different crops are also available. In this chapter, we review 8 different datasets with a spatial resolution of at least 1 km. There are many other datasets characterizing agricultural covers at coarser resolutions, such as the Historic Croplands Dataset, GMRCA or GIAM. Their coarse resolution hampers their potential application in practice, which is why they are not described in detail in this chapter. Nor do we analyse FROM-GC, a dataset mapping the extent of global cropland at 30 m, because it is not currently accessible. GFSAD30 has the highest resolution of all the datasets reviewed (30 m). It also provides some of the most up-to-date information (2015). However, it only charts the extent of cropland. As part of an associated project, GFSAD1KCD and GFSAD1KCM characterize cropland areas in 9 and 7 categories respectively at 1 km for 2010. They provide information on the irrigation status of the crops. GFSAD1KCD and GFSAD1KCM were obtained from data fusion. This method is commonly used in the production of many of the cropland datasets reviewed: IIASA-IFPRI cropland map, Global Synergy Cropland Map, Unified Cropland Layer (UCL) and ASAP Land Cover Masks. The IIASA-IFPRI (2005) and ASAP maps provide information on the proportion of cropland at a spatial resolution of 1 km. ASAP also includes a map on rangeland covers, and as such is the only dataset described in this chapter that maps a cover other than croplands. The Global Synergy Cropland Map (2010) and the Unified Cropland Layer (2014) also map cropland proportions, although they have been produced at higher spatial resolutions: 500 and 250 m respectively. The Global Cropland Extent product maps the extent of cropland at 250 m based on imagery from 2000-2008. Although thematically limited, this dataset is less affected by time variability, as it is based on imagery taken over a long period (8 years). Finally, GRIPC maps the extent of three types of cropland area (irrigated, rainfed and paddy crops) at 500 m for 2005.
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"Maps and charts". En Principles of Historical Linguistics, XII—XIV. De Gruyter Mouton, 1986. http://dx.doi.org/10.1515/9783110871975-002.

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Actas de conferencias sobre el tema "Charts, maps"

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D'Arcy, J. "189. Navigating Workplace Hazards With Air Contaminant Charts (Maps)". En AIHce 2003. AIHA, 2003. http://dx.doi.org/10.3320/1.2757862.

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alZahir, Saif y Arber Borici. "Lossless Compression of Maps, Charts, and Graphs via Color Separation". En 2010 Data Compression Conference. IEEE, 2010. http://dx.doi.org/10.1109/dcc.2010.102.

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Lager, Marten, Elin A. Topp y Jacek Malec. "Underwater Terrain Navigation Using Standard Sea Charts and Magnetic Field Maps". En 2017 IEEE International Conference on Multisensor Fusion and Integration for Intelligent Systems (MFI). IEEE, 2017. http://dx.doi.org/10.1109/mfi.2017.8170410.

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Hu, Q., L. L. Cong y S. F. Zhang. "Research on transformation technology: converting river GIS maps to S57 standard charts". En International Conference on Computer Science and Systems Engineering. Southampton, UK: WIT Press, 2015. http://dx.doi.org/10.2495/csse140621.

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Drago, F. J. y E. M. Granger. "Optics Requirements For Making Color Fiche Transparencies Of Maps, Charts, And Documents". En 1985 Technical Symposium East, editado por Lionel R. Baker y Edward M. Granger. SPIE, 1985. http://dx.doi.org/10.1117/12.948801.

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Smith, Alan K. y Edward F. Wang. "The Application Of Contour Maps And Statistical Control Charts In Monitoring Dielectric Processes". En Microlithography Conference, editado por Kevin M. Monahan. SPIE, 1987. http://dx.doi.org/10.1117/12.940406.

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Anderson, Mark R. "Comprehensive Smith Charts for Axial Compressor Design". En ASME Turbo Expo 2019: Turbomachinery Technical Conference and Exposition. American Society of Mechanical Engineers, 2019. http://dx.doi.org/10.1115/gt2019-91569.

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Abstract The “Smith Chart” has been recognized as an indispensable technique when applied to the initial design of axial compressors and turbines. The Smith Chart offers a simple method to locate the region of optimum efficiency which is achievable as a function of flow and work coefficient. The result is a targeted flow state represented by the velocity triangles that result from these coefficients. The process was originally developed, and is best documented, for axial turbines1. Over the years, several publications, of similar methods for axial compressors have been put forward. The author presented one such work2 which made significant use of optimization to develop an improved Smith chart for moderate Mach number compressor designs. In the current work, these results are expanded to both low Mach number (basically incompressible) to high-speed transonic cases as well. Similar to the previous work, the effort makes extensive use of optimization to systematically explore the optimum 2D profile shapes for a wide range of target flow and work coefficients. The method uses an FNS quasi-3D CFD solver, coupled to an efficiently parameterized geometry generator, combined with an automated optimization process. The process was applied independently to dozens of flow and work coefficient points to generate comprehensive maps of performance. Results are shown for three different relative inflow Mach numbers: 0.2, 0.75, and 1.1. The maps are displayed in classic Smith chart format of islands of stage efficiency as a function of the flow and work coefficient. Specifically, the results are for axial compressor stages of 50% reaction, the theoretical ideal reaction for 2D flow. The results and the implications over varying Mach numbers are discussed. Also included is an expanded discussion of the range and accuracy of various meanline modeling methods, along with their ability to determine the optimum design condition.
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Capata, Roberto y Enrico Sciubba. "Use of Modified Balje Maps in the Design of Low Reynolds Number Turbocompressors". En ASME 2012 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2012. http://dx.doi.org/10.1115/imece2012-85582.

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The design of micro and ultra-micro turbomachinery introduces severe challenges due to the absence of a reliable and sufficiently extended database, so that the phenomenological differences among micro-turbomachines and between micro- and commercial-scale devices must be semi-empirically modelled from case to case. Scope of this study is to verify the possibility of extending the usual design correlations and maps to such small scales: specifically, this paper presents a procedure to conveniently modify the standard performance Balje map so that it can be adopted “as is” in the design of a micro and ultra-micro machines. The results of a systematic comparison with the general Stodola-like formula allow extending the applicability of Re-corrected Balje and Smith charts to the range of Re ≤ 105.
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Anderson, Mark R. "Improved Smith Chart for Axial Compressor Design". En ASME Turbo Expo 2018: Turbomachinery Technical Conference and Exposition. American Society of Mechanical Engineers, 2018. http://dx.doi.org/10.1115/gt2018-75845.

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Preliminary design of a turbomachinery stage usually begins with target flow states, represented by a velocity triangle. Guidance for these target velocities comes from a variety of sources, which include some physics-based rules but, more often than not, have a significant empirical basis. The best-known guidelines for axial designs are the so-called “Smith Charts”. This approach was documented in detail by Smith [1] and quickly became a preferred approach for initial design of axial turbines stages. The method was based on a significant set of test data for various turbine designs, corrected for complicating factors, such as various clearance gaps and so on. Similar, but less well-documented methods, have been developed for axial compressor design. Despite the widespread use of the Smith chart method, these approaches have a very limited substantiation and no clear pedigree. Most attempts to develop Smith-like charts for compressor design guidance are based on fairly simplified models that carry significant unknowns, particularly at high loading. This paper details the development of new Smith charts for axial compressor designs, by making extensive use of optimization techniques. Profile designs are optimized for a range of target flow coefficients and work coefficients. The result is a performance map, representing the maximum possible performance for a given set of coefficient values. The analysis was limited to 2D profile design (quasi-3D analysis) and a reaction of 50%, the theoretical ideal reaction rate for 2D flow. Using the newly developed maps of maximum performance potential, the accuracy of various modeling methods is examined, along with their ability to determine the optimum design condition. Improvements to profile loss methods, based on the new data, are suggested.
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Orndorff, Randall y Mercer Parker. "CORRELATION CHARTS AS IMPORTANT TOOLS FOR HARMONIZATION OF GEOLOGIC MAPS: AN EXAMPLE FROM THE ORDOVICIAN OF THE APPALACHIANS". En GSA Connects 2022 meeting in Denver, Colorado. Geological Society of America, 2022. http://dx.doi.org/10.1130/abs/2022am-380217.

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Informes sobre el tema "Charts, maps"

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Gouwy, S. A. Devonian conodont biostratigraphy of the Mackenzie Mountains, western part of the Northwest Territories. Natural Resources Canada/CMSS/Information Management, 2022. http://dx.doi.org/10.4095/326098.

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In this paper, a review of the current understanding of Devonian conodont biostratigraphy in the Mackenzie Mountains in the Northwest Territories is presented. The Devonian stratigraphy of the northern and southern Mackenzie Mountains is presented on two chronostratigraphic charts, from the first deposits on top of the sub-Devonian unconformity to the lower part of the Imperial and Fort Simpson formations. Schematic maps give an overview of the regional distribution of the formations in the Mackenzie Mountains. This update revealed that several of the assemblage and formation contacts are younger than presumed in an earlier time-stratigraphic chart; several formations and members are now better constrained in the updated charts. The update also pointed out intervals in the charts for which no data were available and for which more research is needed to constrain formations in the Devonian conodont biozonation.
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Fader, G. B. J., R. O. Miller y B. J. Todd. Geological interpretation of Halifax Harbour, Nova Scotia, Canada. Natural Resources Canada/CMSS/Information Management, 2023. http://dx.doi.org/10.4095/331504.

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An important part of seabed mapping is understanding the shape of the seabed and the depth of water. Hydrographic charts are produced for this purpose by the Canadian Hydrographic Service. During the final survey stages of the Harbour a new technology called multibeam bathymetry became available for high resolution mapping. This system uses transducers (sound sources) mounted on a ship that produce many independent sound beams and can map a large swath of the seabed at one time covering 100% of the bottom. The images that are produced are computer shaded to look as if the water is drained and you are flying over the area. They are the underwater equivalent of aerial photographs of the adjacent land. Because the information is collected digitally, many different kinds of maps can be produced to show subtle aspects of sediment deposition, erosion, and seabed features. The information can also be displayed using various colour schemes to represent seabed shape and computer generated fly-throughs can be produced. The multibeam bathymetric images nicely complement the other geological data sets.
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Dunbar, Joseph. Vertical and horizontal datums used in the Lower Mississippi Valley for US Army Corps of Engineers projects. Engineer Research and Development Center (U.S.), enero de 2022. http://dx.doi.org/10.21079/11681/42781.

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Six geodetic datums have been used by the US Army Corps of Engineers (USACE), Mississippi River Commission (MRC), for river surveys in the Lower Mississippi Valley (LMV). These legacy elevation datums are the Cairo datum, the Memphis datum, the Mean Gulf Level (MGL), the Mean Sea Level (MSL), the National Geodetic Vertical Datum (NGVD) 1929, and the North American Vertical Datum 1988 (NAVD88). The official geodetic datum currently prescribed by the USACE is NAVD88 (USACE 2010). In addition to these different geodetic datums, hydraulic datums are in use by the USACE for rivers, lakes, and reservoir systems. Hydrographic surveys from the Mississippi River are typically based on a low water pool or discharge reference, such as a low water reference plane (LWRP), an average low water plane (ALWP), or a low water (LW) plane. The following technical note is intended to provide background information about legacy datums used in the LMV to permit comparison of historic maps, charts, and surveys pertaining to the Mississippi River in the LMV. The purpose of this report is to provide background information and history of different published horizontal and vertical datums used for presentation of hydrographic survey data from the Mississippi River. The goal is to facilitate understanding of differences with comparison to other historic surveys for change-detection studies along the river. Conversion values are identified herein for the earlier surveys where appropriate, and methods are presented here to evaluate the differences between earlier and later charts and maps. This report is solely intended to address the LMV area and historic surveys made there. This note is not applicable to areas outside of the LMV. Throughout this technical note, historic hydrographic surveys and data from the Memphis, TN, to Rosedale, MS, reach will be used as examples of features of interest for discussion purposes. Selected historic hydrographic survey sheets at Helena, AR, are included as Plates 1 to 3 (Appendix C) of this document and will be used as examples for discussion purposes.
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Norlén, Gustaf, Linda Randall, Nora Sánchez Gassen, Carlos Tapia, Ágúst Bogason, Alex Cuadrado, Timothy Heleniak et al. State of the Nordic Region 2022. Nordregio, marzo de 2022. http://dx.doi.org/10.6027/r2022:2.1403-2503.

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State of the Nordic Region 2022 has its point of departure in the Covid-19 pandemic and examines how it has affected demography, labour market and economy in the Nordic countries, regions, and municipalities. State of the Nordic Region is published every two years and provides a comprehensive account of regional development trends in the Nordic countries based on the latest statistical data. Charts and maps on different geographical scales are accompanied by expert analysis, providing policymakers and practitioners with a solid evidence base for informed decision making. In writing this edition of State of the Nordic Region, it was, of course, vital to acknowledge the impact of the Covid-19 pandemic. Given the magnitude of this crisis, a conscious decision was taken early in the process to make the pandemic the explicit focus of the publication. State of the Nordic Region 2022 is produced and published by Nordregio.
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Blickle, Kristian S., Evan Perry y João A. C. Santos. Do Mortgage Lenders Respond to Flood Risk? Federal Reserve Bank of New York, mayo de 2024. http://dx.doi.org/10.59576/sr.1101.

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Using unique nationwide property-level mortgage, flood risk, and flood map data, we analyze whether lenders respond to flood risk that is not captured in FEMA flood maps. We find that lenders are less willing to originate mortgages and charge higher rates for lower LTV loans that face “un-mapped” flood risk. This effect is weaker for high income applicants, as well as non-banks and small local banks. However, we find evidence that non-banks and local banks are more likely to securitize/sell mortgages to borrowers prone to flood risk. Taken together, our results are indicative that mortgage lenders are aware of flood risk outside FEMA’s identified flood zones.
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Terwilliger, Thomas C. Tracing polypeptide chains in electron-density maps. Office of Scientific and Technical Information (OSTI), febrero de 2011. http://dx.doi.org/10.2172/1052759.

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VerWey, John. Through a Glass, Darkly: Mapping Emerging Technologies and Their Supply Chains. Center for Security and Emerging Technology, agosto de 2023. http://dx.doi.org/10.51593/20230004.

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Identifying emerging technologies is critical to governments, the private sector, and researchers, but these groups lack a shared analytical approach when it comes to assessing the trajectories of new technologies. To better calibrate efforts to protect and promote emerging technologies, supply chain security research provides a mature, relevant analytical framework. This report offers policymakers a template to map emerging technology supply chains using two tools developed by CSET's Emerging Technology Observatory: the Map of Science and the Supply Chain Explorer.
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Edwards, Stephanie S., Stephanie A. Myrick y Martin L. Gendron. Lane Navigation Using Electronic Charts: A Training Manual for the NRL Moving-Map System. Fort Belvoir, VA: Defense Technical Information Center, enero de 2003. http://dx.doi.org/10.21236/ada411690.

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Madani, H., A. C. Mignerey, A. A. Marchetti, A. P. Weston-Dawkes, W. L. Kehoe y F. Obenshain. Mass and charge distributions in Fe-induced reactions. Office of Scientific and Technical Information (OSTI), febrero de 1995. http://dx.doi.org/10.2172/31680.

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Martin, Charles R. y Leon S. Van Dyke. Mass and Charge Transport in Electronically Conductive Polymers. Fort Belvoir, VA: Defense Technical Information Center, agosto de 1990. http://dx.doi.org/10.21236/ada225305.

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