Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
Results
Showing 1 to 20 of 259 for “"Spatial Structure"”.
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Employment spatial structure in metropolitan Lima
… impacts of this economic transition on Lima’s spatial structure. Using nonparametric and semiparametric methods, I identify the location and effects of the main centers of economic activities, emphasizing their relationship with the spatial distribution of gross and sectoral employment, and …
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Understanding spatial structure : identification, transformation, evaluation
… to locate the references within a continuum of spatial configurations. Transformational rules are developed which allow for the generation of new configurations. Some proposals are made about inhabiting these configurations and the process of formal observation and trtransformation is placed …
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The spatial structure of mobile communication networks
… of interest in the relationship between the spatial and topological structure of communication networks with the availability of large scale anonymous datasets on the communication and mobility patterns of individuals. These datasets, captured as a by-product of modern communications …
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Changing spatial structure of major Chinese cities
This paper examines the spatial structures of commercial real estate buildings (Offices, Retails) in four Chinese cities: Beijing, Shanghai, Shenzhen, and Guangzhou. In contrast to previous studies, this paper focused on the changes of the spatial pattern by involving the time variables to …
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Urban Spatial Structure and Household Travel Time
The sprawl of U.S. cities has attracted criticism from many sources in recent years. Among the greatest of the cited harms of sprawl is the alleged travel time burden that it imposes on its residents. Previous research has tested the relationship between the sprawl of business activity and travel …
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The Spatial Structure of Turbulent Rayleigh-Benard Convection
… in the fully turbulent regime, of the cellular structures commonly observed at low Rayleigh numbers. The circulation cells are proposed as a physical description (not an explanation) of the phenomenon referred to in the literature as the wind of turbulence. They were found to contain …
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People's places : public spatial structure in Chinese villages
Thesis (M.Arch.)--Massachusetts Institute of Technology, Dept. of Architecture, 1980.
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The Role of Spatial Structure in Human Duration Processing
… the interaction between the reliability of spatial form information and the neural mechanisms responsible for the processing of sub-second durations. Duration discrimination sensitivity was found to be lower when event durations were defined by stimulus characteristics that caused reductions …
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Interplay between spatial structure and competition in ecological communities
… all of the models we study is an underlying spatial structure, leading to a richer set of possible behaviors than a typical well-mixed model. We first study the case of a metapopulation, a collection of smaller communities linked by dispersal. We find that when the environment is allowed to …
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Dissecting the spatial structure of overlapping transcription in budding yeast
… computational system for storing and retrieving spatially-mapped genomic data. This system forms the infrastructure for a novel algorithmic approach to detect and recover instances of same-strand overlapping transcripts in high resolution expression experiments. We then apply these algorithms to …
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Urban spatial structure, housing markets, and resilience to natural hazards
… dissertation consists of three essays on urban structure, housing, and environment. The first paper contributes to the existing debate on the co-location hypothesis by devising a proximity measure and controlling for a set of other urban form measures. Multiple regression analysis revealed that …
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Interactions between currents and the spatial structure of aquatic vegetation
… not only significantly alter the velocity structure of the flow, but play a large role in determining the spatial structure of the vegetation as well. This thesis examines these interactions through field experiments, review of existing literature and theoretical and analytical models. The …
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CompactCities : analyzing the urban spatial structure in cities with growth restrictions
A compact city form is one that espouses high intensity development within a restrictive geographic area. Its perceived benefits include (a) saving agricultural land (b) inducing shorter commute trips, thus less consumption of fuel and lower emission of harmful gases (c) bringing about a better …
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The role of urban spatial structure in reducing VMT and GHG emissions
… of this study is to uncover the role of urban spatial structure in greenhouse gas (GHG) mitigation and to understand how sustainable urban form can better reduce climate change. Until now, a great number of studies have focused on the links between urban spatial structure and travel behavior, …
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An analysis of urban travel and the spatial structure of urban activities.
Massachusetts Institute of Technology. Dept. of City and Regional Planning. Thesis. 1966. Ph.D.
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Spatial structure and informational asymmetry in the economics of multiple stock renewable resources
… by heterogeneous stock composition, non-uniform spatial distribution, and informational asymmetries between regulators and those involved in resource extraction. These issues continue to provide fertile ground for theoretical and empirical research. The uncertainty inherent in the catch …
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Development of experimental techniques and studies of spatial structure in turbulent thermal convection
… crystal techniques are applied to the study of spatial structure of turbulent thermal convection in wide horizontal water layers. A large-aspect-ratio test section for the study of turbulent Rayleigh convection in water has been constructed, instrumented and characterized. Boundary temperature …
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Connections to the city : a spatial structure for new perceptions of Harvard Square
… works with the built environment as a field of spatial forces.
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Quantification of the spatial structure and temporal variability of Earth's exosphere using optical tomography
Knowledge of the spatial structure of Earth's exosphere, the outermost atmospheric layer, is crucial for understanding various aspects of aeronomy and heliophysics, such as atmospheric chemistry and energetics, magnetospheric energy dissipation, ion-neutral coupling, and atmospheric evolution. …
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The Role of Backreef Soundscapes and their Spatial Structure for Recruitment of Tropical Marine Larvae
<p>Underwater sound is a cue used by many marine larvae to orient to coastal habitats including backreef, sponge-dominated hardbottom habitat in the Florida Keys (Florida, USA) – a particularly “noisy” coastal habitat. However, the distance over which acoustic cues are attractive to …
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