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Articles 61 - 78 of 78
Full-Text Articles in Geographic Information Sciences
Introduction To Gis Using Open Source Software, 4th Ed, Frank Donnelly
Introduction To Gis Using Open Source Software, 4th Ed, Frank Donnelly
Open Educational Resources
This tutorial was created to accompany the GIS Practicum, a day-long workshop offered by the Newman Library at Baruch College CUNY that introduces participants to geographic information systems (GIS) using the open source software QGIS. The practicum introduces GIS as a concept for envisioning information and as a tool for conducting geographic analyses and creating maps. Participants learn how to navigate a GIS interface, how to prepare layers and conduct a basic geographic analysis, and how to create thematic maps. This tutorial was written using QGIS version 1.8 "Lisboa", a cross-platform (Windows, Mac, Linux) desktop GIS software package.
The Role Of Suburbia In The Attribution Of Greenhouse Gas Emissions, Jochen Albrecht, Peter Marcotullio, Andrea Sarzynski, Niels Schulz
The Role Of Suburbia In The Attribution Of Greenhouse Gas Emissions, Jochen Albrecht, Peter Marcotullio, Andrea Sarzynski, Niels Schulz
Publications and Research
The original goal of the research presented here was to quantify by world region, the contribution of urbanized areas to global greenhouse gas (GHG) emissions (EDGAR, 2011). Regressions on population density and growth rate, GDP, and heating/cooling degree days, as well as a row of other non-significant variables, show that the contribution of urban extents is between 38% and 49% of total emissions (Marcotullio et al., 2012). In spite of using very liberal definitions of urban extents (GRUMP, 2011) this is at the low end of academic estimates (Satterthwaite, 2008; WEO, 2008; Dhakal, 2010). It is no surprise that the …
The Geography Of Global Urban Greenhouse Gas Emissions: An Exploratory Analysis, Jochen Albrecht, Peter Marcotullio, Amdrea Sarzynski, Niels Schulz, Jake Garcia
The Geography Of Global Urban Greenhouse Gas Emissions: An Exploratory Analysis, Jochen Albrecht, Peter Marcotullio, Amdrea Sarzynski, Niels Schulz, Jake Garcia
Publications and Research
The purpose of this paper is to describe global urban greenhouse gas emissions by region and sector, examine the distribution of emissions through the urban-to-rural gradient, and identify covariates of emission levels for our baseline year, 2000.We usemultiple existing spatial databases to identify urban extent, greenhouse gas emissions (CO2, N2O, CH4 and SF6) and covariates of emissions in a “top-down” analysis. The results indicate that urban activities are significant sources of total greenhouse gas emissions (36.8 and 48.6 % of total). The urban energy sector accounts for between 41.5 and 66.3 % of total energy emissions. Significant differences exist in …
Community Loss: A New Social Indicator, Jochen Albrecht, Mimi Abramovitz
Community Loss: A New Social Indicator, Jochen Albrecht, Mimi Abramovitz
Publications and Research
The Community Loss Index ðCLIÞ, a new social indicator, focuses on the understudied role of place as a source of stress and an aggregator of individual experiences. Building on the relationship between loss and stress, the index attempts to capture collective loss, defined as the chronic exposure by neighborhood residents to multiple resource losses at the same time. Using maps, the article analyzes the spatial distribution of six types of loss in New York City and the characteristics of people who live in high- and low-loss neighborhoods. Regionalization reveals a neighborhood-based concentration of loss, patterns of loss that are both …
The Geography Of Greenhouse Gas Emissions From Within Urban Areas Of Asia, Jochen Albrecht, Peter Marcotullio, Andrea Sarzynski, Niels Schulz
The Geography Of Greenhouse Gas Emissions From Within Urban Areas Of Asia, Jochen Albrecht, Peter Marcotullio, Andrea Sarzynski, Niels Schulz
Publications and Research
This paper aims to advance two objectives: (1) identify and explore greenhouse gas emissions from urban areas in Asia at the regional level; and (2) explore covariates of urban greenhouse gas emissions. We use the Emissions Database for Global Atmospheric Research estimates for carbon dioxide, methane, nitrous oxide, and sulfur hexafluoride from 14 source activities for the year 2000, which are allocated on a 1/108 global grid. We extract emissions for 3535 urban extents all with populations over 50,000, accounting for approximately 91% of the region’s urban population. We use regression analysis to associate emissions with urban area and growth, …
Introduction To Gis Using Open Source Software, 1st Ed, Frank Donnelly
Introduction To Gis Using Open Source Software, 1st Ed, Frank Donnelly
Open Educational Resources
This tutorial was created to accompany the GIS Practicum, a day-long workshop offered by the Newman Library at Baruch College CUNY that introduces participants to geographic information systems (GIS) using the open source software QGIS. The practicum introduces GIS as a concept for envisioning information and as a tool for conducting geographic analyses and creating maps. Participants learn how to navigate a GIS interface, how to prepare layers and conduct a basic geographic analysis, and how to create thematic maps. This tutorial was written using QGIS version 1.5 "Tethys", a cross-platform (Windows, Mac, Linux) desktop GIS software package.
The Geography Of Greenhouse Gas Emissions From Within Urban Areas Of India, Jochen Albrecht, Peter Marcotullio, Andrea Sarzynski
The Geography Of Greenhouse Gas Emissions From Within Urban Areas Of India, Jochen Albrecht, Peter Marcotullio, Andrea Sarzynski
Publications and Research
This paper examines the patterns of greenhouse gas (GHG) emissions from urban areas in India—a rapidly growing and urbanizing nation. It uses a new dataset, Emission Dataset for Global Atmospheric Research (EDGAR) to estimate the urban share of national GHG emissions. It presents a geographic picture of emission variation by urban form (urban population size, area size, density, and growth rate), and economic (GDP and GDP per capita), geographic (location of emissions released: 20, 40, and 80 km from urban areas), and biophysical (ecosystem and climate: cooling degree days) characteristics. Dependent variables include emissions of carbon dioxide (CO2), methane (CH4), …
Public Participation Gis Implementation And The Transformation Of Us Planning Practice, Laxmi Ramasubramanian
Public Participation Gis Implementation And The Transformation Of Us Planning Practice, Laxmi Ramasubramanian
Publications and Research
No abstract provided.
Dilemmas In Contemporary Planning And State Of The Practice Of Ppgis, Laxmi Ramasubramanian
Dilemmas In Contemporary Planning And State Of The Practice Of Ppgis, Laxmi Ramasubramanian
Publications and Research
No abstract provided.
Application Planning, Jochen Albrecht, Clare Davies
Application Planning, Jochen Albrecht, Clare Davies
Publications and Research
No abstract provided.
Evaluating The Effectiveness Of Widely Available 3-D Visualization Tools In Support Of Public Participation, Laxmi Ramasubramanian, Jennifer L. Weeks, Tim Case
Evaluating The Effectiveness Of Widely Available 3-D Visualization Tools In Support Of Public Participation, Laxmi Ramasubramanian, Jennifer L. Weeks, Tim Case
Publications and Research
There is a persistent need for improved tools and techniques to facilitate public involvement in transportation decision making. Despite continuous improvements in increasing public involvement at all phases of transportation decision making, transportation agencies are still seeking more affordable, accessible, and effective means of communicating with a wide range of stakeholders. The report documents a survey of a wide variety of transportation agencies on their use of interactive 3-D visualization for public involvement using an electronic survey. Supplemental qualitative data was generated through telephone interviews with selected survey participants. It concludes with three case studies illustrating applications of interactive 3-D …
A Requirement List For Geo-Ontology Tools, Jochen Albrecht
A Requirement List For Geo-Ontology Tools, Jochen Albrecht
Publications and Research
No abstract provided.
Ferry Parking And Landside Access Study: Implementing Public Outreach And Impact Assessment, Jochen Albrecht, Stephanie Camay, Laxmi Ramasubramanian, Brandon Derman, Eric Bohn, William Milczarski, Maria Boile, Sotiris Theofanis
Ferry Parking And Landside Access Study: Implementing Public Outreach And Impact Assessment, Jochen Albrecht, Stephanie Camay, Laxmi Ramasubramanian, Brandon Derman, Eric Bohn, William Milczarski, Maria Boile, Sotiris Theofanis
Publications and Research
Through federal regulations, metropolitan planning organizations (MPOs) are mandated to perform public outreach and impact assessment. Although there are some established parameters, the quality and effectiveness of public outreach efforts vary widely, and in many instances information dissemination becomes the central focus of public outreach efforts. However, information dissemination, although essential, is not as effective as a two-way process of public involvement in which members of the public may provide feedback to shape agency initiatives. Research conducted for the Ferry Parking and Landside Access Study is used to describe best practices in public outreach, focusing on socio-economic and community impact …
Geographic Information Science And Public Participation, Laxmi Ramasubramanian
Geographic Information Science And Public Participation, Laxmi Ramasubramanian
Publications and Research
No abstract provided.
Geo-Ontology Tools – The Missing Link, Jochen Albrecht, Laxmi Ramasubramanian, Brandon Derman
Geo-Ontology Tools – The Missing Link, Jochen Albrecht, Laxmi Ramasubramanian, Brandon Derman
Publications and Research
Numerous authors have presented ontology building tools that have all been developed as part of academic projects and that are usually adaptations of more generic tools for geo-spatial applications. While we trust that these tools do their job for the special purpose they have been built, the GIScience user community is still a long way away from off-the-shelf ontology builders that can be used by GIS project managers. In this article, we present a comparative study of ontology building tools described in some twenty peer-reviewed GIScience journal articles. We analyze them from the perspective of two application domains, crime analysis …
Dynamic Gis, Jochen Albrecht
Key Concepts And Techniques In Gis, Jochen Albrecht
Key Concepts And Techniques In Gis, Jochen Albrecht
Publications and Research
No abstract provided.
Implementing A New Data Model For Simulating Process, Jochen Albrecht, Femke Reitsma
Implementing A New Data Model For Simulating Process, Jochen Albrecht, Femke Reitsma
Publications and Research
The paper describes the development of a new methodological approach for simulating geographic processes through the development of a data model that represents a process. This methodology complements existing approaches to dynamic modelling, which focus on the states of the system at each time step, by storing and representing the processes that are implicit in the model. The data model, called nen, focuses existing modelling approaches on representing and storing process information, which provides advantages for querying and analysing processes. The flux simulation framework was created utilizing the nen data model to represent processes. This simulator includes basic classes for …