Ran Goldblatt

Ran Goldblatt
University of California, San Diego | UCSD · School of Global Policy and Strategy

PhD

About

43
Publications
17,099
Reads
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785
Citations
Citations since 2017
26 Research Items
717 Citations
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2017201820192020202120222023050100150
2017201820192020202120222023050100150

Publications

Publications (43)
Article
Full-text available
The impacts of natural disasters are often disproportionally borne by poor or otherwise marginalized groups. However, while disaster risk modelling studies have made progress in quantifying the exposure of populations, limited advances have been made in determining the socioeconomic characteristics of these exposed populations. Here, we generate sy...
Article
Full-text available
The history of satellite remote sensing of nighttime lights traces it is roots back the U.S. Air Force Defense Meteorological Satellite Program (DMSP) which began flying polar orbiting satellites with cloud imaging sensors in the 1970’s. The meteorologists found that they could improve weather predictions with visible and thermal band imagery. The...
Article
This paper collects data on transport corridor projects financed by the Asian Development Bank, Japan International Cooperation Agency, and World Bank and links them to a wider economic benefit—local economic activity. The paper uses the difference-in-differences methodology to link the variation in country and local initial conditions, and project...
Article
Full-text available
The rapid growth of cities—along with the increasing connectedness of the world's social, economic, and political systems—has been hypothesized to generate a homogenization of urban form and associated environmental impacts. These hypotheses, however, have rarely been tested. Employing satellite imagery of 150 of the most populous cities in China,...
Article
Full-text available
Nighttime Light Emission (NLE) is associated with diminished mental and physical health. The present study examines how NLE and associated urban features (e.g., air pollution, low green space) impact mental and physical wellbeing. We included 200,393 UK Biobank Cohort participants with complete data. The study was carried out in two steps. In Step1...
Article
Full-text available
Urbanicity is a growing environmental challenge for mental health. Here, we investigate correlations of urbanicity with brain structure and function, neuropsychology and mental illness symptoms in young people from China and Europe (total n = 3,867). We developed a remote-sensing satellite measure (UrbanSat) to quantify population density at any po...
Article
Full-text available
Urban Heat Islands (UHIs) and Urban Cool Islands (UCIs) can be measured by means of in situ measurements and interpolation methods, which often require densely distributed networks of sensors and can be time-consuming, expensive and in many cases infeasible. The use of satellite data to estimate Land Surface Temperature (LST) and spectral indices s...
Preprint
Full-text available
Urbanicity is a growing environmental challenge for mental-health. While the impact of urban life on brain and behavior might be distinct in different sociocultural conditions and geographies, there might exist features shared between regions. To investigate correlations of urbanicity with brain structure and function, neuropsychology and mental il...
Article
Full-text available
Public open spaces (POSs) provide multiple services (such as facilities for physical activities and social interactions) to local people, and these services are important for the well-being of society and for improving the quality of life. Extensive research on POSs has been carried out in developed countries (such as the US and Australia, as well...
Article
Full-text available
The urban heat island (UHI) effect has become a significant focus of research in today's era of climate change, and a key consideration for the next generation of urban planning focused on green and livable cities. UHI has traditionally been measured using in situ data and ground-based measurements. However, with the increased availability of satel...
Article
Full-text available
Over the last few decades, many countries, especially islands in the Caribbean, have been challenged by the devastating consequences of natural disasters, which pose a significant threat to human health and safety. Timely information related to the distribution of vulnerable population and critical infrastructure is key for effective disaster relie...
Preprint
Full-text available
Over the last few decades, many countries, especially Caribbean island ones, have been challenged by the devastating consequences of natural disasters, which pose a significant threat to human health and safety. Timely information related to the distribution of vulnerable population and critical infrastructure are key for an effective disaster reli...
Article
Full-text available
This paper collects meta data on transport corridor projects financed by the Asian Development Bank, Japan International Cooperation Agency, and World Bank and links them to one important wider economic benefit-local economic activity. The meta data cover 47 projects in 16 countries, with appraisal dates between 1991 and 2007. First, the paper revi...
Article
Full-text available
This study explores the potential and the limits of medium-resolution satellite data as a proxy for economic activity at small geographic units. Using a commune-level dataset from Vietnam, it compares the performance of commonly used nightlight data and higher resolution Landsat imagery, which measures daytime light reflection. The analysis suggest...
Preprint
Urbanicity, the impact of living in urban areas, is among the greatest environmental challenges for mental health. While urbanicity might be distinct in different sociocultural conditions and geographic locations, there are likely to exist common features shared in different areas of the globe. Understanding these common and specific relations of u...
Presentation
Full-text available
Urbanization has been a fundamental trend of the past two centuries and a key force shaping the development of the modern world. While urbanization in rapidly growing nations is helping lift hundreds of millions of people out of poverty, it is also creating immense societal challenges by increasing greenhouse-gas emissions, destabilizing fragile ec...
Article
We propose a methodology for defining urban markets based on builtup landcover classified from daytime satellite imagery. Compared to markets defined using minimum thresholds for nighttime light intensity, daytime imagery identify an order of magnitude more markets, capture more of India’s urban population, are more realistically jagged in shape, a...
Article
Reliable representations of global urban extent remain limited, hindering scientific progress across a range of disciplines that study functionality of sustainable cities. We present an efficient and low-cost machine-learning approach for pixel-based image classification of built-up areas at a large geographic scale using Landsat data. Our methodol...
Article
Full-text available
Urbanization is a fundamental trend of the past two centuries, shaping many dimensions of the modern world. To guide this phenomenon and support growth of cities that are competitive and sustainably provide needed services, there is a need for information on the extent and nature of urban land cover. However, measuring urbanization is challenging,...
Article
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Semi-arid ecosystems play a key role in global agricultural production, seasonal carbon cycle dynamics, and longer-run climate change. Because semi-arid landscapes are heterogeneous and often sparsely vegetated, repeated and large-scale ecosystem assessments of these regions have to date been impossible. Here, we assess the potential of high-spatia...
Conference Paper
Full-text available
Analysis of street networks is a challenging task, needed in urban planning applications such as urban design or transportation network analysis. Typically, different network features of interest are used for within- and between comparisons across street networks. We introduce StreetExplorer, a visual-interactive system for analysis and comparison...
Article
The paper examines the willingness of Israeli Jews and Arab Palestinians for intergroup contacts during daily activities in diverse functional spaces and spatial organisational contexts within the metropolitan area of Tel-Aviv, Israel. Semi-structured interviews were conducted among visitors to public spaces in three mixed Arab-Jewish areas: a mixe...
Article
Full-text available
Urbanization often occurs in an unplanned and uneven manner, resulting in profound changes in patterns of land cover and land use. Understanding these changes is fundamental for devising environmentally responsible approaches to economic development in the rapidly urbanizing countries of the emerging world. One indicator of urbanization is built-up...
Article
The association between spatial patterns of retail activity and the spatial configuration of street networks was examined by means of the space syntax methodology in eight Israeli cities that represent two city types, characterized by different planning approaches and urban growth: (i) new towns, which were established according to a comprehensive...
Article
In this study, we present the potential of the conjunction between space syntax and Q-analysis methodologies for investigating patterns of movement flows in buildings. This potential is illustrated by an implementation of the two methodologies by comparing between two shopping malls in Israel, which are characterized by distinct spatial configurati...
Conference Paper
Full-text available
The analysis of street networks is an important problem in applications like city planning, comparison of urban street properties, or transportation network analysis. Graph-theoretic computation schemes today provide street network analysts with a range of topological features relating e.g., to connectivity properties of street networks. Typically,...
Article
Full-text available
Childhood and adolescent overweight/obesity is a major burden on public health worldwide. A growing body of empirical evidence highlights the impact of community characteristics of childhood obesity. This study explored socioeconomic and spatial variations of adolescent overweight/obesity in Israel by using an ecological approach. Towns' socioecono...
Article
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This paper investigates how city's street network is related to the residential dynamics of the Arab minority's residential pattern in five Israeli Arab-Jewish mixed cities. Based on the the space syntax methodological framework we analysed the metric and topological access between individual streets. The results obtained show an association betwee...
Article
Full-text available
This paper examines the complex social reality of mixed ethnic residential areas, as reflected in drawn perceived neighbourhoods of Jews and Arabs living in homogenous and mixed neighbourhoods in Jaffa, Tel Aviv. Through in-depth interviews conducted among 89 Jaffa's residents, it illustrates how different perceptions about the residential area and...
Article
Full-text available
The emergence of GIS and the availability of high resolution geographic data have improved our ability to investigate the residential segregation in cities and to identify the temporal changes of the spatial phenomena. Using GIS, we have quantitatively and visually analyzed the correspondence between land-use distribution and Arab residential patte...
Article
The paper examines attitudes of mutual tolerance as expressed by the Jewish majority and the Arab minority in Jaffa, a mixed residential area in the city of Tel Aviv. More specifically, it focuses on the willingness of members of each group to share residential locations at different geographical scales (such as: the same housing unit, street, neig...
Article
Full-text available
This paper examines the complex social reality of mixed ethnic residential areas, as reflected in drawn perceived neighbourhoods of Jews and Arabs living in homogenous and mixed neighbourhoods in Jaffa, Tel Aviv. Through in-depth interviews conducted among 89 Jaffa's residents, it illustrates how different perceptions about the residential area and...
Article
We investigated the effect of inter-visibility conditions between landmark elements in a simulated 3D urban environment on wayfinding performance (the acquisition of spatial knowledge through direct experience within the simulated environment and navigation throughout this environment). Our experiment was conducted by means of a D virtual environme...
Chapter
Full-text available
In this paper we present an operative Wayfinding Support System (WSS) for a virtual city using the virtual model of Tel Aviv for targeted and exploration wayfinding tasks. The WSS was developed under the assumption that a design of a virtual city should allow a transfer of spatial knowledge from a real city to its virtual representation. Accordingl...
Article
Full-text available
This paper aims to evaluate what effect applying residents' urban image to virtual city design (a real time virtual model of an actual city) has on wayfinding performance during 'flying-based' navigation mode. Two experiments were conducted to compare two virtual city designs using the virtual model of Tel Aviv city. One design included highlighted...

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