Justin Stoler9
Allan G Hill7
9Justin Stoler
7Allan G Hill
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  • John R Weeks, Ae Allan, Hill Ae, Douglas Stow, Ae Arthur, Getis Ae +1 other
  • 2007
Slums are home to a large fraction of urban residents in cities of developing nations, but little attempt has been made to go beyond a simple slum/non-slum dichotomy, nor to identify slums more quantitatively than through local reputation. We use census data from Accra, Ghana, to create an index that applies the UN-Habitat criteria for a place to be a slum.(More)
As cit ies of deve lopi ng nation s absor b an increasing frac tion of the wor ld's population increase, questions have arisen about the potential for emerging inequalities in health within places that are alrea dy suffering fro m inadequate infrastructure. In this paper we exp lore the pattern of child mortality inequalities (as a prox y for overa ll(More)
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Little research has been conducted on how differing spatial resolutions or classification techniques affect image-driven identification and categorization of slum neighborhoods in developing nations. This study assesses the correlation between satellite-derived land cover and census-derived socioeconomic variables in Accra, Ghana to determine whether the(More)
The applicati on of multiple en d m eiub er spec tral mixture ana lysis (MJ::SA1A) to map th e ph ysical com pos ition of urban m orphology using Landsat Them ati c Mapp er (TM) dat a is evaluated an d tested. MESMA models mixed pixels as lin ear com binations of pure spec tra, called en dm em bers, while allo wing th e types and number of endmembers to(More)
Irrigated urban agriculture (UA), which has helped alleviate poverty and increase food security in rapidly urbanizing sub-Saharan Africa, may inadvertently support malaria vectors. Previous studies have not identified a variable distance effect on malaria prevalence from UA. This study examines the relationships between self-reported malaria information for(More)
Ghana is an excellent city to study neighborhood effects on health and poverty because of its disparate socioeconomic and health conditions, and because relatively recent and rich census and women's health data sets are available (Weeks et al., 2006; Weeks et al., 2007). As is generally the case for these types of urban data sets, the census and health data(More)
Intraurban differentials in safe drinking water in developing cities have been exacerbated by rapid population growth that exceeds expansion of local water infrastructure. In Accra, Ghana, municipal water is rationed to meet demand, and the gap in water services is increasingly being filled by private water vendors selling packaged "sachet" water. Sachets(More)
1. ABSTRACT This paper reports on preliminary results from a study applying the technique of spectral mixture analysis (SMA) to the measurement of temporal changes in the composition of urban morphology in the metropolitan area of Greater Cairo, Egypt, between 1987 and 1998. Although several remote sensing techniques have been successfully used for urban(More)
Population growth in West Africa has outpaced local efforts to expand potable water services, and private sector sale of packaged drinking water has filled an important gap in household water security. Consumption of drinking water packaged in plastic sachets has soared in West Africa over the last decade, but the long-term implications of these changing(More)