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Urban Population Density: A Comment [PDF]
Environment and Planning A: Economy and Space, 1981 The poor results obtained with certain members of the quadratic gamma family is shown to be due to a specification error in most of the members of that family. By choosing a more admissible travel-cost function, the displaced quadratic gamma function is derived, which does not contain this specification error.
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Urban benzene and population exposure
Nature, 2000People aren't just at risk from carcinogenic benzene when they are out on city streets. Benzene pollution emanating from motor traffic can cause leukaemia1,2,3, with the risk being estimated at about four cases per million among people who experience lifelong exposure to benzene concentrations of 1 μg m−3 in air4,5,6.
Cocheo, Vincenzo +8 more
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Cities, 2019
The complexity of cities and their internal structure make it more and more important to study the distribution of urban population density, and big data provide some new technical means for this theme. Based on the Baidu heat map data and urban POI data
Jin-Ga Li +3 more
semanticscholar +1 more source
The complexity of cities and their internal structure make it more and more important to study the distribution of urban population density, and big data provide some new technical means for this theme. Based on the Baidu heat map data and urban POI data
Jin-Ga Li +3 more
semanticscholar +1 more source
Urbanization and the Future of Population Health
The Milbank Quarterly, 2023Policy Points Cities, which are where the majority of the world's population lives today, directly ...
Kushal T, Kadakia, Sandro, Galea
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Landscape and Urban Planning, 2019
It is widely observed urban land expands faster than population grows, which results in declining urban population densities over time. However, it is not known how densities decline.
Gang Xu +5 more
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It is widely observed urban land expands faster than population grows, which results in declining urban population densities over time. However, it is not known how densities decline.
Gang Xu +5 more
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“The Urbanization of the Human Population”
Scientific American, 1965This chapter provides a picture of leading cities in global city network for early years of twenty-first century. Peter J.Taylor begins Global City Network with a review of how a number of scholars laid theoretical groundwork for global city research.
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, 2019
Population size is closely related to anthropogenic CO2 emissions, but whether urban population size at different stages of population urbanization matters differently to CO2 emissions in regions at different development levels has not been paid much ...
Pan-Pan Cui, Si-You Xia, L. Hao
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Population size is closely related to anthropogenic CO2 emissions, but whether urban population size at different stages of population urbanization matters differently to CO2 emissions in regions at different development levels has not been paid much ...
Pan-Pan Cui, Si-You Xia, L. Hao
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1978
In the period 1848–1918 there were considerable major and minor boundary changes, and the notes in this chapter and the details of boundary changes on pp. 12–15 should be taken into consideration.
Chris Cook, John Paxton
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In the period 1848–1918 there were considerable major and minor boundary changes, and the notes in this chapter and the details of boundary changes on pp. 12–15 should be taken into consideration.
Chris Cook, John Paxton
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, 2021
Population aging has become a salient demographic phenomenon in China, thus causing social and economic concerns. However, little is known about the impact of population aging on the environment.
Jian-Shuang Fan +4 more
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Population aging has become a salient demographic phenomenon in China, thus causing social and economic concerns. However, little is known about the impact of population aging on the environment.
Jian-Shuang Fan +4 more
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Asia-Pacific Population Journal, 1986
Urban dwellers are rapidly becoming a majority of the population. Most of them live in developing countries, and an ever-higher proportion in the biggest cities. Most of the world’s largest cities are now in developing countries, and they are growing to sizes never before experienced.
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Urban dwellers are rapidly becoming a majority of the population. Most of them live in developing countries, and an ever-higher proportion in the biggest cities. Most of the world’s largest cities are now in developing countries, and they are growing to sizes never before experienced.
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