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  1. 11 sty 2024 · What is a city? Researchers use different criteria and datasets to define it—from population density to traffic flows. We argue there is one dataset that could serve as a proxy of the temporal...

  2. 26 cze 2024 · Of these, 1,524 are single tier and 2,686 are multi-tier, with 1,751 being two-tier systems. More complex city–regions are fewer, with 627 and 308 city–regions with three and four urban tiers ...

  3. 8 gru 2020 · In this paper we have discussed theoretical definitions of cities and settlements, various means of defining and measuring their boundaries, and a theoretical approach that makes specific quantitative predictions regarding the average relationship between population and area across settlements in a system.

  4. 1 lut 2021 · In this paper, we attempt to extract thematic place at a community scale and investigate the potential capability of multi-sourced geospatial data to understand extracted place. First, thematic places were constructed by integrating urban road networks and community detection methods in a complete network field.

  5. 1 lis 2022 · Using spatially-explicit data on population densities, rents, dwelling sizes, land cover, and transport time in 192 cities across all continents, this paper empirically assesses the ability of the SUM to represent cities throughout the world.

  6. The relationship between the city/town and the hinterland is a major component in central place theories. The basis for these theories is the simple realization according to which settlements develop in space in a manner that there are strong ties between them.

  7. Distance is the length of the path taken by an object whereas displacement is the simply the distance between where the object started and where it ended up. For example, lets say you drive a car. You drive it 5 miles east and then 3 miles west.