Urbanization in India: Population and Urban Classification Grids for 2011
Deborah Balk1,2, Mark R Montgomery3,4, Hasim Engin1
1CUNY Institute for Demographic Research, City University of New York, New York, NY 10010, USA.
Summary
India
Area of Science:
- Urbanization studies
- Geospatial analysis
- Population geography
Background:
- India's urbanization estimates conflict between official data and alternative conceptions.
- Detailed spatial data for analyzing these discrepancies have been lacking.
- Understanding India's urban transition is crucial for policy and planning.
Purpose of the Study:
- To reconcile conflicting urbanization estimates in India.
- To provide high-resolution spatial data for urban analysis.
- To enable empirical comparison of different urbanization models.
Main Methods:
- Generated 1 km gridded population estimates for India.
- Created two spatial urban area renderings: official census data and Global Human Settlement Layer (GHSL) built-up land.
- Cross-classified census and remotely-sensed data for a hybrid urban continuum representation.
Main Results:
- Developed detailed spatial datasets of population and urban extents.
- Enabled fine-grained comparison of official and remotely-sensed urban definitions.
- Provided a novel hybrid representation of India's urban landscape.
Conclusions:
- The presented data offer an unprecedented empirical basis for studying India's urbanization.
- Facilitates a deeper understanding of the spatial nuances of urban transitions.
- Supports comparative analysis of diverse urbanization conceptualizations.
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