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The Social Dynamics of Houston's Urban Expansion

A new study published in the Land Use Policy journal explains how Houston's rapid expansion occurred, and why it matters.
October 6, 2020, 8am PDT | James Brasuell | @CasualBrasuell
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Houston, Texas
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"The urban footprint of the Houston metropolitan area increased by 63% from 1997 to 2017," according to an article by Kevin T. Smiley and Christopher R. Hakkenberg. All that development added 1,000 km2 of impervious surfaces, a mind boggling total equivalent to 1.25 times the land area of New York City; a land area larger than the cities of Boston, Philadelphia, Pittsburgh, and Washington D.C. combined; and 186,873 football fields.

Smiley and Hakenberg, a sociologist and ecologist, respectively, explain their recent study in the Land Use Policy journal, which accounts for the social dynamics driving Houston's incredible expansion. The research integrates insights from each of the writer's respective disciplinary fields "to examine how the social characteristics of neighborhoods relate to how human beings alter their local environment."

The research produces two key findings, according to this article. The first finding came after analyzing urbanization Houston from 1997 to 2016:

If a neighborhood was adding college educated and employed residents or adding owner-occupied homes with higher overall home values, then it was more likely to be urbanizing rapidly — and adding impervious surfaces.

The second finding came after looking at the overall layout of Houston’s urban land, "not just the recent changes, but impervious surfaces created at any time":

Instead of socioeconomic status driving urbanization, we found that neighborhoods with more white residents tended to have higher levels of impervious surfaces. This was true in both 1997 and 2016, meaning that the new 1,000 square kilometers of urbanization didn’t change the overall trend.

So, the understanding of the social dynamics driving urban expansion changes depending whether the changes are evaluated over space or over time. This key distinction informs the authors' call for a new approach to land use and development in the face of the environmental threats presented by climate change.

Full Story:
Published on Monday, October 5, 2020 in Rice Kinder Institute for Urban Research: The Urban Edge
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