Cited by 283Flood Risk Assessment and ManagementEnvironmental Justice and Health DisparitiesDisaster Management and Resilience

Mapping urban risk: Flood hazards, race, & environmental justice in New York

Open access
Maantay, Juliana, Maroko, Andrew·2009·Applied Geography

Abstract

This paper demonstrates the importance of disaggregating population data aggregated by census tracts or other units, for more realistic population distribution/location. A newly-developed mapping method, the Cadastral-based Expert Dasymetric System (CEDS), calculates population in hyper-heterogeneous urban areas better than traditional mapping techniques. A case study estimating population potentially impacted by flood hazard in New York City compares the impacted population determined by CEDS with that derived by centroid-containment method and filtered areal weighting interpolation. Compared to CEDS, 37 percent and 72 percent fewer people are estimated to be at risk from floods city-wide, using conventional areal weighting of census data, and centroid-containment selection, respectively. Undercounting of impacted population could have serious implications for emergency management and disaster planning. Ethnic/racial populations are also spatially disaggregated to determine any environmental justice impacts with flood risk. Minorities are disproportionately undercounted using traditional methods. Underestimating more vulnerable sub-populations impairs preparedness and relief efforts.

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Research works printed but not linked: 7

  1. Coch NK 1994 Hurricane hazards in the Northeast U.S Journal of Coastal Research, Special Issue 12 115 147
  2. Federal Emergency Management Agency (FEMA) 1983 The 100-year base flood standard and the floodplain management executive order: A review Prepared for the Office of Management and Budget Washington DC U.S. Printing Office
  3. Goltz JD Russell LA Bourque LB 1992 Initial behavioral response to a rapid onset disaster: a case study International Journal of Mass Emergencies and Disasters 10 1 43 69
  4. Holloway SR Schumacher J Redmond RL 1999 People and place: Dasymetric mapping using Arc/Info Morain S GIS Solutions in Natural Resource Management 283 291 Santa Fe, NM OnWord Press
  5. Maantay JA Ziegler J 2006 Geographic information systems for the urban environment Redlands, CA Environmental Systems Research Institute Press
  6. Mitchell JK 1999 Crucibles of Hazard: Megacities and disasters in transition United Nations University Press Tokyo
  7. Sleeter R 2004 Dasymetric mapping techniques for the San Francisco Bay region, California Urban and Regional Information Systems Association Annual Conference Proceedings Reno, Nevada November 7–10, 2004

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Authors
Maantay, J., & Maroko, A.
Affiliations
The Graduate Center, CUNY (US)
Corresponding author
Maantay, Juliana
Venue
Applied Geography
Publisher
Elsevier BV
Published
2009-01
Volume
29
Issue
1
Pages
111-124
ISSN
0143-6228 (ISSN-L)
OpenAlex
W1965301779
Cited by
283
References
38
Citations by year
2026: 12 · 2025: 18 · 2024: 20 · 2023: 28 · 2022: 33 · 2021: 29 · 2020: 20 · 2019: 20 · 2018: 19 · 2017: 13 · 2016: 11 · 2015: 9 · 2014: 12 · 2013: 12 · 2012: 7
FWCI
6.00
Type
journal article
Language
en
Open access
Locations
  • Applied Geography (publishedVersion)
  • PubMed (publishedVersion)
  • PubMed Central (acceptedVersion)
Funders
  • National Institutes of Health
  • National Oceanic and Atmospheric Administration
  • National Institute of Environmental Health Sciences (R25ES011085)
Topics
  • Physical Sciences › Environmental Science › Global and Planetary Change › Flood Risk Assessment and Management
  • Social Sciences › Sociology and Political Science › Environmental Justice and Health Disparities
  • Social Sciences › Sociology and Political Science › Disaster Management and Resilience
Keywords
urban flood risk, environmental justice, racial disparities, population disaggregation, dasymetric mapping, flood hazard mapping, disaster preparedness, New York City

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