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Linking residential saltwater intrusion risk perceptions to physical exposure of climate change impacts in rural coastal communities of North Carolina

Publication ,  Journal Article
Bhattachan, A; Jurjonas, MD; Morris, PR; Taillie, PJ; Smart, LS; Emanuel, RE; Seekamp, EL
Published in: Natural Hazards
July 15, 2019

The salinization of freshwater-dependent coastal ecosystems precedes inundation by sea level rise. This type of saltwater intrusion places communities, ecosystems, and infrastructure at substantial risk. Risk perceptions of local residents are an indicator to gauge public support for climate change adaptation planning. Here, we document residential perspectives on the present and future threats posed by saltwater intrusion in a rural, low-lying region in coastal North Carolina, and we compare the spatial distribution of survey responses to physical landscape variables such as distance to coastline, artificial drainage density, elevation, saltwater intrusion vulnerability, and actual salinity measured during a synoptic field survey. We evaluate and discuss the degree of alignment or misalignment between risk perceptions and metrics of exposure to saltwater intrusion. Risk perceptions align well with the physical landscape characteristics, as residents with greater exposure to saltwater intrusion, including those living on low-lying land with high concentrations of artificial drainages, perceive greater risk than people living in low-exposure areas. Uncertainty about threats of saltwater intrusion is greatest among those living at higher elevations, whose properties and communities are less likely to be exposed to high salinity. As rising sea levels, drought, and coastal storms increase the likelihood of saltwater intrusion in coastal regions, integrated assessments of risk perceptions and physical exposure are critical for developing outreach activities and planning adaptation measures.

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Published In

Natural Hazards

DOI

EISSN

1573-0840

ISSN

0921-030X

Publication Date

July 15, 2019

Volume

97

Issue

3

Start / End Page

1277 / 1295

Related Subject Headings

  • Strategic, Defence & Security Studies
  • 3709 Physical geography and environmental geoscience
  • 1701 Psychology
  • 0406 Physical Geography and Environmental Geoscience
  • 0401 Atmospheric Sciences
 

Citation

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Bhattachan, A., Jurjonas, M. D., Morris, P. R., Taillie, P. J., Smart, L. S., Emanuel, R. E., & Seekamp, E. L. (2019). Linking residential saltwater intrusion risk perceptions to physical exposure of climate change impacts in rural coastal communities of North Carolina. Natural Hazards, 97(3), 1277–1295. https://doi.org/10.1007/s11069-019-03706-0
Bhattachan, A., M. D. Jurjonas, P. R. Morris, P. J. Taillie, L. S. Smart, R. E. Emanuel, and E. L. Seekamp. “Linking residential saltwater intrusion risk perceptions to physical exposure of climate change impacts in rural coastal communities of North Carolina.” Natural Hazards 97, no. 3 (July 15, 2019): 1277–95. https://doi.org/10.1007/s11069-019-03706-0.
Bhattachan A, Jurjonas MD, Morris PR, Taillie PJ, Smart LS, Emanuel RE, et al. Linking residential saltwater intrusion risk perceptions to physical exposure of climate change impacts in rural coastal communities of North Carolina. Natural Hazards. 2019 Jul 15;97(3):1277–95.
Bhattachan, A., et al. “Linking residential saltwater intrusion risk perceptions to physical exposure of climate change impacts in rural coastal communities of North Carolina.” Natural Hazards, vol. 97, no. 3, July 2019, pp. 1277–95. Scopus, doi:10.1007/s11069-019-03706-0.
Bhattachan A, Jurjonas MD, Morris PR, Taillie PJ, Smart LS, Emanuel RE, Seekamp EL. Linking residential saltwater intrusion risk perceptions to physical exposure of climate change impacts in rural coastal communities of North Carolina. Natural Hazards. 2019 Jul 15;97(3):1277–1295.
Journal cover image

Published In

Natural Hazards

DOI

EISSN

1573-0840

ISSN

0921-030X

Publication Date

July 15, 2019

Volume

97

Issue

3

Start / End Page

1277 / 1295

Related Subject Headings

  • Strategic, Defence & Security Studies
  • 3709 Physical geography and environmental geoscience
  • 1701 Psychology
  • 0406 Physical Geography and Environmental Geoscience
  • 0401 Atmospheric Sciences