The safe development paradox of the United States regulatory floodplain.
In the United States, requirements for flood insurance, development restrictions, and federal buyout program eligibility rely on regulatory designation of hazardous zones, i.e., inside or outside the 100-year floodplain. Extensive research has investigated floodplain development patterns across diff...
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| Format: | Article |
| Language: | English |
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Public Library of Science (PLoS)
2024-01-01
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| Series: | PLoS ONE |
| Online Access: | https://doi.org/10.1371/journal.pone.0311718 |
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| author | Georgina M Sanchez Margaret A Lawrimore Anna Petrasova John B Vogler Elyssa L Collins Vaclav Petras Truffaut Harper Emma J Butzler Ross K Meentemeyer |
| author_facet | Georgina M Sanchez Margaret A Lawrimore Anna Petrasova John B Vogler Elyssa L Collins Vaclav Petras Truffaut Harper Emma J Butzler Ross K Meentemeyer |
| author_sort | Georgina M Sanchez |
| collection | DOAJ |
| description | In the United States, requirements for flood insurance, development restrictions, and federal buyout program eligibility rely on regulatory designation of hazardous zones, i.e., inside or outside the 100-year floodplain. Extensive research has investigated floodplain development patterns across different geographies, times, and scales, yet the impacts, and potential unintended consequences, of floodplain policies beyond their boundaries have not been empirically examined. We posit that the regulatory 100-year floodplain presents a "safe development paradox", whereby attempts to reduce flood risk paradoxically intensifies it by promoting development in and near flood-prone areas. We conducted the first comprehensive national assessment of historical and future development patterns related to the regulatory 100-year floodplain, examining the spatial distribution of developed land within increasingly distant 250-m zones from floodplain boundaries. We found a disproportionate concentration of developed land (24% or 89,080 km2 of developed land by 2019) in zones immediately adjacent to the floodplain, a trend observed at the national, state, and county levels. Nationwide projections suggest that approximately 22% of all anticipated growth from 2020 to 2060 is likely to occur within 250 m from the 100-year floodplain, equivalent to 6,900 km2 of new development (SD = 2,842 km2). Understanding and anticipating the influence of flood management policies on current and future land use decisions is crucial for effective planning and mitigation strategies. |
| format | Article |
| id | doaj-art-17bbb11fe4db4e99b5379e14611bd393 |
| institution | Kabale University |
| issn | 1932-6203 |
| language | English |
| publishDate | 2024-01-01 |
| publisher | Public Library of Science (PLoS) |
| record_format | Article |
| series | PLoS ONE |
| spelling | doaj-art-17bbb11fe4db4e99b5379e14611bd3932025-01-08T05:32:18ZengPublic Library of Science (PLoS)PLoS ONE1932-62032024-01-011912e031171810.1371/journal.pone.0311718The safe development paradox of the United States regulatory floodplain.Georgina M SanchezMargaret A LawrimoreAnna PetrasovaJohn B VoglerElyssa L CollinsVaclav PetrasTruffaut HarperEmma J ButzlerRoss K MeentemeyerIn the United States, requirements for flood insurance, development restrictions, and federal buyout program eligibility rely on regulatory designation of hazardous zones, i.e., inside or outside the 100-year floodplain. Extensive research has investigated floodplain development patterns across different geographies, times, and scales, yet the impacts, and potential unintended consequences, of floodplain policies beyond their boundaries have not been empirically examined. We posit that the regulatory 100-year floodplain presents a "safe development paradox", whereby attempts to reduce flood risk paradoxically intensifies it by promoting development in and near flood-prone areas. We conducted the first comprehensive national assessment of historical and future development patterns related to the regulatory 100-year floodplain, examining the spatial distribution of developed land within increasingly distant 250-m zones from floodplain boundaries. We found a disproportionate concentration of developed land (24% or 89,080 km2 of developed land by 2019) in zones immediately adjacent to the floodplain, a trend observed at the national, state, and county levels. Nationwide projections suggest that approximately 22% of all anticipated growth from 2020 to 2060 is likely to occur within 250 m from the 100-year floodplain, equivalent to 6,900 km2 of new development (SD = 2,842 km2). Understanding and anticipating the influence of flood management policies on current and future land use decisions is crucial for effective planning and mitigation strategies.https://doi.org/10.1371/journal.pone.0311718 |
| spellingShingle | Georgina M Sanchez Margaret A Lawrimore Anna Petrasova John B Vogler Elyssa L Collins Vaclav Petras Truffaut Harper Emma J Butzler Ross K Meentemeyer The safe development paradox of the United States regulatory floodplain. PLoS ONE |
| title | The safe development paradox of the United States regulatory floodplain. |
| title_full | The safe development paradox of the United States regulatory floodplain. |
| title_fullStr | The safe development paradox of the United States regulatory floodplain. |
| title_full_unstemmed | The safe development paradox of the United States regulatory floodplain. |
| title_short | The safe development paradox of the United States regulatory floodplain. |
| title_sort | safe development paradox of the united states regulatory floodplain |
| url | https://doi.org/10.1371/journal.pone.0311718 |
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