reference : Increased threat of tropical cyclones and coastal flooding to New York City during the anthropogenic era

JSON YAML text HTML Turtle N-Triples JSON Triples RDF+XML RDF+JSON Graphviz SVG
Bibliographic fields
reftype Journal Article
Abstract In a changing climate, future inundation of the United States’ Atlantic coast will depend on both storm surges during tropical cyclones and the rising relative sea levels on which those surges occur. However, the observational record of tropical cyclones in the North Atlantic basin is too short (A.D. 1851 to present) to accurately assess long-term trends in storm activity. To overcome this limitation, we use proxy sea level records, and downscale three CMIP5 models to generate large synthetic tropical cyclone data sets for the North Atlantic basin; driving climate conditions span from A.D. 850 to A.D. 2005. We compare pre-anthropogenic era (A.D. 850–1800) and anthropogenic era (A.D.1970–2005) storm surge model results for New York City, exposing links between increased rates of sea level rise and storm flood heights. We find that mean flood heights increased by ∼1.24 m (due mainly to sea level rise) from ∼A.D. 850 to the anthropogenic era, a result that is significant at the 99% confidence level. Additionally, changes in tropical cyclone characteristics have led to increases in the extremes of the types of storms that create the largest storm surges for New York City. As a result, flood risk has greatly increased for the region; for example, the 500-y return period for a ∼2.25-m flood height during the pre-anthropogenic era has decreased to ∼24.4 y in the anthropogenic era. Our results indicate the impacts of climate change on coastal inundation, and call for advanced risk management strategies.
Author Reed, Andra J.; Mann, Michael E.; Emanuel, Kerry A.; Lin, Ning; Horton, Benjamin P.; Kemp, Andrew C.; Donnelly, Jeffrey P.
DOI 10.1073/pnas.1513127112
Date October 13, 2015
Issue 41
Journal Proceedings of the National Academy of Sciences of the United States of America
Pages 12610-12615
Title Increased threat of tropical cyclones and coastal flooding to New York City during the anthropogenic era
Volume 112
Year 2015
Bibliographic identifiers
.reference_type 0
_record_number 19972
_uuid 8a3b0b9a-fc45-4ea2-b732-90222ff624ba