Time and Tide Wait for No Man

Andrew C. Kemp*, Benjamin P. Horton

*Corresponding author for this work

Research output: Chapters, Conference Papers, Creative and Literary WorksRGC 12 - Chapter in an edited book (Author)peer-review

Abstract

Relative sea level is the difference in height between the coast and sea surface. It changes across space and through time in response to many different physical processes operating on a range of scales. Using an example from North Carolina, USA, we introduce some of these key processes and explore how their importance varies on timescales from hours (e.g., hurricanes and tides) to millennia (e.g., ongoing subsidence of the coast). Below the salt marshes of North Carolina (and elsewhere) are sequences of sediment that that accumulated over thousands of years and record relative sea-level changes. Geologists collect this sediment, establish its age and interrogate it to understand when and how relative sea level changed long before people began to make systematic measurements. This research shows that the rate of rise during the twentieth century was without precedent in ~2000 years. © The Editor(s) (if applicable) and The Author(s), under exclusive license to Springer Nature Switzerland AG 2021.
Original languageEnglish
Title of host publicationTroubled Waters
Subtitle of host publicationUnderstanding the Science Behind our Coastal Crisis
EditorsStephen J. Culver
Place of PublicationCham
PublisherSpringer 
Pages33-53
ISBN (Electronic)978-3-030-52383-1
ISBN (Print)978-3-030-52385-5
DOIs
Publication statusPublished - 2020
Externally publishedYes

Publication series

NameSpringer Climate
ISSN (Print)2352-0698
ISSN (Electronic)2352-0701

Funding

Acknowledgments Funding for reconstructing relative sea-level change in North Carolina came from the National Science Foundation, the National Oceanic and Atmospheric Administration, and the University of Pennsylvania. We would like to thank our wonderful colleagues at East Carolina University (in particular Steve Culver, Dave Mallinson, Stan Riggs, Dorothea Ames, and Reide Corbett) for inviting us to work closely with them to understand the recent geological history of the Outer Banks and for being so welcoming and supportive of us over the past 15 years. We are also grateful to our colleagues who offered their time and hard work during fieldwork campaigns in North Carolina including Andrea Hawkes, Matthew Wright, Candace Grand-Pre, and Simon Engelhart.

Research Keywords

  • Fieldwork
  • Foraminifera
  • Isostasy
  • North Carolina
  • Outer Banks
  • Relative sea level
  • Salt marsh

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