A high-resolution study of tides in the Delaware Bay: Past conditions and future scenarios

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  • Tides in the Delaware Bay (USA) have been modeled from 7000 years before present (7 ka) to the present day and for selected future sea-level rise scenarios (100 years, 300 years). Historic bathymetries were constructed through use of glacial isostatic adjustment models and a very high spatial resolution (< 100 m) was used at the shoreline. Future bathymetries were obtained by extrapolating these glacial isostatic adjustment models and applying an additional eustatic sea-level rise. It was found that tides in the lower bay have remained fairly constant through time but that tides in the upper bay have increased steadily from about 4 ka to the present day; a nearly 100% increase in total. The future runs demonstrated spatially complex behavior with tidal-range changes of up to 10%. Citation: Hall, G. F., D. F. Hill, B. P. Horton, S. E. Engelhart, and W. R. Peltier (2013), A high-resolution study of tides in the Delaware Bay: Past conditions and future scenarios, Geophys. Res. Lett., 40, 338-242, doi:10.1029/2012GL054675.
  • Keywords: Rise, Variability, Atlantic coast, Ocean tides, Surface, Amplification, Sea level changes, Last glacial maximum, United States, Holocene
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  • Hall, G., Hill, D., Horton, B., Engelhart, S., & Peltier, W. (2013). A high-resolution study of tides in the delaware bay: Past conditions and future scenarios. Geophysical Research Letters, 40(2), 338-342. doi:10.1029/2012GL054675
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  • 40
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  • 2
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  • This work used the Extreme Science and Engineering Discovery Environment, which is supported by National Science Foundation grant number OCI-1053575. Additional project support came from NSF grants EAR-0717364, EAR-1052848, and EAR-0951686, NICRR grant DE-FC02-06ER64298, NOAA grant NA11OAR4310101, NSERC Discovery Grant A9627, and the USDA Forest Service Global Change Research Program of the Northern Research Station. This paper is a contribution to PALSEA and IGCP Project 588.
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