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Analyzing the Effects of Short-Term Persistence and Shift in Sea Level Records along the US Coast

1
School of Civil, Environmental and Infrastructure Engineering, Southern Illinois University, Carbondale, IL 62901, USA
2
FTN Associates, Ltd., 3 Innwood Cir # 220, Little Rock, AR 72211, USA
3
Department of Civil Engineering, California State Polytechnic University Pomona, Pomona, CA 91768, USA
4
Civil and Environmental Consultants, Inc., 600 Marketplace Avenue, Suite 200, Bridgeport, WV 26330, USA
*
Author to whom correspondence should be addressed.
Hydrology 2021, 8(1), 17; https://doi.org/10.3390/hydrology8010017
Received: 11 December 2020 / Revised: 16 January 2021 / Accepted: 22 January 2021 / Published: 26 January 2021
Is sea level change affected by the presence of autocorrelation and abrupt shift? This question reflects the importance of trend and shift detection analysis in sea level. The primary factor driving the global sea level rise is often related to climate change. The current study investigates the changes in sea level along the US coast. The sea level records of 59 tide gauge data were used to evaluate the trend, shift, and persistence using non-parametric statistical tests. Mann-Kendall and Pettitt’s tests were utilized to estimate gradual trends and abrupt shifts, respectively. The study also assessed the presence of autocorrelation in sea level records and its effect on both trend and shift was examined along the US coast. The presence of short-term persistence was found in 57 stations and the trend significance of most stations was not changed at a 95% confidence level. Total of 25 stations showed increasing shift between 1990–2000 that was evaluated from annual sea level records. Results from the current study may contribute to understanding sea level variability across the contiguous US. This study extends an elaborative understanding of sea level trends and shifts which might be useful for water managers. View Full-Text
Keywords: persistence; trend; shift; sea level variability; water management persistence; trend; shift; sea level variability; water management
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MDPI and ACS Style

Joshi, N.; Kalra, A.; Thakur, B.; Lamb, K.W.; Bhandari, S. Analyzing the Effects of Short-Term Persistence and Shift in Sea Level Records along the US Coast. Hydrology 2021, 8, 17. https://doi.org/10.3390/hydrology8010017

AMA Style

Joshi N, Kalra A, Thakur B, Lamb KW, Bhandari S. Analyzing the Effects of Short-Term Persistence and Shift in Sea Level Records along the US Coast. Hydrology. 2021; 8(1):17. https://doi.org/10.3390/hydrology8010017

Chicago/Turabian Style

Joshi, Neekita, Ajay Kalra, Balbhadra Thakur, Kenneth W. Lamb, and Swastik Bhandari. 2021. "Analyzing the Effects of Short-Term Persistence and Shift in Sea Level Records along the US Coast" Hydrology 8, no. 1: 17. https://doi.org/10.3390/hydrology8010017

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