Document Type

Article

Publication Date

2016

DOI

10.1002/2016GL070552

Publication Title

Geophysical Research Letters

Volume

43

Issue

19

Pages

10,403-10,411

Abstract

Ocean dynamics, land motion, and changes in Earth's gravitational and rotational fields cause local sea level change to deviate from the rate of global mean sea level rise. Here we use observations and simulations of spatial structure in sea level change to estimate the likelihood that these processes cause sea level trends in the longest and highest-quality tide gauge records to be systematically biased relative to the true global mean rate. The analyzed records have an average twentieth century rate of approximately 1.6 mm/yr, but based on the locations of these gauges, we show that the simple average underestimates the twentieth century global mean rate by 0.1 ± 0.2 mm/yr. Given the distribution of potential sampling biases, we find that

Rights

© American Geophysical Union

Permission to Deposit an article in an institutional repository adopted by council 13 December 2009.

Original Publication Citation

Thompson, P. R., Hamlington, B. D., Landerer, F. W., & Adhikari, S. (2016). Are long tide gauge records in the wrong place to measure global mean sea level rise? Geophysical Research Letters, 43(19), 10,403-410,411. doi:10.1002/2016GL070552

ORCID

0000-0002-2315-6425 (Hamlington)

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