Results 21 to 30 of about 8,344 (235)

On the uncertainty associated with detecting global and local mean sea level drifts on Sentinel-3A and Sentinel-3B altimetry missions [PDF]

Ocean Science, 2022
An instrumental drift in the point target response (PTR) parameters has been detected on the Copernicus Sentinel-3A altimetry mission. It will affect the accuracy of sea level sensing, which could result in errors in sea level change estimates of a few ...
R. Jugier, M. Ablain, R. Fraudeau, A. Guerou, P. Féménias   +4 more
doaj   +1 more source

Sea level budget over 2005–2013: missing contributions and data errors [PDF]

Ocean Science, 2015
Based on the sea level budget closure approach, this study investigates the residuals between observed global mean sea level (GMSL) and the sum of components (steric sea level and ocean mass) for the period January 2005 to December 2013. The objective is
H. B. Dieng, A. Cazenave, K. von Schuckmann, M. Ablain, B. Meyssignac   +4 more
doaj   +1 more source

Improved sea level record over the satellite altimetry era (1993–2010) from the Climate Change Initiative project [PDF]

Ocean Science, 2015
Sea level is one of the 50 Essential Climate Variables (ECVs) listed by the Global Climate Observing System (GCOS) in climate change monitoring.
M. Ablain, A. Cazenave, G. Larnicol, M. Balmaseda, P. Cipollini, Y. Faugère, M. J. Fernandes, O. Henry, J. A. Johannessen, P. Knudsen, O. Andersen, J. Legeais, B. Meyssignac, N. Picot, M. Roca, S. Rudenko, M. G. Scharffenberg, D. Stammer, G. Timms, J. Benveniste   +19 more
doaj   +1 more source

Seasonal global water mass budget and mean sea level variations [PDF]

Geophysical Research Letters, 1998
Analysis of TOPEX/Poseidon satellite altimeter data indicates that the global mean sea level variation has a clear seasonal signal with an amplitude of about 2 to 3 mm, along with a long term drift. This seasonal variation is associated with mass redistribution within the global hydrological cycle plus steric thermal contributions.
Chen, J. L., Wilson, C. R., Chambers, D. P., Nerem, R. S., Tapley, B. D.   +4 more
openaire   +2 more sources

Global sea level variations from altimetry, GRACE and Argo data over 2005–2014

Geodesy and Geodynamics, 2015
Total sea level variations (SLVs) are caused by two major components: steric variations due to thermal expansion of seawater, and mass-induced variations due to mass exchange between ocean and land.
Wei Feng, Min Zhong
doaj   +1 more source

Assessing the globally averaged sea level budget on seasonal to interannual timescales [PDF]

Journal of Geophysical Research: Oceans, 2008
Analysis of ocean temperature and salinity data from profiling floats along with satellite measurements of sea surface height and the time variable gravity field are used to investigate the causes of global mean sea level rise between mid‐2003 and mid‐2007. The observed interannual and seasonal fluctuations in sea level can be explained as the sum of a
Willis, Josh K., Chambers, D., Nerem, R Steven   +2 more
openaire   +3 more sources

A Consistent Sea-Level Reconstruction and Its Budget on Basin and Global Scales over 1958–2014 [PDF]

Journal of Climate, 2018
AbstractDifferent sea level reconstructions show a spread in sea level rise over the last six decades and it is not yet certain whether the sum of contributors explains the reconstructed rise. Possible causes for this spread are, among others, vertical land motion at tide-gauge locations and the sparse sampling of the spatially variable ocean.
Frederikse, Thomas, Jevrejeva, Svetlana, Riva, Riccardo E.M., Dangendorf, Sönke   +3 more
openaire   +5 more sources

Evaluation of the Global Mean Sea Level Budget Between 1993 and 2014

Surveys in Geophysics, 2016
Evaluating global mean sea level (GMSL) in terms of its components—mass and steric—is useful for both quantifying the accuracy of the measurements and understanding the processes that contribute to GMSL rise. In this paper, we review the GMSL budget over two periods—1993 to 2014 and 2005 to 2014—using multiple data sets of both total GMSL and the ...
Chambers, Don P., Cazenave, Anny, Champollion, Nicolas, Dieng, Habib, Llovel, William, Forsberg, Rene, von Schuckmann, Karina, Wada, Yoshihide   +7 more
openaire   +2 more sources

The certitude of a global sea level acceleration during the satellite altimeter era

Journal of Geodetic Science, 2020
Recent studies reported a uniform global sea level acceleration during the satellite altimetry era (1993–2017) by analyzing globally averaged satellite altimetry measurements.
İz H. Bâki, Shum C.K.
doaj   +1 more source

Projections of 21st century sea level rise for the coast of South Africa

Environmental Research Communications, 2022
As a result of planetary heating, global mean sea level has increased since the end of the 19th century. Sea level rise is accelerating and will continue to rise over the 21st century and beyond.
Lesley C Allison, Matthew D Palmer, Ivan D Haigh   +2 more
doaj   +1 more source