Searched for: author:"Riva, R.E.M."
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Kleinherenbrink, M. (author), Riva, R.E.M. (author), Frederikse, T. (author)

Tide gauge (TG) records are affected by vertical land motion (VLM), causing them to observe relative instead of geocentric sea level. VLM can be estimated from global navigation satellite system (GNSS) time series, but only a few TGs are equipped with a GNSS receiver. Hence, (multiple) neighboring GNSS stations can be used to estimate VLM at...

journal article 2018
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Frederikse, T. (author), Jevrejeva, Svetlana (author), Riva, R.E.M. (author), Dangendorf, Sönke (author)

Different 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. To...

journal article 2018
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van Westen, René M. (author), Dijkstra, Henk A. (author), Klees, R. (author), Riva, R.E.M. (author), Slobbe, D.C. (author), van der Boog, C.G. (author), Katsman, C.A. (author), Candy, A.S. (author), Pietrzak, J.D. (author), Zijlema, M. (author), James, Rebecca K. (author), Bouma, Tjeerd J. (author)

The Yucatan Channel connects the Caribbean Sea with the Gulf of Mexico and is the main outflow region of the Caribbean Sea. Moorings in the Yucatan Channel show high-frequent variability in kinetic energy (50–100 days) and transport (20–40 days), but the physical mechanisms controlling this variability are poorly understood. In this study, we...

journal article 2018
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Frieler, Katja (author), Lange, Stefan (author), Piontek, Franziska (author), Reyer, Christopher P.O. (author), Schewe, Jacob (author), Warszawski, Lila (author), Zhao, Fang (author), Chini, Louise (author), Denvil, Sebastien (author), Emanuel, Kerry (author), Geiger, Tobias (author), Halladay, Kate (author), Hurtt, George (author), Mengel, Matthias (author), Murakami, Daisgbre (author), Ostberg, Sebastian (author), Popp, Alexander (author), Riva, R.E.M. (author), Stevanovic, Miodrag (author), SuzGBRi, Tatsuo (author), Volkholz, Jan (author), Burke, Eleanor (author), Ciais, Philippe (author), Ebi, Kristie (author), Eddy, Tyler D. (author), Elliott, Joshua (author), Galbraith, Eric (author), Gosling, Simon N. (author), Hattermann, Fred (author), Hickler, Thomas (author), Hinkel, Jochen (author), Hof, Christian (author), Huber, Veronika (author), Jägermeyr, Jonas (author), Krysanova, Valentina (author), Marcé, Rafael (author), Müller Schmied, Hannes (author), Mouratiadou, Ioanna (author), Pierson, Don (author), Tittensor, Derek P. (author), Vautard, Robert (author), Van Vliet, Michelle (author), Biber, Matthias F. (author), Betts, Richard A. (author), Leon Bodirsky, Benjamin (author), Deryng, Delphine (author), Frolking, Steve (author), Jones, Chris D. (author), Lotze, Heike K. (author), Lotze-Campen, Hermann (author), Sahajpal, Ritvik (author), Thonicke, Kirsten (author), Tian, Hanqin (author), Yamagata, Yoshiki (author)

In Paris, France, December 2015, the Conference of the Parties (COP) to the United Nations Framework Convention on Climate Change (UNFCCC) invited the Intergovernmental Panel on Climate Change (IPCC) to provide a <q>special report in 2018 on the impacts of global warming of 1.5ĝ€°C above pre-industrial levels and related global...

journal article 2017
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Frederikse, T. (author), Riva, R.E.M. (author), King, A. Matt (author)

Present-day mass redistribution increases the total ocean mass and, on average, causes the ocean bottom to subside elastically. Therefore, barystatic sea level rise is larger than the resulting global mean geocentric sea level rise, observed by satellite altimetry and GPS-corrected tide gauges. We use realistic estimates of mass...

journal article 2017
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Sun, Y. (author), Ditmar, P.G. (author), Riva, R.E.M. (author)

In this study, we develop a methodology to estimate monthly variations in degree-1 andC20 coefficients by combing Gravity Recovery and Climate Experiment (GRACE) data withoceanic mass anomalies (combination approach).With respect to the method by Swenson et al.,the proposed approach exploits noise covariance information of both...

journal article 2017
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Kleinherenbrink, M. (author), Riva, R.E.M. (author), Frederikse, T. (author), Merrifield, Mark (author), Wada, Yoshihide (author)

The mass and steric components of sea level changes have been separated in the Tropical Asian Seas (TAS) using a statistically optimal combination of Jason satellite altimetry, GRACE satellite gravimetry, and ocean reanalyses. Using observational uncertainties, statistically optimally weighted time series for both components have been...

journal article 2017
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Frederikse, T. (author), Simon, K.M. (author), Katsman, C.A. (author), Riva, R.E.M. (author)

Sea-level rise and decadal variability along the northwestern coast of the North Atlantic Ocean are studied in a self-consistent framework that takes into account the effects of solid-earth deformation and geoid changes due to large-scale mass redistribution processes. Observations of sea and land level changes from tide gauges and GPS are...

journal article 2017
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Riva, R.E.M. (author), Frederikse, T. (author), King, A. Matt (author), Marzeion, Ben (author), van den Broeke, Michiel R. (author)

Melting glaciers, ice caps and ice sheets have made an important contribution to sea-level rise through the last century. Self-attraction and loading effects driven by shrinking ice masses cause a spatially varying redistribution of ocean waters that affects reconstructions of past sea level from sparse observations. We model the solid-earth...

journal article 2017
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Riddell, Anna R. (author), King, A. Matt (author), Watson, Christopher S. (author), Sun, Y. (author), Riva, R.E.M. (author), Rietbroek, Roelof (author)

Uncertainty in the geocenter position and its subsequent motion affects positioning estimates on the surface of the Earth and downstream products such as site velocities, particularly the vertical component. The current version of the International Terrestrial Reference Frame, ITRF2014, derives its origin as the long-term averaged center of...

journal article 2017
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Richter, Kristin (author), Marzeion, Ben (author), Riva, R.E.M. (author)

We investigate the spatial scales that are necessary to detect an externally forced signal in regional sea level within a selected fixed time period. Detection on a regional scale is challenging due to the increasing magnitude of unforced variability in dynamic sea level on progressingly smaller spatial scales. Using unforced control...

journal article 2017
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Hashemi Farahani, H. (author), Ditmar, P.G. (author), Miragaia Gomes Inacio, P. (author), Didova, O. (author), Gunter, B.C. (author), Klees, R. (author), Guo, X. (author), Guo, Jing (author), Sun, Y. (author), Liu, Xianglin (author), Zhao, Qile (author), Riva, R.E.M. (author)
We present a high resolution model of the linear trend in the Earth’s mass variations based on DMT-2 (Delft Mass Transport model, release 2). DMT-2 was produced primarily from K-Band Ranging (KBR) data of the Gravity Recovery And Climate Experiment (GRACE). It comprises a time series of monthly solutions complete to spherical harmonic degree 120...
journal article 2017
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Sun, Y. (author), Riva, R.E.M. (author), Ditmar, P.G. (author)
The focus of the study is optimizing the technique for estimating geocenter motion and variations in J2 by combining data from the Gravity Recovery and Climate Experiment (GRACE) satellite mission with output from an Ocean Bottom Pressure model and a Glacial Isostatic Adjustment (GIA) model. First, we conduct an end-to-end numerical simulation...
journal article 2016
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Frederikse, T. (author), Riva, R.E.M. (author), Kleinherenbrink, M. (author), Wada, Yoshihide (author), van den Broeke, Michiel (author), Marion, Ben (author)
Long-term trends and decadal variability of sea level in the North Sea and along the Norwegian coast have been studied over the period 1958–2014. We model the spatially nonuniform sea level and solid earth response to large-scale ice melt and terrestrial water storage changes. GPS observations, corrected for the solid earth deformation, are used...
journal article 2016
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Didova, O. (author), Gunter, B.C. (author), Riva, R.E.M. (author), Klees, R. (author), Rose-Koerner, Lutz (author)
There has been considerable research in the literature focused on computing and forecasting sea-level changes in terms of constant trends or rates. The Antarctic ice sheet is one of the main contributors to sea-level change with highly uncertain rates of glacial thinning and accumulation. Geodetic observing systems such as the Gravity Recovery...
journal article 2016
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Frederikse, T. (author), Riva, R.E.M. (author), Slobbe, D.C. (author), Broerse, D.B.T. (author), Verlaan, M. (author)

One of the primary observational data sets of sea level is represented by the tide gauge record. We propose a new method to estimate variability on decadal time scales from tide gauge data by using a state space formulation, which couples the direct observations to a predefined state space model by using a Kalman filter. The model consists of...

journal article 2016
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Kleinherenbrink, M. (author), Riva, R.E.M. (author), Sun, Y. (author)
. In this study, for the first time, an attempt is made to close the sea level budget on a sub-basin scale in terms of trend and amplitude of the annual cycle. We also compare the residual time series after removing the trend, the semiannual and the annual signals. To obtain errors for altimetry and Argo, full variance–covariance matrices are...
journal article 2016
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Dangendorf, S. (author), Marcos, M. (author), Muller, A (author), Zorita, E. (author), Riva, R.E.M. (author), Berk, K. (author), Jensen, J (author)
While there is scientific consensus that global and local mean sea level (GMSL and LMSL) has risen since the late nineteenth century, the relative contribution of natural and anthropogenic forcing remains unclear. Here we provide a probabilistic upper range of long-term persistent natural GMSL/LMSL variability (P=0.99), which in turn, determines...
journal article 2015
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Broerse, D.B.T. (author), Riva, R.E.M. (author), Simons, W.J.F. (author), Govers, R. (author), Vermeersen, L.L.A. (author)
More than 7 years of observations of postseismic relaxation after the 2004 Sumatra-Andaman earthquake provide an improving view on the deformation in the wide vicinity of the 2004 rupture. We include both Gravity Recovery and Climate Experiment (GRACE) gravity field data that show a large postseismic signal over the rupture area and GPS...
journal article 2015
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Grinsted, A. (author), Jevrejeva, S. (author), Riva, R.E.M. (author), Dahl-Jensen, D. (author)
Sea level rise poses a significant threat to coastal communities, infrastructure, and ecosystems. Sea level rise is not uniform globally but is affected by a range of regional factors. In this study, we calculate regional projections of 21st century sea level rise in northern Europe, focusing on the British Isles, the Baltic Sea, and the North...
journal article 2015
Searched for: author:"Riva, R.E.M."
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