Projects per year
Personal profile
Research interests
I am a Research Associate at the University of Bristol within the Global Mass team (globalmass.eu). We are combining information about different contributions to sea-level variability in a Bayesian Hierarchical Model framework to better understand the sea-level budget at a local and regional scale. I am leading the Oceans work package, which uses tide gauge, satellite altimetry and steric sea surface data sets. Understanding the treatment of these data and in particular, the quantification of uncertainties, is imperative in gaining useful information on the components of sea-level variability.
I am interested is a range of earth science fields that contribute to sea-level change; ice sheet mass balance, geodesy, gravitational change, physical oceanography (dynamics, circulation changes, propogation of disturbances, high frequency variability such as tides, oceanic waves and storm surge). I use traditional and statistical / machine learning methods and am particularly interested in how we define and deal with intrinsic noise and stochasticity in time series.
Structured keywords and research groupings
- GlobalMass
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Projects
- 1 Active
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GlobalMass: Global ice and ocean mass trends
Bates, P. D., Bingham, R. J., Chuter, S. J., Hofer, S., Llovell, W., Martin Espanol, A., Rougier, J. C., Schumacher, M., Sha, Z., Westaway, R. M., Royston, S. J., Vishwakarma, B. D., Bamber, J. L., Brady, A., Ziegler, Y., Abele, A. K. & Lehmann, F.
1/08/16 → 31/07/22
Project: Research
Research output
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Can we resolve the basin-scale sea-level trend budget from GRACE ocean mass?
Royston, S. J., Vishwakarma, B. D., Westaway, R. M., Rougier, J., Sha, Z. & Bamber, J. L., 9 Jan 2020, In: Journal of Geophysical Research: Oceans. 125, 1, 16 p., e2019JC015535.Research output: Contribution to journal › Article (Academic Journal) › peer-review
Open AccessFile -
Sea level budgets should account for ocean bottom deformation
Vishwakarma, B. D., Royston, S., Riva, R. E. M., Westaway, R. M. & Bamber, J. L., 16 Feb 2020, In: Geophysical Research Letters. 47, 3, 10 p., e2019GL086492.Research output: Contribution to journal › Article (Academic Journal) › peer-review
Open AccessFile -
Using GRACE ocean mass to close the sea level budget at varying spatial scales
Royston, S. J., Vishwakarma, B. D., Westaway, R. M., Rougier, J., Sha, Z. & Bamber, J. L., 13 Dec 2019.Research output: Contribution to conference › Conference Poster
Open Access
Activities
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A revised sea level budget equation to accurately represent physical processes driving sea level rise
Bramha Dutt Vishwakarma (Speaker), Sam J Royston (Contributor), R. E. M. Riva (Contributor), Richard M Westaway (Contributor) & Jonathan L Bamber (Contributor)
4 May 2020Activity: Talk or presentation types › Public talk, debate, discussion
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Robustness of a basin-scale sea level budget
Sam J Royston (Speaker), Bramha Dutt Vishwakarma (Contributor), Zhe Sha (Contributor), Richard M Westaway (Contributor), Jonathan L Bamber (Contributor) & Jonty Rougier (Contributor)
14 May 2019Activity: Talk or presentation types › Public talk, debate, discussion
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A first observation driven estimate of Ocean Bottom Deformation: updating the Sea Level Budget
Richard Westaway (Contributor), Bramha Dutt Vishwakarma (Speaker), Sam Royston (Contributor) & Jonathan Bamber (Contributor)
9 Apr 2019Activity: Talk or presentation types › Public talk, debate, discussion