Geir Evensen

Geir Evensen

Forsker I
Telefon: +47 51 87 56 15
Mobil: +47 930 90 947
Epost: geev@norceresearch.no
Kontoradresse: Nygårdsgaten 112, 5008 Bergen, Norway

Aktuelt

COLOURBOX22282226
Nyhet
30. jun. 2020

Kan varsle covid-19 og vurdere virkning av smittetiltak
IMG 5346
Nyhet
07. feb. 2020

Avanserte metoder for reservoarforståelse har gitt økt utvinning

Prosjekter

Prosjekt

DIGIRES

Publikasjoner

Data Assimilation Fundamentals: A Unified Formulation of the State and Parameter Estimation Problem
Springer 2022
Subspace Ensemble Randomized Maximum Likelihood with Local Analysis for Time-Lapse-Seismic-Data Assimilation
SPE Journal 2021
A STUDY OF DISPROPORTIONATELY AFFECTED POPULATIONS BY RACE/ETHNICITY DURING THE SARS-COV-2 PANDEMIC USING MULTI-POPULATION SEIR MODELING AND ENSEMBLE DATA ASSIMILATION
Foundations of Data Science (FoDS) 2021
p-Kernel Stein Variational Gradient Descent for Data Assimilation and History Matching
Mathematical Geosciences 2021
Formulating the history matching problem with consistent error statistics
Computational Geosciences 2021
Handling Big Models and Big Data Sets in History-Matching Problems through an Adaptive Local Analysis Scheme
SPE Journal 2020
An international initiative of predicting the SARS-CoV-2 pandemic using ensemble data assimilation
Foundations of Data Science (FoDS) 2020
4D seismic history matching: Assessing the use of a dictionary learning based sparse representation method
Journal of Petroleum Science and Engineering 2020
Efficient Implementation of an Iterative Ensemble Smoother for Data Assimilation and Reservoir History Matching
Frontiers in Applied Mathematics and Statistics 2019
Revising the stochastic iterative ensemble smoother
Nonlinear processes in geophysics 2019
Sparse Representation of 4D Seismic Signal Based on Dictionary Learning
2019
Accounting for model errors in iterative ensemble smoothers
Computational Geosciences 2019
Introducing Stochastic Model Errors In Ensemble-Based History Matching
2018
Correlation-Based Adaptive Localization for Ensemble-Based History Matching: Applied To the Norne Field Case Study
SPE Reservoir Evaluation and Engineering 2018
Data assimilation in the geosciences: An overview of methods, issues, and perspectives
Wiley Interdisciplinary Reviews: Climate Change (WIRESs) 2018
History Matching Using an Iterative Ensemble Smoother with Correlation-Based Adaptive Localization - A Real Field Case Study
2018
Conditioning reservoir models on rate data using ensemble smoothers
Computational Geosciences 2018
Correlation-Based Adaptive Localization for Ensemble-Based History Matching: Applied to the Norne Field Case Study
2018
Analysis of iterative ensemble smoothers for solving inverse problems
Computational Geosciences 2018
Forecasting non-linear systems with the Ensemble Kalman Filter and related data assimilation methods (eVITA-EnKF)
Nansen Senter for Miljø og Fjernmåling 2011
Asynchronous data assimilation with the EnKF
Tellus. Series A, Dynamic meteorology and oceanography 2010
Structural Surface Uncertainty Modeling and Updating Using the Ensemble Kalman Filter
SPE Journal 2010
The Ensemble Kalman Filter for Combined State and Parameter Estimation MONTE CARLO TECHNIQUES FOR DATA ASSIMILATION IN LARGE SYSTEMS
Control Systems Magazine 2009
Forecasting non-linear systems with the Ensemble Kalman Filter and related data assimilation methods (eVITA-EnKF)
Nansen Environmental and Remote Sensing Center (NERSC) 2009
History Matching Using the Ensemble Kalman Filter on a North Sea Field Case
SPE Journal 2008
Incorporating 4D seismic data in reservoir simulation models using ensemble Kalman filter
SPE Journal 2007
Coastal Physical and Biochemical Processes
2006
The impact of ensemble filter definition on the assimilation of temperature profiles in the tropical Pacific
Quarterly Journal of the Royal Meteorological Society 2005
Monitoring the Norwegian Coastal Zone Environment (MONCOZE)
2003
Developing a Marine Information System by Integrating Existing Ocean Models Using Object-Oriented Technology
Marine Geodesy 2003
Indian Ocean: Validation of the Miami Isopycnic Coordinate Ocean Model and ENSO events during 1958-1998
Journal of Geophysical Research (JGR) 2002
Mesoscale modelling study of the oceanographic conditions off the southwest coast of India
Indian Academy of Science(Earth and Planetary Science) 2002
A singular evolutive extended Kalman filter to assimilate ocean colour data in a coupled physical-biogeochemical model for the North Atlantic
Ocean Modelling 2001
Satellite earth observation in operational oceanography
Coastal Engineering 2000
Coordinate Transformation on a Sphere Using Conformal Mapping
Monthly Weather Review 1999
A review of the possible applications of earth observations data within EuroGOOS. Review book proceedings from "The First International Conference on EuroGOOS"
Elsevier Sciences Ltd 1997
Monitoring and modeling of the marine coastal environment
Photogrammetric Engineering and Remote Sensing 1993