World's Best Scientists 2026 revealed!

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Engineering and Technology

D-Index
41
Citations
7497
World Ranking
6905
National Ranking
436

Research.com Recognitions

  • 2014 - SIAM Fellow For contributions to the numerical analysis of systems, control, and data assimilation.

Overview

Nancy Nichols is affiliated with the University of Reading in the United Kingdom. Their research contributions primarily focus on environmental science and earth and planetary sciences, with a strong emphasis on subfields such as global and planetary change, atmospheric science, automotive engineering, aerospace engineering, and water science and technology.

The main topics of their work include meteorological phenomena and simulations, climate variability and models, advanced aircraft design and technologies, vehicle emissions and performance, air traffic management and optimization, hydrology and watershed management studies, and atmospheric and environmental gas dynamics.

Among recent papers authored or co-authored by Nichols are:

  • A new multivariable benchmark for Last Glacial Maximum climate simulations, 2020, Climate of the Past
  • Reducing transatlantic flight emissions by fuel-optimised routing, 2020, Environmental Research Letters
  • Assimilation of probabilistic flood maps from SAR data into a coupled hydrologic-hydraulic forecasting model: a proof of concept, 2021, Hydrology and Earth System Sciences
  • The role of cross-domain error correlations in strongly coupled 4D-Var atmosphere-ocean data assimilation, 2020, Quarterly Journal of the Royal Meteorological Society
  • A Tempered Particle Filter to Enhance the Assimilation of SAR-Derived Flood Extent Maps Into Flood Forecasting Models, 2022, Water Resources Research

Frequent co-authors in Nichols' publications include Amos S. Lawless, Cathie A. Wells, Paul D. Williams, Dante Kalise, and Ian Poll.

Nicols' work has appeared repeatedly in venues such as the Quarterly Journal of the Royal Meteorological Society, arXiv (Cornell University), Numerical Linear Algebra with Applications, Climate of the Past, and Environmental Research Letters.

In recognition of contributions to numerical analysis in the areas of systems, control, and data assimilation, Nichols was named a SIAM Fellow in 2014.

Best Publications

  • Robust pole assignment in linear state feedback

    J Kautsky;Nancy Nichols;P M Van Dooren

  • On the representation error in data assimilation

    T. Janjic;N. Bormann;M. Bocquet;J. A. Carton

  • Approximate Gauss-Newton Methods for Nonlinear Least Squares Problems

    S. Gratton;A. S. Lawless;N. K. Nichols

  • Numerical computation of an analytic singular value decomposition of a matrix valued function

    Angelika Bunse-Gerstner;Ralph Byers;Volker Mehrmann;Nancy K. Nichols

  • Unbiased ensemble square root filters

    David M. Livings;Sarah L. Dance;Nancy K. Nichols

  • Eigenstructure assignment in descriptor systems

    L. Fletcher;J. Kautsky;N. Nichols

  • Regularization of descriptor systems by derivative and proportional state feedback

    Angelika Bunse-Gerstner;Volker Mehrmann;Nancy K. Nichols

  • A singular vector perspective of 4D‐Var: Filtering and interpolation

    Christine Johnson;Brian J. Hoskins;Nancy K. Nichols

  • Assimilation of data into an ocean model with systematic errors near the equator

    M. J. Bell;M. J. Martin;N. K. Nichols

  • Duality, observability, and controllability for linear time-varying descriptor systems

    Stephen L. Campbell;Nancy K. Nichols;William J. Terrell

  • Correlated observation errors in data assimilation

    L. M. Stewart;S. L. Dance;N. K. Nichols

  • Robust eigenstructure assignment in quadratic matrix polynomials: Nonsingular case

    Nancy K. Nichols;Jaroslav Kautsky

  • Feedback design for regularizing descriptor systems

    Angelika Bunse-Gerstner;Ralph Byers;Ralph Byers;Volker Mehrmann;Volker Mehrmann;Volker Mehrmann;Nancy K. Nichols;Nancy K. Nichols

  • Robust pole assignment in singular control systems

    J. Kautsky;Nancy Nichols;E.K.-W. Chu

  • On the Convergence of Two-Stage Iterative Processes for Solving Linear Equations

    Nancy K. Nichols

  • Analytic Benchmark Solutions for Open-Channel Flows

    I. MacDonald;Michael Baines;Nancy Nichols;P. G. Samuels

  • Data assimilation with correlated observation errors: experiments with a 1-D shallow water model

    Laura M. Stewart;Sarah L. Dance;Nancy K. Nichols

  • Regularization of descriptor systems by output feedback

    A. Bunse-Gerstner;V. Mehrmann;N.K. Nichols

  • Equidistributing Meshes with Constraints

    J. Kautsky;N. K. Nichols

  • Estimating interchannel observation-error correlations for IASI radiance data in the Met Office system†

    L. M. Stewart;Sarah L. Dance;Nancy K. Nichols;J. R. Eyre

  • Adjoint Methods in Data Assimilation for Estimating Model Error

    A. K. Griffith;Nancy Nichols

Frequent Co-Authors

Volker Mehrmann
Volker Mehrmann Technical University of Berlin
David C. Mason
David C. Mason University of Reading
Matthew Martin
Matthew Martin Met Office
Sandy P. Harrison
Sandy P. Harrison University of Reading
Brian J. Hoskins
Brian J. Hoskins University of Reading
Ralph Byers
Ralph Byers University of Kansas
Tristan Quaife
Tristan Quaife University of Reading
Guo-Ping Liu
Guo-Ping Liu Southern University of Science and Technology
Chris Budd
Chris Budd University of Bath
Francisco J. Doblas-Reyes
Francisco J. Doblas-Reyes Barcelona Supercomputing Center

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