Dr. Holger Brix

Holger Brix

New Technologies
Head of Department
Phone: +49 (0)4152 87-1523
Fax: +49 (0)4152 87-1525
E-mail contact

  • Coastal observing systems and their use in data assimilation models
  • Study of coastal phenomena in context of their influence on global processes and budgets
  • Study of natural versus anthropogenic variability of global biogeochemical cycles using observational data and numerical models of varying complexity and spatial extent
  • Investigation of drivers of oxygen minimum zone variability under recent and climate change scenarios
  • Regional case studies (e.g. coastal ocean, upwelling regions) of physical and chemical atmosphere-ocean interactions and their influence on sub-surface ocean physics, chemistry, and biology
  • Evaluating and developing numerical ocean models using satellite data constraints (especially sea surface temperature, surface winds, and ocean colour products), and self-organizing ecosystem structures

Research


  • Scientific Manager, Department Head New Technologies, and Lead Project Manager COSYNA (Coastal Observing System for Nordic and Arctic Seas) Helmholtz-Zentrum Geesthacht, Institute of Coastal Research, Geesthacht, Germany
    2014 - present
    • Coordination of multi-institutional research activities in the North Sea
    • Development and adaptation of physical and biogeochemical models for the North and Baltic Seas.
    • Validation and application of models to assimilate measurements
    • Design and development of a concept for “the Global Coast”, including versatile measurement platforms and numerical models
  • Assistant Researcher, Department of Atmospheric and Oceanic Sciences and Joint Institute for Regional Earth System Science and Engineering University of California, Los Angeles, Los Angeles, CA
    2006 - 2013
    • Development of a coupled ocean-ecosystem model as part of a NASA Carbon Monitoring System pilot study
    • Numerical analysis of oxygen minimum zones and their variability
    • Theoretical analysis of mechanisms governing the observed high variability in subsurface ocean biogeochemical quantities on interannual to decadal time-scales
    • Numerical analysis of biogeochemical variability in modewaters (observations and numerical models) with emphasis on atmospheric drivers and signal transmission in the ocean interior
    • Combined satellite data and model analysis of sea surface temperatures, heat budgets, and ocean currents.
    • Eddy detection from satellite data (altimetry and sea surface temperatures)
  • Postdoctoral Research Institute of Geophysics and Planetary Physics, University of California, Los Angeles, Los Angeles, CA
    2001 - 2006 (research advisor: Nicolas Gruber)
    • Development of a conceptual model for biological remineralization and export for different marine environments using data from oceanic time series stations and numerical models of varying complexity
    • Analysis of seasonal, interannual, and decadal variability of biogeochemical cycles in the subtropic and subpolar gyres.
    • Implementation and coupling of a prognostic multi-functional group ecosystem model to a general ocean circulation model
  • Doctoral Research Alfred Wegener Institute for Polar and Marine Research, Bremerhaven, Germany
    1997 - 2001 (research advisors: Rüdiger Gerdes and Dirk Olbers)
    • Investigation of interhemispheric interactions in the Atlantic Ocean performing response experiments with a coupled ocean-sea ice model (MOM-2)
    • Analysis of the sensitivity of the global ocean circulation to variability in salinity and wind stress forcing
    • Modification and development of a regional sea-ice model for use with a global ocean circulation model
  • Diploma/Masters Research Max Planck Institute for Meteorology, Hamburg, Germany
    1996 - 1997 (research advisor: Hans Graf)
    • Analysis of teleconnection patterns and atmospheric precursors to the build-up of the equatorial warm pool during El Niño events (data and modeling)
    • Reconstruction of general weather patterns during the Laacher See volcanic eruption in approx. 10,900 B.C. and localization of corresponding circulation patterns in atmospheric circulation model runs

Teaching


  • Adjunct Assistant Professor Department of Atmospheric and Oceanic Sciences, University of California, Los Angeles, CA
    2006 - 2013
    • Climate Change: From Puzzles to Policies
    • Introduction to Atmospheric Environment
    • Physical Oceanography
    • Introduction to Chemical Oceanography
    • California’s Ocean
    • Directed Research in Atmospheric and Oceanic Sciences
    • Teaching Apprentice Practicum
  • Docent Los Angeles County Underwater Instructor Training Course, Carson, CA
    2009
    • Introduction to Oceanography
  • Docent Cruising Classroom Program for K-12 and college students, UCLA Seaworld,
    Marina del Rey, CA
    2005 - 2008
    • Seawater Chemistry
  • Public Programs Docent UCLA Ocean Discovery Center, Santa Monica, CA
    2002 - 2004
    • Ocean Biology and Environmental Science
  • Teaching Assistant University of Bremen, Germany
    1998
    • Dynamic Oceanography and Meteorology
  • Teaching Assistant and Revision of Lectures University of Hamburg, Germany
    1996
    • Dynamic Meteorology