7fcde7 square The Department of Oceanography at the University of Hawaii at Manoa, SOEST
Brian Powell

Asst. Professor

Department of Oceanography, 
University of Hawai`i at Manoa, 
1000 Pope Road, 
Marine Sciences Building, 
Honolulu, HI 96822
Phone: (808) 956-6724 
Fax: (808) 956-2352

E-mail: powellb@hawaii.edu

 

Education

  • Ph.D. 2005 - Aerospace Eng. (specialty Physical Oceanography), University
    of Colorado
  • M.S. 2000 - Computer Science, University of Colorado
  • B.S. 1993 - Aerospace Engineering, University of Colorado

Research Interests

  • Numerical Modeling & Variational Data Assimilation
  • Ocean Prediction & Predictability
  • Ocean Ecosystem Dynamics
  • Ocean Observing Systems
  • Ocean Dynamics & Stability Analysis

Teaching Activites

  • OCN 681 - Introduction to BioPhysical Ocean Modeling
  • GG 312 - Geomathematics
  • OCN 760 - Special Topics in Physical Oceanography

Research and Lab Website

Selected Publications:

Powell, B.S., I. Janekovic, G. S. Carter, and M. Merrifield: "Sensitivity of Internal Tide Generation in Hawaii", in press Geo. Res. Let., 2012.

Matthews, D, B. S. Powell, and I. Janekovic: "Analysis of Four-dimensional Variational State Estimation of the Hawaiian Waters", J. Geophys. Res., 117(C03013), 2012.

I. Janekovic and B. S. Powell: "Analysis of Imposing Tidal Dynamics to Nested Numerical Models", Cont. Shelf Res., 34:30--40, 2012.

Matthews, D., B. S. Powell, and R. Milliff: "Dominant Variability and Spatial Scales from Observations around the Hawaiian Islands", Deep Sea Res., 58:979--987, 2011.

Powell, B. S., A. Moore, H. Arango, E. Di Lorenzo, R. Milliff, and R. R. Leben: "Near real-time Assimilation and Prediction in the Intra-Americas Sea with the Regional Ocean Modeling System (ROMS)", Dynam. Atmos. Oceans, 48:46--68, 2009.

Powell, B. S. and A. Moore: "Estimating the 4DVAR Analysis Error of GODAE Products", Ocean Dynam., 59:121--138, 2009.

Broquet, G., C. A. Edwards, A. Moore, B. S. Powell, M. Veneziani, and J. D. Doyle: "Application of 4D-Variational data assimilation to the California Current System", Dynam. Atmos. Oceans, 48:69--92, 2009.

Powell, B. S., H. Arango, A. Moore, E. Di Lorenzo, R. Milliff, and D. Foley: "4DVAR Data Assimilation in the Intra-Americas Sea with the Regional Ocean Modeling System (ROMS)", J. Ocean Mod., 23:130--145, 2008.

E. D. Lorenzo, A. M. Moore, H. G. Arango, B. D. Cornuelle, A. J. Miller, B. S. Powell, B. S. Chua, and A. F. Bennett: "Weak and Strong Constraint Data Assimilation in the inverse Regional Ocean Modeling System (ROMS): development and application for a baroclinic coastal upwelling system." J. Ocean Mod., 16:160--187, 2007.

Powell, B. S., R. R. Leben, and N. L. Guinasso: ``Comparison of Buoy and Altimeter-derived Shelf Currents using an Optimal Operator'' Geosci. Remote Sens. Let., 3:192--196, 2006.

Powell, B. S., and R. R. Leben: ``An optimal filter for geostrophic mesoscale currents from along-track satellite altimetry.'' J. Oceanic and Atmos. Tech., 21:1633--1642, 2004.

Leben, R. R. and B. S. Powell: ``Accuracy assessment of Jason-1 and TOPEX/Poseidon along-track sea surface slope.'' Marine Geodesy, 26:355--366, 2003.