Index Catalog // ScholarsArchive@OSU

The influence of mesoscale eddies on the detection of quasi-zonal jets in the ocean

Creator:: Schlax, Michael G. and Chelton, Dudley B.
Abstract:: Westward propagating Gaussian eddies with statistical characteristics estimated from altimeter observations but with purely random starting locations and times produce striated features in time-averaged maps of zonal velocity. The striations in these simulations have magnitudes and meridional scales comparable to those reported from time-averaged altimeter observations and model output in...
Resource Type:: Article
Full Text:: of quasi-zonal jets in the ocean Michael G. Schlax1 and Dudley B. Chelton1 Received 15 September

The Accuracies of Smoothed Sea Surface Height Fields Constructed from Tandem Satellite Altimeter Datasets

Creator:: Chelton, Dudley B. and Schlax, Michael G.
Abstract:: A technique previously developed for assessing the effects of sampling errors on sea surface height (SSH) fields constructed from satellite altimeter data is extended to include measurement errors, thus providing estimates of the total mean-squared error of the SSH fields. The measurement error contribution becomes an important consideration with the...
Resource Type:: Article
Full Text:: B. CHELTON AND MICHAEL G. SCHLAX College of Oceanic and Atmospheric Sciences, Oregon State

The Accuracies of Crossover and Parallel-Track Estimates of Geostrophic Velocity from TOPEX/Poseidon and Jason Altimeter Data

Creator:: Schlax, Michael G. and Chelton, Dudley B.
Abstract:: Mean-squared errors of surface geostrophic velocity estimates from the crossover and parallel-track methods are calculated for altimeters in the Ocean Topography Experiment (TOPEX)/Poseidon and Jason orbits. As part of the crossover method analysis, the filtering properties and errors of cross-track speed estimates are examined. Velocity estimates from both the crossover...
Resource Type:: Article
Full Text:: Altimeter Data MICHAEL G. SCHLAX AND DUDLEY B. CHELTON College of Oceanic and Atmospheric Sciences, Oregon

Sampling Errors in Wind Fields Constructed from Single and Tandem Scatterometer Datasets

Creator:: Schlax, Michael G., Chelton, Dudley B., and Freilich, Michael H.
Abstract:: Sampling patterns and sampling errors from various scatterometer datasets are examined. Four single and two tandem scatterometer mission scenarios are considered. The single scatterometer missions are ERS (with a single, narrow swath), NSCAT and ASCAT (dual swaths), and QuikSCAT (a single, broad swath obtained from the SeaWinds instrument). The two...
Resource Type:: Article
Full Text:: Errors in Wind Fields Constructed from Single and Tandem Scatterometer Datasets MICHAEL G. SCHLAX

Summertime Coupling between Sea Surface Temperature and Wind Stress in the California Current System

Creator:: Chelton, Dudley B., Schlax, Michael G., and Samelson, Roger M.
Abstract:: Satellite observations of wind stress and sea surface temperature (SST) are analyzed to investigate ocean–atmosphere interaction in the California Current System (CCS). As in regions of strong SST fronts elsewhere in the World Ocean, SST in the CCS region is positively correlated with surface wind stress when SST fronts are...
Resource Type:: Article
Full Text:: , Oregon MICHAEL G. SCHLAX College of Oceanic and Atmospheric Sciences, Oregon State University

Summertime Influence of SST on Surface Wind Stress off the U.S. West Coast from the U.S. Navy COAMPS Model

Creator:: Haack, Tracy, Chelton, Dudley, Pullen, Julie, Doyle, James D., and Schlax, Michael
Abstract:: High-resolution mesoscale model sea surface temperature (SST) analyses and surface wind stress forecasts off the U.S. West Coast are analyzed on monthly time scales for robust signatures of air–sea interaction as the surface winds encounter ocean surface features such as SST fronts, filaments, and eddies. This interaction is manifest by...
Resource Type:: Article
Full Text:: Laboratory, Monterey, California MICHAEL SCHLAX College of Oceanic and Atmospheric Sciences, Oregon State

Global observations of large oceanic eddies

Creator:: Chelton, Dudley B., Schlax, Michael C., Samelson, Roger M., and de Szoeke, Roland A.
Abstract:: Ten years of sea-surface height (SSH) fields constructed from the merged TOPEX/Poseidon (T/P) and ERS-1/2 altimeter datasets are analyzed to investigate mesoscale variability in the global ocean. The higher resolution of the merged dataset reveals that more than 50% of the variability over much of the World Ocean is accounted...
Resource Type:: Article
Full Text:: B. Chelton,1 Michael G. Schlax,1 Roger M. Samelson,1 and Roland A. de Szoeke1 Received 26 May 2007

Satellite Microwave SST Observations of Transequatorial Tropical Instability Waves

Creator:: Chelton, Dudley B., Wentz, Frank J., Genremann, Chelle L., de Szoeke, Roland A., and Schlax, Michael G.
Abstract:: Satellite measurements of sea-surface temperature (SST) by the TRMM Microwave Imager reveal previously unreported features of tropical instability waves (TIWs). In the Pacific, TIW-related variability is observed from the eastern boundary to at least 160°E. Cusp-shaped distortions of SST fronts and associated trains of anticyclonic vortices both north and south...
Resource Type:: Article
Full Text:: Frank J. Wentz 2, Chelle L. Genremann 2, Roland A. de Szoeke and Michael G. Schlax Abstract

Observations of Coupling between Surface Wind Stress and Sea Surface Temperature in the Eastern Tropical Pacific

Creator:: Chelton, Dudley B., Esbensen, Steven K., Schlax, Michael G., Thum, Nicolai, Freilich, Michael H., Wentz, Frank J., Gentemann, Chelle L., McPhaden, Michael J., and Schopf, Paul S.
Abstract:: Satellite measurements of surface wind stress from the QuikSCAT scatterometer and sea surface temperature (SST) from the Tropical Rainfall Measuring Mission Microwave Imager are analyzed for the three-month period 21 July–20 October 1999 to investigate ocean–atmosphere coupling in the eastern tropical Pacific. Oceanic tropical instability waves (TIWs) with periods of...
Resource Type:: Article
Full Text:: . SCHLAX, NICOLAI THUM, AND MICHAEL H. FREILICH College of Oceanic and Atmospheric Sciences, Oregon State

A satellite-derived climatology of global ocean winds

Creator:: Risien, Craig Miller
Abstract:: A satellite-derived Climatology of Global Ocean Winds (COGOW) on a 0.5° latitude by 0.5° latitude grid is presented based on 5-years (August 1999 July 2004) of measurements from the SeaWinds scatterometer that was launched on 19 June 1999 onboard the QuikSCAT satellite. SeaWinds is an active microwave radar that estimates...
Resource Type:: Masters Thesis
Full Text:: members of my committee, Dr. James Good, Dr. Michael Freilich and Dr. Stanley Gregory, as well as NOAA

ScholarsArchive@OSU

The influence of mesoscale eddies on the detection of quasi-zonal jets in the ocean

The Accuracies of Smoothed Sea Surface Height Fields Constructed from Tandem Satellite Altimeter Datasets

The Accuracies of Crossover and Parallel-Track Estimates of Geostrophic Velocity from TOPEX/Poseidon and Jason Altimeter Data

Sampling Errors in Wind Fields Constructed from Single and Tandem Scatterometer Datasets

Summertime Coupling between Sea Surface Temperature and Wind Stress in the California Current System

Summertime Influence of SST on Surface Wind Stress off the U.S. West Coast from the U.S. Navy COAMPS Model

Global observations of large oceanic eddies

Satellite Microwave SST Observations of Transequatorial Tropical Instability Waves

Observations of Coupling between Surface Wind Stress and Sea Surface Temperature in the Eastern Tropical Pacific

A satellite-derived climatology of global ocean winds

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