Contents

Notice ii
Acknowledgments iii
Workshop Participants iv
Preface 1

Part I. Background Papers

The Importance of COADS Winds for Understanding Climate Change
(J. 0. Fletcher) 4
COADS Project Report I: Update Plans and Unresolved Issues
(S.D.Woodruff) 12
COADS Project Report II: Early Data Digitization and United States Code History
(J. D. Elms) 29
Part II. Evaluation of Long-Term Changes
Near-Global MSLP Since 1871: A Source for COADS Wind Validation
(R. J Allan) 38
Marine Surface Winds Changes During 1978-1992: An Estimation Based on COADS
(H. F. Diaz, X Quan and C Fu) 48
Trends in Marine Surface Wind Speed: Ocean Weather Stations versus Voluntary Observing Ships
(H.-J. Isemer) 68
Testing Winds Against Other Variables from COADS
(D. V. Hansen and H. F. Bezdek) 85
Dynamical Constraints for the Analysis of Sea Level Pressure and Surface Winds Over the World Ocean
(Y. Kushnir and A. Kaplan) 91
Near-Surface Wind, SLP and SST: Some Inter-relationships and a Set of Corrections for Wind Trends 1949-1988
(M. N. Ward) 102
Part III. Accuracy of Wind Measurements
Comparison of COADS Winds with SNMC Climatology and Measurements in the North Atlantic
(S. K. Gulev) 121
The Accuracy of Wind Observations from Ships
(P. K Taylor, E. Kent, M. Yelland, and B. Moat) 132
On problems using archived marine wind data: The relation between Beaufort estimations, encoded wind speeds, and real wind speeds
(H. Schmidt) 156
Standard Error Estimation of COADS Monthly Mean Winds
(M. L. Morrissey and J. A. Maliekal) 165
Effects of Different Wind Stress Climatologies on the North Atlantic Circulation: Model results
(C. W. Böning) 171
Part IV. Applications and Data Improvements
Use of COADS Wind Data in Wave Hindcasting and Statistical Analysis
(V. R. Swail) 179
Scales of Coastal Wind Variability Addressed by COADS Wind Summaries in 2 Square Areas
(F. A. Godshall, H. A. Walker and S. C. Cayula) 187
Wind Speed Discontinuity Related to Beaufort Wind Observations and Its Influences on Latent Heat Flux
(Z. Wu and K. Li) 212
A New Beaufort Equivalent Scale
(R. Lindau) 232
Time Dependent Calibration of Marine Beaufort Estimates Using Individual Pressure Differences
(R. Lindau) 253
Toward a Revised Beaufort Equivalent Scale
(A. M. da Silva, C. C. Young and S. Levitus) 270
The Effect of a Revised Beaufort Equivalent Scale on Momentum and Heat Fluxes over the Global Oceans
(C. C. Young, A. M. da Silva and S. Levitus) 287