FROM THE GUEST EDITORS • SPURS-2: Salinity Processes in the Upper-Ocean Regional Study 2 – The Eastern Equatorial Pacific Experiment
By Eric J. Lindstrom, James B. Edson, Julian J. Schanze, and Andrey Y. Shcherbina

Patterns of SSS Variability in the Eastern Tropical Pacific: Intraseasonal to Interannual Timescales from Seven Years of NASA Satellite Data
By Oleg Melnichenko, Peter Hacker, Frederick M. Bingham, and Tong Lee

On the Factors Driving Upper-Ocean Salinity Variability at the Western Edge of the Eastern Pacific Fresh Pool
By J. Thomas Farrar and Albert J. Plueddemann

SIDEBAR. Upper-Ocean Salinity Stratification During SPURS-2
By Janet Sprintall

Observations of Large-Scale Rainfall, Wind, and Sea Surface Salinity Variability in the Eastern Tropical Pacific
By Stephen C. Riser, Jie Yang, and Robert Drucker

Deployment of the SEA-POL C-band Polarimetric Radar to SPURS-2
By Steven A. Rutledge, V. Chandrasekar, Brody Fuchs, Jim George, Francesc Junyent, Patrick Kennedy, and Brenda Dolan

High-Resolution Rain Maps from an X-band Marine Radar and Their Use in Understanding Ocean Freshening
By Elizabeth J. Thompson, William E. Asher, Andrew T. Jessup, and Kyla Drushka

Observations of Near-Surface Salinity and Temperature Structure with Dual-Sensor Lagrangian Drifters During SPURS-2
By Denis L. Volkov, Shenfu Dong, Gregory R. Foltz, Gustavo Goni, and Rick Lumpkin

Capturing Fresh Layers with the Surface Salinity Profiler
By Kyla Drushka, William E. Asher, Andrew T. Jessup, Elizabeth J. Thompson, Suneil Iyer, and Dan Clark

Effects of Rainfall on the Atmosphere and the Ocean During SPURS-2
By Carol Anne Clayson, James B. Edson, Aaron Paget, Raymond Graham, and Benjamin Greenwood

Rain and Sun Create Slippery Layers in the Eastern Pacific Fresh Pool
By Andrey Y. Shcherbina, Eric A. D’Asaro, and Ramsey R. Harcourt

Estimating Rain-Generated Turbulence at the Ocean Surface Using the Active Controlled Flux Technique
By William E. Asher, Kyla Drushka, Andrew T. Jessup, Elizabeth J. Thompson, and Dan Clark

Novel and Flexible Approach to Access the Open Ocean: Uses of Sailing Research Vessel Lady Amber During SPURS-2
By Luc Rainville, Luca R. Centurioni, William E. Asher, Carol Anne Clayson, Kyla Drushka, James B. Edson, Benjamin A. Hodges, Verena Hormann, J. Thomas Farrar, Julian J. Schanze, and Andrey Y. Shcherbina

Comparing Air-Sea Flux Measurements from a New Unmanned Surface Vehicle and Proven Platforms During the SPURS-2 Field Campaign
By Dongxiao Zhang, Meghan F. Cronin, Christian Meinig, J. Thomas Farrar, Richard Jenkins, David Peacock, Jennifer Keene, Adrienne Sutton, and Qiong Yang

Multiscale Simulation, Data Assimilation, and Forecasting in Support of the SPURS-2 Field Campaign
By Zhijin Li, Frederick M. Bingham, and Peggy P. Li

The SPURS-2 Eastern Tropical Pacific Field Campaign Data Collection
By Frederick M. Bingham, Vardis Tsontos, Annette deCharon, Carla Jean Lauter, and Lisa Taylor

Air-Sea-Land Forcing in the Gulf of Tonkin: Assessing Seasonal Variability Using Modern Tools
By Peter Rogowski, Javier Zavala-Garay, Kipp Shearman, Eric Terrill, John Wilkin, and Tran Hong Lam

BREAKING WAVES • Rapid Climate-Driven Circulation Changes Threaten Conservation of Endangered North Atlantic Right Whales
By Nicholas R. Record, Jeffrey A. Runge, Daniel E. Pendleton, William M. Balch, Kimberley T.A. Davies, Andrew J. Pershing, Catherine L. Johnson, Karen Stamieszkin, Rubao Ji, Zhixuan Feng, Scott D. Kraus, Robert D. Kenney, Christy A. Hudak, Charles A. Mayo, Changsheng Chen, Joseph E. Salisbury, and Cameron R.S. Thompson

Sustainability in Deep Water: The Challenges of Climate Change, Human Pressures, and Biodiversity Conservation
By Lisa A. Levin

QUARTERDECK • Open Access and More
By Ellen S. Kappel

FROM THE PRESIDENT • Where is the Ocean in Global Policy Discussions?
By Martin Visbeck

TOS NEWS • Announcing the TOS Ethics Committee
By Richard W. Murray and Jennifer Ramarui

COMMENTARY • The 2 Out of 3 Rule for Authorship
By Heidi M. Dierssen

RIPPLE MARKS • New Lifeblood for Atlantic Horseshoe Crabs
By Cheryl Lyn Dybas

CAREER PROFILES • Options and Insights
Career profiles—Options and Insights. 2019. Oceanography 32(2):181–183.

TOS NEWS • Congratulations to the New TOS Fellows
Congratulations to the New TOS Fellows. 2019. Oceanography 32(2):184.

James Edson, Woods Hole Oceanographic Institution
Eric Lindstrom, NASA Headquarters
Julian Schanze, Earth & Space Research
Andrey Shcherbina, University of Washington

Production of this issue of Oceanography was supported by NASA.