INTRODUCTION TO THE SPECIAL ISSUE • Russian-American Long-term Census of the Arctic: RUSALCA
By Kathleen Crane and Aleksey Ostrovskiy

The Climate of the Pacific Arctic During the First RUSALCA Decade 2004–2013
By Kevin R. Wood , Jia Wang , Sigrid A. Salo, and Phyllis J. Stabeno

Assessing Ocean Acidification Variability in the Pacific-Arctic Region as Part of the Russian-American Long-term Census of the Arctic
By Nicholas R. Bates

A Synthesis of Year-Round Interdisciplinary Mooring Measurements in the Bering Strait (1990–2014) and the RUSALCA Years (2004–2011)
By Rebecca A. Woodgate , Kathleen M. Stafford, and Fredrick G. Prahl

The Relationship Between Patterns of Benthic Fauna and Zooplankton in the Chukchi Sea and Physical Forcing
By Maria N. Pisareva, Robert S. Pickart , Katrin Iken , Elizaveta A. Ershova, Jacqueline M. Grebmeier, Lee W. Cooper, Bodil A. Bluhm, Carolina Nobre, Russell R. Hopcroft, Haoguo Hu , Jia Wang, Carin J. Ashjian , Ksenia N. Kosobokova, and Terry E. Whitledg

Abundance and Production Rates of Heterotrophic Bacterioplankton in the Context of Sediment and Water Column Processes in the Chukchi Sea
By Lee W. Cooper, Alexander S. Savvichev, and Jacqueline M. Grebmeier

Long-Term Changes in Summer Zooplankton Communities of the Western Chukchi Sea, 1945–2012
By Elizaveta A. Ershova, Russell R. Hopcroft, Ksenia N. Kosobokova, Kohei Matsuno , R. John Nelson , Atsushi Yamaguchi , and Lisa B. Eisner

Time-Series Benthic Community Composition and Biomass and Associated Environmental Characteristics in the Chukchi Sea During the RUSALCA 2004–2012 Program
By Jacqueline M. Grebmeier , Bodil A. Bluhm, Lee W. Cooper , Stanislav G. Denisenko, Katrin Iken, Monika Kędra, and Carlos Serratos

Spatial Patterns of Bryozoan Fauna Biodiversity and Issues of Biogeographic Regionalization of the Chukchi Sea
By Nina V. Denisenko and Jacqueline M. Grebmeier

Assessing Bioresources and Standing Stock of Zoobenthos (Key Species, High Taxa, Trophic Groups) in the Chukchi Sea
By Stanislav G. Denisenko , Jacqueline M. Grebmeier , and Lee W. Cooper

Ichthyofaunal Baselines in the Pacific Arctic Region and RUSALCA Study Area
By Catherine W. Mecklenburg and Dirk Steinke

Sediment Geochemistry and Diatom Distribution in the Chukchi Sea: Application for Bioproductivity and Paleoceanography
By Anatolii S. Astakhov, Alexander A. Bosin, Alexander N. Kolesnik, and Mariya S. Obrezkova

Source, Origin, and Spatial Distribution of Shallow Sediment Methane in the Chukchi Sea
By Tatiana Matveeva , Alexander S. Savvichev , Anastasiia Semenova , Elizaveta Logvina , Alexander N. Kolesnik, and Alexander A. Bosin

The Next Decade of RUSALCA
By Kathleen Crane

QUARTERDECK • Launch of the New Oceanography Website
By Ellen S. Kappel

FROM THE PRESIDENT • Sharks and Miami Lawyers
By M. Susan Lozier

RIP CURRENT – NEWS IN OCEANOGRAPHY • Recent Sargassum Inundation Events in the Caribbean: Shipboard Observations Reveal Dominance of a Previously Rare Form
By Jeffrey M. Schell , Deborah S. Goodwin, and Amy N.S. Siuda

COMMENTARY • Mediterranean Sea Ship-based Hydrographic Investigations Program (Med-SHIP)
By Katrin Schroeder, Toste Tanhua , Harry L. Bryden, Marta Álvarez , Jacopo Chiggiato , and Simona Aracri

RIPPLE MARKS • One Fish, Two Fish, Cold Fish…Warm Fish? Opah is First Known Warm-Blooded Ocean Fish
By Cheryl Lyn Dybas

HANDS-ON OCEANOGRAPHY • Turbidity Currents: Comparing Theory and Observation in the Lab
By Joseph D. Ortiz and Adiël A. Klompmaker

THE OCEANOGRAPHY CLASSROOM • How Broad is Your Course?
By Simon Boxall

BOOK REVIEW • Discovering the Deep: A Photographic Atlas of the Seafloor and the Ocean Crust
By William E. Seyfried Jr.

BOOK REVIEW • Biogeochemistry of Marine Dissolved Organic Matter (Second Edition)
By Ellery D. Ingall

CAREER PROFILES • Options and Insights
Career profiles—Options and insights. 2015. Oceanography 28(3):233–235.

Kathleen Crane, Arctic Research Program, National Oceanic and Atmospheric Administration
Jacqueline M. Grebmeier, Chesapeake Biological Laboratory, University of Maryland Center for Environmental Science
Russell R. Hopcroft, Institute of Marine Science, University of Alaska Fairbanks

​Publication of this special issue of Oceanography was made possible with funds from the Arctic Research Program, Climate Observation Division of the National Oceanic and Atmospheric Administration, and the United States Arctic Research Commission.