June 2024 | Oceanography
SPECIAL ISSUE ON
TWENTY YEARS OF GEOTRACES
6 FROM THE GUEST EDITORS. Introduction to the Special Issue
By T.M. Conway, J.N. Fitzsimmons, R. Middag, T.L. Noble, and H. Planquette
8 PERSPECTIVE. GEOTRACES Reflections
By R.F. Anderson
13 PERSPECTIVE. A Young Scientist’s Perspective on GEOTRACES
By D.J. Halbeisen
17 PERSPECTIVE. The Value of Going To Sea on Big Ships and the Advantage
of Multiple Tracers for GEOTRACES Style Programs
By C. Jeandel
21 PERSPECTIVE. Intercalibration: A Cornerstone of the Success of the
GEOTRACES Program
By A. Aguilar-Islas, H. Planquette, M.C. Lohan, W. Geibert, and G. Cutter
25 The GEOTRACES Intermediate Data Products: Rich Resources for Research,
Education, and Outreach
By R. Schlitzer and S. Mieruch-Schnülle
34 SPOTLIGHT. Three-Minute Videos to Learn About Marine Geochemistry
By E. Masferrer Dodas, C. Jeandel, and A. Artis
35 PERSPECTIVE. GEOTRACES: Ironing Out the Details of the Oceanic
Iron Sources?
By T.M. Conway, R. Middag, and R. Schlitzer
46 The Southern Ocean Hub for Nutrients, Micronutrients, and Their Isotopes
in the Global Ocean
By G.F. de Souza and A.K. Morrison
60 Shelf-Basin Connectivity Drives Dissolved Fe and Mn Distributions in the
Western Arctic Ocean: A Synoptic View into Polar Trace Metal Cycling
By L. Jensen and M. Colombo
72 On the Variability of Equatorial Pacific Nitrate and Iron Utilization
By P.A. Rafter
85 Advances in Understanding the Marine Nitrogen Cycle in the
GEOTRACES Era
By K.L. Casciotti, T.A. Marshall, S.E. Fawcett, and A.N. Knapp
102 The “Net” Impact of Hydrothermal Venting on Oceanic Elemental
Inventories: Contributions to Plume Geochemistry from the International
GEOTRACES Program
By J.N. Fitzsimmons and J.M. Steffen
116 PERSPECTIVE. GEOTRACES: Fifteen Years of Progress in Marine Aerosol
Research
By C.S. Buck, S. Fietz, D.S. Hamilton, T.-Y. Ho, M.M.G. Perron, and R.U. Shelley
120 An Ocean of Particles: Characterization of Particulate Trace Elements by
the GEOTRACES Program
By B.S. Twining
contents VOL. 37, NO. 2, JUNE 2024
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June 2024 | Oceanography