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Does Scavenging by Hydrothermal Iron Create Deep Pacific Ocean DOC Deficits?
AGU 2024
ocean sciences | 12 december 2024
Dennis A. Hansell, Christopher R. German, Craig A....
Refractory dissolved organic carbon (RDOC) deficits of up to 4-5 micromol/kg C are evident in the deep Pacific Ocean but the removal mechanism has rem...
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Contribution of dissolved organic carbon removal to apparent oxygen utilization and revised remineralization rates using comprehensive observational data in the North Atlantic Ocean
OCEAN SCIENCES 2024
climate and ocean change | 23 february 2024
Brandon Stephens, Dennis A. Hansell, Craig A. Carl...
The different fractions of marine dissolved organic carbon (DOC) cycle over a large range of timescales (seconds to centuries), from a relatively rapi...
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Tracking the Sources of Nitrate in Southeastern Alaskan Fjords
OCEAN SCIENCES 2024
ocean biology and biogeochemistry | 21 february 2024
Andrea Emmanuelli, Dennis A. Hansell, Chelsie N. B...
The Gulf of Alaska receives considerable freshwater discharge from rivers and streams along the mountainous coastlines of Southeast Alaska. On the she...
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The Possibility of Bathypelagic Dissolved Organic Carbon Signatures as a Proxy for Modern Carbon Export
TOWARD A HOLISTIC APPROACH TO ESTIMATING CARBON EXPORT AND ATTENUATION IN THE OCEANS II POSTER
ocean sciences | 16 december 2022
Chelsea Lopez, Dennis A. Hansell
Previously, dissolved organic carbon (DOC) concentrations in the open ocean were thought to be largely uniform at bathypelagic depths. However, anomal...
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Spatial Complexity in Dissolved Organic Matter and Trace Elements Driven by Hydrography and Freshwater Input Across the Arctic Ocean During 2015 Arctic GEOTRACES Expeditions
JOURNAL OF GEOPHYSICAL RESEARCH: OCEANS
04 november 2022
Tatiana Williford, Rainer M. Amon, Karl Kaiser, Ro...
This study traces dissolved organic matter (DOM) in different water masses of the Arctic Ocean and its effect on the distributions of trace element...
Oceanic Dissolved Organic Carbon: The World Tour
WILLIAM S. AND CARELYN Y. REEBURGH LECTURE
ocean sciences | 07 december 2020
Dennis A. Hansell
At 660 PgC, oceanic dissolved organic matter is one of Earth’s major, bio-reactive carbon reservoirs. Three decades ago, the ocean science community t...
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The Transpolar Drift as a Source of Riverine and Shelf‐Derived Trace Elements to the Central Arctic Ocean
JOURNAL OF GEOPHYSICAL RESEARCH: OCEANS
06 may 2020
Matthew A. Charette, Lauren E. Kipp, Laramie Jense...
A major surface circulation feature of the Arctic Ocean is the Transpolar Drift (TPD), a current that transports river‐influenced shelf water...
Controls on dissolved organic carbon and nitrogen distributions in the upper South Pacific Ocean
OCEAN SCIENCES 2020
ocean biology and biogeochemistry | 20 february 2020
Mariana B. Bif, Mark A. Altabet, Annie Bourbonnais...
We used data from the GO-SHIP latitudinal P18 transect across the South Pacific Ocean (P18/1994, 2007 and 2017) to investigate controls on dissolved o...
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