Rolf E. Sonnerup
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View article: Tracer-based Rapid Anthropogenic Carbon Estimation (TRACE)
Tracer-based Rapid Anthropogenic Carbon Estimation (TRACE) Open
The ocean is one of the largest sinks for anthropogenic carbon dioxide (Canth) and its removal of carbon dioxide (CO2) from the atmosphere has been valued at hundreds of billions to trillions of US dollars in climate mitigation annually. T…
View article: Overturning circulation structures the microbial functional landscape of the South Pacific
Overturning circulation structures the microbial functional landscape of the South Pacific Open
Global overturning circulation partitions the deep ocean into regions with unique physicochemical characteristics, but the extent to which these water masses represent distinct ecosystems remains unknown. Here, we integrate extensive genom…
View article: Tracer-based Rapid Anthropogenic Carbon Estimation (TRACE)
Tracer-based Rapid Anthropogenic Carbon Estimation (TRACE) Open
The ocean is one of the largest sinks for anthropogenic carbon (Canth) and its removal of CO2 from the atmosphere has been valued at hundreds of billions of US dollars in climate mitigation annually. The ecosystem impacts caused by planet-…
View article: Subtropical Gyre Nutrient Cycling in the Upper Ocean: Insights From a Nutrient‐Ratio Budget Method
Subtropical Gyre Nutrient Cycling in the Upper Ocean: Insights From a Nutrient‐Ratio Budget Method Open
We use a nutrient‐ratio budget method to investigate the relative importance of different nutrient source and sink terms at time‐series Station ALOHA and Bermuda Atlantic Time‐series Study (BATS) in the North Pacific and North Atlantic sub…
View article: Marine N2O cycling from high spatial resolution concentration, stable isotopic and isotopomer measurements along a meridional transect in the eastern Pacific Ocean
Marine N2O cycling from high spatial resolution concentration, stable isotopic and isotopomer measurements along a meridional transect in the eastern Pacific Ocean Open
Nitrous oxide (N 2 O) is a potent greenhouse gas and ozone depleting substance, with the ocean accounting for about one third of global emissions. In marine environments, a significant amount of N 2 O is produced by biological processes in…
View article: PMEL’s Contribution to Observing and Analyzing Decadal Global Ocean Changes Through Sustained Repeat Hydrography
PMEL’s Contribution to Observing and Analyzing Decadal Global Ocean Changes Through Sustained Repeat Hydrography Open
The ocean is warming, acidifying, and losing oxygen. The Global Ocean Ship-based Hydrographic Investigations Program (GO-SHIP) carries out repeat hydrographic surveys along specified transects throughout all ocean basins to allow accurate …
View article: A Next Generation Ocean Carbon Isotope Model for Climate Studies I: Steady State Controls on Ocean <sup>13</sup>C
A Next Generation Ocean Carbon Isotope Model for Climate Studies I: Steady State Controls on Ocean <sup>13</sup>C Open
The 13 C/ 12 C of dissolved inorganic carbon ( δ 13 C DIC ) carries valuable information on ocean biological C‐cycling, air‐sea CO 2 exchange, and circulation. Paleo‐reconstructions of oceanic 13 C from sediment cores provide key insights …
View article: Next generation global ice-ocean-biogeochemistry coupled model with 13C-cycling (GFDL MOM5-BLING13C)
Next generation global ice-ocean-biogeochemistry coupled model with 13C-cycling (GFDL MOM5-BLING13C) Open
======= DESCRIPTION ======= This is the model output supporting our paper A next generation ocean carbon isotope model for climate studies I: Steady state controls on ocean 13C (2021 Global Biogeochemical Cycles). This model output simulat…
View article: Next generation global ice-ocean-biogeochemistry coupled model with 13C-cycling (GFDL MOM5-BLING13C)
Next generation global ice-ocean-biogeochemistry coupled model with 13C-cycling (GFDL MOM5-BLING13C) Open
======= DESCRIPTION ======= This is the model output supporting our paper A next generation ocean carbon isotope model for climate studies I: Steady state controls on ocean 13C (2021 Global Biogeochemical Cycles). This model output simulat…
View article: Preformed Properties for Marine Organic Matter and Carbonate Mineral Cycling Quantification
Preformed Properties for Marine Organic Matter and Carbonate Mineral Cycling Quantification Open
We estimate preformed ocean phosphate, nitrate, oxygen, silicate, and alkalinity by combining a reconstruction of ventilation pathways in the ocean interior with estimates of submixed layer properties. These new preformed property estimate…
View article: High spatial resolution global ocean metagenomes from Bio-GO-SHIP repeat hydrography transects
High spatial resolution global ocean metagenomes from Bio-GO-SHIP repeat hydrography transects Open
Detailed descriptions of microbial communities have lagged far behind physical and chemical measurements in the marine environment. Here, we present 720 globally distributed surface ocean metagenomes collected at high spatio-temporal resol…
View article: Pacific Anthropogenic Carbon Between 1991 and 2017
Pacific Anthropogenic Carbon Between 1991 and 2017 Open
We estimate anthropogenic carbon (C anth ) accumulation rates in the Pacific Ocean between 1991 and 2017 from 14 hydrographic sections that have been occupied two to four times over the past few decades, with most sections having been rece…
View article: A Synoptic View of the Ventilation and Circulation of Antarctic Bottom Water from Chlorofluorocarbons and Natural Tracers
A Synoptic View of the Ventilation and Circulation of Antarctic Bottom Water from Chlorofluorocarbons and Natural Tracers Open
Antarctic Bottom Water (AABW) is the coldest, densest, most prolific water mass in the global ocean. AABW forms at several distinct regions along the Antarctic coast and feeds into the bottom limb of the meridional overturning circulation,…
View article: Anthropogenic CO<sub>2</sub> accumulation and uptake rates in the Pacific Ocean based on changes in the <sup>13</sup>C/<sup>12</sup>C of dissolved inorganic carbon
Anthropogenic CO<sub>2</sub> accumulation and uptake rates in the Pacific Ocean based on changes in the <sup>13</sup>C/<sup>12</sup>C of dissolved inorganic carbon Open
The anthropogenic CO 2 accumulation rate for the Pacific Ocean was estimated from the decrease in δ 13 C of the dissolved inorganic carbon measured on six World Ocean Circulation Experiment cruises during the 1990s and repeated during Clim…
View article: Transit time distributions and oxygen utilization rates from chlorofluorocarbons and sulfur hexafluoride in the <scp>S</scp>outheast <scp>P</scp>acific <scp>O</scp>cean
Transit time distributions and oxygen utilization rates from chlorofluorocarbons and sulfur hexafluoride in the <span>S</span>outheast <span>P</span>acific <span>O</span>cean Open
Chlorofluorocarbons‐11 (CFC‐11), CFC‐12, and sulfur hexafluoride (SF 6 ) were measured during the December 2007 to February 2008 CLIVAR/Repeat Hydrography (RH) P18 section along ∼103°W in the Southeast Pacific Ocean. Transit‐time distribut…