ORCID Profile
0000-0001-5513-5584
Current Organisation
Monterey Bay Aquarium Research Institute
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Publisher: Springer Science and Business Media LLC
Date: 03-2014
Publisher: Frontiers Media SA
Date: 02-08-2019
Publisher: American Geophysical Union (AGU)
Date: 13-03-2007
DOI: 10.1029/2007EO110003
Publisher: American Association for the Advancement of Science (AAAS)
Date: 16-04-2004
Abstract: The availability of iron is known to exert a controlling influence on biological productivity in surface waters over large areas of the ocean and may have been an important factor in the variation of the concentration of atmospheric carbon dioxide over glacial cycles. The effect of iron in the Southern Ocean is particularly important because of its large area and abundant nitrate, yet iron-enhanced growth of phytoplankton may be differentially expressed between waters with high silicic acid in the south and low silicic acid in the north, where diatom growth may be limited by both silicic acid and iron. Two mesoscale experiments, designed to investigate the effects of iron enrichment in regions with high and low concentrations of silicic acid, were performed in the Southern Ocean. These experiments demonstrate iron's pivotal role in controlling carbon uptake and regulating atmospheric partial pressure of carbon dioxide.
Publisher: American Geophysical Union (AGU)
Date: 2019
DOI: 10.1029/2018JC014059
Publisher: Elsevier BV
Date: 06-2005
Publisher: American Geophysical Union (AGU)
Date: 10-2013
DOI: 10.1002/JGRC.20399
Publisher: American Geophysical Union (AGU)
Date: 09-2006
DOI: 10.1029/2005GB002646
Publisher: The Oceanography Society
Date: 06-2005
Publisher: The Oceanography Society
Date: 09-2009
Publisher: Marine Technology Society
Date: 08-06-2022
DOI: 10.4031/MTSJ.56.3.25
Abstract: Abstract The Global Ocean Biogeochemistry (GO-BGC) Array is a project funded by the US National Science Foundation to build a global network of chemical and biological sensors on Argo profiling floats. The network will monitor biogeochemical cycles and ocean health. The floats will collect from a depth of 2,000 meters to the surface, augmenting the existing ext-link ext-link-type="uri" xlink:href="argo.ucsd.edu/" Argo array /ext-link that monitors ocean temperature and salinity. Data will be made freely available within a day of being collected via the Argo data system. These data will allow scientists to pursue fundamental questions concerning ocean ecosystems, monitor ocean health and productivity, and observe the elemental cycles of carbon, oxygen, and nitrogen through all seasons of the year. Such essential data are needed to improve computer models of ocean fisheries and climate, to monitor and forecast the effects of ocean warming and ocean acidification on sea life, and to address key questions identified in “Sea Change: 2015‐2025 Decadal Survey of Ocean Sciences” such as: What is the ocean's role in regulating the carbon cycle? What are the natural and anthropogenic drivers of open ocean deoxygenation? What are the consequences of ocean acidification? How do physical changes in mixing and circulation affect nutrient availability and ocean productivity?
Publisher: American Geophysical Union (AGU)
Date: 22-10-2020
DOI: 10.1029/2020GL090242
Location: United States of America
Location: United States of America
No related grants have been discovered for Kenneth Johnson.