Seawater carbonate chemistry and estuarine dissolved organic carbon export ...
Relative to their surface area, estuaries make a disproportionately large contribution of dissolved organic carbon (DOC) to the global carbon cycle, but it is unknown how this will change under a future climate. As such, the response of DOC fluxes from microbially dominated unvegetated sediments to...
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ftdatacite:10.1594/pangaea.930934 2023-06-11T04:15:39+02:00 Seawater carbonate chemistry and estuarine dissolved organic carbon export ... Simone, Michelle Schulz, Kai Oakes, Joanne Eyre, Bradley D 2020 text/tab-separated-values https://dx.doi.org/10.1594/pangaea.930934 https://doi.pangaea.de/10.1594/PANGAEA.930934 en eng PANGAEA https://cran.r-project.org/web/packages/seacarb/index.html https://dx.doi.org/10.5194/bg-18-1823-2021 https://dx.doi.org/10.1594/pangaea.924460 https://cran.r-project.org/web/packages/seacarb/index.html Creative Commons Attribution 4.0 International https://creativecommons.org/licenses/by/4.0/legalcode cc-by-4.0 Benthos Bottles or small containers/Aquaria <20 L Coast and continental shelf Entire community Laboratory experiment Other studied parameter or process Primary production/Photosynthesis Respiration Soft-bottom community South Pacific Temperate Temperature Type Treatment Time point, descriptive Replicates DEPTH, sediment/rock DEPTH, water Surface area Volume Time in minutes Salinity Temperature, water Oxygen saturation Carbon, inorganic, dissolved Carbon, organic, dissolved pH Respiration rate, oxygen Respiration rate, oxygen, standard deviation Net primary production of oxygen Net primary production of oxygen, standard deviation Gross primary production of oxygen Gross primary production of oxygen, standard deviation Production/respiration ratio Production/respiration ratio, standard deviation Carbon, inorganic, dissolved, flux Carbon, inorganic, dissolved, flux, standard deviation Carbon, organic, dissolved, flux Carbon, organic, dissolved, flux, standard deviation Nitrogen, inorganic, dissolved Nitrogen, inorganic, dissolved, standard deviation Temperature, water, standard deviation pH, standard deviation Partial pressure of carbon dioxide water at sea surface temperature wet air Partial pressure of carbon dioxide, standard deviation Bicarbonate ion Bicarbonate ion, standard deviation Carbonate ion Carbonate ion, standard deviation Alkalinity, total Dataset dataset 2020 ftdatacite https://doi.org/10.1594/pangaea.93093410.5194/bg-18-1823-202110.1594/pangaea.924460 2023-05-02T09:33:33Z Relative to their surface area, estuaries make a disproportionately large contribution of dissolved organic carbon (DOC) to the global carbon cycle, but it is unknown how this will change under a future climate. As such, the response of DOC fluxes from microbially dominated unvegetated sediments to individual and combined future climate stressors of temperature change (from delta −3 to delta +5 °C compared to ambient mean temperatures) and ocean acidification (OA, 2*current CO2 partial pressure, pCO2) was investigated ex situ. Warming alone increased sediment heterotrophy, resulting in a proportional increase in sediment DOC uptake; sediments became net sinks of DOC (3.5 to 8.8 mmol C/m**2/d) at warmer temperatures (delta +3 and delta +5 °C, respectively). This temperature response changed under OA conditions, with sediments becoming more autotrophic and a greater sink of DOC (up to 4* greater than under current pCO2 conditions). This response was attributed to the stimulation of heterotrophic bacteria with ... : In order to allow full comparability with other ocean acidification data sets, the R package seacarb (Gattuso et al, 2021) was used to compute a complete and consistent set of carbonate system variables, as described by Nisumaa et al. (2010). In this dataset the original values were archived in addition with the recalculated parameters (see related PI). The date of carbonate chemistry calculation by seacarb is 2021-04-30. ... Dataset Ocean acidification DataCite Metadata Store (German National Library of Science and Technology) Pacific |
institution |
Open Polar |
collection |
DataCite Metadata Store (German National Library of Science and Technology) |
op_collection_id |
ftdatacite |
language |
English |
topic |
Benthos Bottles or small containers/Aquaria <20 L Coast and continental shelf Entire community Laboratory experiment Other studied parameter or process Primary production/Photosynthesis Respiration Soft-bottom community South Pacific Temperate Temperature Type Treatment Time point, descriptive Replicates DEPTH, sediment/rock DEPTH, water Surface area Volume Time in minutes Salinity Temperature, water Oxygen saturation Carbon, inorganic, dissolved Carbon, organic, dissolved pH Respiration rate, oxygen Respiration rate, oxygen, standard deviation Net primary production of oxygen Net primary production of oxygen, standard deviation Gross primary production of oxygen Gross primary production of oxygen, standard deviation Production/respiration ratio Production/respiration ratio, standard deviation Carbon, inorganic, dissolved, flux Carbon, inorganic, dissolved, flux, standard deviation Carbon, organic, dissolved, flux Carbon, organic, dissolved, flux, standard deviation Nitrogen, inorganic, dissolved Nitrogen, inorganic, dissolved, standard deviation Temperature, water, standard deviation pH, standard deviation Partial pressure of carbon dioxide water at sea surface temperature wet air Partial pressure of carbon dioxide, standard deviation Bicarbonate ion Bicarbonate ion, standard deviation Carbonate ion Carbonate ion, standard deviation Alkalinity, total |
spellingShingle |
Benthos Bottles or small containers/Aquaria <20 L Coast and continental shelf Entire community Laboratory experiment Other studied parameter or process Primary production/Photosynthesis Respiration Soft-bottom community South Pacific Temperate Temperature Type Treatment Time point, descriptive Replicates DEPTH, sediment/rock DEPTH, water Surface area Volume Time in minutes Salinity Temperature, water Oxygen saturation Carbon, inorganic, dissolved Carbon, organic, dissolved pH Respiration rate, oxygen Respiration rate, oxygen, standard deviation Net primary production of oxygen Net primary production of oxygen, standard deviation Gross primary production of oxygen Gross primary production of oxygen, standard deviation Production/respiration ratio Production/respiration ratio, standard deviation Carbon, inorganic, dissolved, flux Carbon, inorganic, dissolved, flux, standard deviation Carbon, organic, dissolved, flux Carbon, organic, dissolved, flux, standard deviation Nitrogen, inorganic, dissolved Nitrogen, inorganic, dissolved, standard deviation Temperature, water, standard deviation pH, standard deviation Partial pressure of carbon dioxide water at sea surface temperature wet air Partial pressure of carbon dioxide, standard deviation Bicarbonate ion Bicarbonate ion, standard deviation Carbonate ion Carbonate ion, standard deviation Alkalinity, total Simone, Michelle Schulz, Kai Oakes, Joanne Eyre, Bradley D Seawater carbonate chemistry and estuarine dissolved organic carbon export ... |
topic_facet |
Benthos Bottles or small containers/Aquaria <20 L Coast and continental shelf Entire community Laboratory experiment Other studied parameter or process Primary production/Photosynthesis Respiration Soft-bottom community South Pacific Temperate Temperature Type Treatment Time point, descriptive Replicates DEPTH, sediment/rock DEPTH, water Surface area Volume Time in minutes Salinity Temperature, water Oxygen saturation Carbon, inorganic, dissolved Carbon, organic, dissolved pH Respiration rate, oxygen Respiration rate, oxygen, standard deviation Net primary production of oxygen Net primary production of oxygen, standard deviation Gross primary production of oxygen Gross primary production of oxygen, standard deviation Production/respiration ratio Production/respiration ratio, standard deviation Carbon, inorganic, dissolved, flux Carbon, inorganic, dissolved, flux, standard deviation Carbon, organic, dissolved, flux Carbon, organic, dissolved, flux, standard deviation Nitrogen, inorganic, dissolved Nitrogen, inorganic, dissolved, standard deviation Temperature, water, standard deviation pH, standard deviation Partial pressure of carbon dioxide water at sea surface temperature wet air Partial pressure of carbon dioxide, standard deviation Bicarbonate ion Bicarbonate ion, standard deviation Carbonate ion Carbonate ion, standard deviation Alkalinity, total |
description |
Relative to their surface area, estuaries make a disproportionately large contribution of dissolved organic carbon (DOC) to the global carbon cycle, but it is unknown how this will change under a future climate. As such, the response of DOC fluxes from microbially dominated unvegetated sediments to individual and combined future climate stressors of temperature change (from delta −3 to delta +5 °C compared to ambient mean temperatures) and ocean acidification (OA, 2*current CO2 partial pressure, pCO2) was investigated ex situ. Warming alone increased sediment heterotrophy, resulting in a proportional increase in sediment DOC uptake; sediments became net sinks of DOC (3.5 to 8.8 mmol C/m**2/d) at warmer temperatures (delta +3 and delta +5 °C, respectively). This temperature response changed under OA conditions, with sediments becoming more autotrophic and a greater sink of DOC (up to 4* greater than under current pCO2 conditions). This response was attributed to the stimulation of heterotrophic bacteria with ... : In order to allow full comparability with other ocean acidification data sets, the R package seacarb (Gattuso et al, 2021) was used to compute a complete and consistent set of carbonate system variables, as described by Nisumaa et al. (2010). In this dataset the original values were archived in addition with the recalculated parameters (see related PI). The date of carbonate chemistry calculation by seacarb is 2021-04-30. ... |
format |
Dataset |
author |
Simone, Michelle Schulz, Kai Oakes, Joanne Eyre, Bradley D |
author_facet |
Simone, Michelle Schulz, Kai Oakes, Joanne Eyre, Bradley D |
author_sort |
Simone, Michelle |
title |
Seawater carbonate chemistry and estuarine dissolved organic carbon export ... |
title_short |
Seawater carbonate chemistry and estuarine dissolved organic carbon export ... |
title_full |
Seawater carbonate chemistry and estuarine dissolved organic carbon export ... |
title_fullStr |
Seawater carbonate chemistry and estuarine dissolved organic carbon export ... |
title_full_unstemmed |
Seawater carbonate chemistry and estuarine dissolved organic carbon export ... |
title_sort |
seawater carbonate chemistry and estuarine dissolved organic carbon export ... |
publisher |
PANGAEA |
publishDate |
2020 |
url |
https://dx.doi.org/10.1594/pangaea.930934 https://doi.pangaea.de/10.1594/PANGAEA.930934 |
geographic |
Pacific |
geographic_facet |
Pacific |
genre |
Ocean acidification |
genre_facet |
Ocean acidification |
op_relation |
https://cran.r-project.org/web/packages/seacarb/index.html https://dx.doi.org/10.5194/bg-18-1823-2021 https://dx.doi.org/10.1594/pangaea.924460 https://cran.r-project.org/web/packages/seacarb/index.html |
op_rights |
Creative Commons Attribution 4.0 International https://creativecommons.org/licenses/by/4.0/legalcode cc-by-4.0 |
op_doi |
https://doi.org/10.1594/pangaea.93093410.5194/bg-18-1823-202110.1594/pangaea.924460 |
_version_ |
1768372646059180032 |