Alkalinity in porewater profiles from the Gulf of Cádiz (North East Atlantic)
Sediment cores were taken from the continental shelf of the Gulf of Cadiz (North East Atlantic) in the framework of the EMIGAS Spanish project ('Zonas de emisión de gases efecto invernadero en los sistemas litorales: influencia de las entradas costeras y del metabolismo bentónico'). Sampli...
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ftpangaea:oai:pangaea.de:doi:10.1594/PANGAEA.918464 2023-05-15T17:38:17+02:00 Alkalinity in porewater profiles from the Gulf of Cádiz (North East Atlantic) Guerra, Roberta Garcia-Luque, Enrique MEDIAN LATITUDE: 36.673421 * MEDIAN LONGITUDE: -6.469977 * SOUTH-BOUND LATITUDE: 36.551500 * WEST-BOUND LONGITUDE: -6.667600 * NORTH-BOUND LATITUDE: 36.789700 * EAST-BOUND LONGITUDE: -6.255580 * DATE/TIME START: 2006-06-18T00:00:00 * DATE/TIME END: 2007-02-08T00:00:00 2020-06-05 application/zip, 19 datasets https://doi.pangaea.de/10.1594/PANGAEA.918464 https://doi.org/10.1594/PANGAEA.918464 en eng PANGAEA Gómez-Parra, Abelardo; Forja, Jesús M (1994): An operative definition of alkalinity in interstitial waters. Marine Chemistry, 45, 53-65 https://doi.pangaea.de/10.1594/PANGAEA.918464 https://doi.org/10.1594/PANGAEA.918464 CC-BY-4.0: Creative Commons Attribution 4.0 International Access constraints: unrestricted info:eu-repo/semantics/openAccess CC-BY EMIGAS Greenhouse gas emission zones in coastal systems: influence of coastal runoff and benthic metabolism Gulf of Cadiz North East Atlantic porewater sediment total alkalinity (TA) Dataset 2020 ftpangaea https://doi.org/10.1594/PANGAEA.918464 2023-01-20T07:34:33Z Sediment cores were taken from the continental shelf of the Gulf of Cadiz (North East Atlantic) in the framework of the EMIGAS Spanish project ('Zonas de emisión de gases efecto invernadero en los sistemas litorales: influencia de las entradas costeras y del metabolismo bentónico'). Sampling stations were selected in two areas of the Gulf of Cádiz: a) the Bay of Cádiz and its outer region (n = 5), and b) the Guadalquivir prodelta (n=4). The data reported in this work were collected during 3 cruises on board RV 'Mytilus,' covering 3 seasonal periods: June 2006, November 2006, and February 2007. We obtained porewater profiles of total alkalinity (TA) and pH using a refined protocol based on the original method designed by Gomez-Parra and Forja (1994). pH was measured in 2 mL of pore water using a glass-combined electrode calibrated in the total pH scale using a TRIS buffer solution. TA was computed from the titration curve with 0.1 M HCl by means of the equivalent volume (Methrom, 794). Near-bottom water pH varied in the ranges of 7.90 – 8.10 in the Bay of Cadiz, and 8.02 – 8.12 in the Gualdaquivir prodelta, whereas TA ranged from ~2200 – 2300 μmol kg−1 in both areas. Porewater profiles of TA increased with depth and with decline in pH, with the highest maximum values of 12406 μmol kg−1 and 19761 μmol kg−1 recorded below 10 cm depth in Summer and Autumn in Guadalquivir prodelta area. Dataset North East Atlantic PANGAEA - Data Publisher for Earth & Environmental Science Gomez ENVELOPE(-58.795,-58.795,-62.196,-62.196) ENVELOPE(-6.667600,-6.255580,36.789700,36.551500) |
institution |
Open Polar |
collection |
PANGAEA - Data Publisher for Earth & Environmental Science |
op_collection_id |
ftpangaea |
language |
English |
topic |
EMIGAS Greenhouse gas emission zones in coastal systems: influence of coastal runoff and benthic metabolism Gulf of Cadiz North East Atlantic porewater sediment total alkalinity (TA) |
spellingShingle |
EMIGAS Greenhouse gas emission zones in coastal systems: influence of coastal runoff and benthic metabolism Gulf of Cadiz North East Atlantic porewater sediment total alkalinity (TA) Guerra, Roberta Garcia-Luque, Enrique Alkalinity in porewater profiles from the Gulf of Cádiz (North East Atlantic) |
topic_facet |
EMIGAS Greenhouse gas emission zones in coastal systems: influence of coastal runoff and benthic metabolism Gulf of Cadiz North East Atlantic porewater sediment total alkalinity (TA) |
description |
Sediment cores were taken from the continental shelf of the Gulf of Cadiz (North East Atlantic) in the framework of the EMIGAS Spanish project ('Zonas de emisión de gases efecto invernadero en los sistemas litorales: influencia de las entradas costeras y del metabolismo bentónico'). Sampling stations were selected in two areas of the Gulf of Cádiz: a) the Bay of Cádiz and its outer region (n = 5), and b) the Guadalquivir prodelta (n=4). The data reported in this work were collected during 3 cruises on board RV 'Mytilus,' covering 3 seasonal periods: June 2006, November 2006, and February 2007. We obtained porewater profiles of total alkalinity (TA) and pH using a refined protocol based on the original method designed by Gomez-Parra and Forja (1994). pH was measured in 2 mL of pore water using a glass-combined electrode calibrated in the total pH scale using a TRIS buffer solution. TA was computed from the titration curve with 0.1 M HCl by means of the equivalent volume (Methrom, 794). Near-bottom water pH varied in the ranges of 7.90 – 8.10 in the Bay of Cadiz, and 8.02 – 8.12 in the Gualdaquivir prodelta, whereas TA ranged from ~2200 – 2300 μmol kg−1 in both areas. Porewater profiles of TA increased with depth and with decline in pH, with the highest maximum values of 12406 μmol kg−1 and 19761 μmol kg−1 recorded below 10 cm depth in Summer and Autumn in Guadalquivir prodelta area. |
format |
Dataset |
author |
Guerra, Roberta Garcia-Luque, Enrique |
author_facet |
Guerra, Roberta Garcia-Luque, Enrique |
author_sort |
Guerra, Roberta |
title |
Alkalinity in porewater profiles from the Gulf of Cádiz (North East Atlantic) |
title_short |
Alkalinity in porewater profiles from the Gulf of Cádiz (North East Atlantic) |
title_full |
Alkalinity in porewater profiles from the Gulf of Cádiz (North East Atlantic) |
title_fullStr |
Alkalinity in porewater profiles from the Gulf of Cádiz (North East Atlantic) |
title_full_unstemmed |
Alkalinity in porewater profiles from the Gulf of Cádiz (North East Atlantic) |
title_sort |
alkalinity in porewater profiles from the gulf of cádiz (north east atlantic) |
publisher |
PANGAEA |
publishDate |
2020 |
url |
https://doi.pangaea.de/10.1594/PANGAEA.918464 https://doi.org/10.1594/PANGAEA.918464 |
op_coverage |
MEDIAN LATITUDE: 36.673421 * MEDIAN LONGITUDE: -6.469977 * SOUTH-BOUND LATITUDE: 36.551500 * WEST-BOUND LONGITUDE: -6.667600 * NORTH-BOUND LATITUDE: 36.789700 * EAST-BOUND LONGITUDE: -6.255580 * DATE/TIME START: 2006-06-18T00:00:00 * DATE/TIME END: 2007-02-08T00:00:00 |
long_lat |
ENVELOPE(-58.795,-58.795,-62.196,-62.196) ENVELOPE(-6.667600,-6.255580,36.789700,36.551500) |
geographic |
Gomez |
geographic_facet |
Gomez |
genre |
North East Atlantic |
genre_facet |
North East Atlantic |
op_relation |
Gómez-Parra, Abelardo; Forja, Jesús M (1994): An operative definition of alkalinity in interstitial waters. Marine Chemistry, 45, 53-65 https://doi.pangaea.de/10.1594/PANGAEA.918464 https://doi.org/10.1594/PANGAEA.918464 |
op_rights |
CC-BY-4.0: Creative Commons Attribution 4.0 International Access constraints: unrestricted info:eu-repo/semantics/openAccess |
op_rightsnorm |
CC-BY |
op_doi |
https://doi.org/10.1594/PANGAEA.918464 |
_version_ |
1766138671552004096 |