{"id":1291,"date":"2022-02-14T21:48:34","date_gmt":"2022-02-14T21:48:34","guid":{"rendered":"https:\/\/wp.ull.es\/omacc\/?post_type=project&#038;p=1291"},"modified":"2025-12-12T09:50:33","modified_gmt":"2025-12-12T09:50:33","slug":"coastal-carbonate-system-variability-along-an-active-lava-seawater-interface-gonzalez-santana-et-al-2022","status":"publish","type":"project","link":"https:\/\/wp.ull.es\/omacc\/project\/coastal-carbonate-system-variability-along-an-active-lava-seawater-interface-gonzalez-santana-et-al-2022\/","title":{"rendered":"Coastal carbonate system variability along an active lava-seawater interface. Gonz\u00e1lez-Santana et al., 2022"},"content":{"rendered":"[et_pb_section fb_built=\u00bb1&#8243; _builder_version=\u00bb4.9.7&#8243; _module_preset=\u00bbdefault\u00bb][et_pb_row _builder_version=\u00bb4.9.7&#8243; _module_preset=\u00bbdefault\u00bb][et_pb_column type=\u00bb4_4&#8243; _builder_version=\u00bb4.9.7&#8243; _module_preset=\u00bbdefault\u00bb][et_pb_text _builder_version=\u00bb4.9.7&#8243; _module_preset=\u00bbdefault\u00bb header_2_font=\u00bb|700|||||||\u00bb]\n<h2>Coastal carbonate system variability along an active lava-seawater interface.<\/h2>\n[\/et_pb_text][\/et_pb_column][\/et_pb_row][et_pb_row column_structure=\u00bb2_5,3_5&#8243; _builder_version=\u00bb4.9.7&#8243; _module_preset=\u00bbdefault\u00bb][et_pb_column type=\u00bb2_5&#8243; _builder_version=\u00bb4.9.7&#8243; _module_preset=\u00bbdefault\u00bb][et_pb_image src=\u00bbhttps:\/\/wp.ull.es\/omacc\/wp-content\/uploads\/sites\/110\/2023\/02\/2022-Gonza\u0301lez-Santana-et-al.-Frontier.jpg\u00bb title_text=\u00bb2022-Gonza\u0301lez-Santana et al., Frontier\u00bb _builder_version=\u00bb4.9.7&#8243; _module_preset=\u00bbdefault\u00bb border_width_all=\u00bb2px\u00bb border_color_all=\u00bb#0C997F\u00bb][\/et_pb_image][\/et_pb_column][et_pb_column type=\u00bb3_5&#8243; _builder_version=\u00bb4.9.7&#8243; _module_preset=\u00bbdefault\u00bb][et_pb_text _builder_version=\u00bb4.9.7&#8243; _module_preset=\u00bbdefault\u00bb]\n<blockquote><p><span style=\"font-weight: 400\">2022. GONZALEZ-SANTANA, D., GONZALEZ-DAVILA, M., GONZALEZ, A. G. &amp; SANTANA-CASIANO, J. M. Coastal carbonate system variability along an active lava-seawater interface. Frontiers in Marine Science, 1588.<\/span><\/p><\/blockquote>\n[\/et_pb_text][et_pb_text _builder_version=\u00bb4.9.7&#8243; _module_preset=\u00bbdefault\u00bb]Las coladas de lava procedentes de la erupci\u00f3n volc\u00e1nica de 2021 en La Palma, Islas Canarias, alcanzaron la l\u00ednea de costa durante tres eventos, el 28 de septiembre, el 10 de noviembre y el 22 de noviembre, afectando fuertemente a las propiedades del agua de mar a medida que interactuaban con ella. Se caracteriz\u00f3 la evoluci\u00f3n de las propiedades fisicoqu\u00edmicas superficiales y de la columna de agua (temperatura, salinidad, variables del sistema carbonatado y ox\u00edgeno disuelto) durante 13 visitas a la zona frontal de los deltas reci\u00e9n formados. Un gran volumen de agua de mar caliente (50\u00b0C medidos el 12 de noviembre) y de alta salinidad promovi\u00f3 valores de pH en la zona frontal de 7,0 con importantes descensos de la alcalinidad, \u0394AT, y del carbono inorg\u00e1nico total disuelto, \u0394CT, que alcanzaron 566 y 272 \u00b5mol kg-1, respectivamente. La adici\u00f3n de \u00e1cidos generados durante la interacci\u00f3n lava-agua de mar (44,4 mmol), junto con los utilizados en la valoraci\u00f3n de la alcalinidad carbonatada (796 \u00b1 72 mmol) m\u00e1s los \u00e1cidos utilizados en la disoluci\u00f3n de metales (21 mmol), se estim\u00f3 con una concentraci\u00f3n media de protones a\u00f1adidos de 0,31 \u00b5mol kg-1 de agua de mar en los 2,7 &#8211; 106 m3 afectados para el 12 de noviembre. Durante este evento, la disminuci\u00f3n del pH y el aumento de la temperatura aumentaron la presi\u00f3n parcial de CO2, desgasificando 2 toneladas de CO2, 40 veces el CO2 emitido diariamente para esta zona en condiciones no eruptivas. Un mes despu\u00e9s de la erupci\u00f3n, las propiedades fisicoqu\u00edmicas estudiadas del agua de mar cercana a los nuevos deltas volvieron a los valores normales no eruptivos habituales, que incluyen la presencia de baja salinidad, bajo pH y altas emisiones difusivas de gas CO2 a trav\u00e9s de descargas submarinas de agua subterr\u00e1nea observadas entre los deltas formados. Los nuevos deltas ricos en minerales y el aumento de la solubilidad debido a las condiciones de pH bajo contribuyeron a la recuperaci\u00f3n de la zona afectada.<br \/>\n[\/et_pb_text][et_pb_button button_url=\u00bbhttps:\/\/www.frontiersin.org\/articles\/10.3389\/fmars.2022.952203\/full\u00bb url_new_window=\u00bbon\u00bb button_text=\u00bbDescargar pdf\u00bb _builder_version=\u00bb4.9.7&#8243; _module_preset=\u00bbdefault\u00bb custom_button=\u00bbon\u00bb button_text_size=\u00bb13px\u00bb button_bg_color=\u00bb#0C997F\u00bb hover_enabled=\u00bb0&#8243; sticky_enabled=\u00bb0&#8243;][\/et_pb_button][\/et_pb_column][\/et_pb_row][et_pb_row column_structure=\u00bb2_5,3_5&#8243; _builder_version=\u00bb4.9.7&#8243; _module_preset=\u00bbdefault\u00bb][et_pb_column type=\u00bb2_5&#8243; _builder_version=\u00bb4.9.7&#8243; _module_preset=\u00bbdefault\u00bb][\/et_pb_column][et_pb_column type=\u00bb3_5&#8243; _builder_version=\u00bb4.9.7&#8243; _module_preset=\u00bbdefault\u00bb][et_pb_toggle title=\u00bbEnglish\u00bb open_toggle_text_color=\u00bb#0C997F\u00bb open_toggle_background_color=\u00bb#FFFFFF\u00bb closed_toggle_text_color=\u00bb#0C997F\u00bb closed_toggle_background_color=\u00bb#FFFFFF\u00bb icon_color=\u00bb#0C997F\u00bb _builder_version=\u00bb4.9.7&#8243; _module_preset=\u00bbdefault\u00bb title_font=\u00bb|||on|||||\u00bb closed_title_font=\u00bb|||on|||||\u00bb closed_title_font_size=\u00bb14px\u00bb closed_title_line_height=\u00bb1.5em\u00bb custom_padding=\u00bb7px||7px||true|false\u00bb border_color_all=\u00bb#0C997F\u00bb]Lava flows from the 2021 volcanic eruption in La Palma, Canary Islands, reached the shoreline during three events on September 28th, November 10th, and November 22nd, strongly affecting the seawater properties as they interacted with the seawater. The evolution of surface and water column physicochemical properties (temperature, salinity, carbonate system variables, and dissolved oxygen) was characterized during 13 visits to the frontal zone of the newly formed deltas. A large volume of hot (50\u00b0C measured on November 12th) and high salinity seawater promoted pH values in the frontal zone of 7.0 with important decreases in alkalinity, \u0394AT, and total dissolved inorganic carbon, \u0394CT, that reached 566 and 272 \u00b5mol kg\u22121, respectively. The addition of acids generated during the lava\u2013seawater interaction (44.4 mmol), together with those used in the titration of carbonate alkalinity (796 \u00b1 72 mmol) plus acids used in metal dissolution (21 mmol), was estimated with an average added proton concentration of 0.31 \u00b5mol kg\u22121 of seawater in the affected 2.7 \u00b7 106 m3 for November 12th. During this event, the decrease in pH and the increase in temperature increased the partial pressure of CO2, outgassing 2 tons of CO2, 40 times the daily emitted CO2 for this area under non-eruptive conditions. One month after the eruption, the studied physicochemical properties of the seawater close to the new deltas returned to the usual non-eruptive normal values, which include the presence of low salinity, low pH, and high CO2 gas diffusive emissions through submarine groundwater discharges observed between the formed deltas. The new mineral-rich deltas and the increase in solubility due to the low pH conditions contributed to the recovery of the affected area.<br \/>\n[\/et_pb_toggle][\/et_pb_column][\/et_pb_row][\/et_pb_section]\n","protected":false},"excerpt":{"rendered":"<p>[et_pb_section fb_built=\u00bb1&#8243; _builder_version=\u00bb4.9.7&#8243; _module_preset=\u00bbdefault\u00bb][et_pb_row _builder_version=\u00bb4.9.7&#8243; _module_preset=\u00bbdefault\u00bb][et_pb_column type=\u00bb4_4&#8243; _builder_version=\u00bb4.9.7&#8243; _module_preset=\u00bbdefault\u00bb][et_pb_text _builder_version=\u00bb4.9.7&#8243; _module_preset=\u00bbdefault\u00bb header_2_font=\u00bb|700|||||||\u00bb] Coastal carbonate system variability along an active lava-seawater interface. [\/et_pb_text][\/et_pb_column][\/et_pb_row][et_pb_row column_structure=\u00bb2_5,3_5&#8243; _builder_version=\u00bb4.9.7&#8243; _module_preset=\u00bbdefault\u00bb][et_pb_column type=\u00bb2_5&#8243; _builder_version=\u00bb4.9.7&#8243; _module_preset=\u00bbdefault\u00bb][et_pb_image src=\u00bbhttps:\/\/wp.ull.es\/omacc\/wp-content\/uploads\/sites\/110\/2023\/02\/2022-Gonza\u0301lez-Santana-et-al.-Frontier.jpg\u00bb title_text=\u00bb2022-Gonza\u0301lez-Santana et al., Frontier\u00bb _builder_version=\u00bb4.9.7&#8243; _module_preset=\u00bbdefault\u00bb border_width_all=\u00bb2px\u00bb border_color_all=\u00bb#0C997F\u00bb][\/et_pb_image][\/et_pb_column][et_pb_column type=\u00bb3_5&#8243; _builder_version=\u00bb4.9.7&#8243; _module_preset=\u00bbdefault\u00bb][et_pb_text _builder_version=\u00bb4.9.7&#8243; _module_preset=\u00bbdefault\u00bb] 2022. GONZALEZ-SANTANA, D., GONZALEZ-DAVILA, M., GONZALEZ, A. G. &amp; SANTANA-CASIANO, J. M. Coastal [&hellip;]<\/p>\n","protected":false},"author":268,"featured_media":1294,"comment_status":"open","ping_status":"closed","template":"","meta":{"_et_pb_use_builder":"on","_et_pb_old_content":"","_et_gb_content_width":"","ngg_post_thumbnail":0,"footnotes":""},"project_category":[10],"project_tag":[],"class_list":["post-1291","project","type-project","status-publish","has-post-thumbnail","hentry","project_category-recientes"],"_links":{"self":[{"href":"https:\/\/wp.ull.es\/omacc\/wp-json\/wp\/v2\/project\/1291","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/wp.ull.es\/omacc\/wp-json\/wp\/v2\/project"}],"about":[{"href":"https:\/\/wp.ull.es\/omacc\/wp-json\/wp\/v2\/types\/project"}],"author":[{"embeddable":true,"href":"https:\/\/wp.ull.es\/omacc\/wp-json\/wp\/v2\/users\/268"}],"replies":[{"embeddable":true,"href":"https:\/\/wp.ull.es\/omacc\/wp-json\/wp\/v2\/comments?post=1291"}],"version-history":[{"count":2,"href":"https:\/\/wp.ull.es\/omacc\/wp-json\/wp\/v2\/project\/1291\/revisions"}],"predecessor-version":[{"id":1302,"href":"https:\/\/wp.ull.es\/omacc\/wp-json\/wp\/v2\/project\/1291\/revisions\/1302"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/wp.ull.es\/omacc\/wp-json\/wp\/v2\/media\/1294"}],"wp:attachment":[{"href":"https:\/\/wp.ull.es\/omacc\/wp-json\/wp\/v2\/media?parent=1291"}],"wp:term":[{"taxonomy":"project_category","embeddable":true,"href":"https:\/\/wp.ull.es\/omacc\/wp-json\/wp\/v2\/project_category?post=1291"},{"taxonomy":"project_tag","embeddable":true,"href":"https:\/\/wp.ull.es\/omacc\/wp-json\/wp\/v2\/project_tag?post=1291"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}