{"id":4910,"date":"2026-01-09T15:12:37","date_gmt":"2026-01-09T15:12:37","guid":{"rendered":"https:\/\/hygeos.com\/?p=4910"},"modified":"2026-01-09T15:14:38","modified_gmt":"2026-01-09T15:14:38","slug":"atmospheric-impacts-of-hunga-volvanic-eruption","status":"publish","type":"post","link":"https:\/\/hygeos.com\/en\/atmospheric-impacts-of-hunga-volvanic-eruption\/","title":{"rendered":"Atmospheric impacts of Hunga volvanic eruption"},"content":{"rendered":"<div class=\"fusion-fullwidth fullwidth-box fusion-builder-row-1 fusion-flex-container has-pattern-background has-mask-background nonhundred-percent-fullwidth non-hundred-percent-height-scrolling\" style=\"--awb-border-radius-top-left:0px;--awb-border-radius-top-right:0px;--awb-border-radius-bottom-right:0px;--awb-border-radius-bottom-left:0px;--awb-flex-wrap:wrap;\" ><div class=\"fusion-builder-row fusion-row fusion-flex-align-items-flex-start fusion-flex-content-wrap\" style=\"max-width:1224px;margin-left: calc(-2% \/ 2 );margin-right: calc(-2% \/ 2 );\"><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-0 fusion_builder_column_1_6 1_6 fusion-flex-column\" style=\"--awb-bg-size:cover;--awb-width-large:16.666666666667%;--awb-margin-top-large:0px;--awb-spacing-right-large:5.88%;--awb-margin-bottom-large:0px;--awb-spacing-left-large:5.88%;--awb-width-medium:16.666666666667%;--awb-order-medium:0;--awb-spacing-right-medium:5.88%;--awb-spacing-left-medium:5.88%;--awb-width-small:100%;--awb-order-small:0;--awb-spacing-right-small:0.98%;--awb-spacing-left-small:0.98%;\"><div class=\"fusion-column-wrapper fusion-column-has-shadow fusion-flex-justify-content-flex-start fusion-content-layout-column\"><div class=\"fusion-builder-row fusion-builder-row-inner fusion-row fusion-flex-align-items-flex-start fusion-flex-content-wrap\" style=\"width:102% !important;max-width:102% !important;margin-left: calc(-2% \/ 2 );margin-right: calc(-2% \/ 2 );\"><div class=\"fusion-layout-column fusion_builder_column_inner fusion-builder-nested-column-0 fusion_builder_column_inner_1_1 1_1 fusion-flex-column\" style=\"--awb-bg-size:cover;--awb-width-large:100%;--awb-margin-top-large:0px;--awb-spacing-right-large:0.98%;--awb-margin-bottom-large:0px;--awb-spacing-left-large:0.98%;--awb-width-medium:100%;--awb-order-medium:0;--awb-spacing-right-medium:0.98%;--awb-spacing-left-medium:0.98%;--awb-width-small:50%;--awb-order-small:0;--awb-spacing-right-small:1.96%;--awb-spacing-left-small:1.96%;\"><div class=\"fusion-column-wrapper fusion-column-has-shadow fusion-flex-justify-content-flex-start fusion-content-layout-column\"><div class=\"fusion-image-element \" style=\"--awb-aspect-ratio:1 \/ 1;--awb-caption-title-font-family:var(--h2_typography-font-family);--awb-caption-title-font-weight:var(--h2_typography-font-weight);--awb-caption-title-font-style:var(--h2_typography-font-style);--awb-caption-title-size:var(--h2_typography-font-size);--awb-caption-title-transform:var(--h2_typography-text-transform);--awb-caption-title-line-height:var(--h2_typography-line-height);--awb-caption-title-letter-spacing:var(--h2_typography-letter-spacing);\"><span class=\" fusion-imageframe imageframe-none imageframe-1 hover-type-none has-aspect-ratio\" style=\"border-radius:15px;\"><img decoding=\"async\" width=\"927\" height=\"492\" title=\"New_scientific_paper\" src=\"https:\/\/hygeos.com\/wp-content\/uploads\/New_scientific_paper.webp\" data-orig-src=\"https:\/\/hygeos.com\/wp-content\/uploads\/New_scientific_paper.webp\" class=\"lazyload img-responsive wp-image-3491 img-with-aspect-ratio\" data-parent-fit=\"cover\" data-parent-container=\".fusion-image-element\" alt srcset=\"data:image\/svg+xml,%3Csvg%20xmlns%3D%27http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%27%20width%3D%27927%27%20height%3D%27492%27%20viewBox%3D%270%200%20927%20492%27%3E%3Crect%20width%3D%27927%27%20height%3D%27492%27%20fill-opacity%3D%220%22%2F%3E%3C%2Fsvg%3E\" data-srcset=\"https:\/\/hygeos.com\/wp-content\/uploads\/New_scientific_paper-200x106.webp 200w, https:\/\/hygeos.com\/wp-content\/uploads\/New_scientific_paper-400x212.webp 400w, https:\/\/hygeos.com\/wp-content\/uploads\/New_scientific_paper-600x318.webp 600w, https:\/\/hygeos.com\/wp-content\/uploads\/New_scientific_paper-800x425.webp 800w, https:\/\/hygeos.com\/wp-content\/uploads\/New_scientific_paper.webp 927w\" data-sizes=\"auto\" data-orig-sizes=\"(max-width: 640px) 100vw, 927px\" \/><\/span><\/div><\/div><\/div><\/div><\/div><\/div><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-1 fusion_builder_column_5_6 5_6 fusion-flex-column\" style=\"--awb-bg-size:cover;--awb-width-large:83.333333333333%;--awb-margin-top-large:0px;--awb-spacing-right-large:1.176%;--awb-margin-bottom-large:0px;--awb-spacing-left-large:1.176%;--awb-width-medium:83.333333333333%;--awb-order-medium:0;--awb-spacing-right-medium:1.176%;--awb-spacing-left-medium:1.176%;--awb-width-small:100%;--awb-order-small:0;--awb-spacing-right-small:0.98%;--awb-spacing-left-small:0.98%;\"><div class=\"fusion-column-wrapper fusion-column-has-shadow fusion-flex-justify-content-flex-start fusion-content-layout-column\"><div class=\"fusion-title title fusion-title-1 fusion-sep-none fusion-title-text fusion-title-size-one\"><h1 class=\"fusion-title-heading title-heading-left\" style=\"margin:0;\">Atmospheric impacts of Hunga volvanic eruption<\/h1><\/div><div class=\"fusion-builder-row fusion-builder-row-inner fusion-row fusion-flex-align-items-flex-start fusion-flex-content-wrap\" style=\"width:102% !important;max-width:102% !important;margin-left: calc(-2% \/ 2 );margin-right: calc(-2% \/ 2 );\"><div class=\"fusion-layout-column fusion_builder_column_inner fusion-builder-nested-column-1 fusion_builder_column_inner_1_1 1_1 fusion-flex-column\" style=\"--awb-overflow:hidden;--awb-bg-color:var(--awb-custom_color_1);--awb-bg-color-hover:var(--awb-custom_color_1);--awb-bg-size:cover;--awb-border-radius:15px 15px 15px 15px;--awb-width-large:100%;--awb-margin-top-large:0px;--awb-spacing-right-large:0.98%;--awb-margin-bottom-large:0px;--awb-spacing-left-large:0.98%;--awb-width-medium:100%;--awb-order-medium:0;--awb-spacing-right-medium:0.98%;--awb-spacing-left-medium:0.98%;--awb-width-small:100%;--awb-order-small:0;--awb-spacing-right-small:0.98%;--awb-spacing-left-small:0.98%;\"><div class=\"fusion-column-wrapper fusion-column-has-shadow fusion-flex-justify-content-flex-start fusion-content-layout-column\"><div class=\"fusion-text fusion-text-1\" style=\"--awb-content-alignment:justify;\"><p>The eruption of the Hunga volcano in the South Pacific on 15<sup>th<\/sup> January 2022 produced the largest underwater explosion ever recorded by modern scientific instruments. It injected vast quantities of water vapor into the stratosphere, increasing global stratospheric water by about 10%, much of which remains in the atmosphere through 2025.<\/p>\n<p>After 4 years of work, the World Climate Research Programme (<a href=\"https:\/\/www.wcrp-climate.org\/\" target=\"_blank\" rel=\"noopener\">WCRP<\/a>), which is co-sponsored by the World Meteorological Organisation (<a href=\"https:\/\/wmo.int\" target=\"_blank\" rel=\"noopener\">WMO)<\/a>, delivered a landmark report on the global atmospheric impacts of the Hunga eruption. This international assessment, through the Atmospheric Processes And their Role in the Climate (<a href=\"https:\/\/aparc-climate.org\/\" target=\"_blank\" rel=\"noopener\">APARC<\/a>) project, brought together 159 scientists from 21 countries. \u00a0The report\u2019s seven chapters synthesize findings from observations, data analyses, and climate model simulations. It includes contributions from the Hunga Tonga\u2013Hunga Ha\u02bbapai Impact Model Observation Comparison (HTHH-MOC) project &#8211; an international modeling effort involving more than ten global climate models (<a href=\"https:\/\/doi.org\/10.5194\/gmd-18-5487-2025\" target=\"_blank\" rel=\"noopener\">Zhu et al., 2025<\/a>).<\/p>\n<p><strong>HYGEOS contributed to the HTHH-MOC project with simulations from the ECMWF <a href=\"https:\/\/www.ecmwf.int\/en\/forecasts\/documentation-and-support\/changes-ecmwf-model\" target=\"_blank\" rel=\"noopener\">IFS<\/a>-COMPO global atmospheric composition model<\/strong>.\u00a0 This work showed that IFS-COMPO manages to represent well the role of water vapour in the enhancement of particulate sulfate production, which is a specific feature of the Hunga eruption as compared to e.g. the Raikoke or the Pinatubo eruptions. It also allowed for numerous tests and improvements of the volcanic injection code of IFS-COMPO. This leads to future improvements in the representation of large volcanic events by the Copernicus Atmosphere Monitoring Service (<a href=\"https:\/\/atmosphere.copernicus.eu\/\" target=\"_blank\" rel=\"noopener\">CAMS<\/a>) that uses IFS-COMPO for its operational production.<\/p>\n<p>The report can be found at: <a href=\"https:\/\/aparc-climate.org\/publications\/aparc-report-no-11\/\" target=\"_blank\" rel=\"noopener\">https:\/\/aparc-climate.org\/publications\/aparc-report-no-11\/<\/a><\/p>\n<\/div><\/div><\/div><\/div><div class=\"fusion-builder-row fusion-builder-row-inner fusion-row fusion-flex-align-items-flex-start fusion-flex-content-wrap\" style=\"width:102% !important;max-width:102% !important;margin-left: calc(-2% \/ 2 );margin-right: calc(-2% \/ 2 );\"><div class=\"fusion-layout-column fusion_builder_column_inner fusion-builder-nested-column-2 fusion_builder_column_inner_1_6 1_6 fusion-flex-column\" style=\"--awb-bg-size:cover;--awb-width-large:16.666666666667%;--awb-margin-top-large:0px;--awb-spacing-right-large:5.88%;--awb-margin-bottom-large:0px;--awb-spacing-left-large:5.88%;--awb-width-medium:16.666666666667%;--awb-order-medium:0;--awb-spacing-right-medium:5.88%;--awb-spacing-left-medium:5.88%;--awb-width-small:100%;--awb-order-small:0;--awb-spacing-right-small:0.98%;--awb-spacing-left-small:0.98%;\"><div class=\"fusion-column-wrapper fusion-column-has-shadow fusion-flex-justify-content-flex-start fusion-content-layout-column\"><div style=\"text-align:left;\"><a class=\"fusion-button button-flat button-small button-default fusion-button-default button-1 fusion-button-span-no fusion-button-default-type\" target=\"_self\" href=\"https:\/\/hygeos.com\/en\/News\/\"><i class=\"fa-arrow-left fas awb-button__icon awb-button__icon--default button-icon-left\" aria-hidden=\"true\"><\/i><span class=\"fusion-button-text awb-button__text awb-button__text--default\">Go back<\/span><\/a><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div>\n","protected":false},"excerpt":{"rendered":"<p>HYGEOS contributes to an international scientific report on the atmospheric impacts of the Hunga volcano eruption <\/p>\n","protected":false},"author":2,"featured_media":3491,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[18],"tags":[],"class_list":["post-4910","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-publications"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - 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