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Methodology
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"text": "The time series are based both on direct pH measurement data from the Hawaii Ocean Time-series, obtained from the Aloha station, and gap-filling calculations using data "
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"text": "Global mean surface ocean pH values derived from the Copernicus Marine Service are based on a reconstruction method using in situ data and remote sensing data, as well as empirical relationships. Indicator is available at annual resolution, and from the year 1985 onwards, up to 2024. Error on each yearly value varies and is added in the data file sheet. Trend and uncertainty are defined as the slope and its residual standard deviation estimated with a linear least-squares regression."
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Definition
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Unit of measure
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Policy / environmental relevance
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"text": "Acidification is addressed in the "
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"text": ". One of the targets under Sustainable Development Goal (SDG) 14 (\u2018Conserve and sustainably use the oceans, seas and marine resources for sustainable development\u2019), SDG 14.3, is to \u2018Minimize and address the impacts of ocean acidification, including through enhanced scientific cooperation at all levels\u2019."
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"footnote": "<?xml version=\"1.0\"?>\n<div class=\"csl-bib-body\" style=\"line-height: 1.35; \">\n <div class=\"csl-entry\">EC, 2020, Proposal for a regulation of the European Parliament and of the Council establishing the framework for achieving climate neutrality and amending Regulation (EU) 2018/1999 (European Climate Law), COM(2020) 80 final</div>\n</div>\n",
"footnoteTitle": "EC, 2020, Proposal for a regulation of the Europea",
"uid": "zopll",
"zoteroId": "QCRFQFV5"
},
"type": "zotero"
},
{
"text": ""
}
],
"data": {
"url": "https://eur-lex.europa.eu/legal-content/EN/TXT/?qid=1588581905912&uri=CELEX:52020PC0080"
},
"type": "link"
},
{
"text": " to ensure a climate-neutral European Union by 2050 as a part of the "
},
{
"children": [
{
"text": "European Green Deal"
}
],
"data": {
"footnote": "<?xml version=\"1.0\"?>\n<div class=\"csl-bib-body\" style=\"line-height: 1.35; \">\n <div class=\"csl-entry\">EC, 2019, Communication from the Commission to the European Parliament, the European Council, the Council, the European Economic and Social Committee and the Committee of the Regions ‘The European Green Deal’, COM(2019) 640 final of 11 December 2019.</div>\n</div>\n",
"footnoteTitle": "EC, 2019, Communication from the Commission to the",
"uid": "82EKX",
"zoteroId": "IUCRLJNB"
},
"type": "zotero"
},
{
"text": ". This law is designed to establish a basis for adaptable management, with focus on the implementation of mitigation measures, the monitoring of progress and the improvement of management approaches if needed."
}
],
"type": "p"
}
]
Frequency of dissemination
1
Accuracy and uncertainties
[
{
"children": [
{
"text": "No methodology uncertainty has been specified."
}
],
"type": "p"
},
{
"children": [
{
"text": ""
}
],
"type": "h4"
},
{
"children": [
{
"text": "No data set uncertainty has been specified."
}
],
"type": "p"
},
{
"children": [
{
"text": ""
}
],
"type": "h4"
},
{
"children": [
{
"text": "No rationale uncertainty has been specified."
}
],
"type": "p"
}
]
