GRQA: Global River Water Quality Archive

<p>Large-scale hydrological studies are often limited by the lack of available observation data with a good spatiotemporal coverage. This has affected the reproducibility of previous studies and the potential improvement of existing hydrological models. In addition to the observation data them...

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Autores principales:	H. Virro, G. Amatulli, A. Kmoch, L. Shen, E. Uuemaa
Formato:	article
Lenguaje:	EN
Publicado:	Copernicus Publications 2021
Materias:	Environmental sciences GE1-350 Geology QE1-996.5
Acceso en línea:	https://doaj.org/article/9c5e65695134447783cbf790a60986df
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spelling	oai:doaj.org-article:9c5e65695134447783cbf790a60986df2021-11-30T13:33:08ZGRQA: Global River Water Quality Archive10.5194/essd-13-5483-20211866-35081866-3516https://doaj.org/article/9c5e65695134447783cbf790a60986df2021-11-01T00:00:00Zhttps://essd.copernicus.org/articles/13/5483/2021/essd-13-5483-2021.pdfhttps://doaj.org/toc/1866-3508https://doaj.org/toc/1866-3516<p>Large-scale hydrological studies are often limited by the lack of available observation data with a good spatiotemporal coverage. This has affected the reproducibility of previous studies and the potential improvement of existing hydrological models. In addition to the observation data themselves, insufficient or poor-quality metadata have also discouraged researchers from integrating the already-available datasets. Therefore, improving both the availability and quality of open water quality data would increase the potential to implement predictive modeling on a global scale.</p> <p>The Global River Water Quality Archive (GRQA) aims to contribute to improving water quality data coverage by aggregating and harmonizing five national, continental and global datasets: CESI (Canadian Environmental Sustainability Indicators program), GEMStat (Global Freshwater Quality Database), GLORICH (GLObal RIver CHemistry), Waterbase and WQP (Water Quality Portal). The GRQA compilation involved converting observation data from the five sources into a common format and harmonizing the corresponding metadata, flagging outliers, calculating time series characteristics and detecting duplicate observations from sources with a spatial overlap. The final dataset extends the spatial and temporal coverage of previously available water quality data and contains 42 parameters and over 17 million measurements around the globe covering the 1898–2020 time period. Metadata in the form of statistical tables, maps and figures are provided along with observation time series.</p> <p>The GRQA dataset, supplementary metadata and figures are available for download on the DataCite- and OpenAIRE-enabled Zenodo repository at <a href="https://doi.org/10.5281/zenodo.5097436">https://doi.org/10.5281/zenodo.5097436</a> <span class="cit" id="xref_paren.1">(<a href="#bib1.bibx81">Virro et al.</a>, <a href="#bib1.bibx81">2021</a>)</span>.</p>H. VirroG. AmatulliG. AmatulliA. KmochL. ShenL. ShenE. UuemaaCopernicus PublicationsarticleEnvironmental sciencesGE1-350GeologyQE1-996.5ENEarth System Science Data, Vol 13, Pp 5483-5507 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Environmental sciences GE1-350 Geology QE1-996.5
spellingShingle	Environmental sciences GE1-350 Geology QE1-996.5 H. Virro G. Amatulli G. Amatulli A. Kmoch L. Shen L. Shen E. Uuemaa GRQA: Global River Water Quality Archive
description	<p>Large-scale hydrological studies are often limited by the lack of available observation data with a good spatiotemporal coverage. This has affected the reproducibility of previous studies and the potential improvement of existing hydrological models. In addition to the observation data themselves, insufficient or poor-quality metadata have also discouraged researchers from integrating the already-available datasets. Therefore, improving both the availability and quality of open water quality data would increase the potential to implement predictive modeling on a global scale.</p> <p>The Global River Water Quality Archive (GRQA) aims to contribute to improving water quality data coverage by aggregating and harmonizing five national, continental and global datasets: CESI (Canadian Environmental Sustainability Indicators program), GEMStat (Global Freshwater Quality Database), GLORICH (GLObal RIver CHemistry), Waterbase and WQP (Water Quality Portal). The GRQA compilation involved converting observation data from the five sources into a common format and harmonizing the corresponding metadata, flagging outliers, calculating time series characteristics and detecting duplicate observations from sources with a spatial overlap. The final dataset extends the spatial and temporal coverage of previously available water quality data and contains 42 parameters and over 17 million measurements around the globe covering the 1898–2020 time period. Metadata in the form of statistical tables, maps and figures are provided along with observation time series.</p> <p>The GRQA dataset, supplementary metadata and figures are available for download on the DataCite- and OpenAIRE-enabled Zenodo repository at <a href="https://doi.org/10.5281/zenodo.5097436">https://doi.org/10.5281/zenodo.5097436</a> <span class="cit" id="xref_paren.1">(<a href="#bib1.bibx81">Virro et al.</a>, <a href="#bib1.bibx81">2021</a>)</span>.</p>
format	article
author	H. Virro G. Amatulli G. Amatulli A. Kmoch L. Shen L. Shen E. Uuemaa
author_facet	H. Virro G. Amatulli G. Amatulli A. Kmoch L. Shen L. Shen E. Uuemaa
author_sort	H. Virro
title	GRQA: Global River Water Quality Archive
title_short	GRQA: Global River Water Quality Archive
title_full	GRQA: Global River Water Quality Archive
title_fullStr	GRQA: Global River Water Quality Archive
title_full_unstemmed	GRQA: Global River Water Quality Archive
title_sort	grqa: global river water quality archive
publisher	Copernicus Publications
publishDate	2021
url	https://doaj.org/article/9c5e65695134447783cbf790a60986df
work_keys_str_mv	AT hvirro grqaglobalriverwaterqualityarchive AT gamatulli grqaglobalriverwaterqualityarchive AT gamatulli grqaglobalriverwaterqualityarchive AT akmoch grqaglobalriverwaterqualityarchive AT lshen grqaglobalriverwaterqualityarchive AT lshen grqaglobalriverwaterqualityarchive AT euuemaa grqaglobalriverwaterqualityarchive
_version_	1718406579044220928

GRQA: Global River Water Quality Archive

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