Data from: Comparing winter versus summer deepwater dissolved oxygen depletion with the potential for cross-seasonal forecasting of deepwater oxygen availability
Rattachement africain : us, de, ca, no, es, ee. Niveau de preuve : code pays fourni par la source.
Le résumé fourni par la source
Depletion of deepwater dissolved oxygen (DO) in lakes has become increasingly prevalent and severe due to many external stressors, potentially threatening human-derived ecosystem services ranging from drinking water quality to fisheries. Using year-round, high-frequency DO data from 12 dimictic lakes, we compared three measures of deepwater DO depletion during winter and summer: DO depletion rate, DO minimum, and hypoxia duration. Hypoxia (DO < 3 mg L-1) occurred in over half of the lakes and persisted an average of 83% longer in summer than in winter. While we found no difference in DO depletion rates between winter versus summer, these rates were strongly related to lake morphology in winter but water transparency and temperature in summer. Winter hypoxia duration was negatively related to summer hypoxia duration, suggesting potential utility for forecasting DO depletion in the subsequent summer. Spring mixing efficacy was strongly related to winter minimum DO saturation and hypoxia duration, and was also a strong predictor of summer minimum DO saturation and hypoxia duration. Hence, these cross-seasonal patterns suggest deepwater DO metrics can be used to forecast DO availability in subsequent seasons, modified by the relative importance of morphology, water transparency, and temperature. These findings can allow for improved, early management when DO is predicted to be critically low based on previous seasons’ DO measurements, which can work to minimize the negative consequences for water quality and fisheries health associated with severe DO depletion.
Ce résumé expose les affirmations des auteurs. BNTIC ne l’interprète pas comme une validation indépendante des résultats.
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Oak Ridge National Laboratory pays non établi dans la noticeStructure de recherche
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Miami University pays non établi dans la noticeUniversité ou école supérieure
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Rensselaer Polytechnic Institute pays non établi dans la noticeUniversité ou école supérieure
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Leibniz Institute of Freshwater Ecology and Inland Fisheries pays non établi dans la noticeStructure de recherche
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Berlin Brandenburg Institute of Advanced Biodiversity Research pays non établi dans la noticeInstitution
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Université Laval pays non établi dans la noticeUniversité ou école supérieure
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University of Oslo Norwegian Institute for Water Research pays non établi dans la noticeUniversité ou école supérieure
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Norwegian Institute for Water Research pays non établi dans la noticeOrganisation à but non lucratif
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Hospital de Guadarrama pays non établi dans la noticeÉtablissement de santé
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Parque Nacional de la Sierra de Guadarrama pays non établi dans la noticeOrganisme public
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Estonian University of Life Sciences pays non établi dans la noticeUniversité ou école supérieure
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Queen's University Dorset Environmental Science Centre pays non établi dans la noticeUniversité ou école supérieure
Oak Ridge National Laboratory, Miami University et Rensselaer Polytechnic Institute, avec 9 autres affiliations.
Une affiliation ne permet pas de déduire la nationalité d’un auteur.