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Yang, Bernard; Wells, Mathew G.; McMeans, Bailey C.; Dugan, Hilary A.; Rusak, James A.; Weyhenmeyer, Gesa A.; Brentrup, Jennifer A.; Hrycik, Allison R.; Laas, Alo; Pilla, Rachel M.; Austin, Jay A.; Blanchfield, Paul J.; Carey, Cayelan C.; Guzzo, Matthew M.; Lottig, Noah R.; MacKay, Murray D.; Middel, Trevor A.; Pierson, Don C.; Wang, Junbo; Young, Joelle D.

A New Thermal Categorization of Ice‐Covered Lakes

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  • Medientyp: E-Artikel
  • Titel: A New Thermal Categorization of Ice‐Covered Lakes
  • Beteiligte: Yang, Bernard; Wells, Mathew G.; McMeans, Bailey C.; Dugan, Hilary A.; Rusak, James A.; Weyhenmeyer, Gesa A.; Brentrup, Jennifer A.; Hrycik, Allison R.; Laas, Alo; Pilla, Rachel M.; Austin, Jay A.; Blanchfield, Paul J.; Carey, Cayelan C.; Guzzo, Matthew M.; Lottig, Noah R.; MacKay, Murray D.; Middel, Trevor A.; Pierson, Don C.; Wang, Junbo; Young, Joelle D.
  • Erschienen: American Geophysical Union (AGU), 2021
  • Erschienen in: Geophysical Research Letters, 48 (2021) 3
  • Sprache: Englisch
  • DOI: 10.1029/2020gl091374
  • ISSN: 0094-8276; 1944-8007
  • Entstehung:
  • Anmerkungen:
  • Beschreibung: <jats:title>Abstract</jats:title><jats:p>Lakes are traditionally classified based on their thermal regime and trophic status. While this classification adequately captures many lakes, it is not sufficient to understand seasonally ice‐covered lakes, the most common lake type on Earth. We describe the inverse thermal stratification in 19 highly varying lakes and derive a model that predicts the temperature profile as a function of wind stress, area, and depth. The results suggest an additional subdivision of seasonally ice‐covered lakes to differentiate underice stratification. When ice forms in smaller and deeper lakes, inverse stratification will form with a thin buoyant layer of cold water (near 0°C) below the ice, which remains above a deeper 4°C layer. In contrast, the entire water column can cool to ∼0°C in larger and shallower lakes. We suggest these alternative conditions for dimictic lakes be termed “cryostratified” and “cryomictic.”</jats:p>
  • Zugangsstatus: Freier Zugang