Definition of isopycnal in English:


Syllabification: i·so·pyc·nal
Pronunciation: /ˌīsəˈpiknl


  • (Especially of an imaginary line or surface on a map or chart) connecting points in the ocean where the water has the same density.
    More example sentences
    • Redfield ratios of remineralization are calculated based on chemical data analysis on isopycnal surfaces.
    • It is further shown that features of the spatial structure of isopycnal displacement and velocity scales may be inferred from a single station that measures potential energy fluctuations.
    • Since the isopycnal surfaces move with the fluid, this representation is in fact quasi-Lagrangian.


early 20th century: from iso- 'equal' + Greek puknos 'dense' + -al.

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