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Hack's relation and optimal channel networks: The elongation of river basins as a consequence of energy minimization
Author(s) -
IjjaszVasquez Ede J.,
Bras Rafael L.,
RodriguezIturbe Ignacio
Publication year - 1993
Publication title -
geophysical research letters
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 2.007
H-Index - 273
eISSN - 1944-8007
pISSN - 0094-8276
DOI - 10.1029/93gl01517
Subject(s) - minification , channel (broadcasting) , work (physics) , energy (signal processing) , property (philosophy) , energy minimization , competition (biology) , environmental science , relation (database) , geology , computer science , mathematical optimization , telecommunications , mathematics , statistics , physics , philosophy , ecology , epistemology , quantum mechanics , database , biology , thermodynamics
As pointed by Hack (1957), river basins tend to become longer and narrower as their size increases. This work shows that this property may be partially regarded as the consequence of competition and minimization of energy expenditure in river basins.