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Dispersal scaling from the world's rivers

Geophysical Research Letters

By:
,
DOI: 10.1029/2003GL019114

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Abstract

Although rivers provide important biogeochemical inputs to oceans, there are currently no descriptive or predictive relationships of the spatial scales of these river influences. Our combined satellite, laboratory, field and modeling results show that the coastal dispersal areas of small, mountainous rivers exhibit remarkable self-similar scaling relationships over many orders of magnitude. River plume areas scale with source drainage area to a power significantly less than one (average = 0.65), and this power relationship decreases significantly with distance offshore of the river mouth. Observations of plumes from large rivers reveal that this scaling continues over six orders of magnitude of river drainage basin areas. This suggests that the cumulative area of coastal influence for many of the smallest rivers of the world is greater than that of single rivers of equal watershed size. Copyright 2004 by the American Geophysical Union.

Additional Publication Details

Publication type:
Article
Publication Subtype:
Journal Article
Title:
Dispersal scaling from the world's rivers
Series title:
Geophysical Research Letters
DOI:
10.1029/2003GL019114
Volume
31
Issue:
4
Year Published:
2004
Language:
English
Contributing office(s):
Coastal and Marine Geology Program
Larger Work Type:
Article
Larger Work Subtype:
Journal Article