basin order

basin order

[′bās·ən ‚ȯrd·ər]
(geology)
A classification of basins according to stream drainage; for example, a first-order basin contains all of the drainage area of a first-order stream.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive ?
In 2013 the Group proceeded to another stage by drilling pilot wells in Ahnet basin order to determine their productivity.