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THE RELATIONSHIP BETWEEN COMMERCIAL AND RECREATIONAL USE OF NAVIGATION LOCKS ON THE UPPER MISSISSIPPI RIVER 1
Author(s) -
Gramann James H.,
McAvoy Leo,
Absher James D.,
Burdge Rabel J.
Publication year - 1984
Publication title -
jawra journal of the american water resources association
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.957
H-Index - 105
eISSN - 1752-1688
pISSN - 1093-474X
DOI - 10.1111/j.1752-1688.1984.tb02841.x
Subject(s) - barge , recreation , lock (firearm) , environmental science , hydrology (agriculture) , traffic volume , transport engineering , geography , engineering , marine engineering , ecology , archaeology , geotechnical engineering , biology
Navigation locks on the Upper Mississippi River currently receive heavy use from both commercial barge traffic and recreational craft. Multiple regression analysis of lockage statistics suggests a critical level may exist, below which barge traffic volume has little impact on recreational lock use, but above which it physically constrains recreational lockage. The capacity of the Upper Mississippi River for lock chambers at Alton, Illinois. This may adversely impact recreational use of locks by raising commercial traffic levels above the critical level at several other locks on the river.