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A FREEZING CORE METHOD FOR DESCRIBING THE VERTICAL DISTRIBUTION OF SEDIMENTS IN A STREAMBED
Author(s) -
STOCKER Z. S. J.,
WILLIAMS D. DUDLEY
Publication year - 1972
Publication title -
limnology and oceanography
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.7
H-Index - 197
eISSN - 1939-5590
pISSN - 0024-3590
DOI - 10.4319/lo.1972.17.1.0136
Subject(s) - substrate (aquarium) , liquid nitrogen , nitrogen , core (optical fiber) , geology , in situ , mineralogy , environmental science , soil science , hydrology (agriculture) , chemistry , materials science , geotechnical engineering , oceanography , composite material , organic chemistry
A new technique is described for obtaining in situ samples of substrate from stony streambeds, using liquid nitrogen to freeze the substrate around a standpipe driven into the bed. Various physical parameters are calculated for the substrate obtained.