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Compaction of modern soft sediments during core sampling; an in situ investigation at an estuary site

Guodong Zheng, Bokuichiro Takano, Motoyuki Matsuo and Yuto Tanaka
Compaction of modern soft sediments during core sampling; an in situ investigation at an estuary site
Environmental Geosciences (September 2002) 9 (3): 109-114

Abstract

The vertical compaction of unconsolidated subsurface sediment was investigated at the Tama river estuary in Tokyo, Japan. The cores were taken by hand using polybutyrate tubes with different inner diameters, and core compaction ratios were measured in situ. Percent compaction varied with depth within the same core and with the inner diameter of a coring tube as well as its wall thickness. These results strongly suggest that vertical compaction of soft sediments during coring should be well documented in published articles relevant to the time-dependent analysis of sedimentary environments. Otherwise, comparison of one core with another could be misleading in discussions focused on modern soft sediment.


ISSN: 1075-9565
EISSN: 1526-0984
Serial Title: Environmental Geosciences
Serial Volume: 9
Serial Issue: 3
Title: Compaction of modern soft sediments during core sampling; an in situ investigation at an estuary site
Affiliation: University of Tokyo, Graduate School of Arts and Sciences, Tokyo, Japan
Pages: 109-114
Published: 200209
Text Language: English
Publisher: Blackwell Science, Cambridge, MA, United States
References: 21
Accession Number: 2003-014002
Categories: Sedimentary petrologyEngineering geology
Document Type: Serial
Bibliographic Level: Analytic
Illustration Description: illus. incl. sect., 1 table, sketch map
N35°45'00" - N35°45'00", E139°30'00" - E139°30'00"
Country of Publication: United States
Secondary Affiliation: GeoRef, Copyright 2018, American Geosciences Institute.
Update Code: 200305
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