Sedimentation, accretion, and subsidence in marshes of Barataria Basin, Louisiana
Journal Article
·
· Limnol. Oceanogr.; (United States)
Vertical accretion and sediment accumulation rates were determined from the distribution of /sup 137/Cs in cores collected from fresh water, intermediate, brackish, and salt marshes in the Barataria Basin, Louisiana. Vertical accretion rates vary from about 1.3 cm.yr/sup -1/ in levee areas to 0.7 in backmarshes. Mineral sediment content of the marsh soil profile decreased with distance from the coast. Except in natural levee areas, marsh accretion rates are less than subsidence measured by water level data, however this alone cannot account for observed land-loss patterns in the basin area.
- Research Organization:
- Louisiana State Univ., Baton Rouge
- OSTI ID:
- 7018466
- Journal Information:
- Limnol. Oceanogr.; (United States), Journal Name: Limnol. Oceanogr.; (United States) Vol. 28:3; ISSN LIOCA
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
520101* -- Environment
Aquatic-- Basic Studies-- Radiometric Techniques-- (-1989)
54 ENVIRONMENTAL SCIENCES
58 GEOSCIENCES
580100 -- Geology & Hydrology-- (-1989)
ALKALI METAL ISOTOPES
AQUATIC ECOSYSTEMS
BETA DECAY RADIOISOTOPES
BETA-MINUS DECAY RADIOISOTOPES
CESIUM 137
CESIUM ISOTOPES
DRILL CORES
ECOSYSTEMS
ENVIRONMENTAL TRANSPORT
FEDERAL REGION VI
FRESH WATER
GROUND SUBSIDENCE
HYDROGEN COMPOUNDS
HYDROLOGY
ISOTOPE APPLICATIONS
ISOTOPES
LOUISIANA
MARSHES
MASS TRANSFER
NORTH AMERICA
NUCLEI
ODD-EVEN NUCLEI
OXYGEN COMPOUNDS
RADIOISOTOPES
SEDIMENTATION
TRACER TECHNIQUES
USA
WATER
WETLANDS
YEARS LIVING RADIOISOTOPES
Aquatic-- Basic Studies-- Radiometric Techniques-- (-1989)
54 ENVIRONMENTAL SCIENCES
58 GEOSCIENCES
580100 -- Geology & Hydrology-- (-1989)
ALKALI METAL ISOTOPES
AQUATIC ECOSYSTEMS
BETA DECAY RADIOISOTOPES
BETA-MINUS DECAY RADIOISOTOPES
CESIUM 137
CESIUM ISOTOPES
DRILL CORES
ECOSYSTEMS
ENVIRONMENTAL TRANSPORT
FEDERAL REGION VI
FRESH WATER
GROUND SUBSIDENCE
HYDROGEN COMPOUNDS
HYDROLOGY
ISOTOPE APPLICATIONS
ISOTOPES
LOUISIANA
MARSHES
MASS TRANSFER
NORTH AMERICA
NUCLEI
ODD-EVEN NUCLEI
OXYGEN COMPOUNDS
RADIOISOTOPES
SEDIMENTATION
TRACER TECHNIQUES
USA
WATER
WETLANDS
YEARS LIVING RADIOISOTOPES