Sediment Geochemical Processes: Field Participation at Eckernfoerde Site (Coastal Benthic Boundary Layer Special Research Project)
Abstract
The Naval Research Laboratory (NRL) 6.1 Core Program 'Sediment Geochemical Processes' participated in field experiments in the Baltic Sea near Eckernfoerde Germany during May 1993 in conjunction with the NRL Coastal Benthic Boundary Layer Special Research Project. Samples from box cores BC244 ('APL-2/ Stanic-towers' site) and BC250 (Mittelgrund area) were analyzed for water content, average grain density, and grain size distribution. Porosity, void ratio, and wet bulk density were calculated from the water content and average grain density. The electrical resistivity of core BC250 was measured downcore, from which formation factors were calculated. These data are reported in this memorandum report. In addition, cores BC244 and BC250 were sampled for microfabric, clay-fraction mineralogy, inorganic and organic carbon contents, and total nitrogen content. These analyses are in progress. BC244, BC250, and BC265 (also from the 'APL-2/Stanic-towers' site) were analyzed for dissolved porewater concentrations of nutrients and key chemical species (pH, salinity, titration alkalinity, oxygen by microelectrode, ammonia, nitrate plus nitrite, Mn, Fe, Ca, phosphate, silicate, and sulfide) and total and microbial methane by GEOMAR, a research institute located in Kiel, Germany. The electrical resistivity of core BC265 was tested as well by GEOMAR. The GEOMAR results will be reported elsewhere.
Document Details
- Document Type
- Technical Report
- Publication Date
- Nov 10, 1993
- Accession Number
- ADA274633
Entities
People
- Cheryl L. Farno
- Kathleen M. Fischer
Organizations
- United States Naval Research Laboratory