European Directory of Marine Environmental Data (EDMED)

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General
Data set name

Geochemical Atlas of the Southern Baltic (1991-94)

Data holding centrePolish Geological Institute - National Research Institute, Branch of Marine Geology (PGI BMG)
CountryPoland  Poland
Time periodFrom 01 September 1991 to 01 September 1994
OngoingNo
Geographical area

386 sampling sites covering the 30,532 km**2 of Polish Exclusive Economic Zone (Southern Baltic)

Observations 
Parameters

Mineralogical composition; Sediment grain size parameters; Sediment accumulation rate

Instruments

Particle sizers; sediment grabs

Description 
Summary

During 1991-1993 cores of bottom sediments were taken at 368 stations in a regular grid (10x10 km). Muddy deposits from the top 0-6 cm layer were sliced into 1 cm and deposits from 6-20 cm depth into 2 cm samples, the samples of sands were taken from the top 0-5 cm layer. All samples were placed into airtight plastic boxes, frozen and stored at -20 C. For 498 samples, granulometric analysis was done and for 924 samples, chemical investigations comprised the determination of total organic carbon, Al, As, Ba, Ca, Cd, Co, Cr, Cu, Fe, Mn, Ni, P, Pb, S, Sr, V, Zn for fraction <0.2 mm separated by nylon sieve. For 6 selected cores the rate of sedimentation was determined using the 210Pb method. All analyses were done in the Central Chemical Laboratory of the Polish Geological Institute. The accuracy of the analytic methods was checked a) by analyzing international reference samples and b) through interlaboratory comparisons carried out at the Warsaw University and the Institute of Oceanology of the Polish Academy of Sciences. Results of the analyses and measurements were stored in a database using the Fox-Pro system. Distribution of elements in 0-1 cm layer and vertical distribution in selected cores are presented in printed form in 18 monoelement geochemical maps on the background of bathymetry and granulomeric type of sediments. All information on maps was digitized using the PC ARC/INFO.

OriginatorsPolish Geological Institute - National Research Institute, Branch of Marine Geology (PGI BMG)
Availability 
OrganisationPolish Geological Institute - National Research Institute, Branch of Marine Geology (PGI BMG)
AvailabilityMoratorium
ContactJarmila Krzyminska (Director of the Branch of Marine Geology of PGI)
Address

Polish Geological Institute - National Research Institute, Branch of Marine Geology (PGI BMG)
Koscierska 5
Gdansk
Pomorskie
80-328
Poland

Telephone+48 58 5542909
Facsimile+48 (58) 554 2910
Emailsekretariat.ob@pgi.gov.pl
Administration 
Collating centreInstitute of Meteorology and Water Management, Maritime Branch in Gdynia (IMWM MB)
Local identifier21006001
Global identifier1662
Last revised2009-01-08