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Mean proloculus size, delta super(13) C and delta super(18) O variations in recent benthic foraminifera from the west coast of India and their climatic implications

DRS at CSIR-National Institute of Oceanography

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Title Mean proloculus size, delta super(13) C and delta super(18) O variations in recent benthic foraminifera from the west coast of India and their climatic implications
 
Creator Nigam, R.
Sarkar, A.
 
Subject foraminifera
benthic environment
oxygen isotope dating
size
palaeoclimate
Recent
Rotalidium annectens
 
Description The interrelationship between mean proloculus size (MPS), delta super(18) O and delta super(13) C vatiations in benthic foraminiferal species Rotalidium annectens and their relation with temperature (T) and salinity (S) have been studied in samples from the inner shelf of the west coast of India. Results show that only MPS is having significant relationship (r =-0.8) with temperature and salinity. Next higher correlation is found between delta super(13) C and T and S (r = 0.51). Intrasample variabilities in delta super(18) O and delta super(13) C are rather high which may be due to disequilibrium isotopic fractionation or probably partial selection of specimens. Climatic implications of the results are discussed and few recommendations are also suggested
 
Date 2009-05-06T10:42:38Z
2009-05-06T10:42:38Z
1993
 
Type Journal Article
 
Identifier Indian Journal of Earth Sciences, Vol.20(1); 1-6p.
http://drs.nio.org/drs/handle/2264/2830
 
Language en
 
Rights Copyright [1993]. All efforts have been made to respect the copyright to the best of our knowledge. Inadvertent omissions, if brought to our notice, stand for correction and withdrawal of document from this repository.
 
Publisher Indian Society of Earth Sciences, Calcutta