Radiocarbon Data from Indian Tree-Rings and Corals: IndiaC14.readme file
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               World Data Center A- Paleoclimatology
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NOTE: PLEASE CITE ORIGINAL REFERENCES WHEN USING THIS DATA!!!!!


NAME OF DATA SET: Radiocarbon data from Indian Tree-Rings and Corals 
LAST UPDATE: 5/1995 (Original receipt by WDC-A)
CONTRIBUTOR: Dr. S. Chakraborty, Earth Science Division, Physical Research Laboratory,
Navrangpura, Ahmedabad 380 009, India   email: suprio@prl.ernet.in

IGBP PAGES/WDCA Data Contribution Series #:  95-007
SUGGESTED DATA CITATION: 
Chakraborty, S., 1995, Tree-Ring and Coral Data, India.  IGBP PAGES/World Data Center-A for
Paleoclimatology Data Contribution Series # 95-007.  NOAA/NGDC Paleoclimatology Program,
Boulder CO, USA.

ORIGINAL REFERENCES:
Chakraborty S., Ramesh R., and Krishnaswami S (1994) Air-sea
exchange of CO2 in the Gulf of Kutch, northern Arabian Sea based on 
bomb-carbon in corals and tree rings. Proc. Indian Acad. Sci 
(Earth Planet. Sci.) 103:329-340.

Bhushan R., Chakraborty S., and Krishnaswami S. (1994) Physical
Research Laboratory (Chemistry) radiocarbon date list CH-1. 
Radiocarbon 36:251-256.


GEOGRAPHIC REGION: Western India
PERIOD OF RECORD: 1949-1990
LIST OF FILES: GKHD14C.DAT, THTRD14C.DAT, IndiaC14.Readme.

DESCRIPTION:  The data were generated using a TASK Benzene Synthesizer 
and a Packard Liquid Scintillation Analyzer, model 2250 CA, at the Chemistry 
Laboratory, Physical Research Laboratory, Ahmedabad 380 009, India, 
by S. Chakraborty.

DATA SET-1
File: GKHD14C.DAT
Coral species: Favia speciosa
latitude: 22 36'N, longitude: 70 E
bathymetry/elevation: ~1m water depth
variable names: Radiocarbon (Del14C)
variable unit: permil
data precision: 7 permil
data format: col. 1: sample code; col. 2: year of growth; col. 3: Del14C
Time span: 1949-1990 at 2-3 yr resolution

DATA SET-2
File: THTRD14C.DAT
Tree species: Tectona grandis
Site: Thane, India     
Latitude: 19 14'N
Longitude: 73 24'E
Variable name: Radiocarbon (Del14C)
Variable unit: permil
data precision: 8 permil
data format: col 1: sample code; col 2: year of growth; col 3: Del14C
Time span: 1960-1980 at 1-2 yr resolution