Global Change Master Directory gsfc-gcmduso@mail.nasa.gov 50 2013-05-19T08:14:48Z http://mddemo.gsfc.nasa.gov/KeywordSearch/OpenSearch.do 5 0 http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]BURIEDWOODS-HIT1994 141.0,41.0,141.0,41.0 1989-01-01T00:00:00Z 1993-12-31T00:00:00Z 1999-08-24T04:00:00Z

The authors present the following 4 remarks as the results of caron-14 measurement in 1989-1993. (1) The sample collected at Januma, Sannohe, coincided with that excavated from Hachinohe tephra. (2) ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]ENVIRONMENT-HIT1994 140.0,40.0,141.0,41.0 1988-01-01T00:00:00Z 1993-12-31T00:00:00Z 1999-08-24T04:00:00Z

Technical comments on the chemical processing process and the calculation of ageand concentration of samples, regarding C-14 age determination and C-14concentration measurement, are given and further, ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]FARMMARINEPRO-HIT1994 141.0,40.0,141.0,41.0 1988-01-01T00:00:00Z 1994-12-31T00:00:00Z 1999-08-24T04:00:00Z

We investigated C-14 specific activity of farm products and marine products which were collected from the Rokkasho area in Aomori prefecture from 1988 to 1990. The measured C-14 specific activity ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]TRITIUMCONCENTRATION-HIT1989 140.0,40.0,141.0,40.0 1987-05-01T00:00:00Z 1989-10-31T00:00:00Z 1997-01-13T05:00:00Z

We have measured tritium concentrations in the environmental water samples using a liquid scintillation counting system since 1987. In this report we describe the technical procedures to obtain tritium ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]RADIOCARBONDATING-HIT-1993 140.0,40.0,141.0,41.0 1987-05-01T00:00:00Z 1992-10-31T00:00:00Z 1997-01-02T05:00:00Z

The authors have measured 14C age since May, 1987. In this paper, we report 40 ages of the samples measured before 1992 and also describe the related informations for each sample. The input data ...