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Thumbnail Icon [Science_Parameters: Science_Category='EARTH SCIENCE', Science_Topic='PALEOCLIMATE', Science_Term='OCEAN/LAKE RECORDS', Science_Variable_Level_1='ISOTOPES']

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1. The Climate TimeLine Information Tool: "Exploring Weather & Climate Change Through the Powers of 10" [NCDC_CLIMATE_TIMELINE]
"http://www.ncdc.noaa.gov/paleo/ctl/" Designed as an online tool allowing users to examine climate change and variability at different time scales, the Climate TimeLine has been developed through ...

2. TracerLPM - An Excel Workbook for Interpreting Groundwater Age Distributions from Environmental Tracer Data [USGS_TracerLPM]
TracerLPM is an interactive Excel (2007 or later) workbook program for evaluating groundwater age distributions from environmental tracer data by using lumped parameter models (LPMs). Lumped parameter ...

3. Laboratory Information Management System (LIMS) [USGS_LIMS]
LIMS for Light Stable Isotopes is a Microsoft Access database program for managing samples, analyses, reports, and other data in a stable isotope (and tritium, carbon-14, and chlorofluorocarbon) laboratory. ...

4. Virtual Dating: Isochron and Radiocarbon - Geology Labs On-line [Virtual_Dating-02]   PARENT SERF
Virtual Dating models the theory and processes whereby ages of older rocks (> 100 million years) are determined from the Isochron method applied to Rb/Sr isotopic compositions. This activity also ...

5. Inter-Laboratory Mass Spectrometer Calibration Programs [NOAA_NCDC_PALEO_1999-065]
These are Inter-Laboratory Mass Spectrometer Calibration Programs using empirically derived equations as described in Ostermann (2000). FORTRAN program files mat_convert.f and mat_unmix.f, and ...

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