USGS

Stable Hydrogen and Oxygen Isotope Ratios for Selected Sites of the U.S. Geological Survey's NASQAN and Benchmark Surface-water Networks

U.S. Geological Survey Open-File Report 00-160, Version 1.0

By Tyler B. Coplen and Carol Kendall

Abstract

Increasingly, hydrologic studies require information on the isotopic composition of natural waters. This report presents stable hydrogen (delta2H) and oxygen isotope ratios (delta18O) from 391 selected sites of the U.S. Geological Survey's National Stream Quality Accounting Network (NASQAN) and BENCHMARK surface water networks collected during the years 1984-1987. Depth-integrated samples were collected and analyzed from each site bimonthly or quarterly for about 3 years.

Contents

Abstract
Introduction
Analytical Methods
Isotope Ratios
Acknowledgments
References Cited
Isotope Data Sheets


The text and graphics are presented here in pdf format:

 

The full report is 2,581KB.

 

The isotopic data is presented here in Excel format:

 

The Excel file is 413KB.

 

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U.S. Department of the Interior, U.S. Geological Survey
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Last modified: Tuesday, September 16 2014, 01:51:15 PM
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