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Stable-isotope ratios of hydrogen and oxygen in precipitation at Norman, Oklahoma, 1996-2008

Scientific Investigations Report 2011-5262

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Abstract

Precipitation samples for measurement of stable-isotope ratios of hydrogen (delta2H) and oxygen (delta18O) were collected at the Norman Landfill Research Site in Norman, Oklahoma, from May 1996 to October 2008. Rainfall amounts also were measured at the site (U.S. Geological Survey gaging station 07229053) during the collection period. The delta2H of precipitation samples ranged from -121.9 to +8.3 per mil, and the delta18O of precipitation ranged from -16.96 to +0.50 per mil. The volume-weighted average values for delta2H and delta18O of precipitation over the 12-year measurement period were -31.13 per mil for delta2H and -5.57 per mil for delta18O. Average summer-season delta2H and delta18O values of precipitation usually were more positive (enriched in the heavier isotopes) than winter values.

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Additional Publication Details

Publication type:
Report
Publication Subtype:
USGS Numbered Series
Title:
Stable-isotope ratios of hydrogen and oxygen in precipitation at Norman, Oklahoma, 1996-2008
Series title:
Scientific Investigations Report
Series number:
2011-5262
Year Published:
2011
Language:
English
Publisher:
U.S. Geological Survey
Publisher location:
Reston, VA
Contributing office(s):
Oklahoma Water Science Center
Description:
iv, 12 p.; Appendices
First page:
i
Last page:
22
Time Range Start:
1996-01-01
Time Range End:
2008-12-31
Country:
United States
State:
Oklahoma
City:
Norman
Online Only (Y/N):
N
Additional Online Files(Y/N):
N