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Title: Isotopic data of pore water extracted from unsaturated-zone cores at Yucca Mountain, Nevada

Abstract

Isotopic compositions of unsaturated-zone (UZ) ground water ({delta}{sup 18}O, {delta}D, {delta}{sup 13}C and {sup 14}C) at Yucca Mountain, Nevada, the site of a potential permanent national nuclear waste repository, can be used to infer the origins of water, residence times of the water, water flux, climatic and evaporative history of water, flow paths and velocities. These data can also be used as indicators of transport properties or water-rock interaction. The lack of long-term direct measurements of infiltration requires proxy indicators of water movement through the unsaturated zone to extend the record into the past. This report will discuss {delta}D and {delta}{sup 18}O data obtained from pore water, along with the {delta}{sup 13}C and {sup 14}C data of gas and water obtained from four boreholes dry-drilled through all UZ lithologic units to infer the existence of nonvertical flowpaths through the mountain and residence times of pore water.

Authors:
Publication Date:
Research Org.:
Geological Survey, Lakewood, CO (United States)
Sponsoring Org.:
Geological Survey, Reston, VA (United States)
OSTI Identifier:
671925
Report Number(s):
CONF-971241-2
ON: DE98005649; TRN: 99:000814
DOE Contract Number:  
AI08-92NV10874
Resource Type:
Conference
Resource Relation:
Conference: Field testing and associated modeling of potential high-level nuclear waste geologic disposal sites workshop, Berkeley, CA (United States), 15-16 Dec 1997; Other Information: PBD: Dec 1997
Country of Publication:
United States
Language:
English
Subject:
05 NUCLEAR FUELS; YUCCA MOUNTAIN; RADIOACTIVE WASTE FACILITIES; SITE CHARACTERIZATION; GROUND WATER; ISOTOPE RATIO; OXYGEN 18; DEUTERIUM; CARBON 13; CARBON 14; ENVIRONMENTAL TRANSPORT

Citation Formats

Yang, I C. Isotopic data of pore water extracted from unsaturated-zone cores at Yucca Mountain, Nevada. United States: N. p., 1997. Web. doi:10.2172/776455.
Yang, I C. Isotopic data of pore water extracted from unsaturated-zone cores at Yucca Mountain, Nevada. United States. https://doi.org/10.2172/776455
Yang, I C. 1997. "Isotopic data of pore water extracted from unsaturated-zone cores at Yucca Mountain, Nevada". United States. https://doi.org/10.2172/776455. https://www.osti.gov/servlets/purl/671925.
@article{osti_671925,
title = {Isotopic data of pore water extracted from unsaturated-zone cores at Yucca Mountain, Nevada},
author = {Yang, I C},
abstractNote = {Isotopic compositions of unsaturated-zone (UZ) ground water ({delta}{sup 18}O, {delta}D, {delta}{sup 13}C and {sup 14}C) at Yucca Mountain, Nevada, the site of a potential permanent national nuclear waste repository, can be used to infer the origins of water, residence times of the water, water flux, climatic and evaporative history of water, flow paths and velocities. These data can also be used as indicators of transport properties or water-rock interaction. The lack of long-term direct measurements of infiltration requires proxy indicators of water movement through the unsaturated zone to extend the record into the past. This report will discuss {delta}D and {delta}{sup 18}O data obtained from pore water, along with the {delta}{sup 13}C and {sup 14}C data of gas and water obtained from four boreholes dry-drilled through all UZ lithologic units to infer the existence of nonvertical flowpaths through the mountain and residence times of pore water.},
doi = {10.2172/776455},
url = {https://www.osti.gov/biblio/671925}, journal = {},
number = ,
volume = ,
place = {United States},
year = {Mon Dec 01 00:00:00 EST 1997},
month = {Mon Dec 01 00:00:00 EST 1997}
}

Conference:
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