Ward Valley An Examination of Seven Issues in Earth Sciences and Ecology (1995) / Chapter Skim
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APPENDIX E - DISSENTING STATEMENT ON ISSUE 1
APPENDIX E - DISSENTING STATEMENT ON ISSUE 1
Pages 225-226
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From page 225... ...
Since the data sets indicate much more rapid and more copious vadose zone water transport than acknowledged in the license application, they raise considerable concern about the suitability of the site for a LLRW repository. Without a resolution of this uncertainty by showing the absence of tritium at depth and the absence of a downward vertical gradient (or a defensible explanation for both phenomena)
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From page 226... ...
Since the raised cap will have no surface water runon from upsiope areas, much of the time the soil moisture will be reduced and hence the cap mI} not be able to support as dense a vegetative cover During infrequent periods of heavy rainfall, more water may infiltrate than can be evapotranspired by the sparse vegetation before the water has time to percolate deep into the cap and then into the waste. Studies referenced in the report have found that unvegetated arid regions can have significant water fluxes and water fluxes could also be greater through a sparsely vegetated cap during periods of heavy rainfall.
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