Balloon and core sampling for determining bulk density of alluvial desert soil
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Abstract
Samples were collected from major strata in the upper 5 m of an alluvial soil profile in the Amargosa Desert of southern Nevada to compare rubber-balloon and drive-core bulk-density measurement methods. For strate where the fine soil was <82% sand and <15% clay, differences between total and fine-soil bulk-density values determined by the two methods were typically <10 and 15%, respectively, even where rock-fragment content was as great as 48% by volume. Outside this range of fine-soil texture, where soil consistency was either very loose or very hard, the core method appeared to sample inaccurately, resulting in bulk-density values >0.30 Mg m−3 less than those determined by the balloon method. Under the severe sampling conditions encountered, large decreases in the relative accuracy of the core method were not directly related to rock-fragment content, but were related to extremes in the cohesiveness of the strata sampled.
Publication type | Article |
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Publication Subtype | Journal Article |
Title | Balloon and core sampling for determining bulk density of alluvial desert soil |
Series title | Soil Science Society of America Journal |
DOI | 10.2136/sssaj1991.03615995005500040048x |
Volume | 55 |
Issue | 4 |
Year Published | 1991 |
Language | English |
Publisher | Soil Science Society of America |
Contributing office(s) | Nevada Water Science Center, Toxic Substances Hydrology Program |
Description | 3 p. |
First page | 1188 |
Last page | 1190 |
Country | United States |
State | Nevada |
Other Geospatial | Amargosa Desert |
Google Analytic Metrics | Metrics page |