+ Site Statistics
+ Search Articles
+ PDF Full Text Service
How our service works
Request PDF Full Text
+ Follow Us
Follow on Facebook
Follow on Twitter
Follow on LinkedIn
+ Subscribe to Site Feeds
Most Shared
PDF Full Text
+ Translate
+ Recently Requested

Chloride distributions as indicators of vadose zone stratigraphy in Palouse loess deposits



Chloride distributions as indicators of vadose zone stratigraphy in Palouse loess deposits



Vadose zone journal VZJ 1(1)



Chloride is often used as a conservative tracer to estimate groundwater recharge rates in arid and semiarid regions. Relationships between Cl- depth profiles and vadose zone stratigraphy have revealed new information on the behavior of this dissolved constituent in pore waters of heterogeneous materials. We measured pore-water Cl- in loess deposits of the eastern Palouse region in northern Idaho, where multiple sequences of buried soils extend to 20 m depth. Three cores were collected to bedrock at summit, side slope, and valley positions. Pore-water Cl- distribution, clay content, soil strength, and secondary Mn(d)/Fe(d) ratios were measured to identify relationships between natural tracer migration and vadose zone stratigraphy. Characterization of deep strata revealed complex sequences of extremely dense paleosol fragipans interstratified with less dense leached horizons. Abrupt changes in Cl- concentration reflect boundaries between these stratigraphic units that display contrasting physical and morphological properties. Results illustrate that loess stratigraphy influences vadose zone water movement in the Palouse. In addition, Cl- depth profiles can be used as indicators of deep stratigraphy across various landscape positions.

Please choose payment method:






(PDF emailed within 0-6 h: $19.90)

Accession: 013093890

Download citation: RISBibTeXText

DOI: 10.2136/vzj2002.1500


Related references

Land use and nitrate-nitrogen in the vadose zone of loess deposits in the southern Lower Rhenish Embayment. Zeitschrift fur Pflanzenernahrung und Bodenkunde 158(2): 157-164, 1995

Land use and nitrate-nitrogen in the vadose zone of loess deposits in the southern part of the Lower Rhenish Embayment. Zeitschrift fuer Pflanzenernaehrung und Bodenkunde 158(2): 157-164, 1995

Late quaternary stratigraphy of loess in the Channeled Scabland and Palouse regions of Washington state. Quaternary Research (orlando). 38(2): 141-156, 1992

Identification of regional soil quality factors and indicators: II. Northern Mississippi Loess Hills and Palouse Prairie. Soil Science Society of America Journal 64(6): 2125-2135, 2000

Permian deposits of the Lemvin Zone on Polar Urals; lithology, stratigraphy, and correlational indicators. Byulleten' Moskovskogo Obshchestva Ispytateley Prirody, Otdel Geologicheskiy 61(2): 130-135, 1986

The Palouse catena, Part 1 of Soils of the Palouse loess. Soil Science 76(6): 467-480, 1953

Road log for field trip through the channeled scablands and loess deposits of the Palouse area, eastern Washington. Pages 12-29 1964, 1964

Soils of the Palouse loess: I. The Palouse catena. Soil Sci 76(6): 467-480, 1953

Sources of vadose zone carbon dioxide in loess and till. Abstracts with Programs - Geological Society of America 26(7): 510, 1994

Geophysical signature of moisture distributions in the vadose zone. Proceedings of the Symposium on the Application of Geophysics to Environmental and Engineering Problems (SAGEEP) 2000: 233-242, 2000

Impacts of soil conservation measures on vadose zone drainage in the Loess Plateau, China. Geological Society of America 40.6, 2008

Hydrogeologic parameters affecting vadose zone microbial distributions. Geomicrobiology Journal 9(4): 197-216, 1991

Hydrogeologic parameters affecting vadose-zone microbial distributions. Geomicrobiology Journal 9(4): 197-216, 1992

Determination of solute distributions in the vadose zone using downhole electromagnetic induction. Vadose zone journal VZJ 3(4), 2004

Estimating the transport and fate of contaminants in the vadose zone based on physical and chemical properties of the vadose zone and chemicals of interest. Pages 203-215 1995, 1995