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The alpha activity of soils in relation to landscape development

Journal Article:

Abstract

The alpha activity of soils and the degree of the equilibrium of the thorium series has been related to the age of soils developed on a truncated laterite landscape in southwestern Australia. The uplift of the old lateritic plateau has formed a sequence of erosional and depositional surfaces which form the parent materials of the present-day soils. These surfaces because of their different relative ages have been subjected to different degrees of weathering and leaching. The alpha activity of the soils formed on these different landscape surfaces is influenced firstly by the amount of weathering that the surface has undergone, and secondly by the degree of leaching that the soil has undergone as evidenced by profile development. It has been found that the younger soils have higher alpha activities with the thorium series tending more towards equilibrium when compared with older soils, where the alpha activity is lower due to the leaching of the daughter nuclides from the profile.
Authors:
Pepper, R G; Quirk, J P [1] 
  1. Western Australia Univ., Nedlands. Dept. of Soil Science and Plant Nutrition
Publication Date:
Feb 01, 1976
Product Type:
Journal Article
Reference Number:
AIX-07-248332; EDB-76-076532
Resource Relation:
Journal Name: Aust. J. Soil Res.; (Australia); Journal Volume: 14:1
Subject:
54 ENVIRONMENTAL SCIENCES; SOILS; RADIONUCLIDE MIGRATION; ALPHA DECAY; DAUGHTER PRODUCTS; EQUILIBRIUM; LEACHING; MINERALOGY; THORIUM ISOTOPES; THORIUM MINERALS; ACTINIDE ISOTOPES; DECAY; DISSOLUTION; ENVIRONMENTAL TRANSPORT; ISOTOPES; MASS TRANSFER; MINERALS; PARTICLE DECAY; RADIOACTIVE MATERIALS; RADIOACTIVE MINERALS; SEPARATION PROCESSES; 510301* - Environment, Terrestrial- Radioactive Materials Monitoring & Transport- Soil- (-1987)
OSTI ID:
7358449
Country of Origin:
Australia
Language:
English
Other Identifying Numbers:
Journal ID: CODEN: ASORA
Submitting Site:
INIS
Size:
Pages: 25-32
Announcement Date:
Jul 01, 1976

Journal Article:

Citation Formats

Pepper, R G, and Quirk, J P. The alpha activity of soils in relation to landscape development. Australia: N. p., 1976. Web. doi:10.1071/SR9760025.
Pepper, R G, & Quirk, J P. The alpha activity of soils in relation to landscape development. Australia. doi:10.1071/SR9760025.
Pepper, R G, and Quirk, J P. 1976. "The alpha activity of soils in relation to landscape development." Australia. doi:10.1071/SR9760025. https://www.osti.gov/servlets/purl/10.1071/SR9760025.
@misc{etde_7358449,
title = {The alpha activity of soils in relation to landscape development}
author = {Pepper, R G, and Quirk, J P}
abstractNote = {The alpha activity of soils and the degree of the equilibrium of the thorium series has been related to the age of soils developed on a truncated laterite landscape in southwestern Australia. The uplift of the old lateritic plateau has formed a sequence of erosional and depositional surfaces which form the parent materials of the present-day soils. These surfaces because of their different relative ages have been subjected to different degrees of weathering and leaching. The alpha activity of the soils formed on these different landscape surfaces is influenced firstly by the amount of weathering that the surface has undergone, and secondly by the degree of leaching that the soil has undergone as evidenced by profile development. It has been found that the younger soils have higher alpha activities with the thorium series tending more towards equilibrium when compared with older soils, where the alpha activity is lower due to the leaching of the daughter nuclides from the profile.}
doi = {10.1071/SR9760025}
journal = {Aust. J. Soil Res.; (Australia)}
volume = {14:1}
journal type = {AC}
place = {Australia}
year = {1976}
month = {Feb}
}