Genesis of soils with an abrupt textural contrast in the United States
详细信息 查看全文
- 作者：James G. Bockheim ; bockheim@wisc.edu" class="auth_mail" title="E-mail the corresponding author
- 关键词：Soil classification ; Soil formation ; Texture-contrast soils ; Duplex soils ; Soil Taxonomy
- 刊名：Catena
- 出版年：2016
- 出版时间：February 2016
- 年：2016
- 卷：137
- 期：Complete
- 页码：422-431
- 全文大小：982 K
文摘
- •
Abrupt textural change soils in 4 orders, 14 suborders, 31 great groups & 1000 series in USA
- •
ATC soils fine-textured, high in smectitic clay
- •
Eluvial-illuvial horizons vary by 2 soil textural classes
- •
53% of ATC soils in pale- great groups
- •
Clay illuviation, parent material layering &lithologic discontinuities main sources of ATC