请输入您要查询的单词:

 

单词 pedalfer
释义

pedalfer

English

Etymology

From pedo- (relating to soil) + Latin al(umen) + fer(rum).

Pronunciation

  • IPA(key): /pəˈdælfəɹ/

Noun

pedalfer (plural pedalfers)

  1. (geology) Soil containing aluminum and iron that lacks a hardened layer of carbonates.
    • 1976, Anthony Young, Tropical Soils and Soil Survey, 1980, Cambridge University Press, page 130,
      In respect of properties of the fine fraction, lithosols may be pedalfers or pedocals, but their morphology is dominated by rock, stones or concretionary material. Regosols, immature soils on sands, are included in this group for convenience.
    • 1995, Terry R. West, Geology Applied to Engineering, 2010, page 160,
      The three most important groups are pedalfers, pedocals, and laterites. [] A pedalfer is a soil in which much clay and iron have been added to the B horizon.
    • 2012, William M. Marsh, Martin M. Kaufman, Physical Geography: Great Systems and Global Environments, page 315,
      These are called the pedocals and pedalfers. Pedalfers are humid-climate soils where leaching is dominant. The al and the fer in the pedalfer refer to the concentrations of aluminum and iron (ferum) that are found in the zone of illuviation.

Derived terms

  • pedalferic

See also

  • laterite
  • lithosol
  • pedocal
  • FAO soil classification on Wikipedia.Wikipedia
  • USDA soil taxonomy on Wikipedia.Wikipedia
随便看

 

国际大辞典收录了7408809条英语、德语、日语等多语种在线翻译词条,基本涵盖了全部常用单词及词组的翻译及用法,是外语学习的有利工具。

 

Copyright © 2004-2023 idict.net All Rights Reserved
京ICP备2021023879号 更新时间:2024/10/3 17:33:54