Physicochemical properties of saline soils and aeolian dust

M. J. De La Paix*, L. Lanhai, C. Xi, A. Varenyam, M. J. Nyongesah, G. Habiyaremye

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

7 Scopus citations

Abstract

Field studies were carried out near Lake Muhazi, Rwanda, to investigate the pollutants present and salinity of soils and the physicochemical content of aeolian dust. The data on aeolian dust and saline sediments showed that soil formation and salinization may be related to aeolian processes. The ecological status of the region a major cause of aeolian material in the Lake. The results revealed that dust originating from the dried bottom of the Lake and riversides contribute to the formation of East African dust storms and adversely affects the climate of the region. Apart from copper and zinc that were identified as heavy metals that polluted the Lake, petroleum products, Fe and Mn were also the main pollutants. Chemical properties of the soils are related to sediment composition of aeolian material, some elements like Zn, Fe, Cd and Cu.

Original languageEnglish
Pages (from-to)539-547
Number of pages9
JournalLand Degradation and Development
Volume24
Issue number6
DOIs
StatePublished - Nov 2013
Externally publishedYes

Keywords

  • Aeolian dust
  • Heavy metals
  • Lake Muhazi
  • Rwanda
  • Saline soils
  • Soil degradation

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