Impact of Wind Direction on Erodibility of a Hortic Anthrosol in Southeastern Spain

Author:

Guerrero Rocío,Valenzuela Juan L.ORCID,Monterroso Alejandro I.ORCID,Asensio CarlosORCID

Abstract

We tested an efficient, easily and economically manufactured wind-transported particle collector of our own design, called a multidirectional trap (MDt), on fine-tilled Anthrosols. Results from the logs of nine vaned masts, each with four MDt collectors at different heights, showed a clear predominance of northeast and south winds. After analyzing sediment transport rates and their balance, we found that sediments from the south were being deposited rather than lost. A large amount of phyllosilicates, which are highly adhesive sediments, and therefore, increase aggregation, decreasing erodibility, were captured in the upper traps. Moreover, they are rich in calcium carbonate, mainly calcite, which is a powerful aggregate, and therefore, also decreases their wind erodibility. Sediments from the northeast, however, with almost double the total mass transport, contained the largest amount of captured quartz, promoting abrasion and increasing soil erodibility. Nevertheless, large amounts of organic matter found in sediments from the NE led to some aggregation, which balances material lost.

Funder

Andalusia Regional Government

Publisher

MDPI AG

Subject

Plant Science,Agronomy and Crop Science,Food Science

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