Dynamics of nitrogen and carbon content of aeolian dry deposition in an arid region

Z. Y. Offer, S. Sarig, Y. Steinberger

    Research output: Contribution to journalArticlepeer-review

    12 Scopus citations

    Abstract

    There is a comparatively large dry aeolian deposition in Negev Desert. The aim of this study was to quantify the contribution of this deposition and of deposited C and ? pools. Amounts of aeolian dry deposition and airborne particle concentration near the ground were measured. Total ? and dissolvable organic C were determined in the deposited soil surface layer and in airborne particles. The annual mean airborne particle concentration during 3 years varied from 100 to 113 μg m-3. The deposited airborne particle accumulation (difference between the total deposition and deflation-erosion) varied from 110 to 220 g m-1 yr-1 at the two sites studied. The C and ? content in the airborne particles and in the dry deposit was significantly higher in the loessical site than in the lithosol site. Considering the differences in the amounts of total dry deposition and the deposited C and N, it becomes possible to address the ecological role of the dry deposition in the ecosystem.

    Original languageEnglish
    Pages (from-to)193-199
    Number of pages7
    JournalArid Soil Research and Rehabilitation
    Volume10
    Issue number2
    DOIs
    StatePublished - 1 Apr 1996

    Keywords

    • Airborne particles
    • Atmospheric dust
    • Desert
    • Negev

    ASJC Scopus subject areas

    • Plant Science
    • Earth-Surface Processes

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