Off-site impacts of soil erosion and runoff: why connectivity is more important than erosion rates

J Boardman, K. Vandaele, R. Evans, I.D.L. Foster

    Research output: Contribution to journalArticleResearchpeer-review

    Abstract

    Off‐site impacts of soil erosion are of greater social and economic concern in western Europe than on‐site impacts. They fall into two related categories: muddy flooding of properties and ecological impacts on watercourses due to excessive sedimentation and associated pollutants. Critical to these impacts is the connectedness of the runoff and sediment system between agricultural fields and the river system. We argue that well‐connected systems causing off‐site damage are not necessarily related to areas of high erosion rates; emphasis should therefore be on the way in which connections occur. In temperate, arable systems, important elements of connectivity are anthropogenic in origin: roads, tracks, sunken lanes, field drains, ditches, culverts and permeable field boundaries. Mapping these features allows us to understand how they affect runoff and modify its impacts, to design appropriate mitigation measures, and to better validate model predictions. Published maps (digital and paper) do not, by themselves, give sufficient information. Field mapping and observation aided by remote sensing, is also necessary.
    Original languageEnglish
    JournalSoil Use and Management
    DOIs
    Publication statusPublished - 31 Jan 2019

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    erosion rate
    soil erosion
    connectivity
    runoff
    field margin
    digital map
    ecological impact
    farming system
    river system
    drain
    flooding
    sedimentation
    road
    remote sensing
    damage
    pollutant
    prediction
    economics
    sediment
    off-site

    Cite this

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    title = "Off-site impacts of soil erosion and runoff: why connectivity is more important than erosion rates",
    abstract = "Off‐site impacts of soil erosion are of greater social and economic concern in western Europe than on‐site impacts. They fall into two related categories: muddy flooding of properties and ecological impacts on watercourses due to excessive sedimentation and associated pollutants. Critical to these impacts is the connectedness of the runoff and sediment system between agricultural fields and the river system. We argue that well‐connected systems causing off‐site damage are not necessarily related to areas of high erosion rates; emphasis should therefore be on the way in which connections occur. In temperate, arable systems, important elements of connectivity are anthropogenic in origin: roads, tracks, sunken lanes, field drains, ditches, culverts and permeable field boundaries. Mapping these features allows us to understand how they affect runoff and modify its impacts, to design appropriate mitigation measures, and to better validate model predictions. Published maps (digital and paper) do not, by themselves, give sufficient information. Field mapping and observation aided by remote sensing, is also necessary.",
    author = "J Boardman and K. Vandaele and R. Evans and I.D.L. Foster",
    year = "2019",
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    day = "31",
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    Off-site impacts of soil erosion and runoff: why connectivity is more important than erosion rates. / Boardman, J; Vandaele, K.; Evans, R.; Foster, I.D.L.

    In: Soil Use and Management, 31.01.2019.

    Research output: Contribution to journalArticleResearchpeer-review

    TY - JOUR

    T1 - Off-site impacts of soil erosion and runoff: why connectivity is more important than erosion rates

    AU - Boardman, J

    AU - Vandaele, K.

    AU - Evans, R.

    AU - Foster, I.D.L.

    PY - 2019/1/31

    Y1 - 2019/1/31

    N2 - Off‐site impacts of soil erosion are of greater social and economic concern in western Europe than on‐site impacts. They fall into two related categories: muddy flooding of properties and ecological impacts on watercourses due to excessive sedimentation and associated pollutants. Critical to these impacts is the connectedness of the runoff and sediment system between agricultural fields and the river system. We argue that well‐connected systems causing off‐site damage are not necessarily related to areas of high erosion rates; emphasis should therefore be on the way in which connections occur. In temperate, arable systems, important elements of connectivity are anthropogenic in origin: roads, tracks, sunken lanes, field drains, ditches, culverts and permeable field boundaries. Mapping these features allows us to understand how they affect runoff and modify its impacts, to design appropriate mitigation measures, and to better validate model predictions. Published maps (digital and paper) do not, by themselves, give sufficient information. Field mapping and observation aided by remote sensing, is also necessary.

    AB - Off‐site impacts of soil erosion are of greater social and economic concern in western Europe than on‐site impacts. They fall into two related categories: muddy flooding of properties and ecological impacts on watercourses due to excessive sedimentation and associated pollutants. Critical to these impacts is the connectedness of the runoff and sediment system between agricultural fields and the river system. We argue that well‐connected systems causing off‐site damage are not necessarily related to areas of high erosion rates; emphasis should therefore be on the way in which connections occur. In temperate, arable systems, important elements of connectivity are anthropogenic in origin: roads, tracks, sunken lanes, field drains, ditches, culverts and permeable field boundaries. Mapping these features allows us to understand how they affect runoff and modify its impacts, to design appropriate mitigation measures, and to better validate model predictions. Published maps (digital and paper) do not, by themselves, give sufficient information. Field mapping and observation aided by remote sensing, is also necessary.

    UR - http://www.mendeley.com/research/offsite-impacts-soil-erosion-runoff-connectivity-more-important-erosion-rates

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    JO - Soil Use and Management

    JF - Soil Use and Management

    SN - 1475-2743

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