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            <gco:CharacterString>Vibrisses : seuils de détection d'anomalies pour différents éléments traces (RMQS)</gco:CharacterString>
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                <gmd:LocalisedCharacterString locale="#EN">Vibrisses: anomaly detection thresholds for different trace elements (RMQS)</gmd:LocalisedCharacterString>
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                <gmd:LocalisedCharacterString locale="#FR">Vibrisses : seuils de détection d'anomalies pour différents éléments traces (RMQS)</gmd:LocalisedCharacterString>
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        <gco:CharacterString>Ce jeu de données rassemble les résultats du calcul d'indicateurs pouvant servir de seuils de détection d’anomalies en éléments traces (arsenic, cadmium, cobalt, chrome, cuivre, mercure, nickel, plomb, thallium, zinc) dans les sols de surface. Ces indicateurs correspondent à des vibrisses* calculées à partir d’un ensemble de mesures situées dans un rayon de 50 km autour du point considéré. Les mesures correspondent à des teneurs totales en éléments traces et proviennent des sites du Réseau de Mesures pour les horizons 0-30 cm (tous les éléments) et 30-50 cm (sauf pour l’arsenic et le Mercure).    On considère ici que ces calculs régionalisés des vibrisses jouent un rôle d'indicateur de tendance régionale prenant en compte à la fois les valeurs de fonds pédo-géochimiques et les apports d'origine anthropique. Elles correspondent à la teneur limite au-delà de laquelle une valeur peut être considérée comme anomalique. Elles permettent ainsi de détecter les anomalies ponctuelles tout en s'affranchissant de la valeur de fond locale.     *La vibrisse (supérieure) d'un ensemble de valeurs d'une variable statistique est égale au 3ème quartile augmenté de 1,5 fois l'écart entre les 1ers et 3èmes quartiles.</gco:CharacterString>
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            <gmd:LocalisedCharacterString locale="#EN">This dataset gathers the results of the calculation of indicators that can serve as detection thresholds for trace element anomalies (arsenic, cadmium, cobalt, chromium, copper, mercury, nickel, lead, thallium, zinc) in surface soils . These indicators correspond to vibrisses calculated from a set of measurements located within a radius of 50 km around the considered point. The measurements correspond to total contents of trace elements and come from the sites of the Network of Measurements for horizons 0-30 cm (all elements) and 30-50 cm (except for arsenic and Mercury).    We consider here that these regionalized calculations of the vibrisses play a role of indicator of regional tendency taking into account both the values ​​of pedo-geochemical bottoms and the contributions of anthropic origin. They correspond to the limit content beyond which a value can be considered as anomalous. They thus make it possible to detect punctual anomalies while avoiding the local background value.</gmd:LocalisedCharacterString>
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            <gmd:LocalisedCharacterString locale="#FR">Ce jeu de données rassemble les résultats du calcul d'indicateurs pouvant servir de seuils de détection d’anomalies en éléments traces (arsenic, cadmium, cobalt, chrome, cuivre, mercure, nickel, plomb, thallium, zinc) dans les sols de surface. Ces indicateurs correspondent à des vibrisses* calculées à partir d’un ensemble de mesures situées dans un rayon de 50 km autour du point considéré. Les mesures correspondent à des teneurs totales en éléments traces et proviennent des sites du Réseau de Mesures pour les horizons 0-30 cm (tous les éléments) et 30-50 cm (sauf pour l’arsenic et le Mercure).    On considère ici que ces calculs régionalisés des vibrisses jouent un rôle d'indicateur de tendance régionale prenant en compte à la fois les valeurs de fonds pédo-géochimiques et les apports d'origine anthropique. Elles correspondent à la teneur limite au-delà de laquelle une valeur peut être considérée comme anomalique. Elles permettent ainsi de détecter les anomalies ponctuelles tout en s'affranchissant de la valeur de fond locale.     *La vibrisse (supérieure) d'un ensemble de valeurs d'une variable statistique est égale au 3ème quartile augmenté de 1,5 fois l'écart entre les 1ers et 3èmes quartiles.</gmd:LocalisedCharacterString>
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                <gmd:LocalisedCharacterString locale="#EN">The values provided on the anomaly detection thresholds must be handled with care. The interpretations that are made must take into account the rather frustrating nature of these indicators. Indeed, it is important to note that the calculations do not take into account local soil processes.</gmd:LocalisedCharacterString>
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