Abstract
We present a new approach for the reconstruction of the Earth's magnetic field intensity during the last 200,000 years based on 10Be in deep-sea sediments. A simple box model that is able to describe boundary scavenging of 10Be in the ocean is used to study the sensitivity of 10Be to changes of water circulation and/or varying particle rain rates. The model is applied to separate transport and production signal in single 10Be records. Vertical sediment accumulation rates are used as input values for the model calculations. The calculated scavenging factors are applied to correct the 10Be records for boundary scavenging. The model corrected 10Be based paleointensity record correlates well with other records from very different archives.
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