Development of a freshwater lens in the inverted Broad Fourteens Basin, Netherlands offshore

L. Bouw, G.H.P. Oude Essink

    Research output: Contribution to JournalArticleAcademicpeer-review

    Abstract

    The Mesozoic Broad Fourteens Basin is a northwest-southeast trending structural element, situated in the southern North Sea, Netherlands offshore. Biodegraded and water-washed oils in the southern Broad Fourteens Basin indicate topography-driven meteoric water flow during Late Cretaceous inversion. Density-driven groundwater flow models support the development of a freshwater lens in the northern Broad Fourteens Basin during Late Cretaceous inversion. Three model scenarios with basin-scale permeabilities and water table heads within the range of most likely values show the possible development of a freshwater lens in the northern Broad Fourteens Basin. The freshwater-saltwater interface is located at a depth of 200-1200 m below mean sea level. Near steady-state flow conditions are reached within 1.5-4 Myr. © 2003 Elsevier Science B.V. All rights reserved.
    Original languageEnglish
    Pages (from-to)321-325
    Number of pages5
    JournalJournal of Geochemical Exploration
    Volume78-79
    DOIs
    Publication statusPublished - 2003

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