<p>We present the first long-term monitoring dataset collected using a transient electromagnetic (TEM) instrument specifically designed for geophysical monitoring applications. The dataset consists of 762 measurements acquired between January 19<sup>th</sup>, 2023, and September 05<sup>th</sup>, 2025, from the island of Falster, southwestern part of Denmark, an area where saltwater intrusion is a recurring issue. The dataset displays a high consistency throughout the period, which is the foundation for a reliable interpretation over time. The dataset provides a valuable opportunity for researchers to test and validate advanced TEM inversion algorithms, including deterministic, Monte Carlo or probabilistic inversion algorithms, thereby contributing to the advancement of time-lapse studies using TEM methods.</p>

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A Unique Long-term Monitoring Transient Electromagnetic Dataset

  • Juan Carlos Zamora Luria,
  • Anders Vest Christiansen

摘要

We present the first long-term monitoring dataset collected using a transient electromagnetic (TEM) instrument specifically designed for geophysical monitoring applications. The dataset consists of 762 measurements acquired between January 19th, 2023, and September 05th, 2025, from the island of Falster, southwestern part of Denmark, an area where saltwater intrusion is a recurring issue. The dataset displays a high consistency throughout the period, which is the foundation for a reliable interpretation over time. The dataset provides a valuable opportunity for researchers to test and validate advanced TEM inversion algorithms, including deterministic, Monte Carlo or probabilistic inversion algorithms, thereby contributing to the advancement of time-lapse studies using TEM methods.