To what extent do hydrothermal systems disturb the temperature field of the Molasse Basin?

低温热年代学是量化造山带及其前陆盆地埋出历史的重要工具。然而，目前对前陆盆地热年代学数据集的解释可能经常有偏差，因为没有考虑到地下水流动的热效应。我们建议在阿尔卑斯山脉北部前陆盆地Molasse盆地研究一个活跃的热液系统对温度和温度计的印记。我们建议通过收集一个提供两个温泉的热液系统周围的高密度低温热年代学数据来量化热液活动对热年代学信号的影响。将这一新数据集与逆热模型相结合，将提供有关热液活动年龄和持续时间的信息。这些结果将对前陆盆地的温度表上的活动热液系统的印记进行第一次经验检验。如果发现了一个强烈的印记，这就意味着，在拥有热液活动的前陆盆地中，现有的温度表解释可能必须进行修订。研究结果对地热能也有启示；热液系统周围的高温区是地热能勘探的有利目标，因此必须更好地了解它们的寿命。

Low-temperature thermochronology is a key tool to quantify the burial and exhumation history of orogens and their foreland basins. However, current interpretations of thermochronological datasets in foreland basins may frequently be biased because thermal effects of groundwater flow are not taken into account. We propose to study the imprint of an active hydrothermal system on temperatures and thermochronometers in the northern foreland basin of the Alps, the Molasse Basin. We propose to quantify the influence of hydrothermal activity on the thermochronological signal by collecting high density low-temperature thermochronology data around a hydrothermal system that feeds two hot springs. Combining this new dataset with inverse thermal models will provide information on the age and duration of hydrothermal activity. The results will yield the first empirical test of the imprint of an active hydrothermal system on thermochronometers in a foreland basin. If a strong imprint is found, this implies that existing interpretations of thermochronometers in foreland basins that host hydrothermal activity may have to be revised. The results also have implications for geothermal energy; high temperature zones around hydrothermal systems form favorable targets for the exploration of geothermal energy, and thus their longevity must be better understood.