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<p>Here we present a 15-year record (2009–2023) of quality-controlled, one-minute rainfall observations from the Da-Tun rain gauge network (DTRGN), deployed to capture fine-scale precipitation variability over Da-Tun Mountain (DT). DT, situated immediately inland of northern Taiwan’s coast, is an isolated three-dimensional volcanic massif ~15 km wide and ~1 km high, and represents a key climatological center of heavy orographic rainfall because tropical cyclones and northeasterly monsoonal flow frequently bring abundant moisture and precipitation to this mountain barrier. The DTRGN comprises 25 tipping-bucket rain gauges measuring rainfall across major mountain peaks, slopes, and valleys that are potential hotspots of orographically enhanced precipitation. We additionally provide temporal aggregations of one-minute rainfall observations at 10-minute, hourly, daily, and monthly intervals to support the research community. As a high-density, station-based rainfall dataset, DTRGN serves as an essential benchmark and resource for a broad spectrum of research and operational applications, including studies of orographic precipitation processes, tropical cyclone rainfall characterization, radar-derived precipitation correction, hydrological modeling, and assessments of long-term precipitation trends in complex terrain.</p>

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A long-term, high-density, minute-resolution rainfall dataset from the Da-Tun Mountain of Northern Taiwan during 2009–2023

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  • 发表日期：

    2026年7月25日

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  • Lin-Wen Cheng,
  • Cheng-Ku Yu,
  • Che-Yu Lin,
  • Shabeh ul Hasson

摘要

Here we present a 15-year record (2009–2023) of quality-controlled, one-minute rainfall observations from the Da-Tun rain gauge network (DTRGN), deployed to capture fine-scale precipitation variability over Da-Tun Mountain (DT). DT, situated immediately inland of northern Taiwan’s coast, is an isolated three-dimensional volcanic massif ~15 km wide and ~1 km high, and represents a key climatological center of heavy orographic rainfall because tropical cyclones and northeasterly monsoonal flow frequently bring abundant moisture and precipitation to this mountain barrier. The DTRGN comprises 25 tipping-bucket rain gauges measuring rainfall across major mountain peaks, slopes, and valleys that are potential hotspots of orographically enhanced precipitation. We additionally provide temporal aggregations of one-minute rainfall observations at 10-minute, hourly, daily, and monthly intervals to support the research community. As a high-density, station-based rainfall dataset, DTRGN serves as an essential benchmark and resource for a broad spectrum of research and operational applications, including studies of orographic precipitation processes, tropical cyclone rainfall characterization, radar-derived precipitation correction, hydrological modeling, and assessments of long-term precipitation trends in complex terrain.