Dataset: PolarCAP/CLOUDLAB campaign in Eriswil, Switzerland, data from the INP contrast study in January and February 2024 used in the publication in ACP: Ice-nucleating particle depletion in the wintertime boundary layer in the pre-Alpine region during stratus cloud conditions

The 2DVD data for 8-12 January 2024 and 26-29 February 2024 can be found in the folder 2DVD.zip. More detailed information on the filter samples in Eriswil and Hohenpeißenberg can be found in Filter_info_HPB_ERI.zip. Surface temperature information from the HATPRO sensor can be found in HATPRO_temperatures.zip. Meteorological data from windsond launches can be found in Windsond.zip. Radar reflectivity measurements with RPG94 can be found in Radar_RPG94.zip. Funding for this study was provided by the Deutsche Forschungsgemeinschaft (DFG, German Research Foundation) within the priority program SPP 2115 PROM via project numbers 408027490 (PolarCAP) and 408008112 (PICNICC, CORSIPP), by the European Union’s Horizon Europe projects CleanCloud (grant no. 101137639), the European Union’s Horizon 2020 research and innovation program (CLOUDLAB, grant agreement no. 101021272), the European Union's EU‐HORIZON-WIDERA-2021 twinning program (BRACE‐MY, grant no. 101079385) and the DFG project EMPOS (project number 516261703). The LACROS infrastructure received financial support via ACTRIS-D, which is funded by the Federal Ministry of Education and Research of Germany under the funding code 01LK2001A.2024年1月8日至12日以及2024年2月26日至29日的2DVD数据可于2DVD.zip文件夹中获取。 关于埃里斯维尔（Eriswil）与霍恩佩森贝格（Hohenpeißenberg）的滤波样本的详细信息，可查阅Filter_info_HPB_ERI.zip。 来自HATPRO传感器的地表温度信息可于HATPRO_temperatures.zip中获取。 由风探仪施放获取的气象数据可于Windsond.zip中查阅。 采用RPG94雷达获取的雷达反射率测量数据可于Radar_RPG94.zip中获取。 本研究的资助由德国研究基金会（Deutsche Forschungsgemeinschaft, DFG）通过优先项目SPP 2115 PROM下的项目编号408027490（PolarCAP）与408008112（PICNICC、CORSIPP）提供支持；同时获得欧盟地平线欧洲（Horizon Europe）项目CleanCloud（资助编号101137639）、欧盟地平线2020研究与创新计划项目CLOUDLAB（资助协议编号101021272）、欧盟EU-HORIZON-WIDERA-2021伙伴项目BRACE-MY（资助编号101079385），以及德国研究基金会项目EMPOS（项目编号516261703）的资助。LACROS基础设施的经费支持来自ACTRIS-D，该机构由德国联邦教育与研究部以资助编号01LK2001A提供资金支持。