A Daily High-Resolution (1 km) Human Thermal Index Collection over the North China Plain from 2003 to 2020
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The daily <strong>Hi</strong>gh spatial resolution human <strong>T</strong>hermal <strong>I</strong>ndex <strong>C</strong>ollection over the <strong>North China Plain </strong>(<strong>HiTIC-NCP</strong>) includes <em><strong>near-surface air temperature</strong></em><strong> </strong>(SAT) and 11 commonly used<strong> </strong><em><strong>human-perceived temperature</strong></em><strong> </strong>indices: indoor Apparent Temperature (AT<sub>in</sub>), outdoor shaded Apparent Temperature (AT<sub>out</sub>), Discomfort Index (DI), Effective Temperature (ET), Heat Index (HI), Humidex (HMI), Modified Discomfort Index (MDI), Net Effective Temperature (NET), Wet-Bulb Temperature (WBT), simplified Wet-Bulb Globe Temperature (sWBGT), and Wind Chill Temperature (WCT). This daily dataset has a high spatial resolution of 1 km × 1 km and covers the North China Plain<strong> </strong>from January 2003 to December 2020. It has high accuracy with averaged determination coefficient, mean absolute error, and root mean squared error of 0.987, 0.970 °C, and 1.292 °C, respectively. The dataset is stacked by year and each stack consists of 365 daily images in NetCDF format by day of the year. The unit of the dataset is 0.01 degree Celsius (°C), and the values are stored in an integer type (Int16) to save storage space, and thus need to be divided by 100 to get the values in degree Celcius when in use. The geographic coordinate system of the dataset is World Geodetic System (WGS) 1984 Coordinate System. Naming rules and other details can be found in "README.pdf". If you have any questions when using the HiTIC-NCP dataset, please feel free to contact Mr. Xiang Li via lixiang97@mail2.sysu.edu.cn, Dr. Ming Luo via luom38@mail.sysu.edu.cn, or Dr. Yongquan Zhao via yqzhao@link.cuhk.edu.hk. More details on the procedure of producing the HiTIC-NCP dataset and its accuracy assessment can be found in: Li, X., Luo, M*., Zhao, Y*., Zhang, H., Ge, E., Huang, Z., Wu, S., Wang, P., Wang X., Tang Y. (2023). A daily high-resolution (1 km) human thermal index collection over the North China Plain from 2003 to 2020. <em>Scientific Data</em>, 10, 634. https://doi.org/10.1038/s41597-023-02535-y
华北平原逐日高空间分辨率人类热指数数据集（HiTIC-NCP）包含近地表气温（near-surface air temperature, SAT）与11种常用人体感知热指数：室内表观温度（indoor Apparent Temperature, AT_in）、室外阴凉处表观温度（outdoor shaded Apparent Temperature, AT_out）、不舒适度指数（Discomfort Index, DI）、有效温度（Effective Temperature, ET）、热指数（Heat Index, HI）、湿度指数（Humidex, HMI）、修正不舒适度指数（Modified Discomfort Index, MDI）、净有效温度（Net Effective Temperature, NET）、湿球温度（Wet-Bulb Temperature, WBT）、简化湿球黑球温度（simplified Wet-Bulb Globe Temperature, sWBGT）以及风寒温度（Wind Chill Temperature, WCT）。 该数据集为逐日产品，空间分辨率高达1 km × 1 km，覆盖范围为华北平原，时间跨度为2003年1月至2020年12月。其精度表现优异，平均决定系数、平均绝对误差与均方根误差分别为0.987、0.970 ℃与1.292 ℃。 数据集按年份分块存储，每个分块包含365张按日序排列的NetCDF格式逐日影像。数据集的存储单位为0.01摄氏度（℃），数值以整数类型（Int16）存储以节省存储空间，使用时需将存储值除以100以转换为实际摄氏度数值。该数据集采用世界大地坐标系1984（World Geodetic System 1984, WGS 1984）作为地理坐标系。 命名规则与其他细节可参见"README.pdf"。若在使用HiTIC-NCP数据集时遇到任何问题，可通过以下邮箱联系：李祥先生（lixiang97@mail2.sysu.edu.cn）、罗明博士（luom38@mail.sysu.edu.cn）或赵永全博士（yqzhao@link.cuhk.edu.hk）。 关于HiTIC-NCP数据集的制作流程与精度评估细节，可参考以下文献：Li, X., Luo, M*., Zhao, Y*., Zhang, H., Ge, E., Huang, Z., Wu, S., Wang, P., Wang X., Tang Y. (2023). 华北平原2003—2020年逐日高分辨率（1 km）人类热指数数据集[J]. 《科学数据》, 10, 634. https://doi.org/10.1038/s41597-023-02535-y
