The Role of Convective Intensity in Modulating the Earth's Radiative Balance (Data)
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README for datasets used in Pilewskie and L'Ecuyer, 2025, "The Role of Convective Intensity in Modulating the Earth's Radiative Balance", Journal of Climate tropicsCO_v2_06to16_110624.csv: Contains tropical oceanic Convective Objects (COs) and their properties identified using CloudSat and CALIPSO observations Conditions for COs that are stored: Convective fraction (number of convective precipitation profiles / number of all precipitation profiles in CO) > 0.2 Freezing level > 2 km relative Center of Gravity (rCoG) - Freezing level > 1 km Mean latitude and longitude of CO is located where the product between the convective core length and rCoG is the largest anvil_cod_iwp_cre_06to16_040424.csv: CloudSat 2B-FLXHR-LIDAR shortwave (SW) cloud optical depth (COD) summed over convective object anvils only profiles Top-of-atmosphere SW, longwave (LW), and net cloud radiative effects (CREs) of each convective object anvil profile Three files containing the number of CloudSat overpasses within 8 degree x 2 degree grid boxes separated daytime-only ('Day'), nighttime-only ('Night'), and combined day and night ('Day_and_Night'): CSat_overpasses_8x2_Day_06to11.csv CSat_overpasses_8x2_Night_06to11.csv CSat_overpasses_8x2_Day_and_Night_06to11.csv
数据集说明文档对应Pilewskie与L'Ecuyer于2025年发表于《气候学报》("Journal of Climate")的论文《对流强度对地球辐射平衡的调控作用》("The Role of Convective Intensity in Modulating the Earth's Radiative Balance")所使用的数据集。 tropicsCO_v2_06to16_110624.csv: 收录了基于CloudSat与CALIPSO观测数据识别的热带海洋对流物体(Convective Objects, COs)及其各项属性参数。 存储的对流物体需满足以下筛选条件: - 对流占比(对流降水廓线数 / 对流物体内总降水廓线数)> 0.2 - 冻结层高度 > 2 km - 相对质心(relative Center of Gravity, rCoG)与冻结层的高度差 > 1 km 对流物体的平均经纬度取对流核心长度与rCoG乘积最大的空间位置。 anvil_cod_iwp_cre_06to16_040424.csv: 该文件包含仅针对对流物体云砧廓线的CloudSat 2B-FLXHR-LIDAR短波(shortwave, SW)云光学厚度(cloud optical depth, COD)求和结果,以及每条对流物体云砧廓线对应的大气层顶短波、长波(longwave, LW)云辐射效应(cloud radiative effects, CREs)与净云辐射效应。 另有3个数据文件,分别存储仅日间('Day')、仅夜间('Night')以及昼夜合并('Day_and_Night')场景下8°×2°网格内的CloudSat过境次数: - CSat_overpasses_8x2_Day_06to11.csv - CSat_overpasses_8x2_Night_06to11.csv - CSat_overpasses_8x2_Day_and_Night_06to11.csv



