Validation of C3S SM combined v202505 vs C3S SM active v202505 vs C3S SM passive v202505 vs ISMN 20250617 global

QA4SM validation: C3S SM combined v202505 vs C3S SM active v202505 vs C3S SM passive v202505 vs ISMN 20250617 global. URL: https://qa4sm.eu/ui/validation-result/33e5467e-351e-44c5-96ed-8e55ff60043c. Produced on QA4SM (https://qa4sm.eu)QA4SM（土壤湿度质量保证，Quality Assurance for Soil Moisture）验证结果：针对C3S组合式土壤湿度（Soil Moisture，SM）v202505、C3S主动式土壤湿度v202505、C3S被动式土壤湿度v202505与ISMN（国际土壤湿度网络，International Soil Moisture Network）20250617全球数据集的对比验证。验证链接：https://qa4sm.eu/ui/validation-result/33e5467e-351e-44c5-96ed-8e55ff60043c，本结果由QA4SM平台（https://qa4sm.eu）生成。