Dataset: Statistical evaluation of methane isotopic signatures determined during near-source measurements

Methane isotopic signature data collected during cotrolled release experiment. Cotrolled took place in September 2019 in Bedford and was a collaboration between NPL, RHUL and LSCE. Bag samples were collected during releases and measured aftterwards or using IRMs or CRDS. CRDS AirCore sampling was made in situ during methane release. Data were used to verify methods used to determien methane isotopic signature from mobile indorect measurements.本数据集为受控甲烷释放实验中采集的甲烷同位素特征（methane isotopic signature）数据。该实验于2019年9月在贝德福德开展，由英国国家物理实验室（NPL）、皇家霍洛威学院（RHUL）与气候与环境科学实验室（LSCE）联合完成。实验释放阶段采集气袋样本，后续检测既可采用常规方式，也可借助同位素比率质谱仪（IRMs）或腔衰荡光谱仪（CRDS）完成；甲烷释放期间同步开展了基于AirCore采样的腔衰荡光谱原位采样工作。本数据集用于验证通过移动间接测量获取甲烷同位素特征的相关方法。