Report on data streams and data requirements

ICOS Cities deliverable 4.1 on data streams provides an overview of the observational data and a first set of associated metadata (e.g. instruments, PI, …) that are being...ICOS城市项目（ICOS Cities）中关于数据流的交付件4.1，对当前正在使用的观测数据及首批关联元数据（例如观测仪器、首席研究员（Principal Investigator，简称PI）等）进行了概述。