2020-2022年固城站农田生态系统碳水通量观测数据集

A dataset of carbon and water fluxes in the winter wheat and summer maize rotation ecosystem at Gucheng Station(2020–2022)

河北固城农业气象国家野外科学观测研究站(固城站)是科技部批准的国家野外科学观测研究站之一,地处华北平原北部灌溉高产农业区,生态类型为典型的华北冬小麦–夏玉米一年两熟制农田生态系统。固城站基于涡度相关技术开展了农田生态系统碳水通量的长期连续观测。本数据集收集整理了2020–2022年固城站最新的碳水通量综合观测资料,按照中国通量观测研究网络(ChinaFlux)的通量数据质量控制与处理技术体系要求,进行数据质量控制与处理,形成标准化的碳水通量和辅助气象环境要素数据集,可用于农田生态系统碳收支评估、水资源利用和农业防灾减灾。

Hebei Gucheng Agricultural Meteorology National Observation and Research Station(Gucheng Station)is one of the national field scientific observation and research stations approved by the Ministry of Science and Technology(MOST).Located in the irrigated high-yield agricultural area in the northern part of the North China Plain,it is a typical North China winter wheat-summer maize rotation system.Based on the eddy covariance technique,the observation of cropland ecosystem carbon and water fluxes has been carried out at Gucheng Station for a long time.Following the ChinaFLUX data processing protocols,we collected the carbon and water fluxes and auxiliary meteorological environment observations of the winter wheat and summer maize rotation ecosystem at Gucheng Station from 2020 to 2022,and produced a standardized dataset after data quality control and processing.This dataset has important scientific significance and practical application value in the assessment of farmland ecosystem carbon budget,water resources utilization,and the mitigation of the impact of adverse meteorological conditions on farmland ecosystems and agricultural production.