基于通量测量的稻田甲烷排放特征及影响因素研究
宋朝清, 刘伟, 陆海波, 袁文平

Characteristics and Drivers of Methane Fluxes from a Rice Paddy Based on the Flux Measurement
Chaoqing Song, Wei Liu, Haibo Lu, Wenping Yuan
表1 不同阶段空气温度、PPFDVPDCO2通量、GEPCH4通量的统计情况
Table 1 The statistics of air temperature (Tair), PPFD, VPD, CO2 fluxes, GEP, and CH4 fluxes during different periods
时间段空气温度/℃PPFD/[μmol/(m2·s)]VPD/kPaCO2通量/[μmol/(m2·s)]GEP/[μmol/(m2·s)]CH4通量/[μmol/(m2·s)]
最大值最小值平均值最大值最小值平均值最大值最小值平均值最大值最小值平均值最大值最小值平均值最大值最小值平均值
营养生长阶段32.7127.0930.95565.10199.21431.641.730.721.18-0.89-8.12-3.9931.4411.6721.640.690.410.53
生殖生长阶段31.7122.1927.28522.5453.99318.421.220.350.843.55-10.60-2.7036.9711.3223.040.500.150.29
成熟阶段24.0816.3219.51400.3027.84203.601.070.190.623.26-2.96-0.3919.795.0614.45
休耕阶段18.759.8415.62312.0025.10151.941.150.180.525.201.423.035.660.001.510.030.010.02