Diurnal Characteristics of Ecosystem Respiration of Alpine Meadow on the Qinghai-Tibetan Plateau: Implications for Carbon Budget Estimation

Table 1

Daily mean values of Re calculated from 9:00 to 11:00 h a.m. local time and from 0:00 to 23:00 h before and after exclusion of the effect of wind.

Date	Before exclusion of the effect of wind			After exclusion of the effect of wind
	0:00–23:30	9:00–11:00	Overestimate (%)	0:00–23:30	9:00–11:00	Overestimation (%)
22-May	1.09	1.32	21.13	1.15	1.25	9.09
02-Jun	1.33	2.09	57.69	1.32	2.09	58.13
14-Jun	2.09	2.54	21.94	2.11	2.54	20.71
20-Jun	2.86	3.72	30.23	2.86	3.72	30.23
05-Jul	2.39	3.65	53.05	2.46	3.65	48.55
17-Jul	2.19	2.52	15.07	2.19	2.52	15.07
21-Jul	2.65	2.88	8.42	2.65	2.88	8.42
24-Jul	2.68	3.46	28.96	2.72	3.46	27.09
03-Aug	5.63	6.20	10.18	5.35	6.20	15.85
19-Aug	2.87	3.63	26.58	2.86	3.63	27.14
23-Aug	2.93	3.56	21.54	2.93	3.56	21.54
03-Sep	2.21	2.71	22.91	2.21	2.71	22.91
Mean	2.58	3.19	23.90	2.57	3.19	24.08