Interannual Variations of Water and Carbon Dioxide Fluxes over a Semiarid Alpine Steppe on the Tibetan Plateau

Table 2

Periodical average of the daytime-mean shortwave radiation (Rs), air temperature (Ta), soil temperature at 5 cm depth (Ts), vapor pressure deficit (VPD), wind speed (WS), soil water content at 5 cm depth (SWC), and periodical sum of precipitation (PPT) for the growing season from 2014 to 2017.

	Rs	Ta [°C]	Ts [°C]	WS []	VPD [kPa]	SWC []	PPT [mm]
2014	218.7	9.4	12.5	3.37	0.53	0.15	209.6
2015	278.1	11.5	15.1	4.40	0.91	0.08	121.3
2016	240.6	10.1	13.8	4.15	0.61	0.13	392.1
2017	247.2	10.8	14.9	4.21	0.64	0.13	373.5