190234.fig.003a
(a)
190234.fig.003b
(b)
190234.fig.003c
(c)
190234.fig.003d
(d)
Figure 3: Diurnal patterns of methane emissions over the feedlot during winter (a), spring (b), summer (c), and fall (d) seasons. Bars indicate the uncertainty of hourly averaged methane emission rates and arrows indicate the timing of feeding activities on this feedlot.