Figure 6
From: Physicochemical and biological analysis of river Yamuna at Palla station from 2009 to 2019
(a) Temporal variation of yearly mean BOD from 2009 to 2019. The red line shows a linear trend of BOD. (b) Monthly distribution of BOD at Palla station from 2009 to 2019. (c) Monthly mean variation of BOD from 2009 to 2019.
