Airmass Trajectories and Long Range Transport of Pollutants: Review of Wet Deposition Scenario in South Asia

Table 4

Median concentrations (mmol L⁻¹) in rain samples at Bhubaneswar for different trajectory groups and frequency of rain along the trajectory ([63]).

Sample group	pH	Na^+		K^+	Mg^2+	Ca^2+	Cl^−			nss-	Ca^2+/Na^+	Number of samples
High rain frequency
C	5.48	6.3	22.2	1.2	1.3	3.1	6.5	9.4	6.8	6.5	0.66	18
CL	4.84	28.2	73.5	9.4	6.9	28.1	34.7	53.8	37	35.3	0.79	2
B	5.54	6.1	9.1	0.5	0.7	1.5	7.5	2.5	3.1	2.8	0.25	14
M	5.82	11.9	20.7	1.1	11.6	7.2	12.6	10.9	8.9	6.7	0.53	23
Low rain frequency
C	5.61	16.9	44.7	3.7	3.8	10.5	23	29	21.2	19.6	0.58	21
CL	5.03	18.2	52.6	4.5	5	28.4	20	44	40.2	39.1	2.33	2
B	5.28	31.8	81.3	7.9	6.3	17.7	34.5	49	36.7	35.8	0.8	6
M	5.77	12.4	11.3	0.6	2.4	5	14.5	9.4	9.2	8.4	0.56	8

Note: (a) continental (C), (b) continental local (CL), (c) monsoon (M), and (d) Bay of Bengal (B).