In the above article by S. Bagheri et al., first published online in 13 March Reference Bagheri, Mansor, Turkoglu, Makaremi and Babaei2012, some sections of article were incorrect. The authors supplied some revisions as following:

1. 1 Station number presented as “11” in second line of Abstract section has been corrected as “12”.

2. 2 “14.5 ± 6.32” started in end of line 10 and ended in head of line 11 of the abstract section has been corrected as “5.10 ±3.98”.

3. 3 “5.10 ± 3.98” found in line 11 of the abstract section has been corrected as “14.5 ± 6.32”.

4. 4 “NH₄” in Table 3 at page 4 has been corrected as “NH⁺₄”.

5. 5 “Table 3 & 4” located in parenthesis at line 3 of first paragraph in left column following to Table 5 at page 6 has been corrected as “Tables 4 & 5”.

6. 6 “August” labeled on Fig. 3 at page 6 has been corrected as “Autumn”.

7. 7 “Tables 1 & 6” found in parenthesis at line 1 of first paragraph in left column following to Fig. 6 at page 9 has been corrected as “Tables 2 & 6”.

8. 8 All “Fig. 3” expressions found in parenthesis at page 10 have been corrected as “Fig. 4”.

9. 9 All “Table 5” expressions found in parenthesis at pages 10 and 11 have been corrected as “Table 3”.