Sampling sites | Jan. | Feb. | March | April | May | ||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
TCM × 10−2 | BDCM × 10−5 | DBCM × 10−5 | TCM × 10−2 | BDCM × 10−5 | DBCM | TCM × 10−2 | BDCM × 10−5 | DBCM | TCM × 10−3 | BDCM × 10−5 | DBCM | TCM × 10−3 | BDCM | DBCM | |
OWP | 3.98 | — | — | 3.81 | — | — | 2.24 | — | — | 1.25 | — | — | 1.22 | — | — |
OWS | 3.83 | — | — | 3.55 | — | — | 2.32 | 1.64 | — | 1.13 | 1.64 | — | 1.36 | — | — |
LWP | 2.86 | 1.68 | 1.51 | 3.59 | 1.67 | — | 2.48 | — | — | 0.87 | — | — | 1.09 | — | — |
LWS | 3.29 | — | — | 3.29 | — | — | 3.38 | — | — | 1.13 | — | — | 1.07 | — | — |
HWP | 3.01 | — | — | 3.66 | — | — | 3.10 | 1.64 | — | 1.12 | — | — | 1.31 | — | — |
HWS | 3.25 | — | — | 3.48 | — | — | 3.21 | — | — | 1.19 | — | — | 1.17 | — | — |
SWP | 3.99 | — | — | 3.62 | — | — | 2.49 | — | — | 1.15 | — | — | 1.29 | — | — |
SWS | 3.79 | — | — | 2.84 | — | — | 2.36 | — | — | 1.28 | — | — | 1.28 | — | — |