Table 3 Slopes and intercepts of mean regression lines obtained from δ2H-δ18O relationship of rain samples collected at the study locations each year (summer monsoon period) from 2019 to 2021. Correlation coefficients (R2) and numbers of samples are also mentioned.
Location | Year | Slope | Intercept | R2 | Number of samples |
---|---|---|---|---|---|
Port Blair | 2019 | 7.4 ± 0.13 | 4.3 ± 0.13 | 0.98 | 82 |
2020 | 8.0 ± 0.14 | 6.1 ± 0.14 | 0.97 | 95 | |
2021 | 7.7 ± 0.14 | 6.2 ± 0.14 | 0.97 | 98 | |
Mahabaleshwar | 2019 | 7.8 ± 0.11 | 8.2 ± 0.11 | 0.99 | 70 |
2020 | 7.7 ± 0.15 | 6.1 ± 0.15 | 0.98 | 65 | |
2021 | 7.5 ± 0.15 | 10.7 ±0.15 | 0.96 | 105 | |
Tezpur | 2019 | 8.0 ± 0.14 | 8.4 ± 0.14 | 0.99 | 43 |
2020 | 7.8 ± 0.16 | 8.8 ± 0.16 | 0.98 | 39 | |
2021 | 8.0 ± 0.13 | 12.0 ± 0.13 | 0.99 | 29 |