Model results
| Model . | D . | ARPE . | τw (days) . | f (°C−1) . | 1/c (mm) . | τ1 (days) . | β0 (m3s−1) . | τ(q) (days) . | τ(s) (days) . | SFI . |
|---|---|---|---|---|---|---|---|---|---|---|
| P1 | 0.578 | <0.0005 | 61 | 0.0 | 750 | 59.2 | 0.017 | – | – | – |
| P2 | 0.677 | <0.0005 | 11.1 | 1.8 | 514 | 55.8 | 0.018 | – | – | – |
| P3 | 0.701 | <0.0005 | 8.3 | 2.1 | 437 | 58.6 | 0.017 | – | – | – |
| P4 | 0.749 | 0.003 | 5.1 | 2.6 | 383 | – | – | 6.84 | 97.8 | 0.78 |
| M1 | 0.849 | <0.0005 | 1.7 | 3.3 | 255 | 112 | 0.009 | – | – | – |
| M2 | 0.844 | 1.127 | 2.0 | 3.5 | 318 | – | – | 1.22 | 112 | 0.99 |
| E1 | 0.798 | <0.0005 | 2.4 | 5.8 | 822 | 118 | 0.008 | – | – | – |
| L1 | 0.759 | <0.0005 | 1.7 | 4.9 | 673 | 50.2 | 0.020 | – | – | – |
| Model . | D . | ARPE . | τw (days) . | f (°C−1) . | 1/c (mm) . | τ1 (days) . | β0 (m3s−1) . | τ(q) (days) . | τ(s) (days) . | SFI . |
|---|---|---|---|---|---|---|---|---|---|---|
| P1 | 0.578 | <0.0005 | 61 | 0.0 | 750 | 59.2 | 0.017 | – | – | – |
| P2 | 0.677 | <0.0005 | 11.1 | 1.8 | 514 | 55.8 | 0.018 | – | – | – |
| P3 | 0.701 | <0.0005 | 8.3 | 2.1 | 437 | 58.6 | 0.017 | – | – | – |
| P4 | 0.749 | 0.003 | 5.1 | 2.6 | 383 | – | – | 6.84 | 97.8 | 0.78 |
| M1 | 0.849 | <0.0005 | 1.7 | 3.3 | 255 | 112 | 0.009 | – | – | – |
| M2 | 0.844 | 1.127 | 2.0 | 3.5 | 318 | – | – | 1.22 | 112 | 0.99 |
| E1 | 0.798 | <0.0005 | 2.4 | 5.8 | 822 | 118 | 0.008 | – | – | – |
| L1 | 0.759 | <0.0005 | 1.7 | 4.9 | 673 | 50.2 | 0.020 | – | – | – |
Models: Pang at Pangbourne (P); Millbrook at Blewbury (M); Ewelme Brook at Ewelme (E); Letcombe Brook at Letcombe Bassett (L).
Calibration periods: models P1–P4, 22 September 1997 to 30 December 2017; models M1 & M2, 28 October 1997–25 February 2012; model E1, 27 October 1997–26 February 2012; model L1, 12 October 1989–19 January 1997.