Table 1 Experimental rill-bed profiles and signal processing with singular spectrum analysis.
From: Experimental evidence that rill-bed morphology is governed by emergent nonlinear spatial dynamics
Rill profile | Length (m) | Detrended signal strengtha | Oscillatory components |
|---|---|---|---|
In-situ rill profiles | |||
5 sl–2500 Lh−1 | 11.23 | 28% | 2.03 m (21%), 1.30 m (7%) |
5 sl–5000 Lh−1 | 15.08 | 52% | 4.26 m (24%), 5.66 m (28%) |
15 sl–160 Lh−1 | 4.220 | 35% | 0.68 m (18%), 0.65 m (10%), 0.61 m (7%) |
15 sl–780 Lh−1 | 13.23 | 38% | 0.80 m (15%), 0.50 m (23%) |
15 sl–900 Lh−1 | 11.90 | 39% | 0.80 m (25%), 0.20 m (13%) |
Flume (loamy sand) profiles | |||
8 sl–1000 Lh−1 | 1.78 | 77% | 0.25 m (68%), 0.28 m (5%), 0.30 m (4%) |
8 sl–2200 Lh−1 | 1.79 | 88% | 0.24 m (73%), 0.18 m (11%), 0.30 m (3%) |
8 sl–3600 Lh−1 | 1.80 | 73% | 0.16 m (41%), 0.14 m (16%), 0.17 m (16%) |
12 sl–1000 Lh−1 | 1.80 | 77% | 0.18 m (37%), 0.13 m (40%) |
12sl–2200Lh−1 | 1.80 | 80% | 0.39 m (30%), 0.34 m (30%), 0.25 m (20%) |
Flume (silt loam) profiles | |||
8 sl–1000 Lh−1 | 1.18 | 85% | 0.21 m (65%), 0.11 m (20%) |
8 sl–3600 Lh−1 | 1.80 | 76% | 0.40 m (64%), 0.66 m (12%) |
12 sl–1000 Lh−1 | 1.20 | 73% | 0.28 m (42%), 0.16 m (15%), 0.08 m (15%) |
12 sl–2200 Lh−1 | 1.79 | 86% | 0.70 m (43%), 0.25 m (29%), 0.19 m (15%) |
12 sl–3600 Lh−1 | 1.79 | 92% | 0.41 m (60%), 0.18 m (21%), 0.39 m (11%) |
