Table 2 The maximum depth and spatial extent of erosion after deterioration tests
From: A controlled field experiment to investigate the deterioration of earthen heritage by wind and rain
Condition applied to test area | Maximum depth of erosion (mm) | Area covered by erosion in mm2 and as a percentage of total area (blue areas in Fig. 4) |
|---|---|---|
Clean wind for 5Â min at the speed of (m/s) | ||
 12 | 6.49 | 228 (0.6%) |
 17 | 7.90 | 316 (0.8%) |
 25 | 10.69 | 292 (0.7%) |
Laden sediment wind 80Â g/min for 5Â min at the speed of (m/s) | ||
 12 | 4.29 | 1132 (2.8%) |
 15 | 11.00 | 1804 (4.5%) |
 17 | 11.00 | 3576 (8.9%) |
Rainfall at 0.2Â L/min for (s) | ||
 20 | 9.24 | 768 (1.9%) |
 60 | 10.62 | 3956 (9.8%) |
 120 | 11.20 | 7276 (18.2%) |