Table 1 The frequency and abrasion time for both sand-blowing wind and sand-carrying wind (the sand-blowing wind containing sand) on the original gravel bed in 2005–2008
From: The sand-deposition impact of artificial gravel beds on the protection of the Mogao Grottoes
Sand-blowing wind | Sand-carrying wind | |||
|---|---|---|---|---|
Frequency | Abrasion time (h) | Frequency | Abrasion time (h) | |
Spring | 43 events | 28.5 | 30 events | 13 |
Summer | 54 events | 28 | 51 events | 12.7 |
Autumn | 6 events | 26.7 | 9 events | 2.3 |
