Table 1 Natural conditions of areas with concentrated distributions of silo-caves
Area | Landform | Elevation/m | Climate | Annual Average precipitation/mm | Annual Temperature/°C | Soil Thickness/m |
|---|---|---|---|---|---|---|
Yuxi | Loess terrace-like plain at the eastern margin of the Loess Plateau | 500–800 | Warm temperature monsoon climate | 550–680 | 13.6 | 20–70 |
Jinnan | Loess terrace-like plain between the Zhongtiao Mountain and Yellow River | 500–700 | Warm temperature monsoon climate | 500–620 | 13.8 | 40–50 |
Guanzhong | Loess terrace-like plain of Guanzhong | 400–600 | Warm temperature monsoon climate | 600–700 | 13.3 | 80–100 |
Longdong | Loess terrace-like plain of the Shan-Gan-Ning Basin (Dongzhiyuan) | 1250–1400 | Warm temperature monsoon climate | 480–550 | 9.1 | 150–250 |