Table 2 Comparative observation data of oxygen concentration between bare land and other surface cover types.
Date | Sample a | Land type a | Surface cover a | Oxygen concentration a | Time a | Sample b | Land type b | Surface Cover b | Oxygen concentration b | Time b |
|---|---|---|---|---|---|---|---|---|---|---|
2024/4/30 | 430-4-1 | Artificial bare land | Road | 20.56% | 12:24 | 430-4-2 | Grassland | Desert grassland | 20.57% | 12:34 |
2024/4/30 | 430-8-1 | Bare land | Bare gravel | 20.73% | 15:37 | 430-8-2 | Water | Ice surface | 20.72% | 15:53 |
2024/5/2 | 502-3-1 | Bare land | Yardang | 20.44% | 10:12 | 502-3-2 | Bare land | Salt crust | 20.44% | 9:30 |
2024/5/2 | 502-17-1 | Bare land | Bare soil | 20.81% | 18:08 | 502-17-2 | Water | Salt lake | 20.80% | 16:24 |
2024/5/3 | 503-3-1 | Bare land | Bare sand | 20.42% | 9:51 | 503-3-2 | Grassland | Saline dry reed | 20.42% | 9:58 |
2024/5/3 | 503-6-1 | Bare land | Bare soil | 20.46% | 10:57 | 503-6-2 | Grassland | Saline dry reed | 20.46% | 11:02 |
2024/5/3 | 503-14-1 | Bare land | Bare sand | 20.66% | 14:26 | 503-14-2 | Bare land | Bare sand | 20.69% | 15:26 |
2024/5/4 | 504-1-1 | Artificial bare land | Building land | 20.32% | 7:39 | 504-1-2 | Artificial bare land | Building land | 20.69% | 21:30 |
