Table 2 Definition of LULC categories, number of training and validation data.
ID | Category | Definition | Number of training points | Number of validation points |
|---|---|---|---|---|
1 | Water | Open water bodies (e.g. rivers and oceans) and closed water bodies that are enclosed by land or other artificial barriers (e.g. lakes, ponds, and reservoirs). | 10,643 | 24 |
2 | Urban/built-up | Impervious surface and man-made structures (e.g. buildings, houses, paved roads, greenhouses, and solar panels), excluding farm roads, irrigation roads, and trails. | 17,078 | 30 |
3 | Rice | Rice fields that are single season or multiple seasons. Terrace rice fields are also included. | 22,111 | 72 |
4 | Other Crops | Crops other than rice and woody crops (e.g. corn, bean, and sugar cane) | 6,634 | 25 |
5 | Grass/Shrub | Land with non-tree herbaceous vegetation, grasslands, spare shrub (less than 5m in height and greater than 10% canopy cover), golf courses, etc. | 2,641 | 48 |
6 | Woody Crops/Orchards | Perennial woody crops (e.g. coffee, tea, cashew) and woody orchards (e.g. mango, litchi, and dragon fruit) | 19,340 | 78 |
7 | Barren | Lands with less than 10% of vegetation such as sandy beaches, sand dunes, bare rocks, bare soil, playgrounds | 3,572 | 18 |
8 | Evergreen Forest | Lands dominated by natural evergreen trees with > 60% coverage and > 5m in height | 19,435 | 161 |
9 | Deciduous Forest | Lands dominated by deciduous trees with > 60% coverage and > 5m in height | 2,521 | 20 |
10 | Plantation Forest | Lands dominated by plantation trees with > 60% coverage and > 5m in height | 12,618 | 100 |
11 | Mangrove Forest | Lands dominated by mangrove trees with > 60% coverage and > 5m in height | 3,442 | 10 |
12 | Aquaculture | Lands that are permanently or temporarily flooded used for aquatic farming such as fish ponds and shrimp ponds | 4,486 | 14 |
