Table 2 Look-up table recording two division methods.

From: Global OMI HCHO Level-3 oversampling dataset: high spatial resolution and lightweight uncertainty

classification

UR

SR (°)

TR (month)

Threshold-based division method

<0.1

 ≥0.75

 ≥5

<0.2

 ≥0.3

 ≥2

<0.3

 ≥0.05

 ≥1

<0.4

 ≥0.05

 ≥1

<0.5

 ≥ 0.05

 ≥1

Value-domain division method

0~0.1

 ≥0.75

 ≥5

0.1~0.2

 ≥0.2

 ≥1

0.2~0.3

 ≤0.3

 ≥1

0.3~0.4

 ≤0.3

 ≤5

0.4~0.5

 ≤0.1

 ≤2