Table 3.
Classes of compounds identified in ACLEO from four seasons.
| Class | SPRING | SUMMER | AUTUMN | WINTER | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| A | B | C | A | B | C | A | B | C | A | B | C | |
| Hydrocarbons | [4.2] | [7.7] | [6.8] | [1.2] | [7.8] | [3.1] | [7.9] | [4.2] | [3.1] | [3.2] | [15.7] | [4.2] |
| Monoterpenoids | 0.8 | - | - | - | 0.4 | 0.2 | 0.2 | - | 0.5 | 3.2 | 4.3 | 1.6 |
| Sesquiterpenoids | 3.4 | 7.7 | 6.8 | 1.2 | 7.4 | 2.9 | 7.7 | 4.2 | 2.6 | - | 11.4 | 2.6 |
| Oxygenated compounds | [28.4] | [26.9] | [12.3] | [18.8] | [23.2] | [15.9] | [21.6] | [8.1] | [16.5] | [1.9] | [16.6] | [21.8] |
| Monoterpenoids | 12 | 15.7 | 4.9 | 2.2 | 13.4 | 8.1 | 11.2 | 5.2 | 9.4 | 1.9 | 7.8 | 7.3 |
| Sesquiterpenoids | 16.4 | 11.2 | 7.4 | 16.6 | 9.8 | 7.8 | 10.4 | 2.9 | 7.1 | 8.8 | 14.5 | |
| Phenyl propanoids | 58.7 | 43.4 | 66.3 | 36.9 | 50.9 | 59.8 | 50.9 | 58.6 | 67.1 | 90.8 | 60.2 | 68.4 |
A = Pithoragarhlocation (hilly region), B = Bhimtal location (sub hilly region), C = Pantnagar location (tarai region).