Table 4

Wind speed and stability classes used in the dispersion model.

SeasonAverage wind speed (m/s)Stability classAssumption
Wet2.81DCondition:
(i) Neutral atmospheric condition
(ii) Cloudy with moderate wind speed
(iii) Less adiabatic cooling
Reason:
Because of cloud cover and mild weather during the rainy season in Axim
Dry6.09BCondition:
(i) Moderately unstable atmospheric condition
(ii) No cloud cover and with no change
(iii) Vertical mixing in the air and moderate wind speed
(iv) Adiabatic cooling
Reason:
No cloud cover and vertical mixing causes a high rate of dispersion
SeasonAverage wind speed (m/s)Stability classAssumption
Wet2.81DCondition:
(i) Neutral atmospheric condition
(ii) Cloudy with moderate wind speed
(iii) Less adiabatic cooling
Reason:
Because of cloud cover and mild weather during the rainy season in Axim
Dry6.09BCondition:
(i) Moderately unstable atmospheric condition
(ii) No cloud cover and with no change
(iii) Vertical mixing in the air and moderate wind speed
(iv) Adiabatic cooling
Reason:
No cloud cover and vertical mixing causes a high rate of dispersion
Table 4

Wind speed and stability classes used in the dispersion model.

SeasonAverage wind speed (m/s)Stability classAssumption
Wet2.81DCondition:
(i) Neutral atmospheric condition
(ii) Cloudy with moderate wind speed
(iii) Less adiabatic cooling
Reason:
Because of cloud cover and mild weather during the rainy season in Axim
Dry6.09BCondition:
(i) Moderately unstable atmospheric condition
(ii) No cloud cover and with no change
(iii) Vertical mixing in the air and moderate wind speed
(iv) Adiabatic cooling
Reason:
No cloud cover and vertical mixing causes a high rate of dispersion
SeasonAverage wind speed (m/s)Stability classAssumption
Wet2.81DCondition:
(i) Neutral atmospheric condition
(ii) Cloudy with moderate wind speed
(iii) Less adiabatic cooling
Reason:
Because of cloud cover and mild weather during the rainy season in Axim
Dry6.09BCondition:
(i) Moderately unstable atmospheric condition
(ii) No cloud cover and with no change
(iii) Vertical mixing in the air and moderate wind speed
(iv) Adiabatic cooling
Reason:
No cloud cover and vertical mixing causes a high rate of dispersion
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