2018
DOI: 10.1029/2018jd029081
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Wintertime Boundary Layer Evolution and Air Pollution Potential over the Kathmandu Valley, Nepal

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Cited by 3 publications
(2 citation statements)
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“…This westerly wind persisted between 10:00 and 18:00 NST and was the primary method of transporting emissions out of the Kathmandu Valley. [37][38][39]74,75 In the predawn morning, cold air stagnated, allowing pollutants from the highways, industrial areas, and residential activities near the site to accumulate. 8,40,74,76 Overnight low wind speed with continuing emissions caused an increase in pollutant concentrations.…”
Section: Meteorologymentioning
confidence: 99%
See 1 more Smart Citation
“…This westerly wind persisted between 10:00 and 18:00 NST and was the primary method of transporting emissions out of the Kathmandu Valley. [37][38][39]74,75 In the predawn morning, cold air stagnated, allowing pollutants from the highways, industrial areas, and residential activities near the site to accumulate. 8,40,74,76 Overnight low wind speed with continuing emissions caused an increase in pollutant concentrations.…”
Section: Meteorologymentioning
confidence: 99%
“…10,12,36 Prior studies have established that westerly and southwesterly winds in the valley drive diurnal pollutant concentrations in the late morning to aernoon. 5,8,[37][38][39] The westerly wind is the primary removal method but also introduces pollutants formed outside of the Kathmandu Valley. Overnight, there is connement by the shallow boundary layer and stagnation due to temperature inversions, leading to air quality degradation.…”
Section: Introductionmentioning
confidence: 99%