SLIDE 12 Prim imary Sources of Air ir Pollu llution Durin ing W Win inter in in Kathmandu Valle lley
12
Elemental Carbon
- 1. Brick kilns : 40%
- 2. Motor vehicles: 37%
- 3. Biomass/garbage burning: 22%
Organic Carbon
- 1. Motor vehicles: 47%
- 2. Biomass/garbage burning: 32%
- 3. Soil dust: 13%
PM2.5
- Roadside, traffic related emissions, soil/dust/construction materials
Kim BM, Park JS, Kim SW et al. 2015. Source Apportionment of PM10 Mass and Particulate Carbon in the Kathmandu Valley, Nepal. Shakya, K.M., Ziemba, L.D., Griffin, R.J., 2010. Characteristics and sources of carbonaceous, ionic, and isotopic species of wintertime atmospheric aerosols in Kathmandu Valley, Nepal. Aerosol. Air Qual. Res. 10, 219e230.