Table 4 Annual total NH3 and NOx emissions over Qinghai-Tibet plateau and monitoring site (kg N ha−1 yr−1).

From: Characteristics of Atmospheric Reactive Nitrogen Deposition in Nyingchi City

 

Source Type

Qinghai-Tibet plateau

Monitoring site

NH3

Fertilizera

0.63

1.73

Livestock

1.00

0.56

Human waste

0.08

0.03

Fuel combustionb

0.04

0.01

Natural

0.12

0.13

Total

1.88

2.45

NOx

Industry

0.05

0.00

Power

0.06

0.10

Transportation

0.20

0.26

Residential

0.02

0.00

Naturalc

0.37

0.08

Total

0.69

0.45

  1. aFertilizer NH3 emissions include both chemical fertilizer and manure fertilizer.
  2. bFuel combustion of NH3 emissions include emission from power plant, industry, transportation and residential.
  3. cNatural NOx emissions include emissions from soil, lighting and biomass burning.
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