SUMMARY: To carry out the greenhouse gas emissions inventory
in Peru, the emission system was divided into two major sectors:
Energy and Nonenergy. The basic IPCC methodology was used in
preparing the inventory. Due to the lack of national emission factors,
this generally included the use of the IPCC emission factors (default
values). Some local emission factors were available and used in the
Nonenergy Sector. Emissions in the Energy Sector were as follows:
CO2, from all sources totalled 35,174 Gg (16,246 Gg from
using the IPCC "top-down" approach; CH4, from biomass,
production, and oil and gas systems totalled 69.59 Gg; NOx
biomass totalled 622.71 Gg; CO from biomass totalled 0.464 Gg; and
N2O from biomass totalled 10.94 Gg. Emissions in the
Sector were as follows: CO2, 58,313 Gg; CH4
Gg; N2O, 6.19 Gg; NOx, 121.53 Gg; and CO
Results for emissions of CO2 from energy sources for specific fuels using the IPCC (top-down) methodology are given in Table 1.
For comparative purposes and to lay the groundwork for future
policies, energy consumption and emissions were also estimated by
sector. The results of
CO2 emissions from energy sources for specific fuels
using this "bottom-up"
approach are given in Table 2.
CO2 emissions from fossil fuels were estimated to be 19,300 Gg. However, if we consider the CO2 generation by biomass consumption in the residential and commercial sectors, the emissions will be increased by 14,919 Gg. The contribution of other GHG's were moderate (See Table 3 6).
NOx emissions (121.53 Gg) result from activities
livestock, and land-use change. 41.2 percent of total NOx
emissions come from
burning of agricultural crop waste and savanna burning; the other
58.8 percent is
generated from the
burning of cleared forests. The main source of CO emissions is forest
followed by the burning of agricultural wastes and savannas (40.5
with 0.2 percent of CO emissions resulting from lead manufacturing.
Table 7 shows GHG
for the nonenergy sector.
The main greenhouse gases from nonenergy activities in the country are CO2 (58,313.94 Gg), followed by CO (10,850.32 Gg), CH4 (1,204.91 Gg), NOx (121.53 Gg), and N2O (6.19 Gg). The source that generates highest CO2 emissions is land-use change due to the burning of cleared forest and the conversion of pastures to agriculture fields. On the other hand, the abandonment of cultivated lands and managed forests reabsorb CO2 emissions and reduce the total CO2 in the atmosphere.
Agriculture and livestock activities are the main sources of
methane emissions with
percent of the total emissions. The main activities that contribute to
emissions are breeding of animals, savanna burning, and rice
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