Open AccessAnalysis of Reactive Nitrogen Emissions from Maize Ethanol Production Based on the DNDC Model
Author(s) -
Sungwook Yu,
Wencong Yue
Publication year - 2022
Publication title -
iop conference series. earth and environmental science
Language(s) - English
Resource type - Journals
eISSN - 1755-1307
pISSN - 1755-1315
DOI - 10.1088/1755-1315/1011/1/012002
Subject(s) - sowing , environmental science , ethanol fuel , agriculture , nitrogen , agronomy , greenhouse gas , ethanol , production (economics) , environmental engineering , chemistry , ecology , biology , economics , macroeconomics , organic chemistry
Agricultural system is an important source of reactive nitrogen (Nr) emissions. In this study, DNDC model was established for analyzing Nr emissions in maize planting and maize ethanol production under climate change scenarios (i.e., RCPs 4.5 and 8.5). The DNDC model was applied in maize fields of Shandong Province. The Nr emissions in 2025 and 2030 under the RCPs 4.5 and 8.5 scenarios would range from 2869.24 to 2969.18 kg N/ha. An inventory of Nr emissions in maize ethanol production was obtained in this study. The results showed that compared with maize planting in other cities, maize fields in Linyi would release the biggest amount of N 2 O and NO, as well as the smallest amount of NH 3 . The study can support decision making for Nr emissions reduction in agricultural systems.