A Plant Species Dependent Wildfire Black Carbon Emission Inventory in Northern Eurasia

Author:

Huang Ruqi1ORCID,Dong Xinyi123ORCID,Cheng Manqiu4,Li Xiao1ORCID,Liu Yaman1ORCID,Wu Xuexu1,Liang Yuan1ORCID,Wang Minghuai1ORCID,Fu Joshua S.56ORCID,Tipton Matthew5

Affiliation:

1. School of Atmospheric Sciences Nanjing University Nanjing China

2. Joint International Research Laboratory of Atmospheric and Earth System Sciences Institute for Climate and Global Change Research Nanjing University Nanjing China

3. Frontiers Science Center for Critical Earth Material Cycling Nanjing University Nanjing China

4. Department of Atmospheric and Oceanic Sciences School of Physics Peking University Beijing China

5. Department of Civil and Environmental Engineering University of Tennessee Knoxville TN USA

6. Computational Earth Science Group Oak Ridge National Laboratory TN Oak Ridge USA

Abstract

AbstractWildfire emission inventories are usually applied with biome‐scale emission factors for atmospheric modeling. However, emission factors measured for different plant species vary substantially within the same biome. We apply the species‐specific emission factors and refine the Fire Emission Inventory‐northern Eurasia (FEI‐NE), and derive the wildfire black carbon emission inventory in northern Eurasia from 2002 to 2015. Our new inventory produces 61% more black carbon emissions than current estimates based on Global Fire Emission Database (GFED) and 33% less than FEI‐NE. Model simulations with different inventories are compared with ground‐based and satellite retrievals of aerosol absorption optical depth (AAOD). Compared with the Ozone Monitoring Instrument, the normalized root mean square deviation of AAOD over northern Eurasia is reduced from 1.0 under FEI‐NE to 0.95 through application of the new inventory. This study reveals the importance of applying sub‐biome‐scale emission factors for wildfire inventories development and revisiting emissions uncertainty in atmospheric modeling.

Funder

National Natural Science Foundation of China

Ministry of Science and Technology of the People's Republic of China

Publisher

American Geophysical Union (AGU)

Subject

General Earth and Planetary Sciences,Geophysics

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