AGRICULTURAL FIRES AND ARCTIC CLIMATE CHANGE

The report examines how agricultural fires in the Northern Hemisphere, particularly in Russia, Kazakhstan, and China, emit black carbon (soot) that travels to the Arctic. This soot reduces the albedo of snow and ice, accelerating melting and contributing to Arctic warming. The document argues that while these fires are smaller than forest fires, their smoldering nature produces higher concentrations of black carbon. It identifies Russia as the dominant springtime emitter and suggests mitigation strategies including shifting burning seasons, implementing biochar technology, and improving international fire management coordination.

• Black carbon, or soot, is estimated to account for as much as 30 percent of Arctic warming to date, acting as a potent agent of climate change by absorbing solar radiation in the atmosphere and reducing the reflectivity (albedo) of snow and ice.
• Agricultural fires, used to clear crop residues or brush, are a significant source of springtime black carbon in the Arctic. These fires often emit higher concentrations of black carbon than forest fires because they burn at lower temperatures and tend to smolder.
• Russia is the primary source of springtime black carbon from agricultural fires; between 2004 and 2007, it contributed 78-84% of the world's springtime emissions from this source. Other significant emitters include Kazakhstan, China, the United States, Canada, and Ukraine.
• In Russia and Kazakhstan, the collapse of the Soviet command economy led to rural abandonment and re-vegetation, creating conditions where small agricultural fires frequently spread into adjacent grasslands and forests. Enforcement of existing bans on open-field burning is described as poor.
• In China, agricultural burning is driven by economic incentives, as farmers burn surplus crop straw to avoid transport and storage costs. There is a observed positive correlation between farmers' income and the amount of crop straw burned.
• Agricultural burning in the United States and Canada is underreported because federal statistics often lack spatial accuracy or exclude non-federal lands. In the US, burning is concentrated in the Southeast and the northern wheat belt, the latter of which can impact Greenland's snow and ice.
• Proposed mitigation strategies include shifting prescribed burning to seasons other than spring, adopting 'crop-straw gasification' for heating in China, and developing biochar technology to sequester carbon in the soil.

APA

PETTUS, A. (2009). AGRICULTURAL FIRES AND ARCTIC CLIMATE CHANGE. Clean Air Task Force. https://cdn.catf.us/wp-content/uploads/2019/10/21093549/Agricultural_Fires_and_Arctic_Climate_Change.pdf

Chicago

PETTUS, ASHLEY. AGRICULTURAL FIRES AND ARCTIC CLIMATE CHANGE. Clean Air Task Force, 2009. https://cdn.catf.us/wp-content/uploads/2019/10/21093549/Agricultural_Fires_and_Arctic_Climate_Change.pdf.

Wikipedia

{{cite report |last1=PETTUS |first1=ASHLEY |title=AGRICULTURAL FIRES AND ARCTIC CLIMATE CHANGE |publisher=Clean Air Task Force |date=May 2009 |url=https://cdn.catf.us/wp-content/uploads/2019/10/21093549/Agricultural_Fires_and_Arctic_Climate_Change.pdf |access-date=23 October 2026 |via=Climate Insights Directory}}

BibTeX

@techreport{pettus2009agricultural, author = {PETTUS, ASHLEY}, title = {{AGRICULTURAL FIRES AND ARCTIC CLIMATE CHANGE}}, institution = {Clean Air Task Force}, year = {2009}, month = may, url = {https://cdn.catf.us/wp-content/uploads/2019/10/21093549/Agricultural_Fires_and_Arctic_Climate_Change.pdf}, urldate = {2026-10-23}, note = {Indexed by Climate Insights Directory} }