Elsevier

Aeolian Research

Volume 32, June 2018, Pages A1-A3
Aeolian Research

Editorial
A clarion call for aeolian research to engage with global land degradation and climate change

https://doi.org/10.1016/j.aeolia.2018.02.007Get rights and content

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Renewed agility to engage with wind erosion research

The forthcoming IPCC special report (planned for September 2019) will assess literature relevant to climate change, desertification, land degradation, sustainable land management, food security, and greenhouse gas fluxes in terrestrial ecosystems, especially since the Fifth Assessment Report (AR5). The report outline is for seven chapters including (Ch2) climate-land interactions, (Ch6) Interlinkages between desertification, land degradation, food security and greenhouse gas (GHG) fluxes:

Conclusion

Existing research indicates that soil erosion should be emphasised in the IPCC report, and that it should be considered as a dominant pressure on the state and quality of land resources. Wind erosion and particularly dust emission, remove selectively SOC and nutrients and transport them rapidly over large distances. Immediately after most land cover changes soil erosion accelerates, causing SOC and nutrients to decline rapidly – impacting the dust aerosol burden and climate, but also critically

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    Bitter experience during extreme dust episodes, for example the 1930s Dust Bowl in North America and similar events elsewhere, has underlined the impact land use, coupled with drought, have on the frequency and magnitude of such events. Together with increased aridity accompanying projected climate change in some regions, this experience and new knowledge call for the need of continued basic and applied research and political action with respect to aeolian dust (Chappell et al., 2018). Aeolian entrainment, transport and deposition of dust, consisting of particles in the clay- to silt-size range (<4 μm–62.5 μm), are reviewed extensively in the geomorphological and soil science literature (e.g., Goudie and Middleton, 2006; Bullard, 2011; Bullard et al., 2011; McTainsh et al., 2013).

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