Wind barriers offer short-term solution to fugitive dust

Grantz, David A.; Vaughn, David; Farber, Robert J.; Kim, Bong; VanCuren, Tony; Campbell, Rich

doi:10.3733/ca.v052n04p14

Cited by 9 publications

(8 citation statements)

References 3 publications

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“…Previous reviews indicate that (1) wind erosion reduces soil productivity because of the loss of plant nutrients, degradation of soil structure, loss of storage capacity for water for plants, and reduced uniformity of soil conditions within a field; (2) dust abrades and buries plants and blocks sunlight; and (3) aeolian deposition reduces reservoir storage capacity, clogs streams and drainage channels, deteriorates aquatic habitats, muddies recreational waters, damages water distribution systems and pollutes water systems with agricultural chemicals (Davis and Condra, 1989;Ervin and Lee, 1994;Grantz et al, 1998;Larney et al, 1998).…”

Section: Impacts Caused By Wind Erosion and Dustmentioning

confidence: 98%

“…Methods of tilling to reduce entrainment of fine particles are evaluated by Grantz et al (1998), who found that furrows reduced aeolian dust 93% near the surface and from 24% to 33% above 1-m height, while increasing the threshold friction velocity for dust emission from about 45 to 65 cm s À 1 . High ridges may erode at their crests, and weathering of tracks and filling with deposition from subsequent events (Fig.…”

Section: Tillagementioning

confidence: 99%

“…Most windbreaks on the Great Plains are in the more humid portions, where wind erosion control is less critical than in the semi-arid portions, where trees and shrubs are difficult to establish (Black and Siddoway, 1971). Artificial barriers, such as wood or fabric fences can provide protection where conditions do not favor long-term re-vegetation (Grantz et al, 1998), but the high cost of material and labor to construct them generally restricts their use to high-value crops (Tibke, 1988).…”

Section: Windbreaks and Shelterbeltsmentioning

confidence: 99%

“…Soil dust affects atmospheric composition and climate change (Prospero et al, 1983), transport of herbicides on sediments (Larney et al, 1998), soil texture, nutrient content, vegetation growth and productivity (Grantz et al, 1998), characteristics of deep-sea sediments (Prospero et al, 1983), and human health (Norton and Gunter, 1999). The frequency of blowing dust may be caused by natural processes and is common in desert environments, but agricultural activities that disturb the soil can greatly increase the frequency and amount of airborne dust (Prospero et al, 1983;Tegen and Fung, 1995;Zhibao et al, 2000).…”

Section: Introductionmentioning

confidence: 99%

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Wind erosion from cropland in the USA: a review of problems, solutions and prospects

2004

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Section: Impacts Caused By Wind Erosion and Dustmentioning

confidence: 98%

Section: Tillagementioning

confidence: 99%

Section: Windbreaks and Shelterbeltsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Wind erosion from cropland in the USA: a review of problems, solutions and prospects

2004

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“…Bringing subsoil to the surface can reduce erosion [Bunn, 1997]. Grantz et al [1998] found that the threshold wind friction velocity for dust emission increases from 45 cm/s to 65 cm/s (approximately 40%) due to tillage. Uri [1999] estimated that conservation tillage was used on nearly 36% of planted land in the U.S. in 1996.…”

mentioning

confidence: 99%

Anthropogenically induced changes in twentieth century mineral dust burden and the associated impact on radiative forcing

et al. 2014

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We investigate the relative importance of climate change (CC) and anthropogenic land cover change (ALCC) for the dust emissions and burden changes between the late nineteenth century and today. For this purpose, the climate-aerosol model ECHAM6-HAM2 is complemented by a new scheme to derive potential dust sources at runtime using the vegetation cover provided by the land component JSBACH of ECHAM6. Dust emissions are computed online using information from the ECHAM6 atmospheric component. This allows us to account for changes in land cover and climate interactively and to distinguish between emissions from natural and agricultural dust sources. For today's climate we find that nearly 10% of dust particles are emitted from agricultural areas. According to our simulations, global annual dust emissions have increased by 25% between the late nineteenth century and today (e.g., from 729 Tg/a to 912 Tg/a). Globally, CC and ALCC (e.g., agricultural expansion) have both contributed to this change (56% and 40%, respectively). There are however large regional differences. For example, change in dust emissions in Africa are clearly dominated by CC. Global dust burden have increased by 24.5% since the late nineteenth century, which results in a clear-sky radiative forcing at top of the atmosphere of À0.14 W/m 2 . Based on these findings, we recommend that both climate changes and anthropogenic land cover changes should be considered when investigating long-term changes in dust emissions.

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Crop‐ and weather‐dependent yield and wind erosion benefits from a conservation practices system

Scott,

Liebig,

Saliendra

et al. 2024

Soil Science Soc of Amer J

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Wind erosion and variable weather challenge crop production in the northern Great Plains. Management that increases residue cover might mitigate wind erosion during the cash crop growing season. We evaluated horizontal sediment flux (modified Wilson and Cooke samplers) and cash crop yield across a single rotation of corn (Zea mays L.)–soybean (Glycine max (L.) Merr.)–spring wheat (Triticum aestivum L.) in paired fields with contrasting management. One field included cover crops and retained spring wheat straw (aspirational), while the other excluded both conservation practices over the 3‐year rotation (business‐as‐usual). Horizontal sediment flux rapidly decreased with days after cash crop planting (increasing crop canopy), regardless of management treatment. In 2 years (2020 corn and 2022 spring wheat), there was greater horizontal sediment flux, lower cash crop grain yield, and lower cash crop aboveground biomass in the aspirational versus business‐as‐usual field. In 2021 soybean, there was lower horizontal sediment flux, greater cash crop yield, and greater cash crop aboveground biomass in the aspirational versus business‐as‐usual field. Higher yield and lower horizontal sediment flux responses corresponded with the management treatment that produced the higher cash crop aboveground biomass. Additionally, our short‐term study indicated that in drought years, cover crops worsened the adverse effects of abnormally low precipitation on yield and biomass of 2020 corn but not 2021 soybean.

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Wind barriers offer short-term solution to fugitive dust

Abstract: Dust storms, like this one pictured along a county road in the Antelope Valley, have led to serious traffic accidents and violations of air quality standards.

Cited by 9 publications

References 3 publications

Wind erosion from cropland in the USA: a review of problems, solutions and prospects

Wind erosion from cropland in the USA: a review of problems, solutions and prospects

Anthropogenically induced changes in twentieth century mineral dust burden and the associated impact on radiative forcing

Crop‐ and weather‐dependent yield and wind erosion benefits from a conservation practices system

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