Windbreaks in North American agricultural systems

Brandle, James R.; Hodges, Laurie; Zhou, Xinhua

doi:10.1023/b:agfo.0000028990.31801.62

Cited by 150 publications

(141 citation statements)

References 76 publications

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“…Based on our measurements we may state that the values lower than 20% (18, 17, and 12%) may be considered as optimal OP values. On the contrary, our terrain measurements showed that the windbreak protective impact is not expressed at OP 53% at the distance of 9 H, which is in contrast to the findings of Vigiak et al (2003) and Brandle et al (2004) and starting from the value of OP 41% the impact has not been proven.…”

Section: Resultscontrasting

confidence: 97%

“…Windbreaks of low porosity have more frequent occurrences of turbulent flow with higher wind speed on the leeward side than windbreaks with medium porosity (Cornelis et al 2000). Brandle et al (2004) found out that if windbreak reduces wind speed to one half, drag force of the wind is one eighth of the original value. According to Cornelis and Gabriels (2005), optimal OP value is 20-35%, similarly Santiago et al (2007) set the optimal value at 35%.…”

mentioning

confidence: 98%

“…The external structure is defined by width, height, shape, and orientation. The internal structure is given by the amount and arrangement of branches, leaves, and trees or shrubs trunks (Brandle et al 2004).…”

mentioning

confidence: 99%

“…The effect of windbreaks on wind speed reduction is stated in the range of 20 to 35 H (H − height of the windbreak) on the leeward side (Heisler & DeWalle 1988;Abel et al 1997;Vigiak et al 2003;Brandle et al 2004;Janeček et al 2012). According to Wu et al (2013) the effect of windbreaks is up to the distance of 10 H; at a farther distance the efficiency of windbreaks was not proven.…”

mentioning

confidence: 99%

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Effect of windbreaks on wind speed reduction and soil protection against wind erosion

Řeháček¹,

Khel²,

Kučera³

et al. 2017

Soil & Water Res.

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AbstractŘeháček D., Khel T., Kučera J., Vopravil J., Petera M. (2017): Effect of windbreaks on wind speed reduction and soil protection against wind erosion. Soil & Water Res., 12: 128−135.Windbreaks form efficient soil protection against wind erosion particularly at the time when soil cover is not protected by the cultivated plant vegetation cover. The objective of this research was to evaluate windbreaks efficiency in terms of wind speed reduction. Wind speed along the windbreaks was measured in the cadastral areas of Dobrovíz and Středokluky (Czech Republic, Central Europe). The measurement was carried out by 4 stations placed at windward side (1 station at the distance of 3 times the height of the windbreak) and at leeward side of the windbreak (3 stations at the distance of 3, 6, and 9 times the height of the windbreak). Each station contained 2 anemometers situated 0.5 and 1 m above surface. The character of windbreak was described by terrestrial photogrammetry method as the value of optical porosity from the photo documentation of the windbreak at the time of field measurement. A significant dependence between the value of optical porosity and efficiency of windbreak emerged from the results. The correlation coefficient between optical porosity and wind speed reduction was in the range of 0.842 to 0.936 (statistical significance more than 95%). A significant effect of windbreak on airflow reduction was proven on the leeward side of windbreak in a belt corresponding to approximately six times the height of the windbreaks depending on the optical porosity and it was expressed by a polynomial equation.

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Section: Resultscontrasting

confidence: 97%

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confidence: 98%

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confidence: 99%

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confidence: 99%

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Effect of windbreaks on wind speed reduction and soil protection against wind erosion

Řeháček¹,

Khel²,

Kučera³

et al. 2017

Soil & Water Res.

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“…Most HTs in the United States are built over the soil that will be used to grow the crops [31] though in locations with poor soil, top soil and/or compost can be brought in or added. Wind breaks can be an important protection strategy for HTs where prevailing winds are problematic; they can reduce the damage of strong winds depending on the height, density, orientation and length of the shelter belt [32].…”

Section: Site Selection and Constructionmentioning

confidence: 99%

The Use of High Tunnels to Produce Fruit and Vegetable Crops in North America

Janke¹,

Altamimi²,

Khan³

2017

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High tunnels have been used in the United States for more than 50 years, and growers are encouraged to use them more frequently through government cost-share programs. Research on fruits and vegetable production systems has focused on high value crops such as tomato, salad greens, and several fruit crops. Maintaining soil quality and controlling insects and diseases are all issues that growers face. This review looks at current research on these issues as well as economic considerations addressed in the scientific literature. Global statistics and reports are also reviewed that complement the North American studies. Gaps in our understanding are identified, and directions for future research are suggested.

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Geomorphological Hazards in Drylands

Wiggs

2011

Arid Zone Geomorphology

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Windbreaks in North American agricultural systems

Cited by 150 publications

References 76 publications

Effect of windbreaks on wind speed reduction and soil protection against wind erosion

Effect of windbreaks on wind speed reduction and soil protection against wind erosion

The Use of High Tunnels to Produce Fruit and Vegetable Crops in North America

Geomorphological Hazards in Drylands

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