surface erosion
[ˈsɜːrfɪs ɪˈroʊʒən]
nounpl: surface erosions
erosão superficial
1. The gradual wearing away of the topmost layer of soil or rock by water, wind, or other natural agents, without the formation of defined channels or gullies
Heavy rainfall caused surface erosion on the hillside, removing the fertile topsoil.
A chuva intensa causou erosão superficial na encosta, removendo o solo fértil.
2. In geology and soil science, the detachment and transport of soil particles from the land surface by raindrop impact and overland flow
Surface erosion is a major concern for agricultural productivity in tropical regions.
A erosão superficial é uma preocupação importante para a produtividade agrícola em regiões tropicais.
3. The process of shallow material loss across a landscape, often preceding deeper gully formation
Preventive measures like terracing can reduce surface erosion on steep slopes.
Medidas preventivas como terraços podem reduzir a erosão superficial em encostas íngremes.
This is a technical term commonly used in Brazil's agricultural sector, particularly important given the country's vast farming regions and tropical climate prone to heavy rainfall. In the USA, it's widely discussed in environmental policy, especially regarding farmland preservation and climate change impacts. Both countries emphasize surface erosion control in sustainable agriculture initiatives.
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