NDLI: Erosão Potencial Laminar Hídrica na Bacia do Alto Taquari

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Erosão Potencial Laminar Hídrica na Bacia do Alto Taquari

Content Provider	Semantic Scholar
Author	Risso, Alfonso Soriano, Balbina M. A. Padovani, Carlos Roberto Melo, Edileuza Vieira, Luiz Junior, Nelson Galdino, Sergio Mario Lins
Copyright Year	2004
Abstract	Identification of areas (counties and sub-basins) of the Upper Taquari Basin (UTB) presenting the highest hydric sheet erosion potential is fundamental to guide future interventions aiming at minimizing erosion in the region and consequently its severe reflexes on the Pantanal wetland. The potential of soil loss in the UTB was evaluated using the Universal Soil Loss Equation (USLE), geoprocessing techniques and computer routines. Mean annual rain erosivity on the UTB was 7,914.3 Mj mm ha -1 year, varying between 7,000 and 9,000 Mj mm ha year. Soil erodibility did not vary among counties and sub-basins, and the mean value was 0.0356 t h Mj mm. The topographic factor LS of the USLE presented the highest variation and therefere mostly influenced the distribuition of soil loss on the UTB. The average potential soil loss total amount was 555,6 t ha year. The municipality os Alto Araguaia-MT, due the rougher relief (LS = 3,22), presented the higher potential soil loss of the UTB (990 t ha year). Other counties with high risk of erosion are: Costa Rica-MS, Rio VerdeMS, Alto Taquari-MT and Alcinópolis-MS. Erosion potential did not vary among sub-basins. Areas of litholic soils on the UTB, located on steep relief, presented mean potential of soil loss of 1,839.8 t ha year. Key-words: potential erosion; Upper Taquari Basin; Pantanal wetland.
Starting Page	125
Ending Page	133
Page Count	9
File Format	PDF HTM / HTML
DOI	10.21168/rbrh.v9n2.p125-133
Volume Number	9
Alternate Webpage(s)	https://abrh.s3.sa-east-1.amazonaws.com/Sumarios/32/cb9d82e21c017590ce4fc727698a0a99_c4d9910400e2266dbc816f5b66cfff3e.pdf
Language	English
Access Restriction	Open
Content Type	Text
Resource Type	Article

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