Erodibilidade do solo pdf file

For the calculation of soil erodibility, data of erosivity and soil losses, from november 1997 to may 2004, were used. Nesta figura, quanto mais vertical e a tangente a curva, maior e a compressibilidade do material. The erosion database interface edi is a computer program for georeferenced application of usle and wepp. Environmental impact assessment of energy crops cultivation.

R, a erodibilidade do solo k, a topografia ls, o uso. Os solos podem ser classificados em dois grandes grupos. A meu ver, o ciclo do p deveria ter sido mais detalhado j. Soil loss tolerance was determined based on smith and. A distribuicao da muda, picacao e cobricao devem ser feitas preferencialmente no mesmo dia da sulcacao. Using geotechnology to estimate annual soil loss rate in. A lixiviacao e a extracao ou solubilizacao dos constituintes. Request pdf erodibilidade do solo e erosividade da chuva na serra do tepequem roraima in the state of roraima the territorial occupation occurs inordinately. O termo erodibilidade do solo expressa a suscetibilidade natural do solo a erodir.

The cerrado region is considered as one of the most important and threatened ecosystems in the world 34 due to agricultural extensification and corresponds to a land degradation hotspot where large areas are being affected by erosion process 8. Software sites tucows software library shareware cdroms software capsules compilation cdrom images zx spectrum doom level cd. A multiple regression equation accounted for only 41% of the observed variance. Projected climate change impacts in rainfall erosivity over brazil andre almagro, paulo tarso s. The present study estimated annual soil loss rate and its spatial distribution in the most important brazils agricultural region, the brazilian cerrado, using revised soil loss equation rusle model into geographic. Julho 1998 caracterizacao da erodibilidade dos sols a sul do rio tejo. Alm do solo, a gua e o ar fornecem nutrientes, como os elementos carbono c, hidrognio h e oxignio o. Projected climate change impacts in rainfall erosivity over. Evaluation of water erosion in sugarcane crops using. The objective of this study was to determine erodibility for the main soil classes of the brazilian. This website uses cookies to ensure you get the best experience on our website. This paper investigates the predictability of the soil erodibility factor k in the revised universal soil loss equation from soil clay content c, the naperian logarithm of the geometric mean particle size d g and organic matter content om, using a global dataset compiled from published studies. Wischmeier e smith 1961 descreveram a erodibilidade do solo k como as.

Quanto maior a saturacao inicial maior a susceptibilidade. S u pe rg ru p o m ina s f alha tra ns c o rre nte b r a s il s u pe rg ru p o r io d a s ve lh a s f alha n o rm a l mg s inc lin al bh e m b as am e n to c ris ta lino f alha d e e m p ur ra o a n ticlina l x a re a d e c o le ta 19. Diagnoses of potential erosion areas and land use conflicts in the araputanga municipality, mato grosso state mt, brazil it has a population of 15,342 inhabitants brasil, 2017, from which 80. The objective of this work was to determine the soil erodibility k factor, soil cover and management. Erodibility values for the soils of sao paulo state are reported in this paper. Os ciclos do c, do n, do s e a dinamica dos metais pesados no solo s. Evaluation of water erosion in sugarcane crops using erosion. The original versions of important soil erosion prediction models such as the universal soil loss equation usle and water erosion prediction project wepp do not operate on a georeferenced basis.

Spatial variability of erodibility in mato grosso state, brazil. Soil erosion is a serious environmental problem that has adversely affected the worlds food production through the reduction of land productivity and water availability. To correctly understand the association that the environmental data such as climate, vegetation cover, etc. Kodi archive and support file community software vintage software apk msdos cdrom software cdrom software library. The objectives of this work were to assess soil and water losses and determine interrill erodibility ki. The erosion database interface edi is a computer program for georeferenced application of. Using geotechnology to estimate annual soil loss rate in the. Compactao do solo diminuio do espao poroso do solo e consequente aumento da densidade do solo. Erodibilidade k e a susceptibilidade do solo aos processos erosivos.