{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2024,7,15]],"date-time":"2024-07-15T19:59:44Z","timestamp":1721073584447},"reference-count":20,"publisher":"FapUNIFESP (SciELO)","issue":"2","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Rev. bras. eng. agr\u00edc. ambient."],"published-print":{"date-parts":[[2015,2]]},"abstract":"<jats:p>A cobertura morta \u00e9 uma pr\u00e1tica de manejo imprescind\u00edvel para o controle do escoamento superficial. Condi\u00e7\u00f5es antecedentes de umidade do solo, padr\u00f5es de precipita\u00e7\u00e3o e cobertura do solo t\u00eam relev\u00e2ncia no desprendimento, no transporte das part\u00edculas s\u00f3lidas e na gera\u00e7\u00e3o de escoamento superficial. Este estudo objetivou avaliar o desempenho do modelo da onda cinem\u00e1tica no escoamento superficial oriundo de eventos de chuvas intermitentes de m\u00faltiplos picos considerando-se diferentes densidades de cobertura. Ensaios de laborat\u00f3rio foram realizados em um canal de terra e com um simulador de chuva adotando-se tr\u00eas cen\u00e1rios de cobertura do solo: i) Solo nu; ii) Cobertura morta, com densidade de 2 t ha-1 e iii) Cobertura morta com densidade de 4 t ha-1. Os experimentos mostram, de forma bem clara, que a cobertura morta afeta fortemente o escoamento superficial. A intermit\u00eancia e as caracter\u00edsticas das chuvas sequenciais tamb\u00e9m influenciaram tal processo. O modelo da onda cinem\u00e1tica previu eficientemente o escoamento superficial apresentando coeficiente de Nash-Sutcliffe superior a 0,75 e coeficiente de determina\u00e7\u00e3o maior que 0,90, para todas as condi\u00e7\u00f5es de cobertura, quando a umidade inicial do solo era elevada.<\/jats:p>","DOI":"10.1590\/1807-1929\/agriambi.v19n2p166-172","type":"journal-article","created":{"date-parts":[[2015,2,21]],"date-time":"2015-02-21T19:52:43Z","timestamp":1424548363000},"page":"166-172","source":"Crossref","is-referenced-by-count":8,"title":["Desempenho da modelagem cinem\u00e1tica do escoamento superficial para chuvas intermitentes em solos com cobertura morta"],"prefix":"10.1590","volume":"19","author":[{"given":"Jo\u00e3o R. C. B.","family":"Abrantes","sequence":"first","affiliation":[{"name":"IMAR, Portugal"}]},{"given":"Jo\u00e3o L. M. P. de","family":"Lima","sequence":"additional","affiliation":[{"name":"MARE, Portugal"}]},{"given":"Abelardo A. 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