Precipitação Pluvial De Diamantino-Mt Em Anos De Ocorrência De El Niño, La Niña E Neutros

Ramos, Henrique da Cruz; Dallacort, Rivanildo; Santi, Adalberto; Seabra, Santino; Queiróz, Tadeu Miranda de

doi:10.1590/0102-778620120477

Cited by 10 publications

(11 citation statements)

References 10 publications

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“…As for Rondonópolis, the highest precipitations are found in El Niño years. Comparing with the results from Ramos et al (2015), who quantified the rains in Diamantino, a municipality close to those studied, the highest rainfall levels were observed in Neutral years, followed by El Niño, with La Niña having the lowest levels. The pattern of the rains thus differs from region to region.…”

Section: High Aver 32011 and Municipalisupporting

confidence: 51%

“…Those years in which there was no influence of ENSO phenomenon were considered neutral (Table 1). The determination and analysis of the annual rainfall probability were carried out using the gamma distribution probabilistic method, characterized by Thom (1958) and recently used by various authors, such as Silva et al (2007), Dallacort et al (2011), and Ramos et al (2015), using 10, 25, 50, 75, and 90% probability levels, for the three municipalities in Mato Grosso, and observing pattern in ENSO years.…”

Section: Enso Phenomenamentioning

confidence: 99%

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Effects of the ENSO on the Variability of Precipitation and Air Temperature in Agricultural Regions of Mato Grosso State

Barbieri¹,

Dallacort²,

Freitas³

et al. 2019

JAS

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The analyze of the El Niño, La Niña, and Neutral years phenomena and their influence on the temporal distribution of precipitation and air temperature is of great importance in agricultural systems, with the view to adapt crop management in order to reduce the risks of losses, optimizing rainwater and contributing to food security. The aim of this paper was to characterize variations in annual, monthly, and dekads rainfall in normal years and in those in the two extreme ENSO events in the municipalities of Tangará da Serra, Rondonópolis, and Sinop, in Mato Grosso state. Historic data were used, from INMET and ANA, covering 1970 to 2016. Probable annual precipitation was determined via the gamma distribution. In the three municipalities studied, the period considered as rainy falls between October and April and the dry season falls between May and September. The average annual rainfall for the municipalities is 1800, 1900, and 1500 mm, for Tangará da Serra, Sinop, and Rondonópolis, respectively. The effects of the ENSO, besides causing a 100 mm reduction in average annual precipitation, also cause little summers (“veranicos”) in the months of November and February. The municipalities of Tangará da Serra, Rondonópolis, and Sinop presented high levels of rainfall in Neutral years. The effects of the ENSO reduce rainfall levels but increase the number of rainy days. The Neutral years are more suitable to agriculture at regions of Mato Grosso State, followed by El Niño years, with concentrated rainy period and La Niña, with higher occurrence of veranicos, that maybe mitigated with use of irrigations systems.

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Section: High Aver 32011 and Municipalisupporting

confidence: 51%

Section: Enso Phenomenamentioning

confidence: 99%

Effects of the ENSO on the Variability of Precipitation and Air Temperature in Agricultural Regions of Mato Grosso State

Barbieri¹,

Dallacort²,

Freitas³

et al. 2019

JAS

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“…Localização espacial do estado de Mato Grosso e do Município de Diamantino. Fonte:Ramos et al (2015).…”

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Caracterização Da Variabilidade Climática Em Diamantino/Mt - Brasil No Período De 1987 a 2017

Rocha¹,

Novais²,

Souza³

et al. 2018

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RESUMO O estado do Mato Grosso é reconhecido nacionalmente como uma das principais fronteiras agrícolas do país, que depende diretamente variações atmosféricas, principalmente no que diz respeito à temperatura do ar e a quantidade de precipitação. O estudo teve como objetivo analisar e apresentar a variabilidade climática do município de Diamantino-MT no período de 1987 a 2017. Foram utilizados dados pluviométricos e de temperatura do ar, da série histórica de 31 anos, disponibilizados pelo Instituto Nacional de Meteorologia (INMET), que mantém uma estação meteorológica no município desde o ano de 1932. A média anual da precipitação acumulada no período foi 1791,1 mm, em que os menores volumes médios de precipitação foram observados em julho (10,69 mm) e os maiores acumulados médios no mês de fevereiro (332,72 mm). A média anual de temperatura do ar no período em estudo foi 25,3ºC, com variações entre um mínimo de 22,6°C, no inverno, e um máximo de 27,0ºC, na primavera. O período de maior concentração pluvial média ocorre de outubro a abril e o período de maior estiagem ocorre de maio a setembro. Houve aumento na precipitação acumulada anual para os últimos 15 em relação à média dos 31 anos analisados, e observou-se uma tendência de aumento de temperatura para os últimos três anos, necessitando de um acompanhamento constante destas análises para observar se este aumento permanecerá para os próximos anos, podendo causar impactos na agropecuária e conforto da população da região. PALAVRAS-CHAVE: Mato grosso; Precipitação pluviométrica; Temperatura do ar.

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“…The year 2001 presented the highest Niño Ocean Index (NOI) in an interval of approximately 30 years in the state of Mato Grosso (Oliveira et al, 2015). As well as the minimum accumulated in 2010 should occur occurrence of the phenomenon La Niña (Ramos et al, 2015).…”

Section: Resultsmentioning

confidence: 99%

Assessment of Land Use in A Conservation Unit in the Brazilian Pantanal by Remote Sensing

2019

Aust. J. Basic & Appl. Sci

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Among other biomes found in the Brazilian territory, the Pantanal has been characterized by the smallest percentage of protected areas in the country (4%, belonging to the states of Mato Grosso and Mato Grosso do Sul), behind only the Pampa biomes (3.5%) and (1.5%), where the Amazon biome corresponds to 26.2%, Cerrado to 7.9%, Atlantic Forest to 7.8% and Caatinga to 7.3% (Gurgel et al., 2009, Vigano et al., 2018). Floodplain areas are among the most fragile and sensitive ecosystems on the planet, and the Mato Grosso Pantanal is one of the greatest examples, with wide hydrological complexity, generating in scientists the need to know better the dynamics of hydrological cycles and their influence on local vegetation (Novais et al., 2018).

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Precipitação Pluvial De Diamantino-Mt Em Anos De Ocorrência De El Niño, La Niña E Neutros

Cited by 10 publications

References 10 publications

Effects of the ENSO on the Variability of Precipitation and Air Temperature in Agricultural Regions of Mato Grosso State

Effects of the ENSO on the Variability of Precipitation and Air Temperature in Agricultural Regions of Mato Grosso State

Caracterização Da Variabilidade Climática Em Diamantino/Mt - Brasil No Período De 1987 a 2017

Assessment of Land Use in A Conservation Unit in the Brazilian Pantanal by Remote Sensing

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