Air temperatures in Central Amazonia. II - The effect of near-surface temperatures on land-use in the Tertiary region of Central Amazonia

Brinkmann, W. L. F.; Ribeiro, M. N. Góes

doi:10.1590/1809-43921971013027

Cited by 2 publications

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“…ai., 1971, Brinkmann andGóes Ribeiro, 1971a). The marked effect of the "friagens" on the chemical composition of lake waters and the fish population in some floodplain lakes of Central Amazonia was studied over a period of years since 1968 (Brinkmann andSantos, 1972, Schmidt, 1972). Hardly any rnvestigation was undertaken considering the impact of low air temperature associated with strong winds on the macro and microbial life in the different ecotypes present in Central Amazonia.…”

Section: Introductionmentioning

confidence: 99%

Air temperatures in Central Amazonia. III. - Vertical Temperature Distribution on a Clearcut Area and in a Secondary Forest near Manaus (Cold Front Conditions July 10 th. 1969)()

Brinkmann

Ribeiro

1972

Acta Amaz.

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Air temperatures under cold front conditions were recorded on July 10th 1969 inside and outside a secondary forest at Ducke Forest Reserve Air temperatures were measured at 2 towers and 8 corresponding levels ranging from 10 cm to 900 cm height. The absolute daily minimum air temperature recorded was 11.0°C, which is exceptionally low for Central Amazonia and 16.0°C below the yearly average air temperature at Manaus measured over a 45-year period of temperature records. The maximum 30-min range of air temperature was observed in the clearing (8.1°C), 7 meters above the ground. The strongest impact of air temperatures in the forest stand was recorded in the canopy area and in the ground stratum due to the formation of cold air cells and cold air sinks. The temperature profiles inside and outside the secondary forest at Ducke Forest Preserve during cold front conditions did not conform with the established temperature patterns in a tropical environment.

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Section: Introductionmentioning

confidence: 99%

Air temperatures in Central Amazonia. III. - Vertical Temperature Distribution on a Clearcut Area and in a Secondary Forest near Manaus (Cold Front Conditions July 10 th. 1969)()

Brinkmann

Ribeiro

1972

Acta Amaz.

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Avaliação das temperaturas mínimas e máximas para eventos de friagem no Pantanal

Santos

Pinto

Irribarem

et al. 2017

J. Env. Anal. Progr.

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Apesar da importância do Pantanal, estudos sobre friagens na região são escassos na literatura. Vários estudos são orientados para a região amazônica, mostrando menos influência em relação ao Pantanal. O estudo objetivou avaliar eventos de friagem no Pantanal, com base na distribuição anual e mensal dos eventos, considerando o El Niño e o comportamento das temperaturas mínimas e máximas, em Coxim-MS. Foram identificados 75 eventos em 294 dias sob efeito de friagem. A maior frequência anual ocorreu em 2009 e 2010, totalizando 12 eventos para cada ano, coincidindo com o período de El Niño ativo. A maior frequência mensal ocorreu em agosto, totalizando 16 eventos. Foi relatada uma média de dois dias, com queda de temperatura, em decorrência da friagem e, posteriormente, acréscimo na temperatura máxima e decréscimo na temperatura mínima nos dias seguintes. O maior número de sistema frontal anual não implicou em um número maior de dias frios. Julho de 2013 apresentou o menor valor de temperatura mínima no período. Valores com reduções significativas de temperatura, em relação à normal climatológica não apresentaram menores temperaturas mínimas e máximas.

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Air temperatures in Central Amazonia. II - The effect of near-surface temperatures on land-use in the Tertiary region of Central Amazonia

Abstract: Maximum and minimum air temperatures were taken weekley at 10 different sites about 2 cm above ground level during the period of June 15th, 1968 to January 26th, 1970. Three temperature types were observed each of which has a specific ecological effect on land-use in Central Amazonia.

Cited by 2 publications

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Air temperatures in Central Amazonia. III. - Vertical Temperature Distribution on a Clearcut Area and in a Secondary Forest near Manaus (Cold Front Conditions July 10 th. 1969)()

Air temperatures in Central Amazonia. III. - Vertical Temperature Distribution on a Clearcut Area and in a Secondary Forest near Manaus (Cold Front Conditions July 10 th. 1969)()

Avaliação das temperaturas mínimas e máximas para eventos de friagem no Pantanal

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