Spatiotemporal rainfall and temperature trends throughout the Brazilian Legal Amazon, 1973-2013

被引：124

作者：

Almeida, C. T. ^{[1
]}

Oliveira-Junior, J. F. ^{[1
]}

Delgado, R. C. ^{[1
]}

Cubo, P. ^{[2
]}

Ramos, M. C. ^{[3
]}

机构：

[1] Rural Fed Univ Rio de Janeiro, Forest Inst, Dept Environm Sci, Rio De Janeiro, Brazil

[2] Environm Inst Parana, Dept Native Vegetat Monitoring, Curitiba, Parana, Brazil

[3] Univ Lleida, Dept Environm & Soil Sci Agrotecnio, Lleida, Spain

来源：

INTERNATIONAL JOURNAL OF CLIMATOLOGY | 2017年 / 37卷 / 04期

关键词：

Amazon forest; climate change; climatic variability mode; range of rainfall; FUTURE CLIMATE-CHANGE; MAXIMAL T-TEST; SPATIAL-PATTERNS; RIVER-BASIN; EL-NINO; DEFORESTATION; PRECIPITATION; MODEL; VARIABILITY; IMPACTS;

D O I：

10.1002/joc.4831

中图分类号：

P4 [大气科学（气象学）];

学科分类号：

0706 ; 070601 ;

摘要：

This study analyzes the spatiotemporal variability of rainfall and temperature (minimum, maximum and average) trends at 47 stations throughout the Brazilian Legal Amazon for the period 1973-2013. Annual, wet season and dry season trends were quantified by Sen's slope for each station and the entire region. The Mann-Kendall test was used to determine the statistical significance of the trends. For the whole region, minimum, maximum and average annual temperatures showed increasing trend of approximately 0.04 degrees C per year. The rainfall showed an insignificant trend for most stations for annual and seasonal series. Nevertheless, some stations showed significant increasing trends in the annual and wet season rainfalls while a few stations showed decreasing trends for the dry season rainfall. A positive trend of the annual range between wet and dry season rainfall was found in some stations, caused mainly by an increasing trend in wet season rainfall.

引用

页码：2013 / 2026

页数：14

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