Arid
DOI10.1590/S1415-43662010000500006
Study of some climate scenarios for the northeastern region of Brazil
dos Santos, David N.; da Silva, Vicente de P. R.; Sousa, Francisco de A. S.; Silva, Roberta A. E.
通讯作者dos Santos, David N.
来源期刊REVISTA BRASILEIRA DE ENGENHARIA AGRICOLA E AMBIENTAL
ISSN1807-1929
出版年2010
卷号14期号:5页码:492-500
英文摘要

The main objective of this study is to assess the current climatic conditions in northeastern region of Brazil and to obtain some climatic scenarios for the years 2050 and 2100. Time series of mean air temperature and rainfall from 1961 to 2007 period and 89 stations in the study region were used. The non-parametric test of Mann-Kendall was used to assess the statistical significance level of the analyzed time series. Also, the software SEVAP was used to determine potential evapotranspiration, humidity index, aridity index and water index. Results showed an increasing trend in the time series of air temperature, which were statistically significant by the Mann-Kendall test, for the current period and for the 2050 and 2100 scenarios. Mean air temperature has its highest rate for the current period and for the 2050 scenarios and a reduced increase between the 2050 and 2100 scenarios. The aridity and water indexes indicated an increase while the humidity index showed a reduction for two analyzed scenarios in northeastern region of Brazil, principally in the semiarid area.


英文关键词potencial evapotranspiration arid index Mann-Kendall test
类型Article
语种葡萄牙语
国家Brazil
收录类别SCI-E
WOS记录号WOS:000208665100006
WOS类目Agricultural Engineering
WOS研究方向Agriculture
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/166288
作者单位UACA UFCG, BR-58109970 Campina Grande, PB, Brazil
推荐引用方式
GB/T 7714
dos Santos, David N.,da Silva, Vicente de P. R.,Sousa, Francisco de A. S.,et al. Study of some climate scenarios for the northeastern region of Brazil[J],2010,14(5):492-500.
APA dos Santos, David N.,da Silva, Vicente de P. R.,Sousa, Francisco de A. S.,&Silva, Roberta A. E..(2010).Study of some climate scenarios for the northeastern region of Brazil.REVISTA BRASILEIRA DE ENGENHARIA AGRICOLA E AMBIENTAL,14(5),492-500.
MLA dos Santos, David N.,et al."Study of some climate scenarios for the northeastern region of Brazil".REVISTA BRASILEIRA DE ENGENHARIA AGRICOLA E AMBIENTAL 14.5(2010):492-500.
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