hurst analysis
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2019 ◽  
Vol 13 (11) ◽  
pp. 1212-1229 ◽  
Author(s):  
Zhijie Zhang ◽  
Huan Xie ◽  
Xiaohua Tong ◽  
Hanwei Zhang ◽  
Yang Liu ◽  
...  

2019 ◽  
Vol 34 (2) ◽  
pp. 325-334 ◽  
Author(s):  
Humberto Millán Vega ◽  
Jakeline Rabelo Lima ◽  
Samuel Nogueira Cerniak

Abstract Amazon rainforest controls, to some extent, the global hydrological cycle. The objectives of the present work were (i) to investigate hydrologicalpatterns in a larger regionof the Brazilian rainforestthrough 9-month SPEI series and (ii) to search for long or short-term correlation within the number of days with precipitation by monthand accumulated monthly rainfall. Data sets were collected from 15 meteorological stations spanning a large area of the Amazonian rainforest in Brazil. We computed SPEI values from monthly precipitation and monthly meantemperature time series and determined Hurst exponents from detrendedtime series of days with precipitationand accumulated monthly rainfall. In the first case SPEI was determined on a 9-month timescale while Hurst exponents were calculated from rescaled range analysis. Percentage of SPEI values in the near normal class (-1 ≤SPEI ≤ 1) ranged from 59.8% (Peixe, TO) to 69.7% (Tarauaca, AC). The Hurst exponent varied from 0.382 (Diamantino, MT) to 0.636 (Tefé, AM) and correlated positively with the monthly meanrainfall. This indicates a persistenttrend of wet patterns in the futurein some areas. Hurst analysis of days with precipitation and monthly rainfallcould be an additional tool for interpreting rainfall data.


PLoS ONE ◽  
2019 ◽  
Vol 14 (3) ◽  
pp. e0214527
Author(s):  
Bahareh Rahmani ◽  
Chung Ki Wong ◽  
Payam Norouzzadeh ◽  
Jerzy Bodurka ◽  
Brett McKinney

PLoS ONE ◽  
2018 ◽  
Vol 13 (7) ◽  
pp. e0199144 ◽  
Author(s):  
Bahareh Rahmani ◽  
Chung Ki Wong ◽  
Payam Norouzzadeh ◽  
Jerzy Bodurka ◽  
Brett McKinney

2017 ◽  
Vol 96 ◽  
pp. 30-42 ◽  
Author(s):  
Charikleia Gkarlaouni ◽  
Stanislaw Lasocki ◽  
Eleftheria Papadimitriou ◽  
Tsaklidis George
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2015 ◽  
Vol 159 ◽  
pp. 51-61 ◽  
Author(s):  
Zhengtang Liang ◽  
Jun Liang ◽  
Li Zhang ◽  
Chengfu Wang ◽  
Zhihao Yun ◽  
...  

2013 ◽  
Vol 45 (4) ◽  
pp. 471-486 ◽  
Author(s):  
Eliseo Hernandez-Martinez ◽  
Teresa Perez-Muñoz ◽  
Jorge X. Velasco-Hernandez ◽  
Armando Altamira-Areyan ◽  
Luis Velasquillo-Martinez
Keyword(s):  
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