Seasonality and anomalies of sea surface temperature off the coast of Nayarit, Mexico

被引:23
|
作者
Palacios-Hernandez, Emilio [4 ]
Carrillo, Laura E. [3 ]
Filonov, Anatoliy [4 ]
Brito-Castillo, Luis [1 ,4 ]
Cabrera-Ramos, Carlos E. [2 ]
机构
[1] CIBNOR, Unidad Sonora, Guaymas 85454, Sonora, Mexico
[2] Ctr Invest Cient & Educ Super Ensenada, Ensenada 22860, Baja California, Mexico
[3] El Colegio Frontera Sur, Quintana Roo 77014, Mexico
[4] Univ Guadalajara, Guadalajara 44840, Jalisco, Mexico
关键词
Nayarit; Rainfall; SST; EASTERN TROPICAL PACIFIC; BAJA-CALIFORNIA; VARIABILITY; CIRCULATION; HYDROGRAPHY; ATLANTIC; CLIMATE;
D O I
10.1007/s10236-009-0244-z
中图分类号
P7 [海洋学];
学科分类号
0707 ;
摘要
Sea surface temperature (SST) harmonic and empirical orthogonal function (EOF) analyses covering 18 years were performed for the area located from 114A degrees to 105A degrees W and from 18A degrees to 25A degrees N. The results indicate that the influence of the annual signal predominates over the semi-annual signal, and the closer to the coast, the stronger the annual harmonic. Several interannual anomalies arose that are connected with the main global indexes, especially the Oceanic Nio Index. Pearson correlations between the first temporal mode of the SST and regional rainfalls in Nayarit indicate that maximum correlations (r > 0.7) are observed when there is a +1-month lag between the series. However, this result indicates that SST is delayed with 1 month after rainfall occurrence, which shows that the dominant influence in this relationship is not the SST forcing.
引用
收藏
页码:81 / 91
页数:11
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