Knowledge Resource Center for Ecological Environment in Arid Area
DOI | 10.24850/j-tyca-2018-03-10 |
Statistical analysis of the occurrence of annual meteorological droughts according to climate type in the state of San Luis Potosi, Mexico | |
Francisco Campos-Aranda, Daniel | |
来源期刊 | TECNOLOGIA Y CIENCIAS DEL AGUA
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ISSN | 0187-8336 |
EISSN | 2007-2422 |
出版年 | 2018 |
卷号 | 9期号:3页码:213-236 |
英文摘要 | Droughts are a regional and recurrent natural phenomenon, which is governed by local climatic parameters. Since the annual average precipitation is the fundamental quantity defining the climate, in this study it is used for the classification and the identification of the occurrence of meteorological droughts. Thirty-two complete annual rainfall records were processed from the state of San Luis Potosi, Mexico, whose amplitudes ranged from 45 to 55 years. These annual series define four climates, and an extremely simple model to detect and estimate the severity of droughts was applied to them. Two representative values of each climate were obtained: drought occurrence percentage (%0) and average intensity (AI). In the arid climate, the representative %0 was 26.9, with a 0.446 AI. For the semiarid climate the %0 decreased to 22.2 with an AI of 0.379. In the subhumid climate, both indicators fell, to 18.5 and 0.336, respectively. Lastly, in the humid climate the %0 decreased to 16.4, but the AI increased slightly to 0.344. The analysis of the occurrences of droughts in the years analyzed enables drawing conclusions about their temporal distribution, yearly and spatially, within the state of San Luis Potosi, Mexico. Conducting these analyses in other regions of the country is recommended, due to the importance of those estimations in order to understand the behavior of meteorological droughts in a region or state. |
英文关键词 | Annual precipitation climate spectrum statistical tests percentage of occurrences drought severity relative precipitation deficit drought years |
类型 | Article |
语种 | 英语 |
国家 | Mexico |
收录类别 | SCI-E |
WOS记录号 | WOS:000441349000010 |
WOS类目 | Engineering, Civil ; Water Resources |
WOS研究方向 | Engineering ; Water Resources |
资源类型 | 期刊论文 |
条目标识符 | http://119.78.100.177/qdio/handle/2XILL650/213422 |
作者单位 | Univ Autonoma San Luis Potosi, San Luis Potosi, Mexico |
推荐引用方式 GB/T 7714 | Francisco Campos-Aranda, Daniel. Statistical analysis of the occurrence of annual meteorological droughts according to climate type in the state of San Luis Potosi, Mexico[J],2018,9(3):213-236. |
APA | Francisco Campos-Aranda, Daniel.(2018).Statistical analysis of the occurrence of annual meteorological droughts according to climate type in the state of San Luis Potosi, Mexico.TECNOLOGIA Y CIENCIAS DEL AGUA,9(3),213-236. |
MLA | Francisco Campos-Aranda, Daniel."Statistical analysis of the occurrence of annual meteorological droughts according to climate type in the state of San Luis Potosi, Mexico".TECNOLOGIA Y CIENCIAS DEL AGUA 9.3(2018):213-236. |
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