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| DOI | 10.1007/s11069-021-04897-1 |
| Spatio‐temporal trend analysis of drought in the GAP Region, Turkey | |
| Gumus V.; Simsek O.; Avsaroglu Y.; Agun B. | |
| 发表日期 | 2021 |
| ISSN | 0921030X |
| 英文摘要 | Drought is considered to be one of the most devastating natural disasters. In recent years, determination of historical droughts has gained more importance. This can be attributed to the fact that once the trend of historical droughts is determined, it should be possible to struggle against drought more effectively. In this study, the drought analysis is performed in the Southeastern Anatolia Project (GAP) region, which is Turkey's biggest integrated project, using the monthly total precipitation data from 15 stations in nine provinces. Standardized precipitation index (SPI), being one of the most frequently used methods in the literature, is used to determine the drought indices. Temporal drought and occurrence of drought are calculated for 3, 6 and 12 month time scales. The non-parametric Mann–Kendall and Mann–Kendall Rank Correlation tests are used to determine the monotonic trends of drought indices and its year of initiation. The “Pre-whitened” method is used to remove serial correlation from time series before analysis. Linear slope of the trend is determined by Sen's Slope method, and Inverse Distance Weighting method is used for the spatial analysis. According to trends of temporal drought of the GAP region, a decreasing trend is found in 30% of the stations for 12-month SPI values with a statistical significance. Based on the results obtained from spatial analysis, there is a decreasing trend in most of the region for almost all time scales, and the slopes of trend are relatively higher in the north and south of the region. © 2021, The Author(s), under exclusive licence to Springer Nature B.V. |
| 关键词 | Drought analysisGAP regionSpatial analysisTemporal analysisTrend analysis |
| 语种 | 英语 |
| 来源期刊 | Natural Hazards
 |
| 文献类型 | 期刊论文 |
| 条目标识符 | http://gcip.llas.ac.cn/handle/2XKMVOVA/206254 |
| 作者单位 | Department of Civil Engineering, Harran University, Sanliurfa, 63050, Turkey |
| 推荐引用方式 GB/T 7714 | Gumus V.,Simsek O.,Avsaroglu Y.,等. Spatio‐temporal trend analysis of drought in the GAP Region, Turkey[J],2021. |
| APA | Gumus V.,Simsek O.,Avsaroglu Y.,&Agun B..(2021).Spatio‐temporal trend analysis of drought in the GAP Region, Turkey.Natural Hazards. |
| MLA | Gumus V.,et al."Spatio‐temporal trend analysis of drought in the GAP Region, Turkey".Natural Hazards (2021). |
| 条目包含的文件 | 条目无相关文件。 | |||||
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