Agricultural And Meteorological Softwares Agricultural And Meterological Softwares

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If we use one drought index, does it sufficient to make a decision for drought condition?

Although most of the drought indices are strongly cross-correlated and exhibit rather comparable seasonal and annual DDI trends, selecting a single most appropriate index of meteorological drought is still a dificult task and the difficulty arises from various sources including the spatial variability of climates and the temporal scales of the intended applications (Morid et al., 2006; Shahabfar and Eitzinger, 2013). Therefore, a variety of indices should always be examined to select the best or better drought indices for a specific case study (Salehnia et al., 2017).

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