What are the differences between RDIT (Rain-based Drought Indices Tool) and MDM (Meteorological Drought Monitoring) softwares?

As we know, drought events, which also called "the creeping hazard", develop slower and often unnoticed and have diverse and indirect consequences. So, quantifying this critical event is so important. Drought can be classified into four categories: me- teorological, hydrological, agricultural, and socio-economic drought. The first and the most important of them is related to "Meteorological drought".

Meteorological drought is defined as a sustained period for three months or more in which monthly precipitation is significantly below the long-term average over several years. There are different indices in this type of drought, that they apply different variables in their formula. The most applicable indices refer to rain-based drought indices which refer to such indices that just use precipitation amounts in their calculations.

Agrimetsoft has developed two useful tools, namely MDM (Meteorological Drought Monitor), and RDIT (Rain Based Drought Indices). Both of them calculate meteorological rain-based drought, but is MDM (Meteorological Drought Monitoring) you can just calculate the value of intent index and drew graphs. These meteorological drought indices are: SPI (Standardized Precipitation Index), DI (deciles index), PN (Percent of Normal Index), RAI (Rainfall Anomaly Index), EDI (effective drought index), CZI (China-Z index), MCZI (modified CZI), and ZSI (Z-Score Index).

To advance the understanding of monitoring and investigating droughts in the past, it is crucial to assess drought duration and severity. So, in RDIT (Rain-based Drought Indices Tool), you can calculate frequency and severity. Furthermore you can drew the graph of severity of the desirable index.

In a nutshell, MDM (Meteorological Drought Monitor) is a simple tool for calculating rain-based drought indices, with presenting very simple graphs, but RDIT (Rain-based Drought Indices) is a professional tool which can draw very important and useful graphs, as well it can easily compute duration and severity of each drought events. With using these tools, you can easily calculate eight rain-based drought indices, and compare them with each other. The tools can help you to find out the performances of each mentioned drought indices.

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