Current frequent alternation of dry and wet periods is justification for elaboration of new climate indices that would take into account rainfall precarious aspect in the Republic of Moldova's territory. In dry periods assessment is proposed Dry Periods Izu Index which illustrates the desertification degree in Central and South part of the country, and Rainfall Excesses Ip Index, that expresses the degree of abundant rainfall degree in terms of floods risk. Using Geographical Information

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... were developed Izu and Ip cartographic models, which illustrate the vulnerable territories to the desertification process and flooding risks.