Drought Observatory Archives - climateservices.it CNR-IBE

Prototype of a drought monitoring and forecastingsystem for the Tuscany region

Web Editor — Tue, 17 Jan 2023 08:40:59 +0000

A system for drought monitoring and medium–long time forecasting in the Tuscany region (central Italy) is brieﬂy introduced, which is based on ground and satellite data (1km spatial resolution and 16-day temporal resolution). It is also shown how information about current conditions and the future evolution of a drought event is periodically delivered on the LaMMA Consortium website, in collaboration with the Institute of Biometeorology – IBIMET-CNR (now Institute of BioEconomy – IBE-CNR).

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A Counting Process Approach for Trend Assessment of Drought Condition

Massimiliano Pasqui — Tue, 21 Jul 2020 16:25:57 +0000

This paper discusses some methodological aspects of the historical analysis of drought, particularly the trend assessment. The Standardized Evapotranspiration Index (SPEI) is widely used as a measure of drought condition. Since different SPEI thresholds allow classifying the risk into moderate, severe, and extreme, the drought occurrence becomes a counting process. In this framework, would a statistical trend test based on a Non-Homogeneous Poisson Process (NHPP) give a similar result of the nonparametric Mann–Kendall (MK) test? In this paper, we demonstrate that the NHPP approach is able to characterize the information given by the classical MK approach in term of drought risk classes. Furthermore, we show how it can be used to reinforce the framework of drought trend analysis in combination with a standard non-parametric approach. At a global scale, we find that:(1) areas under increasing risk of drought identified by the NHPP approach are considerably larger in comparison to those identified by MK; and (2) the results of the two tests are different during crucial periods such as hydrological droughts in winter and spring

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Drought Monitoring and Forecasting Services

Web Editor — Sun, 07 Apr 2019 09:30:31 +0000

Towards Customizable Applications

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Drought Observatory Part 3

Web Editor — Fri, 25 Jan 2019 08:47:38 +0000

Leandro Rocchi

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Drought Observatory Part 2

Web Editor — Fri, 25 Jan 2019 07:55:06 +0000

Ramona Magno

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Drought Observatory Part 1

Web Editor — Fri, 25 Jan 2019 07:50:36 +0000

Tiziana De Filippis

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