Drought Situation
In Italian Only
- Ramona Magno
- I grandi laghi del nord Italia, al 7 Maggio, mostrano tutti valori al di sopra della media di riempimento rispetto al massimo valore d’invaso disponibile (volume è compreso tra il limite minimo e il limite massimo dell’attività di regolazione delle acque). In Sicilia, al contrario, ad Aprile il riempimento medio rispetto alla capacità totale degli invasi era intorno al 30%, con i valori più alti al 65% e i più bassi al 4% (dati Regione Sicilia).
- La produzione di energia idroelettrica fra il 22 e il 29 Aprile nelle regioni settentrionali della penisola era in media rispetto ai valori registrati dal 2016, mentre in Sicilia, per lo stesso periodo, si è raggiunto il minimo, con valori equiparabili al periodo dell’anno di minore produzione.
- Eventi climatici estremi: le zone a rischio
- Siccità in Sicilia. Si rischia un’estate drammatica. Acqua razionata per un milione di persone
- Podcast “A secco” – 1. La siccità e il clima che cambia
- Come il cambiamento climatico influisce su siccità e riserve d’acqua
- Cambiamenti climatici. Chiare calde e rare acque
- Clima, neve e pioggia non bastano a placare la siccità al Sud. L’Italia senza una strategia, tra bacini sottoutilizzati e il dilemma dei nuovi invasi
Drought WebGIS
Please Note: Due to the size of the images, it is possible to download sections of the vegetation indices smaller than the whole geographic window.
Please Note: due to problems concerning the Terra MODIS satellite, the TCI and VHI indices are available until the 9th of November 2022. They will be replaced soon with new products.
Other Services
Open data
Through CKAN and GeoServer, a complete catalog to publish data and metadata in several formats and standard protocols. Spatial data can be integrated and reused by any third-party client applications.
API REstful
The service allows the integration of any client application data from the Drought Observatory Spatial Data Infrastructure. The RESTful APIs developed are available on the GitHub platform.
The drought is a complex phenomenon
The challenge
Increasing environmental resilience
A Scientific Proactive approach
Technical support and timely information
A frequent Phenomenon
After flooding, it is the second natural disaster that affects the population.
Long term impact
The impact on the environment and human activities can show up late and persist even after the end of the drought event.
HIGH VARIABILITY
Its intensity and spatial extent are extremely variable.
A CREEPING PHENOMENON
With respect to other natural extreme events, drought is characterised by a slow and often difficult to define onset and a long-lasting evolution.
Drought Observatory: the reason why
Drought monitoring and forecasting system
Integration of ground-based and satellite data
The Indices: Drought occurrences and trends
The system is based on a monitoring component and on a forecasting ones. It uses two type of indices:
- direct climate-based indices.
- indirect vegetation-based indices
A continuous Work-in-Progress
Spatial Data Infrastructure
SOA | OGC | PostgreSQL
A Service-Oriented Architecture (SOA) based on Open Geospatial Consortium (OGC) standards. Database-centred architecture, with PostgreSQL DataBase Management System.
Innovative Approach
The geographic data flows (from the download of remote sensing and climatic data to the storage of final indices) and all the related geoprocessing functions are integrated in a single environment.
Advanced Statistical Procedures
The integration of the PL/R (R Procedural Language) wrapper into the procedural language of PostgreSQL (PL/pgSQL) allowed the creation of advanced statistical procedures using R engine.