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air, water and soil quality qualité - ER Ambiente - Regione Emilia ...

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DISCHARGE MEASURES AND EVALUATION<br />

OF HYDROMETRIC LEVELS IN LOW WAT<strong>ER</strong> CONDITIONS<br />

BASIN OF THE RIV<strong>ER</strong> RENO (ITALY)<br />

MESURES DE DEBIT ET ÉVALUATION DES NIVEAUX<br />

HYDROM<strong>ER</strong>IQUES PENDAND LES PÉRIODES D'ETIAGE<br />

BASSIN DE LA RIVI<strong>ER</strong>E RENO (ITALIE)<br />

MISURE DI PORTATA E VALUTAZIONE DEI LIVELLI<br />

IDROMETRICI NEI P<strong>ER</strong>IODI DI MAGRA<br />

BACINO DEL F. RENO (ITALIA)<br />

Camilla Iuzzolino*, Lorenzo Canciani<br />

Autorità di Bacino del Fiume Reno<br />

* Corresponding author: e-mail: ciuzzolino@regione.emilia-romagna.it<br />

Summary<br />

Beginning from 2005, the Reno Basin Authority has undertaken field <strong>and</strong> office<br />

activity for verifying <strong>and</strong> reporting discharge levels during drought periods in the<br />

main <strong>water</strong> courses of the river basin.<br />

Throughout the year discharge measures were performed in order to verify flows<br />

<strong>and</strong> to maintain the flow scales of the telehydrometic instruments, with detailed<br />

attention to the description of low <strong>water</strong> conditions.<br />

Above all in the summer period was carried out a real-time control of the<br />

hydrometric levels, weekly <strong>and</strong> in concomitance with significant rainfalls, for<br />

learning the state <strong>and</strong> the hydrological behaviour of the river basin, <strong>and</strong> also the<br />

location of eventual critical situations.<br />

The objective was to develop an instrument of aid to management, so that it<br />

concurs to gradually master certain weaknesses, trying to guarantee the greater<br />

number of requirements, with an detailed attention to priority uses.<br />

Keywords: Minimum vital flow; streamflow monitoring<br />

Résumé<br />

À partir de 2005, l’Autorité de Bassin du Reno a entrepris une activité de terrain et<br />

de bureau concernant la vérification et le relevé du fonctionnement des niveaux<br />

hydrométriques qui donnent les débits des principaux cours d'eau du bassin dans le<br />

périodes sèches.<br />

Pendant l'année sont exécutés des mesures de débits pour vérifier les écoulements,<br />

ainsi que l'entretien et la mise à jour des courbes d'étalonnage des instruments<br />

téléhydrométriques, avec une attention particulière à la description des conditions<br />

d'étiage.<br />

Surtout dans la période estivale, est effectué en temps réel le contrôle des niveaux<br />

hydrométriques, hebdomad<strong>air</strong>ement et en concomitance avec les pluies<br />

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