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Résumé
Extrapolating regional probability of drying of headwater streams using discrete observations and gauging networks
Headwater streams represent a substantial proportion of river systems and many of them have intermittent flows due to their upstream position in the network. These
intermittent rivers and ephemeral streams have recently seen a marked increase in interest, especially to assess the impact of drying on aquatic ecosystems.
The objective of this paper is to quantify how discrete (in space and time) field observations of flow intermittence help to extrapolate over time the daily probability of drying (defined at the regional scale).