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Hydrology of temporary streams and basins
Convener: M. Kirkby  | Co-Conveners: M. Sivapalan , F. Gallart , R. Moussa 
Oral Programme
 / Thu, 26 Apr, 13:30–15:00  / Room 34
Poster Programme
 / Attendance Fri, 27 Apr, 10:30–12:00  / Hall A

Temporary streams are those water courses that suffer the recurrent cessation of flow or the complete drying of their channel. This type of stream is not only widespread in dry climate areas, but is also the first-order stream network in most drainage basins in wetter climates and is further expected to increase because of both climate warming and rising water consumption due to human activities. The hydrology of these streams is poorly known in contrast with the increasing needs for their sound management. On one hand, most of the temporary streams are ungauged or poorly gauged, whereas the non linearity and the spatial discontinuity of the processes and flows make uneasy the application of models. On the other hand, infrequent floods feed water reservoirs and recharge alluvial aquifers whereas they carry large amounts of sediments and pollutants.

Contributions are welcome on diverse aspects of the basin hydrology in dry climates or headwater areas, including precipitation, evapotranspiration, aquifer recharge and runoff processes, as well as solute and particulate transfer of solids. Contributions on monitoring studies as well as field experiments and modelling approaches are encouraged.