Short Notice! There are dates for two conferences next year:
1) There is the FOSSGIS 2014, the largest german-language conference for Free and Open Source Software for GIS and Free Geodata hosting about 400 participants, which takes place in 2014 in Berlin (Germany). The conference is from March 19-21, 2014. The abstract submission has already started and will end on Nov 15, 2014. http://www.fossgis.de/konferenz/2014/
2) River Flow 2014, is the international conference on fluvial hydraulics. This conference is located in Laussanne (Switzerland) and takes place on September 3-5, 2014. From there own description:
The conference intends to create an environment for reflection, discussion and exchange of knowledge regarding fluvial hydraulics and river morphology. It is an opportunity to meet, to discuss and to learn about the interaction between water, sediments and structures in natural or built environments.
The abstract submission deadline is already in October 1st, 2013, so quite soon. Moreover, the conference is subdivided into five topics, namely: River hydrodynamics, River morphology and sediment transport, River engineering and restoration, Reservoir sedimentation and Swiss competences in river engineering and restoration. For more information have a look at their website: http://riverflow2014.epfl.ch/