Effect of algal biofilm and operational conditions on nitrogen removal in waste stabilization ponds thesis submitted in fulfilment of the requirements of the academic board of Wageningen University and the academic board of the UNESCO-IHE Institute of Water Education for the degree of doctor to be defended in public on Friday, 28 January 2011 at 10.00 a.m. in Delft, The Netherlands

Sustainable irrigation development in the White Volta sub-Basin disseration submitted in fulfilment of the requirements of the Board for Doctorates of Delft University of Technology and of the Academic Board of the UNESCO-IHE Institute for Water Education for the degree of doctor, to be defended in public on Tuesday, 13th December 2011 at 12:30 hours in Delft, The Netherlands

Salt intrusion, tides and mixing in multi-channel estuaries dissertation, submitted in fulfilment of the requirements of the Board for Doctorates of Delft University of Technology and of the Academic Board of the UNESCO-IHE Institute for Water Education for the degree of doctor, to be defended in public on Friday, 22 February 2008 at 10.00 hours in Delft, The Netherlands

Burrowing shrimps and seagrass dynamics in shallow-water meadows off Bolinao (NW Philippines) dissertation, submitted in fulfillment of the requirements of the Academic Board of Wageningen University and the Academic Board of UNESCO-IHE Institute for Water Education for the degree of doctor to be defended in public on Friday, 26 September 2008 at 15:30 H in Delft, The Netherlands

Very soft organic clay applied for road embankment modelling and optimisation approach : DISSERTATION submitted in fulfillment of the requirements of the Board for Doctorates of Delft University of Technology and of the Academic Board of the UNESCO-IHE Institute for Water Education for the Degree of DOCTOR, to be defended in public on Tuesday March 11, 2008 at 10.00 hours in Delft, the Netherlands

Mangroves and sediment dynamics along the coasts of Southern Thailand dissertation : submitted in fulfillment of the requirements of the Academic Board of Wageningen University and the Academic Board of the UNESCO-IHE Institute for Water Education : for the degree of doctor : to be defended in public on Monday, 27 March 2006 at 15:00 h in Delft, The Netherlands

Learning from data for aquatic and geotechnical environments dissertaion submitted in fulfilment of the requirements of the Board for the Doctorate of Delft University of Technology and the Academic Board of the UNESCO-IHE Institute for Water Education for the degree of doctor : to be defended in public on Friday, 9 September 2005 at 10:30 hours : in Delft, The Netherlands

Capacity development for improved water management