The 2014 conference proceedings are available at the following link:
http://www.iemss.org/sites/iemss2014/proceedings.php
The proceedings can be cited as:
Ames, D.P., Quinn, N.W.T., Rizzoli, A.E. (Eds.), 2014. Proceedings of the 7th International Congress on Environmental Modelling and Software, June 15-19, San Diego, California, USA. ISBN: 978-88-9035-744-2