Dear fei, The module is a grass add-on not included in the main grass code.
If I remember correctly, running the code is quite straight forward given a dtm with the dam included, an initial lake level and a raster with the depth of dam ropture (to be subtracted from the initial dtm) Please Roberto ( in CC ) correct me if I'm wrong. Do you have any tutorial to point out with sample data? Massimiliano
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