finding concave surface from DEM

Discussion created by yoshiron on Dec 7, 2011
Latest reply on Dec 9, 2011 by yoshiron
Dear All,

Is it possible to delineate the extent of concave surface from a DEM?

The output can be either a raster or shape.

I am predicting the spread of a pollutant. The pollutant will be accumulated in concave places, such as pit, hollow, depression, basin.

Thank you.