Default CN2 in MGT

A default CN2 is defined in mgt file as shown in following examples. 49.00 | CN2: Initial SCS CN II value Question 1: Where does this default CN2 come from? The default CN2 comes from either crop table or urban table of SWAT2012.mdb. Four columns (CN2A, CN2B, CN2C, CN2D) are defined in table crop/urban, which …