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~ ~ ~ PURPOSE ~ ~ ~
this subroutine calculates the amount of organic nitrogen removed in
surface runoff
~ ~ ~ INCOMING VARIABLES ~ ~ ~
name |units |definition
~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~
enratio |none |enrichment ratio calculated for day in HRU
erorgn(:) |none |organic N enrichment ratio, if left blank
|the model will calculate for every event
ihru |none |HRU number
~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~
~ ~ ~ ~ ~ ~ END SPECIFICATIONS ~ ~ ~ ~ ~ ~
HRU calculations
kg/ha = t/m3 * mm * 10,000 m2/ha * m/1000 mm * 1000 kg/t
HRU calculations
kg/ha = t / ha * 1000. kg/t
update soil nitrogen pools only for HRU calculations