pesticide_db Derived Type

type, public :: pesticide_db


Components

Type Visibility Attributes Name Initial
character(len=16), public :: name = ""

|pesticide name

real, public :: koc = 0.

(mL/g) |soil adsorption coeff normalized for soil org carbon content

real, public :: washoff = 0.

none |frac of pesticide on foliage which is washed off by rainfall event

real, public :: foliar_hlife = 0.

days |half-life of pest on foliage

real, public :: soil_hlife = 0.

days |half-life of pest in soil

real, public :: solub = 0.

mg/L (ppm) |solubility of chemical in water

real, public :: aq_hlife = 0.

days |aquatic half-life

real, public :: aq_volat = 0.

m/day |aquatic volatilization coeff

real, public :: mol_wt = 0.

g/mol |molecular weight - to calulate mixing velocity

real, public :: aq_resus = 0.

m/day |aquatic resuspension velocity for pesticide sorbed to sediment

real, public :: aq_settle = 0.

m/day |aquatic settling velocity for pesticide sorbed to sediment

real, public :: ben_act_dep = 0.

m |depth of active benthic layer

real, public :: ben_bury = 0.

m/day |burial velocity in benthic sediment

real, public :: ben_hlife = 0.

days |half-life of pest in benthic sediment

real, public :: pl_uptake = 0.

none |fraction taken up by plant

real, public :: harvest_sink = 1.

0/1 |1=plant is 100% sink (lost on uptake); 0=accumulates in pl_in, returned to soil on harvest/kill

real, public :: resistance_n = 1.

0-1 |resistance blending: 0=actual st conc; 1=field-capacity conc; st_eff = st + n*max(0,fc-st)

character(len=32), public :: descrip = ""