Model Run Log


SCENARIO MODEL RUNS

P1PRE1B	Lacustrine source of E-DONOR, C0 = 1, rate = 0.001
P1PRE2	Random ~4% source of E-DONOR in Layer 1, C0 = 100, rate = 0.001
P1PRE3	Four wetland sources of E-DONOR in Layer 1, C0 = 100, rate = 0.001, upORdown
These 3 scenario model run files are included in this model archive



SENSITIVITY MODEL RUNS ON P1PRE2

Sensitivity to solver strategy
S1PRE2	1. Lacustrine confining unit represented as 3 layers instead of 1 
P1VRE2	2. TVD solver instead of finite difference solver 
P1TRE2	3. Transport time step = 0.5 day instead of 5 days 

Sensitivity to attenuation parameters
P1ARE2	1. First-order rate constant in source areas = 0.1 instead of 0.001 day-1 
P1R3E2	2. First-order rate constant everywhere = 0.01 instead of 0.001 day-1 
P1RRE2	3. First-order rate constant everywhere = 0.0001 instead of 0.001 day-1 
P1XRE2	4. Donor retardation = 10 instead of 1 outside of source areas 
P1DRE2	5. Increased dispersivity by 10x: longitudinal = 10 feet instead of 1 foot 

Sensitivity to concentrations of electron acceptors
P1WRE2	1. Alternate background water quality 
P1NIT2	2. Nitrate loading: concentration in recharge set to 10 mg/L for 50 years 
P1PRE2i	3. Maximum allowable dissolved Fe2+ concentration 10 mg/L instead of 40 mg/L

Sensitivity to electron-donor behavior
P1PRE0	1. No electron-donor source areas, only in recharge and river water 
P1PRE22	2. Redox reactions only occur in electron donor source areas (fixed instead of mobile
               source) 


SENSITIVITY MODEL RUNS ON P1PRE1B, P1PRE2, and P1PRE3

Sensitivity to pumping
P1EXT1B 	1. P1PRE1B scenario at 20 years
P1PMP1B	2. P1PRE1B scenario at 20 years continuous pumping
P1EXT2 	3. P1PRE2 scenario at 20 years
P1PMP2	4. P1PRE2 scenario at 20 years continuous pumping
P1EXT3 	5. P1PRE3 scenario at 20 years
P1PMP3	6. P1PRE3 scenario at 20 years continuous pumping

These 19 sensitivity model run files are NOT included in this model archive
