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TOTAL_DISCHARGE_TO_OCEAN_LIQ

b.cesm3_cam058_mom_c.B1850WscMOM.f09_L58_t061.011 (Annual Mean yrs 8-27)

m³ s^-1

b.e21.B1850.f09_g17.CMIP6-piControl.001 (Annual Mean yrs 1280-1299)

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b.cesm3_cam058_mom_c.B1850WscMOM.f09_L58_t061.011

lrunoff (0040-01)

kg m^-2 s^-1

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b.cesm3_cam058_mom_c.B1850WscMOM.f09_L58_t061.011

4 of 14

All Wetland Gridcells

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b.cesm3_cam058_mom_c.B1850WscMOM.f09_L58_t061.011

lrunoff (Annual Mean yrs 8-27)

kg m^-2 s^-1

6 of 14

b.cesm3_cam058_mom_c.B1850WscMOM.f09_L58_t061.011

lrunoff (Monthly Minimum yrs 8-27)

kg m^-2 s^-1

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Options

Status Quo - Unacceptable in an Earth System Model
Reduce through Mosart Direct to Outlet method
Treat ocean/land mismatch as vegetated/soil instead of wetland
Combination of 2 and 3

Does not completely eliminate negative runoff

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TOTAL_DISCHARGE_TO_OCEAN_LIQ

m³ s^-1

ctsm51_ctsm51d100_1deg_GSWP3V1_directtooutlet_2000

bypass_routing_option=‘direct_to_outlet’, qgwl_runoff_option=‘negative’

(Annual Mean yrs 6-10)

ctsm51_ctsm51d100_1deg_GSWP3V1_2000

bypass_routing_option=‘direct_in_place’, qgwl_runoff_option=‘threshold’

(Annual Mean yrs 6-10)

Land-Only

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Effects of direct_to_outlet plus wetland replacement

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Effects of wetland replacement

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Fully Coupled w/Mosart Balance Errors

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TOTAL_DISCHARGE_TO_OCEAN_LIQ

b.cesm3_cam058_mom_c.B1850WscMOM.f09_L58_t061.011 (Annual Mean yrs 8-27)

m³ s^-1

b.cesm3_cam058_mom_c.B1850WscMOM.f09_L58_t061.015

bypass_routing_option=‘direct_to_outlet’, qgwl_runoff_option=‘negative’

(Annual Mean yrs 2-4)

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b.cesm3_cam058_mom_c.B1850WscMOM.f09_L58_t061.011

lrunoff (Monthly Minimum yrs 8-27)

kg m^-2 s^-1

b.cesm3_cam058_mom_c.B1850WscMOM.f09_L58_t061.015

lrunoff (Monthly Minimum yrs 2-4)

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b.cesm3_cam058_mom_c.B1850WscMOM.f09_L58_t061.015

b.cesm3_cam058_mom_c.B1850WscMOM.f09_L58_t061.011