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Table 1 VECTRI default constants

From: A regional-scale, high resolution dynamical malaria model that accounts for population density, climate and surface hydrology

Symbol

Value

Units

Description

Reference

E + I

250

mm day-1

Total evaporation and infiltration losses

based on [85]

K L,Jepson

90.9

K day

Larvae growth degree days

[47]

K L,Bayon

200

K day

Larvae growth degree days

[48]

K gono

37.1

K day

Gonotrophic cycle degree days

[46]

K sporo

111

K day

Sporogonic cycle degree days

[46]

K flush,∞

0.4

 

Larvae flushing factor for infinite rain rate

based on [27]

K w

1

m-1

Pond growth rate factor

set by tuning or local knowledge of basin

K mar 1,0

0.45

 

Constant of Martens I vector survival scheme

[61]

K mar 1,1

0.054

°C-1

Constant of Martens I vector survival scheme

[61]

K mar 1,2

-0.0016

°C-2

Constant of Martens I vector survival scheme

[61]

K mar 2,0

-4.4

 

Constant of Martens II vector survival scheme

[62]

K mar 2,1

1.31

°C-1

Constant of Martens II vector survival scheme

[62]

K mar 2,2

-0.03

°C-2

Constant of Martens II vector survival scheme

[62]

M L,max

300

mg m-2

Carrying capacity of water bodies

[38]

N egg

120

 

Number of eggs per batch that result in female vectors

[30]

P L,surv 0

0.825

 

Larvae base daily survival rate

[29]

P hv

0.2

 

Probability of transmission from infective host to vector during single bloodmeal

[29]

P vh

0.3

 

Probability of transmission from infective vector to host during single bloodmeal

[29]

T wat

2

K

Pond water offset from air temperature

[92]

T L,min

16

°C

Minimum T wat for larvae development

based on [48]

T L,max

38

°C

Maximum T wat for larvae development

based on [48]

T gono,min

7.7

°C

Minimum T2m for egg development

[46]

T sporo,min

16

°C

Minimum T2m for sporogonic cycle

[29]

Ï„ flush

50

mm day-1

Larvae-flushing rainfall e-folding factor

based on [27]

Ï„ zoo

50

km-2

Population density zoophilic factor

set by tuning

w max

0.04

 

Maximum temporary pond fraction in cell

set by tuning or local knowledge of basin

  1. List of constants in VECTRI.