constant | cAfterTSUM1 | End of sensitive period for kernel abortion relative to anthesis; 100DD after silking in maize | DOUBLE | C day | - | - | 100.0 |
constant | cBeforeTSUM1 | Start of sensitive period for kernel abortion relative to anthesis; 250DD before silking in maize | DOUBLE | C days | - | - | 250.0 |
constant | cReductionPerDHAboveTempCritical | reduction in kernel number/ yield per degree-hour above a threshold temp | DOUBLE | one | - | - | 0.05 |
constant | cTCritical | Temperature at which reduction in final yield occurs due to kernel abortion | DOUBLE | C | - | - | 32.0 |
constant | cTSUM1 | Cultivar specific temperature sum to reach anthesis | DOUBLE | C day | - | - | - |
input | iDVS | current crop development stage | DOUBLE | one | - | - | - |
input | iTSUM | cumulative temperature sum from emergence | DOUBLE | C day | - | - | - |
input | iTinput | estimated canopy temperature | DOUBLEARRAY | C | - | - | - |
input | iYield | storage organ yield | DOUBLE | | - | - | - |
state | TSUMprevDay | temperature sum from previous day | DOUBLE | C day | - | - | - |
state | rDHAboveTempCritical | todays increment in degree-hours above cTCritical | DOUBLE | C day | - | - | - |
state | sCumulativeDHAboveTempCritical | cumulative degree-hours around flowering above cTCritical | DOUBLE | C day | - | - | - |
state | sHSRedFactor | yield reduction factor due to cumulative high temperatures above CTCritical | DOUBLE | one | - | - | - |
out | FinalHSTSUM | Temperature sum at which determination of grain reduction due to heat stress ended | DOUBLE | | - | - | - |
out | HSAdjustedYield | yield of storage organs adjusted for high temperatures around flowering | DOUBLE | g m-2 | - | - | - |
out | HSPeriodEndDOY | DOY when determination of grain reduction due to heat stress ended | INT | | - | - | - |
out | HSPeriodStartDOY | DOY when determination of grain reduction due to heat stress started | INT | | - | - | - |
out | NumHoursWithHS | Count of hours when temperature exceeded cTCritical | INT | | - | - | - |
out | StartHSTSUM | Temperature sum at which determination of grain reduction due to heat stress started | DOUBLE | | - | - | - |