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$DeltaPowerTerm_{act,tay}^{t}=DeltaGPowerTerm_{act,tay}^{t}+DeltaPowerTranTerm_{act,tay}^{t}+DeltaTerDisputeTerm_{act,tay}^{t}+DeltaConcenTerm_{act,tay}^{t}$

where

$DeltaGPowerTerm_{act,tay}^{t}=GPowerTerm_{act,tay}^{t}-GPowerTermI_{act,tay}^{t-1}$

$DeltaPowerTranTerm_{act,tay}^{t}=PowerTranTerm_{act,tay}^{t}-PowerTranTermI_{act,tay}^{t-1}$

$DeltaTerDisputeTerm_{act,tay}^{t}=TerDisputeTerm_{act,tay}^{t}-TerDisputeTermI_{act,tay}^{t-1}$

$DeltaConcenTerm_{act,tay}^{t}=ConcenChange*\mathbf {wpcon} +ConcenChange^{2}*\mathbf {wpconsq}$

where

GPowerTerm^t_{act,tay}=f(POWER^t_{act},POWER^t_{tay},\mathbf{wpgreatthresh,wpgreatlev},wpgreat1,wpgreat2)</math>

$PowerTranTermI_{act,tay}^{t}=f(POWER_{act}^{t},POWER_{tay}^{t},\mathbf {wppowtran1,wppowtran2} )$

$TerDisputeTerm_{act,tay}^{t}=TerDispute_{act,tay}^{t}*\mathbf {wpterdisp}$

ConcenChange=Max(\mathbf{wpconmin},Min(\mathbf{wpconmax},PCONGREAT^t))-Max(\mathbf{wpconmmin},Min(\mathbf{wpconmax},PCONGREAT^{t-1}))