Two-Stage Robust Optimization Model for Fresh Cold Chain considering Carbon Emissions and Uncertainty

Table 1

Description of relevant parameters and variables of the model.

Sign	Description
	, 0-1 variable, if , select as the storage site; else, do not select;
	, continuous variable, if , select the path ;
	Demand
	Fixed cost
	Corruption rate of fresh products
	Maximum inventory of transfer cold storage
	Maximum load capacity of large refrigerated vehicle
	Maximum load capacity of minirefrigerated vehicle
	Fuel consumption cost of unit vehicle transportation
	Unit consumption cost of fuel
	Unit fuel consumption of vehicle
	Unit delay penalty cost
	Unit carbon tax
	Distance between place of origin and transfer cold storage
	Distance from temporary cold storage to demand site
	Average vehicle speed
	Base time of arrival
	Maximum arrival time
	The set of transfer cold storages consists of
	The set of demand sites consists of