Table 1.

Empirical models.

References	Models	Country	Accuracy
Naserpour et al. [18]	SSM	Iran	–
Ayse Gul et al. [21]	SSM	Turkey	–
Anis et al. [22]	SSM	India	–
Lare et al. [23]	MSSM	Togo	–
Feng et al. [26]	MSSM	China	–
Ghazouani et al. [27]	NSM (T)	Saudi Arabia	–
Mghouchi [28]	NSM (T)	Morocco	–
Fan et al. [29]	NSM (T)	China	–
Lima et al. [44]	NSM	Brazil	–
De Souza [45]	NSM (T)	Trinidad and Tobago	–
Yakoubi et al. [51]	NSM (CC)	Morocco	–
Yousuf et al. [52]	NSM (DOY)	Pakistan	–
Gouda et al. [53]	NSM (DOY)	China	–
Didari et al. [54]	SSM NSM		SSM > NSM
Mughal et al. [58]	NSM	India	–
Makade [60]	SSM MSSM	India	MSSM > SSM
Oyewola [61]	SSM MSSM	Fiji Islands	MSSM > SSM
Kulcu [62]	SSM MSSM	Turkey	MSSM > SSM
Patchali [79]	SSM MSSM	Togo	MSSM > SSM
Teyabeen et al. [63]	SSM NSM	Libya	SSM > NSM
Sivakumar et al. [65]	SSM NSM	India	Two sites SSM > NSM Last two sites NSM > SSM
Mustafa [66]	SSM MSSM NSM (T, RH)	Saudi Arabia	MSSM > SSM > NSM
Uckan [67]	SSM NSM (L, Alt etc.)	Iraq	NSM > SSM
Balli [68]	SSM NSM (T)	Turkey	SSM > NSM
Bouchouicha et al. [69]	SSM NSM (T, DOY)	Algeria	SSM > NSM(T)>NSM(DOY)
Martins [70]	SSM NSM (T)	Brazil	SSM > MSSM
Al-Ghamdi [71]	SSM MSSM NSM	Saudi Arabia	NSM > MSSM > NSM
Masabi et al. [73]	SBDART SSM MSSM NSM (T, RH)		SBDART > SSM > MSSM > NSM
Chen [78]	SSM MSSM NSM (T)	China	NSM > MSSM > SSM (OSM using MODIS)