TABLE 3.

Remote sensing and unmanned aerial vehicles

Earth spheres	Study	Region or country of study	Variables used							Specific topics and analysis
			Demographic and socioeconomic	Contamination	Weather	Mobility	Health services	COVID‐19 data	Remote sensing source	Spatiotemporal analysis	Correlations	Risk maps	Urban context	Political measures in research	Geographic specifications
Atmosphere	Wu et al. (2020)	China	×		×	×		Confirmed cases	Gesopatial Data Cloud		×		×
	Das et al. (2021)	India	×			×		Confirmed cases	Landsat−8 OLI/TIRS				Kolkata	×
	Yao, Pan, et al. (2020)	China	×	×			×	Confirmed cases	China Meteorological Data Sharing Service System	×	×		×
	Prunet et al. (2020)	France, Italy, Spain, Greece		×					S5P TROPOMI	Lockdown			Paris, Milan, Madrid, Athens	×
	Yao, Zuo, et al. (2020)	China	×		×			Confirmed cases	Resource and Environmental Science Data Center of the Chinese Academy of Sciences	×	×				Land use, environmental repercussions
	Aman et al. (2020)	India		×					Landsat‐8 OLI/TIRS	Lockdown			Ahmedabad
	Pei et al. (2020)	China		×					S5P TROPOMI	Lockdown			Beijing, Wuhan, Guangzhou	×
	Ghahremanloo et al. (2020)	East Asia		×					S5P TROPOMI	×				×	Environmental repercussions
	Wyche et al. (2020)	UK		×					S5P TROPOMI	×				×	Environmental repercussions
	Rahman, Azad, et al. (2020)	Bangladesh		×					S5P TROPOMI	Lockdown			x Dhaka	×
	El‐Magd and Zanaty (2020)	Egypt		×					MODIS	Lockdown				×
	Stieb, Evans, To, Brook, and Burnett (2020)	Canada	×	×				Confirmed cases	MODIS, MISR, GEOS‐Chem	×	×			×	NDVI
	Filonchyk et al. (2020)	China		×		×			MODIS, AIRS, AURA OMI	Lockdown				×
	Stratoulias and Nuthammachot (2020)	Thailand		×					S5P TROPOMI	Lockdown
	Ghosh, Das, et al. (2020)	India		×	×				Landsat‐8 OLI/TIRS	Lockdown			Mumbai, Delhi, Kolkata, Chennai		NDVI
	Roman‐Gonzalez, Navarro‐Raymundo, and Vargas‐Cuentas (2020)	Peru		×					S5P TROPOMI	×				×	Environmental repercussions
	Metya, Dagupta, Halder, Chakraborty, and Tiwari (2020)	South‐East Asia		×					AIRS, AURA OMI	Lockdown
	Ogen (2020)	Europe		×					S5P TROPOMI	×					Environmental repercussions
	Vîrghileanu, Săvulescu, Mihai, Nistor, and Dobre (2020)	Europe		×		×		Confirmed cases	S5P TROPOMI	×	×				Regional geography
	Naeger and Murphy (2020)	USA		×	×				S5P TROPOMI	×				×	Regional geography, environmental repercussions
	Tan, Li, Gao, and Jiang (2020)	China		×					S5P TROPOMI	Lockdown				×	Regional geography, environmental repercussions
	Roman‐González and Vargas‐Cuentas (2020)	Peru		×					S5P TROPOMI	×					Environmental repercussions
	Sandifer et al. (2020)	USA	×		×			Polls	NOAA, IOOS			×			Territorial planning
	Lyalko, Yelistratove, Apstolov, and Romanciuc (2020)	Ukraine		×					Envisat, NOAA	Lockdown					Environmental repercussions
	Evangeliou et al. (2020)	Europe		×	×				Global Atmosphere Watch	×					Environmental repercussions
	Oxoli et al. (2020)	Italy		×					S5P TROPOMI	Lockdown					Regional geography, environmental repercussions
	Pathakoti et al. (2020)	India		×	×				AURA OMI, S5P TROPOMI, MODIS	Lockdown				×
	Ash’aari et al. (2020)	Malaysia		×		×			MODIS	Lockdown					Environmental repercussions
	Venter, Aunan, Chowdhury, and Lelieveld (2020)	World	×	×	×				S5P TROPOMI	Lockdown					Environmental repercussions
	Karaer, Balafkan, Gazea, Arghandeh, and Ozguven (2020)	USA		×		×			S5P TROPOMI	×	×
Lithosphere	Das et al. (2021)	India	×			×		Confirmed cases	Landsat 8 OLI/TIRS				Kolkata	×
	Prunet et al. (2020)	France, Italy, Spain, Greece		×					S5P TROPOMI	Lockdown			Paris, Milan, Madrid, Athens	×
	Yao, Zuo, et al. (2020)	China	×		×			Confirmed cases	Resource and Environmental Science Data Center of the Chinese Academy of Sciences	×	×				Land use, environmental repercussions
	Wang, Peng, et al. (2020)	China	×						Institute of Geographic Sciences and Natural Resources Research of the Chinese Academy of Sciences	×					Land use, environmental repercussions
	Renigier‐Biłozor et al. (2020)	World	×											×	Land use, economic repercussions
	Elvidge et al. (2020)	China	×			×			VIIRS, DNB, NOAA	×			×		Land use, economic and environmental repercussions
	Minetto et al. (2020)	World	×			×			WorldView‐2 satellite	×			Munich, Phoenix, Moscow, Wuhan, North Korea	×	Land use, economic repercussions
	Okyere et al. (2020)	Ghana	×			×			Unmanned aerial vehicle					×	Aquatic geoenvironments, urban planning, economic repercussions
	Mobaied (2020)	Syria	×									×		×	Land use
	Ghosh, Elvidge, et al. (2020)	India	×						VIIRS DNB NOAA	×					Land use, economic and environmental repercussions
	Taoyang et al. (2020)	China					×		Gaofen‐2, Jilin‐1, Pléiades	×			Wuhan		Urban planning
	Saxena, Rabha, Tahlani, and Ray (2020)	India			×				National Remote Sensing Center ISRO	×					Land use, NDVI, economic and environmental repercussions
	Gupta, Bhatt, Roy, and Chauhan (2020)	India			×				MODIS	Lockdown					Environmental repercussions, NDVI
	Kanga et al. (2020)	India	×				×		WorldView‐1			×	Jaipur		Urban planning
Hydrosphere	Aman et al. (2020)	India		×					Landsat‐8 OLI/TIRS	Lockdown			Ahmedabad
	Okyere et al. (2020)	Ghana	×			×			UAV					×	Aquatic geoenvironments, urban planning, economic repercussions
	Garg et al. (2020)	India		×					Sentinel‐2A and Sentinel‐2B	Lockdown				×	Aquatic geoenvironments
	Yunus et al. (2020)	India		×					S5P TROPOMI, AURA OMI	Lockdown				×	Aquatic geoenvironments
	Rodríguez‐Benito et al. (2020)	Chile		×					Sentinel‐2 and Sentinel‐3	Lockdown				×	Aquatic geoenvironments
	Avtar et al. (2020)	China and India		×	×				Landsat 8 OLI, Sentinel‐2	Lockdown			Wuhan		Aquatic geoenvironments, environmental repercussions