Table 2. Summary of the references evaluating and comparing the water and energy variables of the MERRA dataset.

Reference	Covered Dates	Variables	Location
Ashouri et al.33	1979–2010	Water	USA
Bracegirdle & Marshall43	1979–2008	Energy	Antarctica
Essou et al.34	1979–2003	Water and Energy	USA
Lader et al.45	1979–2009	Water and Energy	Alaska (USA)
Bosilovich et al.37	1979–2012	Water	Central USA
Roberts et al.35	2000–2010	Water	West Africa
Lindsay et al.42	1981–2010	Water and Energy	Arctic
Lorenz et al.36	1989–2010	Water	Global
Bosilovich et al.39	1979–2009	Water and Energy	Global
Trenberth et al.38	1979–2005	Water	Global
Cullather & Bosilovich40	1979–2005	Water	Polar Regions
Cullather & Bosilovich44	1979–2005	Energy	Polar Regions
Serreze et al.41	1979–2010	Water and Energy	Arctic