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Table 1 Attributes and results of six global PEMs available from the literature.

From: Satellite-based terrestrial production efficiency modeling

PEM Study period Timestep Cell-size LUE Scalars LUE-GPP
(g C MJ-1)
NPP
(Pg C yr-1)
Reference
CASA 1982-1998 Month 0.5° T, AET, PET 0.39e 48.0c [46]
GLO-PEM 1981-2000 10 days 8 km T, SW, VPD 1.03-1.64a 69.7b [48]
TURC 1998 Month No Scalars 1.10 64.0 [49]
C-Fix 1998-2008 10 days 1 km T, CO2, SW, EF 1.10 NAf [14]
MOD17 2000-2008 Day/Year 1 km T, VPD 0.68-1.159 56.0d [18]
BEAMS 1982-2000 Month T, h, SW 0.0-1.0   [53]
  1. a [13]; b [31]; c [78]; d [51]; e based on NPP; fNA (globally not available in published literature)
  2. T Temperature; SW Soil Water; VPD Vapour Pressure Deficit; AET Actual Evapotranspiration; PET Potential Evapotranspiration; CO2 fertilization factor; EF Evaporative Fraction; h Relative Humidity
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