Skip to main content

Table 1 Abbreviation and description of the predictor variables used in the machine learning algorithm of the study

From: Application of machine learning techniques to simulate the evaporative fraction and its relationship with environmental variables in corn crops

Abbreviated variable

Description

Variable category

Unit

Sampling frequencies

LAI

Leaf area index

Biophysical

Number (#)

Bi-monthly

NEE*

CO2 net ecosystem exchange

Biophysical

μmol m−2 s−1

30 min

SWC*

Soil water content

Environmental/management

%

30 min

Ta*

Air temperature

Meteorology

oC

30 min

Rn

Net radiation

Meteorology

W m−2

30 min

G*

Soil heat fluxes

Meteorology

W m−2

30 min

VPD*

Vapor pressure deficit

Meteorology

Pascal

30 min

  1. *Predictor variable selected after Step 1