Table 1.

Overview of models discussed in the text. APSIM, agricultural production systems simulator; GHG, greenhouse gas; ICZ, integrated critical zone; MAGIC, model of acidification of groundwater in catchments; SAFE, soil acidification in forest ecosystems; SOM, soil organic matter.

modelICZSheffieldWITCHPROFILESAFEMAGICAPSIMDayCent-Chem
dynamicayesyesyesnoyesyesyesyes
typical scale of usagesiteglobalregional or catchmentsite or catchmentsite or catchmentcatchmentsitecatchment
driven bysite dataDGVM outputDGVM outputsite datasite datasite datasite datasite data
crop growth processesayesnononononoyesyes
GHG productionyesnononononoN2O,CO2N2O,NOx,CO2
soil hydrologybRichard's equationwater balanceinput for each layerinput for each layerinput for each layerinput for each layerbucket or RichardRichard's equation
SOM dynamics calculatedayesnononononoyesyes
soil chemistry calculatedbyesyesyesyesyesyespHyes
weathering ratesbkineticskineticskineticskineticskineticsinputnoneinput
CO2 consumptionbyesyesyesnonononono
enhanced weatheringbplannedyesnononononono
references[13,14][6][1517][18,19][20][21][22,23][24]
  • aRecommended. bRequired for cropland EW.