欧洲土壤有机碳的建模与监测.pdf

1、1Modelling and monitoring soil organic carbon in European soilsPanos Panagos Emanuele Lugato European Commission,Joint Research Centre(JRC)-Directorate Sustainable Reources(Ispra)2Soil is cross cutting within many policy initiativesCarbon Removal Certification3Proposal for a Directive on Soil Monito

2、ring and Resilience(Soil Monitoring Law,5 July 2023)Proposal for the first-ever EU legislation on soils provides a harmonised definition of soil health,puts in place a comprehensive and coherent monitoring framework and fosters sustainable soil management and remediation of contaminated sites.Soil O

3、rganic Carbon concentration is among the 11 descriptors 4The EU Soil Observatory(EUSO)56What is the current situation in the EU?The land is acting as a C sink mainly because of forests7SOC stocks in agricultural soils?Modelling approacherosionLugato E.et al.,Nature Climate Change 8,219223(2018)Lugat

4、o E.et al.,Science Advances 4(11),2018 Lugato E.et al.,GCB,20(11),2014Biogeochemistry model frameworkCarbon and nitrogen fluxesIncluding practicesCover cropReduced till.No-tillNo practices scenarioData Source:FSS Farm Structural surveyC sinkC sourcedC stock in agricultural land=-NPP+Rh+Cexp+ClatdC=5

5、.3 Mt yr-1average loss dC=11.9 Mt yr-1average lossDayCent 8Surveys(and the resulting data)span multiple years 2009,2015,2018,202242,000 observationsSoil archive at the JRC premises in Ispra(IT)Close cooperation with MSsThe JRC manages the LUCAS SOIL survey:sample design,measurement protocols through

6、 integrated analysis and monitoring,training of surveyors SOC stocks in agricultural soils:Data Driven approach with LUCAS SOIL survey Coarse fragments Particle-size distribution(clay,silt,sand)pH Organic carbon Carbonate content Total nitrogen content Extractable potassium content Phosphorous conte