By dos100, when you look at the RCP8.5, aspects of higher-occurrence cropland are obvious in the us, Europe, and you can South-East Asia. High-occurrence pasture components was evident throughout the Western All of us, Eurasia, Southern area Africa, and Australian continent. Primary forest is actually extremely concentrated from inside the north large latitudes, and elements of Amazonia, while additional vegetation is typical in america, Africa, South usa and you can Eurasia. Patterns of RCP6 is broadly similar, but certainly which have faster pasture generally and especially regarding Joined States, Africa, Eurasia and you can Australian continent. RCPcuatro.5 have quicker cropland full than just either of past RCPs, way more belongings no fractional cropland, and you will high-thickness regions of supplementary herbs in america, Africa and you may Eurasia. Spatial patterns out-of RCP2.six is broadly exactly like those of RCP4.5.
Greenhouse fuel emissions
Emission and concentrations were harmonized to available historical data for the 2000–2005 period. For CO2 emissions from land-use change, in contrast, the average of the four RCP models was used as the 2005 harmonization value. On an aggregate scale, the difference between the original data and the final harmonized data are generally small. For the RCP2.6, RCP4.5 and RCP8.5 scenarios, the difference in total CO2 equivalent greenhouse gas emissions of 2005 was 2 to 4%, with 10% difference for the RCP6 scenario. The difference between the harmonized and unharmonized scenarios for cumulative emissions over the 2000–2050 period in total CO2 equivalent emissions is expected to be 1 to 2%, except for the RCP6 scenario, which has a difference of 5% (Meinshausen et al. 2011b).
The CO2 emissions of the four RCPs correspond well with the literature range, which was part of their selection criterion (Fig. 6).