Amazon rainforest 0.0 / 5 ? GeographyCase studiesA2/A-levelOCR Created by: CLC1802Created on: 15-05-18 15:07 Average rainfall More than 2000 mm (high) 1 of 16 Interception rate 10% (accounts for 25% of evaporation) 2 of 16 Amount of precipitation returned to the atmosphere by evapotranspiration 50% 3 of 16 How much carbon absorbed a year 2.4 billion tonnes 4 of 16 NPP 2500g/m2/year 5 of 16 Percentage of Carbon stored in trees 60% 6 of 16 Deforestation amount 20% since 1970 7 of 16 Run off increase from rainforest to grasslands increase by factor 27 8 of 16 Future deforestation predictions 20% more 9 of 16 Porto Velho 20m above flow 10 of 16 Death- porto velho river 60 ppl/ 68,000 evacuated 11 of 16 Amount of carbon stored in trees- above ground 180 tonnes /ha 12 of 16 Amount of carbon stored in trees- below ground 90-200 tonnes/ ha 13 of 16 River flow 5.5 gigatonnes 14 of 16 Carbon rick soil Top 10cm 15 of 16 Estimate for decline in regional rain fall 20% 16 of 16
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