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A new study led by scientists from the University of California has revealed how protecting tropical forests can yield climate benefits that enhance carbon storage in nearby areas.The study was published in the journal, 'Nature Communications'.Scientists used climate models, satellite data and computer simulations to mimic the planet's climate as it exists today and how it may exist in the future as humanity keeps emitting greenhouse gases.Such models rely on accurate measurements of all the moving parts of the climate system, from how much sunlight hits and warm the climate, to the response of forest biomass to changes in temperature, rainfall and atmospheric carbon dioxide levels.The list of moving parts is long, and one part that has until now remained unmeasured is the degree to which deforestation in tropical rainforests like the Amazon and the Congo contributes to additional forest losses because of its effect on regional climate."We used Earth system models to quantify what the climate impact from tropical deforestation is today," said lead author Yue Li, UCI postdoctoral researcher in Earth system science."Then, we used this information with satellite observations of forest biomass to figure out how nearby forests are responding to these changes," he added.Jim Randerson, UCI professor of Earth system science, added, "This paper shows that avoiding deforestation yields carbon benefits in nearby regions as a consequence of climate feedbacks."He explained that for a new patch of deforestation in the Amazon, the regional climate changes that happened, as a result, led to an additional 5.1 per cent more loss of total biomass in the entire Amazon basin. In the Congo, the additional biomass loss from the climate effects of deforestation is about 3.8 per cent.Tropical forests store about 200 petagrams of carbon in their aboveground biomass. Since 2010, deforestation has been removing about 1 petagram of that carbon every year. (One pentagram is equal to 1 trillion kilograms.)Until now, climate modellers have, for lack of data, not considered tree mortality in their climate simulations. But by combining satellite data with climate variables, they obtained information about how sensitive carbon stored in vegetation is to climatic changes that result from tree mortality and fire."Deforestation has ramifications to forests growing elsewhere because of its consequences to the region's air temperature and precipitation," said co-author Paulo Brando, UCI professor of Earth system science."Until recently, it was very difficult to isolate the effects of deforestation though," he added.By developing new estimates of regional carbon losses from deforestation-driven climate change in the Amazon and the Congo, the team provided information that will help scientists fine-tune their models. This "might help us design better climate solutions," Randerson said.By knowing exactly how much biomass is being lost through this activity, he explained, policymakers can make stronger arguments for why it's worthwhile to curb deforestation because they can now better describe the knock-on effects.( With inputs from ANI )Disclaimer: This post has been auto-published from an agency feed without any modifications to the text and has not been reviewed by an editor

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Technology :Scientists detail how deforestation drives climate change

According to a new study by scientists from the University of California, protecting tropical forests can yield climate benefits that enhance carbon storage in nearby areas. ...

Technology :Scientists reveal how deforestation drives climate change

A new study led by scientists from the University of California has revealed how protecting tropical forests can yield climate benefits that enhance carbon storage in nearby areas. ...