2008-09: Faculty Salaries in Graduate Departments of Psychology.and Canadian Graduate Departments of Psychology 2009-10: Faculty Salaries in Graduate Departments of Psychology.2010: Race/Ethnicity of Doctorate Recipients in Psychology in the Past 10 Years.2010-11: Faculty Salaries in Graduate Departments of Psychology.2012-13: Faculty Salaries in Graduate Departments of Psychology. 2004-2013: Findings from the Integrated Postsecondary Education Data System.2013-14: Faculty Salaries in Graduate Departments of Psychology.2014 Online Job Advertisements for Licensed Psychologists.Licensed Psychologists and Health Indicators 2015 APA Survey of Psychology Health Service Providers.Career Stages of Health Service Psychologists.2008-2017: Findings from the Integrated Postsecondary Education Data System.Center for Workforce Studies Center for Workforce Studies The study is published in Nature Climate Change. The machine learning technique now offers a global picture that could help experts trying to synthesise huge numbers of studies, Callaghan said, although he added that "it can never replace human analysis". "In the first UN climate assessment report a team of authors could simply read all of climate science," he said. "But we won't have many studies documenting the impacts of those trends, he said, calling it a "blind spot in our knowledge of climate impacts".Ĭlimate-related research has grown exponentially in recent decades.īetween 19 "we have about 1,500 studies in total," Callaghan said, "Whereas in the five years or so since the last (UN) assessment report we have between 75,000 and 85,000 studies-a phenomenal increase."Ĭallaghan said the sheer volume of research has made it impossible to individually identify all the studies that reliably link observed impacts to manmade climate change. They found 80 percent of the globe-home to 85 percent of the world's population, had generated impact studies that matched predictions for temperature and precipitation changes due to global warming.Ĭrucially, he said, research has disproportionately documented climate impacts in richer nations, with fewer studies in highly-vulnerable regions.įor example he said that trends in temperatures and rainfall in Africa could be linked to climate change. Then, he said, they checked if this kind of heating matched expectations from climate models. Using location data from the studies, they divided the globe into a grid and mapped where documented climate impacts matched climate-driven trends in temperature and precipitation.įor each grid cell they asked "is it getting hotter or colder or wetter or dryer outside of the bounds of natural variability?" said Callaghan. The studies only rarely established a direct link to global warming-so Callaghan and teams from the Mercator Research Institute and Climate Analytics, both in Berlin, took on the task themselves. The researchers taught a computer to identify climate-relevant studies, generating a list of papers on topics from disrupted butterfly migration to heat-related human deaths to forestry cover changes. He added there was a "huge amount of evidence" showing the ways in which these impacts are being felt. "We have overwhelming evidence that climate change is affecting all continents, all systems," study author Max Callaghan told AFP in an interview. A team of researchers used machine learning to comb through vast troves of research published between 19 and found some 100,000 papers that potentially documented evidence of climate change's effects on the Earth's systems.
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