Global Warming Began in Oceans 135 Years Ago, Suggests Study 0 Randall Gross ScienceApril 2012Tuesday, April 3, 2012 at 4:47 am PDT • Views: 1,221 csmonitor.com 1.1-degree Fahrenheit 100 Years Challenger Temperatures Modern-day Argo Project Ocean-temperature Profiles Pacific Oceans Global Warming New Research Sea-level Rise Sea-surface Temperature Data Salinity Salt Content