Expedition on R/V Sikuliaq to study changing climate in arctic (Image 6)

Sediment cores collected from the sediment layers at the bottom of the ocean contain evidence of changing ocean biology and chemical processes. Miguel Goni (pictured), an oceanographer at Oregon State University, coordinated drilling activities onboard the R/V Sikuliaq during a Sept. 2016 ...This is an NSF Multimedia Gallery item.

Source: NSF Multimedia Gallery - January 23, 2018 Category: Science Source Type: video