Drivers of change: climate and ocean These pages provide information on some key drivers of change in global ice sheets and glaciers. See also: Southern Westerly Winds Circumpolar Deep Water Related Articles Climate change and future glacial resources Changes to Circumpolar Deep Water Choosing the future of Antarctica Antarctica’s contribution to global sea level rise Why are glaciers important? Glaciers and Climate Antarctic Ice Cores Holocene climate and ice-shelf history on James Ross Island IPCC First Order Draft Ice core basics Patagonian Ice Sheet thinning during a changing climate Greenland Melting