Sentences with phrase «assess ice cover»

It is very difficult to assess ice cover or ice thickness changes over a longer period, before 1978.

Not exact matches

The IPCC has issued comprehensive assessments in 1990, 1996, 2001, 2007 and 2013, methodology reports, technical papers, and periodic special reports assessing specific impacts of climate change (the latest ones in the works: oceans and ice cover, land degradation, impacts of 1.5 °C warming).

Barber and colleagues report about the masking of different signatures of old ice (first - year ice and multiyear ice that survived summer melt) in the Beaufort Sea with potential implications for assessing the extent and state of the ice cover.

This report discusses our current understanding of the mechanisms that link declines in Arctic sea ice cover, loss of high - latitude snow cover, changes in Arctic - region energy fluxes, atmospheric circulation patterns, and the occurrence of extreme weather events; possible implications of more severe loss of summer Arctic sea ice upon weather patterns at lower latitudes; major gaps in our understanding, and observational and / or modeling efforts that are needed to fill those gaps; and current opportunities and limitations for using Arctic sea ice predictions to assess the risk of temperature / precipitation anomalies and extreme weather events over northern continents.

Among numerous expeditions by icebreakers and other research vessels to the northern Bering Sea and Strait, the Chukchi Sea, and other Arctic regions [272] is the Western Arctic Shelf - Basin Interactions Project in 2002 - 2008, which assessed the effects of variability in sea ice cover and hydrography on the marine ecosystem and the impacts of climate change.