Introduction
Definition and extent
The role of the cryosphere in the climate system
The organization of snow and ice observations and research
Remote sensing of the cryosphere
The terrestrial cryosphere
Snowfall and snow cover
History
Snow formation
Snow cover
Snow cover modeling in land surface schemes of GCMs
Snow interception by the canopy
Sublimation of snow
Snow metamorphism
In situ measurements of snow
Remote sensing of snowpack properties, snow cover area (SCA), and snow water equivalent (SWE)
Snowmelt modelling
Recent observed changes in snowpack and snow cover
Avalanches
History
Avalanche characteristics
Avalanche models
Trends in avalanche conditions
Glaciers and ice caps
History
Definitions
Glacier characteristics
Mass balance
Remote sensing
Glacier flow and flowlines
Scaling
Glacier modeling
Ice caps
Glacier hydrology
Changes in glaciers and ice caps
Ice sheets
History of exploration
Mass balance
Remote sensing
Mechanisms of ice sheet changes
The Greenland ice sheet
Antarctica
Overall ice sheet changes
Ice sheet models
Ice sheet and ice shelf interaction
Ice sheet contributions to sea level changes
Frozen ground and permafrost
History
Frozen ground definitions and extent
Thermal relationships
Vertical characteristics of permafrost
Remote sensing
Ground ice
Permafrost models
Geomorphological features associated with permafrost
Changes in permafrost and soil freezing
Arctic Infrastructure
Freshwater ice: lakes, rivers and icings
History
Lake ice
Trends in lake ice cover
River ice
Ice jam floods
Trends in river ice cover
Icings
The Marine Cryosphere
Sea ice
History
Sea ice Climatology and characteristics
Ice drift and ocean circulation
Sea ice models
Leads, polynyas and pressure ridges
Ice thickness
Trends in sea ice extent and concentration from paleo and NSIDC data
Ice shelves and icebergs
History
Ice shelves
Ice streams
Conditions beneath ice shelves
Ice shelf buttressing
Icebergs
Ice islands
The Cryosphere Past and Future
The cryosphere in the past
Introduction
Snowball Earth and ice-free Cretaceous
Phanerozoic glaciations
Late Cenozoic polar glaciations
The Quaternary
The Holocene
The future cryosphere: impacts of global warming
Introduction
General observations
Recent warming and cryospheric changes
Climate projections
Projected changes to Northern Hemisphere snow cover
Projected changes in land ice
Projected permafrost changes
Projected changes in freshwater ice
Projected sea ice changes
Projected glacier changes
Applications
Applications of snow and ice research
Snowfall
Freezing precipitation
Avalanches
Ice avalanches
Winter sports industry
Water resources
Hydropower
Snow melt floods
Freshwater ice
Ice roads
Sea ice
Glaciers and ice sheets
Icebergs
Permafrost and ground ice
Seasonal ground freezing