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Graphic Frozen Heat - A G... Hydrogen to carbon ratio of global primary energy, 1860- 2009

Hydrogen to carbon ratio of global primary energy, 1860- 2009

The ratio is expressed in fractional shares of hydrogen and carbon in average primary energy consumed.

Year: 2009

From collection: Frozen Heat - A Global Outlook on Methane Gas Hydrates

Cartographer: GRID-Arendal

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A gas hydrate prospect delineated on the Alaska North Slope

Annual temperature increase for 2001-2005 relative to 1951-1980

Arctic surface air-temperature change

Carbon mass in gas-hydrate-bound methane compared to other sources of organic carbon

Chemosynthetic habitats

East Siberian Arctic Shelf (ESAS)

Effect of arctic bottom-water warming on gas hydrate stability

Estimates of the methane held in hydrates worldwide

Evolution of a pingo-like feature (PLF)

Fate of buried organic matter

First order reservoir simulation modeling

Future change in bottom-water temperatures at the sea floor

Gas hydrade drilling and production problems

Gas hydrate landmark findings

Gas hydrate production methods

Gas hydrates resource potential by global regions

General schematic showing typical modes of gas hydrate occurrence relative to the geologic environment

Global primary energy consumption and global CO2 emission

Host sediment control of gas hydrate occurrence form

Methane consumption in the environment

Methane release from sediment

Methane-rich plumes in water column on the West Svalbard continental margin

Morphology of a tube worm hosting sulphide-oxidizing symbionts

Penetration of heat into marine sediments

Penetration of heat into permafrost-bearing sediment

Predicted increase in global mean surface-air temperatures

Primary sources of methane release

Resource pyramid for gas hydrates

Schematic of a submarine slide triggered by gas hydrate dissociation

Sedimentary layers and gas migration pathways

Selected gas hydrate study areas

Share in total primary energy

Stability conditions for gas hydrates

The carbon cycle

Well completion for gas hydrate production

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