Ice sheets matter for the global carbon cycle

被引：142

作者：

Wadham, J. L. ^{[1
]}

Hawkings, J. R. ^{[2
,3
,4
]}

Tarasov, L. ^{[5
]}

Gregoire, L. J. ^{[6
]}

Spencer, R. G. M. ^{[2
,3
]}

Gutjahr, M. ^{[7
]}

Ridgwell, A. ^{[8
]}

Kohfeld, K. E. ^{[9
]}

机构：

[1] Univ Bristol, Bristol BS8 1TH, Avon, England

[2] Florida State Univ, Natl High Magnet Field Lab, Tallahassee, FL 32306 USA

[3] Florida State Univ, Earth Ocean & Atmospher Sci, Tallahassee, FL 32306 USA

[4] German Res Ctr Geosci GFZ, D-14473 Potsdam, Germany

[5] Mem Univ, St John, NB A1B 3X9, Canada

[6] Univ Leeds, Leeds LS6 1AN, W Yorkshire, England

[7] GEOMAR, D-24148 Kiel, Germany

[8] Univ Calif Riverside, Riverside, CA 94720 USA

[9] Simon Fraser Univ, Burnaby, BC, Canada

来源：

NATURE COMMUNICATIONS | 2019年 / 10卷 / 1期

基金：

欧盟地平线“2020”;

关键词：

DISSOLVED ORGANIC-MATTER; SOUTHERN-OCEAN; PHYTOPLANKTON BLOOMS; SPATIAL-DISTRIBUTION; MARINE PRODUCTIVITY; IRON FERTILIZATION; GLACIAL MELTWATER; EROSION BENEATH; DUST DEPOSITION; RUSSELL GLACIER;

D O I：

10.1038/s41467-019-11394-4

中图分类号：

O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];

学科分类号：

07 ; 0710 ; 09 ;

摘要：

The cycling of carbon on Earth exerts a fundamental influence upon the greenhouse gas content of the atmosphere, and hence global climate over millennia. Until recently, ice sheets were viewed as inert components of this cycle and largely disregarded in global models. Research in the past decade has transformed this view, demonstrating the existence of uniquely adapted microbial communities, high rates of biogeochemical/physical weathering in ice sheets and storage and cycling of organic carbon (>10(4) Pg C) and nutrients. Here we assess the active role of ice sheets in the global carbon cycle and potential ramifications of enhanced melt and ice discharge in a warming world.

引用

页数：17

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