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関連する概念動画

Global Climate Change01:50

Global Climate Change

Throughout its ~4.5 billion year history, the Earth has experienced periods of warming and cooling. However, the current drastic increase in global temperatures is well outside of the Earth’s cyclic norms, and evidence for human-caused global climate change is compelling. Paleoclimatology, the study of ancient climate conditions, provides ample evidence for human-caused global climate change by comparing recent conditions with those in the past.
The Carbon Cycle01:14

The Carbon Cycle

Carbon is the basis of all organic matter on Earth, and is recycled through the ecosystem in two primary processes: one in which carbon is exchanged among living organisms, and one in which carbon is cycled over long periods of time through fossilized organic remains, weathering of rocks, and volcanic activity. Human activities, including increased agricultural practices and the burning of fossil fuels, has greatly affected the balance of the natural carbon cycle.
What is Climate?01:16

What is Climate?

Climate refers to the prevailing weather conditions in a specific area over an extended period. As the saying goes, “Climate is what you expect. Weather is what you get.” Climate is influenced by geographic factors, such as latitude, terrain, and proximity to bodies of water.
Microbes and Climate Change01:27

Microbes and Climate Change

Microorganisms are pivotal agents in Earth's biogeochemical cycles, significantly influencing climate dynamics through their metabolic activities. These microbes modulate the levels of key greenhouse gases by both contributing to and helping mitigate climate change.Microbial Contributions to Greenhouse Gas EmissionsRising global temperatures accelerate microbial metabolism, which, in turn, speeds up the decomposition of organic matter. This process releases carbon dioxide (CO₂) through...
What is Weather?01:07

What is Weather?

Overview
Threats to Biodiversity01:50

Threats to Biodiversity

There have been five major extinction events throughout geological history, resulting in the elimination of biodiversity, followed by a rebound of species that adapted to the new conditions. In the current geological epoch, the Holocene, there is a sixth extinction event in progress. This mass extinction has been attributed to human activities and is thus provisionally called the Anthropocene. In 2019 the human population reached 7.7 billion people and is projected to comprise 10 billion by...

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関連する実験動画

Updated: May 8, 2026

Simulating Temperature in a Soil Incubation Experiment
08:39

Simulating Temperature in a Soil Incubation Experiment

Published on: October 28, 2022

極端な気候と炭素循環について

Markus Reichstein1, Michael Bahn, Philippe Ciais

  • 1Max Planck Institute for Biogeochemistry, 07745 Jena, Germany. markus.reichstein@bgc-jena.mpg.de

Nature
|August 20, 2013
PubMed
まとめ

干ばつなどの極端な気候は,生態系の炭素貯蔵量を減少させ,地上の炭素吸収の増加を相殺する可能性があります. この研究では,これらの影響が世界の炭素循環に及ぼす影響を調査しています.

さらに関連する動画

Monitoring Pedogenic Inorganic Carbon Accumulation Due to Weathering of Amended Silicate Minerals in Agricultural Soils.
07:32

Monitoring Pedogenic Inorganic Carbon Accumulation Due to Weathering of Amended Silicate Minerals in Agricultural Soils.

Published on: June 4, 2021

関連する実験動画

Last Updated: May 8, 2026

Simulating Temperature in a Soil Incubation Experiment
08:39

Simulating Temperature in a Soil Incubation Experiment

Published on: October 28, 2022

Monitoring Pedogenic Inorganic Carbon Accumulation Due to Weathering of Amended Silicate Minerals in Agricultural Soils.
07:32

Monitoring Pedogenic Inorganic Carbon Accumulation Due to Weathering of Amended Silicate Minerals in Agricultural Soils.

Published on: June 4, 2021

科学分野:

  • 地球システム科学 地球システム科学
  • エコロジー エコロジー エコロジー
  • 気候科学 気候科学

背景:

  • 地球上の生物圏は,地球規模の炭素循環において重要な役割を果たしています.
  • 環境の変化は,地球上の陸上の炭素吸収を増加させると予測されています.
  • 極端な気候は,地域生態系の炭素貯蔵に悪影響を及ぼす可能性があります.

研究 の 目的:

  • 地球上の炭素循環に及ぼす極端な気候のメカニズムと影響を調査する.
  • 地球上の炭素予算に及ぼす気候の極端な影響の理解を向上させるための方法を提案する.
  • 気候変動の極端が世界の炭素バランスに及ぼす将来の影響を評価する.

主な方法:

  • 極端な気候と地球上の炭素循環に関する既存の文献のレビュー.
  • 生態系の反応に関連する観測データと気候モデルの分析.
  • 極端な出来事中の炭素貯蔵量の変化を駆動するメカニズムの合成.

主要な成果:

  • 干ばつや嵐などの極端な気候は,地域生態系の炭素貯蔵量の大幅な減少を引き起こす可能性があります.
  • これらの減少は,地球上の陸上の炭素吸収の予想される増加を相殺する可能性がある.
  • 陸上の炭素予算は,極端な気候の頻度と強さに非常に敏感です.

結論:

  • 極端な気候の影響を理解することは,正確な気候変動予測に不可欠です.
  • 変化する気候条件下での地上の炭素循環のモデルと予測を洗練するためにさらなる研究が必要である.
  • 緩和・適応戦略では,極端な気候が天然の炭素吸収槽に及ぼす破壊的な影響を考慮する必要があります.