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関連する概念動画

The Soil Ecosystem02:23

The Soil Ecosystem

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Plants obtain inorganic minerals and water from the soil, which acts as a natural medium for land plants. The composition and quality of soil depend not only on the chemical constituents but also on the presence of living organisms. In general, soils contain three major components:
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What is Climate?01:16

What is Climate?

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Influence of Earth's Curvature and Atmospheric Refraction on Leveling01:26

Influence of Earth's Curvature and Atmospheric Refraction on Leveling

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During leveling, the Earth's curvature and atmospheric refraction introduce deviations in the line of sight from a true horizontal reference. When the line of sight is leveled, it remains perpendicular to the plumb line only at a single point. Beyond this, it deviates due to the Earth’s curvature, represented by the correction C. For a sight distance D, the deviation can be derived using the relationship:This relationship shows that the deviation increases quadratically with distance.
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The Carbon Cycle01:14

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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.
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The Principle of Superposition and the Gravitational Field01:17

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The principle of superposition applies to gravitational forces of objects that are sufficiently far apart. It states that the net gravitational force on a point object is the vector sum of the gravitational forces on it due to various objects. The principle helps calculate the force by listing the individual forces and then vectorially summing them up. However, it should be noted that the principle of superposition is not always apparent. In the presence of a second force, the first force could...
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The Earth's shape is best described as an ellipsoid, a slightly flattened sphere created by rotating an ellipse around its minor axis. This flattening results in the polar axis being about 21 kilometers shorter than the equatorial axis. In contrast, the geoid represents the Earth's gravitational shape and aligns with the mean sea level (MSL). The geoid is an irregular equipotential surface where gravity is perpendicular at every point. Variations in Earth's mass distribution cause geoid...
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Updated: May 23, 2025

Exploring the Effects of Atmospheric Forcings on Evaporation: Experimental Integration of the Atmospheric Boundary Layer and Shallow Subsurface
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地球システムの基礎モデル

Cristian Bodnar1,2, Wessel P Bruinsma1, Ana Lucic1,3

  • 1Microsoft Research, AI for Science, Amsterdam, The Netherlands.

Nature
|May 21, 2025
PubMed
まとめ
この要約は機械生成です。

新しい人工知能 (AI) 基盤モデル"オーロラ"は,天気と気候に関するより迅速で正確な地球システムの予測を提供します. このAIアプローチは 重要な環境予測データへのアクセスを民主化します

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関連する実験動画

Last Updated: May 23, 2025

Exploring the Effects of Atmospheric Forcings on Evaporation: Experimental Integration of the Atmospheric Boundary Layer and Shallow Subsurface
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Simulation of the Planetary Interior Differentiation Processes in the Laboratory
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科学分野:

  • 地球システム科学
  • 人工知能
  • 地質学的データ分析

背景:

  • 地球システムの予測は 自然災害の緩和と人類の進歩に不可欠です
  • 伝統的な数値モデルは計算的に高価で,その広範な適用を制限しています.
  • 人工知能 (AI) は,地球科学における予測性能と効率の向上の可能性を示しています.

研究 の 目的:

  • 地球システムの予測のための大規模な基礎モデルであるオーロラを紹介します
  • 予測の精度を改善し,計算コストを削減するAIの能力を実証する.
  • 環境予測ツールへのアクセスを民主化する可能性を強調する.

主な方法:

  • オーロラを100万時間以上の 地質学的データで訓練した
  • オーロラの性能を 地球システムの様々な領域の 運行予測と比較した
  • モデルの計算効率と微調整能力を評価した.

主要な成果:

  • オーロラは空気の質,海波,熱帯サイクロンの軌跡,そして高解像度の天気予報を上回ります.
  • 計算コストを大幅に削減して 優れた予測を実現しました
  • オーロラの適応性を証明した

結論:

  • オーロラは人工知能による 地球システムの予測における 重要な進歩を表しています
  • このモデルは,従来の予測方法に対して,計算上効率的で正確な代替手段を提供します.
  • オーロラは高品質の気候や天気情報へのアクセスを拡大する可能性を秘めています