微波 観測 は,木星 の 大気 の 渦 の 深い 範囲 と 構造 を 明らかに し て い ます
S J Bolton1, S M Levin2, T Guillot3
1Southwest Research Institute, San Antonio, TX, USA.
まとめ
木星
科学分野:
- 惑星科学
- 大気科学
- 流体力学
背景:
- 木星の大気には 突出的なゾーンや ベルトや 渦のようなものがあります
- これらの大気構造の垂直構造と深さは ほとんど不明です
- 現存する理論では 渦は 浅い気象現象か 深いコンベクション現象であると考えられています
研究 の 目的:
- 木星の3次元構造を調査する
- 目に見える雲の甲板の下にある木星の渦の深さと特徴を決定する.
- 木星の大気動態のモデルを 制限するためです
主な方法:
- ジュノ宇宙船のマイクロ波放射計から観測したものです
- 微波データを分析して 様々な深さで大気の性質を調べた
- 大気渦の構造と範囲に焦点を当てた
主要な成果:
- 渦の根は水凝縮レベルよりも深く広がることが観察されました.
- 木星の大気圏内の密度逆転層を特定した.
- 木星の渦の深層構造の 経験的証拠を提供した
結論:
- 木星の渦には 深い根があり 雲の頂上より 大きく下がっています
- この発見は 渦が 完全に浅い構造であるという説に 異議を唱えるものです
- 木星の大気動態の垂直範囲を制限する.
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