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1 Markets I: The Ecosystem and Exchange-Traded Markets市场在线 2 Markets II: Rates, FX and Credit市场在线 3 Markets III: Commodities, Energy and Crypto市场在线 4 Quantitative Methods方法在线 5 Derivatives and Volatility衍生品在线 6 Rates, Credit, XVA and Risk利率、信用与风险在线 7 Research Craft: Predictors, Backtests, Measurement, Portfolios研究在线 8 Strategies I: Equities and Futures策略在线 9 Strategies II: Volatility, Relative Value, Macro and the Bank Desks策略在线 10 Microstructure and Execution交易执行在线 11 Market Making and High-Frequency Trading做市在线 12 Machine Learning for Markets机器学习在线 13 Low-Latency Software技术在线 14 Networks, Hardware and Trading Infrastructure技术在线 15 Research, Data and Risk Platforms技术在线 16 The Desk and the Firm公司运营在线 17 The Industry: Firms, Roles and Careers职业发展在线 18 Interviews I: Maths, Probability and Speed职业发展在线 19 Interviews II: Markets, Trading Games and the Final Round职业发展在线 20 Interviews III: Code职业发展在线

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Earth and Space Sciences · 术语表

什么是 Trade winds, westerlies？

又称： trade winds · westerlies

Definition 28.13 University Earth and Space Sciences — Year 1 · 第 28 章 — The General Circulation of the Atmosphere

The trade winds are the persistent surface winds that blow from the subtropical highs towards the equatorial low, turned by the Coriolis force into north-easterlies in the Northern Hemisphere and south-easterlies in the Southern. The westerlies are the prevailing winds from the west of the mid-latitudes, between about $35{}^{\circ}$ and $60{}^{\circ}$ . Poleward of them blow the polar easterlies.

Left: the surface winds of the three-cell circulation, turned to the right of their motion in the Northern Hemisphere and to the left in the Southern, between the pressure belts. Right: the three cells of the Northern Hemisphere on a meridional section (height not to scale); the Southern Hemisphere is the mirror image. The trade winds are the return branch of the Hadley cell, the westerlies the surface branch of the Ferrel cell.

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