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Age of Exploration

How these connect

The Atlantic wind and current system and what it relates to. Every line is an evidence-backed relation, and the arrangement is fixed — this address draws this picture, today and next year.

depends_on — The homeward passage from the Caribbean uses the same principle — stand north out of the trade belt to find a following wind — that Portuguese navigators had developed on the African coast.governs — The outbound leg runs on the north-east trades and the return climbs north into the westerlies, so the shape of the crossing is set by the wind belts rather than by distance.constrained_by — The eastbound galleon had to reach the mid-latitude westerlies before it could run for America, which fixed both the track and the length of the passage.constrained_by — The technique exists only because the trades make a direct coastal return northwards impracticable for a sailing vessel.The Atlantic wind and current systemThe Atlantic wind and cur…The Atlantic crossing (Carrera de Indias)The Atlantic crossing (Ca…The Manila galleon (Nao de China)The Manila galleon (Nao d…Volta do mar (the return by sea)Volta do mar (the return …
4 drawn · 8 reachable and not drawn · positions derived from object ids, never from a simulation
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Every relation drawn, in words4
  1. The Atlantic crossing (Carrera de Indias) · depends_on · Volta do mar (the return by sea)

    The homeward passage from the Caribbean uses the same principle — stand north out of the trade belt to find a following wind — that Portuguese navigators had developed on the African coast.

  2. The Atlantic wind and current system · governs · The Atlantic crossing (Carrera de Indias)

    The outbound leg runs on the north-east trades and the return climbs north into the westerlies, so the shape of the crossing is set by the wind belts rather than by distance.

  3. The Manila galleon (Nao de China) · constrained_by · The Atlantic wind and current system

    The eastbound galleon had to reach the mid-latitude westerlies before it could run for America, which fixed both the track and the length of the passage.

  4. Volta do mar (the return by sea) · constrained_by · The Atlantic wind and current system

    The technique exists only because the trades make a direct coastal return northwards impracticable for a sailing vessel.