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| title | chunk | source | category | tags | date_saved | instance |
|---|---|---|---|---|---|---|
| American Expedition 1799–1804 | 12/17 | https://en.wikipedia.org/wiki/American_Expedition_1799–1804 | reference | science, encyclopedia | 2026-05-05T09:12:39.811011+00:00 | kb-cron |
On Christmas Eve, Humboldt and his party departed from Callao for Guayaquil, traveling slowly along the coast. During the voyage, Humboldt took regular oceanographic measurements of the cold current along the Peruvian coast. Although local fishermen had known of this current for centuries, Humboldt was the first to systematically study its properties. Over time, despite his protests, this current came to be widely known as the Humboldt Current, and it remains a principal geographical feature associated with his name. On February 15, 1803, Humboldt sailed from Guayaquil to Mexico. Even two hundred miles offshore, he heard the eruption of Cotopaxi. After thirty-three days at sea, the ship approached Acapulco. Humboldt discovered that standard charts had mislocated the port, a significant error given Acapulco’s importance as a hub for Spanish Pacific trade. On March 22, 1803, the ship anchored, and Humboldt began immediate astronomical observations to determine the port’s precise location. He confirmed that Acapulco was situated up to five miles west of its position on existing maps, prompting necessary revisions to the cartography of New Spain.
Acapulco, with its natural harbor, had been settled by indigenous peoples for thousands of years and later established as a port by Hernán Cortés in 1523. By Humboldt’s visit, the city had diminished in significance, with a small population and little commercial activity. Upon arrival, Humboldt used his instruments to correct geographic errors caused by local currents and earthquakes, further improving navigation and mapping accuracy. Humboldt’s primary reason for coming to New Spain was to secure passage to the Philippines, but he viewed Mexico as a vital subject for study. At the start of the nineteenth century, New Spain was a populous and prosperous colony, contributing significantly to Spain’s economy through silver, gold, and agricultural production. Humboldt, holding a royal passport, enjoyed unprecedented access to official records and facilities, enabling him to study the country’s economic and political structures thoroughly.