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230
THE ATMOSPHERE AND METEOROLOGY.
two aerial rivers flowing in opposite directions is found. At the summit
of the mountain the air is carried rapidly from south-west to north-east,
while on the low parts of the island the trade-wind always blows with its
habitual regularity.* The zone of clouds that it unrolls in an immense
veil above the sea and the shores does not extend into that part of the
heavens comprised between the two winds blowing different ways, but,
on the contrary, it is found at a tolerable depth in the trade-winds. Between the upper and lower currents the air is calm and free from clouds.
Pig. 104.—Island of Teneriffe.
During the summer season, travelers who climb the sides of the peak of
Teneriffe may confidently expect to find an unchanging sky directly after
having passed the zone of clouds, from 900 to 1200 feet in thickness, which
is spread like a second sea above the ocean.f At the change of the seasons, when the two opposing winds strive for victory on the slopes of the
mountain, a few days are sometimes sufficient to bring about a change of
3000 feet in the height of the intermediary zone. A battle between the
two currents takes place in the sky; soon the trade-wind mounts to the
upper slopes of the peak; now it is vanquished, chased from the heights
* Philosophical Transactions, 1859.
t See below, the section entitled Clouds and Rains.
| Title | The ocean, atmosphere, and life |
| Creator | Reclus, Elisée |
| Publisher | Harper |
| Place of Publication | New York |
| Date | 1873 |
| Language | eng |
| Type | Books/Pamphlets |
| Title | 00000255 |
| Type | Books/Pamphlets |
| Transcript | 230 THE ATMOSPHERE AND METEOROLOGY. two aerial rivers flowing in opposite directions is found. At the summit of the mountain the air is carried rapidly from south-west to north-east, while on the low parts of the island the trade-wind always blows with its habitual regularity.* The zone of clouds that it unrolls in an immense veil above the sea and the shores does not extend into that part of the heavens comprised between the two winds blowing different ways, but, on the contrary, it is found at a tolerable depth in the trade-winds. Between the upper and lower currents the air is calm and free from clouds. Pig. 104.—Island of Teneriffe. During the summer season, travelers who climb the sides of the peak of Teneriffe may confidently expect to find an unchanging sky directly after having passed the zone of clouds, from 900 to 1200 feet in thickness, which is spread like a second sea above the ocean.f At the change of the seasons, when the two opposing winds strive for victory on the slopes of the mountain, a few days are sometimes sufficient to bring about a change of 3000 feet in the height of the intermediary zone. A battle between the two currents takes place in the sky; soon the trade-wind mounts to the upper slopes of the peak; now it is vanquished, chased from the heights * Philosophical Transactions, 1859. t See below, the section entitled Clouds and Rains. |
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