Reboisement In France; Or, Records Of The Replanting Of The Alps [&c.] Or, Records Of The…

Paperback | January 30, 2012

byJohn Croumbie Brown

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This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1876. Excerpt: ... PART II. LITERATURE RELATIVE TO ALPINB TORRENTS, AND REMEDIAL MEASURES PROPOSED FOR ADOPTION TO PREVENT THE DISASTROUS CONSEQUENCES FOLLOWING FROM THEM. The subject treated so exhaustively by Surell has commanded the attention of many besides him. In 1797 was published an Essai sur la theorie des torrents et des rivieres, by M. Fabre, an engineer referred to by M. Surell, who hud made these his study. The following are translations of some of his propositions relative to them, and to appropriate remedies for them. "144. The destruction of the woods which cover our mountains is t/ie primary cause of the formation of torrents. "The reason is apparent. These woods, be they timber forests or be they high coppice, intercept by their foliage and by their branches a considerable portion of the water falling in rains and in thunderstorms. The remaining portion, which they could not retain, falls only drop by drop at intervals sufficiently long to let them have time to nitrate into the earth. On the other hand, the bed of vegetable earth, which goes on increasing annually, imbibes a considerable quantity of these waters. In fine, tufts of herbage and bush break and destroy at their origin the torrents which might have been formed notwithstanding all these obstructions. The woods being destroyed, the waters of a storm no longer meet with anything in their fall to intercept them. They cannot, by reason of their abundance, be absorbed by the ground as they fall. They flow over the surface, and meeting no more tufts which might have broken and divided their courses, they form torrents, as has been said. "145. The clearings on the mountains are the second cause of the formation of torrents. "We have showrn that a torrent will be formed with so much the more facility in...

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This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1876. Excerpt: ... PART II. LITERATURE RELATIVE TO ALPINB TORRENTS, AND REMEDIAL MEASURES PROPOSED FOR ADOPTION TO PREVENT THE DISASTROUS CONSEQU...

Format:PaperbackDimensions:204 pages, 9.69 × 7.44 × 0.43 inPublished:January 30, 2012Publisher:General Books LLCLanguage:English

The following ISBNs are associated with this title:

ISBN - 10:0217747965

ISBN - 13:9780217747967

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