| New Hampshire. Department of Agriculture - 1889 - 420 páginas
...trees], de-forestation often induces a formation of marshes, etc. His third proposition is this, viz. : In consequence of de-forestation, evaporation from...resulting in an unfavorable influence on soil humidity, etc. Does this third proposition contradict the second, or may it in certain cases? I am like the poor... | |
| New Hampshire. Department of Agriculture - 1889 - 418 páginas
...trees], de-forestation often induces a formation of marshes, etc. His third proposition is this, viz. : In consequence of de-forestation, evaporation from...resulting in an unfavorable influence on soil humidity, etc. Does this third proposition contradict the second, or may it in certain cases? I am like the poor... | |
| 1893 - 208 páginas
...the forest climate to the neighboring field. INFLUENCE OF FORESTS UPON WATER AND SOIL CONDITIONS. (1) In consequence of deforestation evaporation from the soil is augmented and accelerated, resulting in unfavorable conditions of soil humidity and affecting unfavorably the size and continuity of springs.... | |
| 1893 - 214 páginas
...the forest climate to the neighboring field. INFLUENCE OF FORESTS UPON WATER AND SOIL CONDITIONS. (1) In consequence of deforestation evaporation from the soil is augmented and accelerated, resulting in unfavorable conditions of soil humidity and affecting unfavorably the size aiid continuity of springs.... | |
| Pennsylvania. Department of Forests and Waters - 1898 - 346 páginas
...throughout the year will be disturbed; the amount, however, which reaches the soil is largely increased. B. — Effects of Deforestation on Water Supply. "1....This circumstance, in conjunction with the augmented evapora•Equlvalent to 2.2 inches, or 6.6 Inches of rainfall respectively. — JB tion from the superficial... | |
| Pennsylvania. Department of Agriculture - 1898 - 350 páginas
...throughout the year will be disturbed; the amount, however, which reaches the soil is largely increased. B. — Effects of Deforestation on Water Supply. "1....This circumstance, in conjunction with the augmented evapora•Equlval«nt to 2.Z inches, or «.« inches of rainfall respectively.— J. B tion from the... | |
| 1902 - 208 páginas
...the forest climate to the neighboring Held. INFLUENCE OF FORESTS UPON WATER AND SOIL CONDITIONS. (1) In consequence of deforestation evaporation from the soil is augmented and accelerated, resulting in unfavorable conditions of soil humidity and affecting unfavorably the size and continuity of springs.... | |
| 1902 - 828 páginas
...neighboring tield. 20 FOREST INFLUENCES. INFLUENCE Ob1 FORESTS UPON WATER AND SOIL CONDITIONS. (1) In consequence of deforestation evaporation from the soil is augmented and accelerated, resulting in unfavorable conditions of soil humidity and affecting unfavorably the size and continuity of springs.... | |
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