Excerpt from Dacca The district is much subject to fluvial action both from the two great rivers which bound it on the east and west and from the various distributaries which intersect it. All these rivers are heavily charged with silt and sand and the fall is sufficiently Slight to admit of their having a depositing rather than an ex cavating tendency. As long as the current is fairly swift this silt is carried on towards the sea, but it is rapidly deposited in the slack water on the banks where it is caught by high ...
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Excerpt from Dacca The district is much subject to fluvial action both from the two great rivers which bound it on the east and west and from the various distributaries which intersect it. All these rivers are heavily charged with silt and sand and the fall is sufficiently Slight to admit of their having a depositing rather than an ex cavating tendency. As long as the current is fairly swift this silt is carried on towards the sea, but it is rapidly deposited in the slack water on the banks where it is caught by high grass or other vegetable growth. When the banks have been raised above flood level the silt is deposited in the river-bed which thus gra dually rises above the level of the surrounding country and when once the bank gives way the river falls into the lower land lying at the back and shifts its course. In addition to these pronounced changes of course, the standard instance of which is the shifting of the Brahmaputra, the great rivers are continually eating away one bank and making deposits of silt upon the other, while islands, some of considerable size, rise from their beds, sometimes to disappear as quickly as they came. The surface of the coun try in the neighbourhood of the great rivers is thus subject to continual change and instances are known Of a spot of land being twice washed away and twice reformed within twenty years. The rivers are subject to tidal action, and it was found that a float thrown into the Buri Ganga Opposite Dacca in the dry season was carried nearly five miles up-stream. This is a factor which has to be taken into serious consideration when formulat ing any sewage system of drainage for Dacca city. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at ... This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.
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