Noun:

போல்டர்,

polder தமிழ் அர்த்தத்தின் உதாரணம்:

None

polder's Usage Examples:

To increase the reservoir capacity of the polder, as well as to conduct the water to the windmills or engines, it is intersected by a network of ditches cut at right angles to each other, the amount of ditching required being usually one-twelfth of the area to be drained.

below the level of the polder, and in agricultural polders 21 to 31 ft.

But in North Holland and Utrecht on the contrary the polder water has generally to be raised.

Nearly all the polders of Zeeland and South Holland are able to discharge naturally into the sea at average low water, self-regulating sluices being used.

The summer water-level of the pasture polders south of the former Y is about 4 to 8 ft.

The final removal of polder water, however, is only truly effected upon its discharge into the " outer waters " of the country, that is, the sea itself or the large rivers freely communicating with it; and this happens with but a small proportion of Dutch polders, such as those of Zeeland, the Holland Ysel and the Noorderkwartier.

The costs were calculated as follows: (I) enclosing dike, sluices, and regulation of Zwolsche Diep, £1,760,000; (2) reclamation of four polders, £5,200,000; (3) defensive works, £400,000; (4) indemnity to fishermen, £180,000; total, £7,540,000.

Some polders also have a winter peil as a precaution against the increased fall of water in that season.

In time of drought the water in the canals and boezems is allowed to run back into the polders, and so serve a double purpose as water-reservoirs.

As late as the 12th and 13th centuries each of these islands consisted of several smaller islands, many of whose names are still preserved in the fertile polders which have taken their place.

in the Beschotel polder, and in reclaimed lands (droogmakerijen) may be still lower, thus in the Reeuwyk polder north of Gouda it is 214 ft.

These waters are utilized as the temporary reservoirs of the superfluous polder water, each system of reservoirs being termed a boezem (bosom or basin), and all lands watering into the same boezem being considered as belonging to it.

Synonyms:

soil, ground, land,

Antonyms:

unfasten, disconnect, leave, embark,