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Most regulatory authorities in the United States that offer requirements for flood openings define two major classes of opening: [1] engineered, and non-engineered. The requirements for non-engineered openings are typically stricter, defining necessary characteristics for aspects ranging from overall size of each opening, to allowable screening or other coverage options, to number and ...
In Australia, the Bureau of Meteorology issues a flood watch that covers similar conditions to flood watches in the United States. However, they are known by slightly different names in some areas. In Europe, there is the European Flood Awareness System and the commercial product including app and data services FloodAlert. [3]
The 1540 drought in Europe was a climatic event in Europe. In various palaeoclimatic analyses the temperature and precipitation regimes were reconstructed and compared to present-day conditions. On the basis of historical records Wetter et al. (2014) [ 1 ] derived that during an eleven-month period there was little rain in Europe , possibly ...
The vents of the Redoutable are under the casing. The square openings in the casing are limber holes to facilitate draining the superstructure. In submarine technology a vent is a valve fitted to the top of a submarine's ballast tanks to let air escape from the top of the ballast tank and be replaced by water entering through the opening(s) called "flood ports" or "floods" at the bottom of the ...
Many early closed cars, such as the 1933 Pontiac Economy Eight had front and rear vent windows called "ventiplanes" and were installed on all GM products that year. It has hinges and a latch, so it can be opened for additional ventilation. 1933 was the first year all GM vehicles were installed with optional vent windows which were initially called "No Draft Individually Controlled Ventilation ...
The 1642 Yellow River flood or Kaifeng flood was a man-made disaster in October, 1642, that principally affected Kaifeng and Xuzhou. Kaifeng is located on the south bank of the Yellow River, prone to violent flooding throughout its history. During the early Ming dynasty, the town was the site of major floods in 1375, 1384, 1390, 1410, and 1416. [1]
The religious and economic strife of the period had deeper roots than traditionalists have suggested, and are in no way particular to this period. Furthermore, when this period is compared with other periods the scale of the problems faced seems limited. The cloth crisis of 1551/2, for example, was dwarfed by the agrarian crisis of 1596-8.
Re-narrated Horizon episode, first aired in the UK in 1972. [4]We give you a behind-the-scenes look at the making of a nature film. Oxford Scientific Films Unit shows how it tackles such problems as filming a wood wasp laying its eggs inside trees, the hatching of a chick and the courtship rituals of the stickleback.