maximum still-water level
11Maximum sustainable yield — In population ecology and economics, maximum sustainable yield or MSY is, theoretically, the largest yield (or catch) that can be taken from a species stock over an indefinite period. Fundamental to the notion of sustainable harvest, the concept… …
12Water resources management in Peru — Source : INRENAtorage capacity and infrastructureIn 1980, INRENA established an inventory of Peru s water storage capacity, including lakes and dams. Peru has 12,201 lakes, 3,896 of which are located in the Pacific basin, 7,441 in the Atlantic… …
13Maximum sustained wind — Saffir–Simpson Hurricane Scale Category Wind speed Storm surge mph (km/h) (kn) ft (m) Five ≥ 156 (≥ 250) (≥ 136) > 18 (> 5.5) Four 131–155 (210–249) (114–135) 13–18 (4 …
14Water fluoridation controversy — The water fluoridation controversy arises from moral, ethical, and safety concerns regarding the fluoridation of public water supplies. The controversy occurs mainly in English speaking countries, as Continental Europe does not practice water… …
15Water rocket — A water rocket is a type of model rocket using water as its reaction mass. The pressure vessel mdash;the engine of the rocket mdash;is usually a used plastic soft drink bottle. The water is forced out by a pressurized gas, typically compressed… …
16Lock (water transport) — Canal lock and lock keeper s cottage on the Aylesbury Arm of the Grand Union Canal at Marsworth in Hertfordshire, England …
17Properties of water — H2O and HOH redirect here. For other uses, see H2O (disambiguation) and HOH (disambiguation). This article is about the physical and chemical properties of pure water. For general discussion and its distribution and importance in life, see Water …
18inland water ecosystem — ▪ biology Introduction complex of living organisms in free water on continental landmasses. Inland waters represent parts of the biosphere within which marked biological diversity, complex biogeochemical pathways, and an array of… …
19Paleocene–Eocene Thermal Maximum — The Paleocene/Eocene boundary, Ma|eocene, was marked by the most rapid and significant climatic disturbance of the Cenozoic Era. A sudden global warming event, leading to the Paleocene Eocene Thermal Maximum (PETM, alternatively nowrap| Eocene… …
20Clean Water Act — For Clean Water Act of Ontario, Canada, see Clean Water Act (Ontario). Clean Water Act Full title Federal Water Pollution Control Amendments of 1972 Acronym CWA / Clean Water Act Enacted by the 92nd United …
