groundwater reservoirs
71Porosity — or void fraction is a measure of the void (i.e., empty ) spaces in a material, and is a fraction of the volume of voids over the total volume, between 0–1, or as a percentage between 0–100%. The term is used in multiple fields including… …
72Biosphäre — Die Biosphäre reicht hinauf bis in den unteren Rand der Mesosphäre. Die Biosphäre [bioˈsfɛːrə] (von griechisch βίος bíos ‚Leben‘ und σφαίρα sfaira ‚Kugel‘) bezeichnet den Raum mit Leben eines Himmelskörpers. Es ist derjenige Raum, in dem Leben… …
73Asia — /ay zheuh, ay sheuh/, n. a continent bounded by Europe and the Arctic, Pacific, and Indian oceans. 2,896,700,000; ab. 16,000,000 sq. mi. (41,440,000 sq. km). * * * I Largest continent on Earth. It is bounded by the Arctic Ocean, the Pacific Ocean …
74Pollution in China — Beijing air on a day after rain (left) and a sunny but Smoggy day (right) Pollution is causing serious problems in China. Contents 1 …
75Earth exploration — Introduction the investigation of the surface of the Earth and of its interior. By the beginning of the 20th century most of the Earth s surface had been explored, at least superficially, except for the Arctic and Antarctic regions. Today the… …
76Environmental impact of the oil shale industry — Kiviõli Oil Shale Processing Chemicals Plant in Ida Virumaa, Estonia Environmental impact of the oil shale industry includes the consideration of issues such as land use, waste management, and water and air pollution caused by the extraction and… …
77Gaz de couche — Le « gaz de couche » parfois dit « gaz de houille  » (expression qui a aussi un autre sens pour les francophones) ou gaz de charbon, est un gaz, principalement constitué de méthane, qui est piégé (adsorbé) au cœur de la matrice… …
78ENVIRONMENTAL SCIENCES — „ The Holy Blessed One took the first human, and passing before all the „ trees of the Garden of Eden, said, See my works, how fine and „ excellent they are! All that I created, I created for you. Reflect on „ this, and do not corrupt or desolate …
79Coalbed methane — (CBM) or Coal Bed Methane[1], coalbed gas or coal mine methane (CMM) is a form of natural gas extracted from coal beds. In recent decades it has become an important source of energy in United States, Canada, and other countries. Australia has… …
80Tajchy — (singular: tajch) are artificial water reservoirs in the Štiavnica Mountains, in central Slovakia. Most of them were built in order to provide energy for the silver mines of Banská Štiavnica in the 18th century. At their height, tajchy comprised… …
