Download e-book for iPad: Acidic Pit Lakes: The Legacy of Coal and Metal Surface Mines by Walter Geller, Martin Schultze, Bob Kleinmann, Christian
By Walter Geller, Martin Schultze, Bob Kleinmann, Christian Wolkersdorfer
This monograph offers a global point of view on pit lakes in post-mining landscapes, together with the matter of geogenic acidification. a lot has been discovered over the past decade via examine and useful event on how one can mitigate or remediate the environmental difficulties of acidic pit lakes. within the first a part of the booklet, normal medical matters are awarded in 21 contributions from the fields of geo-environmental technological know-how, water chemistry, lake physics, lake modeling, and at the odd organic positive aspects that ensue within the severe habitats of acidic pit lakes. one other bankruptcy presents an outline of tools at present used to remediate acidic pit lakes and deal with outflowing acidic water. the second one a part of the publication is a set of nearby surveys of pit lake difficulties from 3 ecu nations and Australia, and case stories of assorted person consultant lakes. a last case examine presents an cutting edge method of assessing the commercial price of recent pit lakes and balancing the prices and merits, a important device for selection makers.
Read Online or Download Acidic Pit Lakes: The Legacy of Coal and Metal Surface Mines PDF
Best environmental studies books
On June 28 via July 1 of 2006, a NATO complex study Workshop used to be held in Kyiv, Ukraine. This workshop introduced the head researchers in Fuzzy GIS jointly, either from NATO nations in addition to associate nations. The workshop eager about how uncertainty and fuzziness will be larger modelled and carried out in Geographic details technological know-how to assist selection makers make extra knowledgeable offerings, particularly as they pertain to environmental defense and security.
From the plush forests of Appalachia to the frozen tundra of Alaska, and from the tallgrass prairies of the Midwest to the subtropical rainforests of Hawaii, the us harbors a awesome array of ecosystems. those ecosystems in flip maintain an excellent number of plant and animal existence. For species akin to salamanders and freshwater turtles, the us ranks because the international heart of range.
This significant publication for scientists and nonscientists alike calls recognition to a such a lot pressing international challenge: the swiftly accelerating lack of plant and animal species to expanding human inhabitants strain and the calls for of monetary improvement. in line with an immense convention backed by way of the nationwide Academy of Sciences and the Smithsonian establishment, "Biodiversity" creates a scientific framework for examining the matter and looking out for attainable options.
Fresh Solvents: substitute Media for Chemical Reactions and Processing makes a speciality of using fresh solvents for chemical strategies, with an emphasis on chemical reactions, in one finished quantity. earlier books at the topic have occupied with purposes of particular solvents.
- Perspectives in animal phylogeny and evolution
- Chemicals for Life and Living
- Environment, Modernization and Development in East Asia: Perspectives from Environmental History
- Water Pollution Control: A Guide to the Use of Water Quality Management Principles
- Practical Statistics for Environmental and Biological Scientists
Extra resources for Acidic Pit Lakes: The Legacy of Coal and Metal Surface Mines
This was verified when the previously acidic residual lake Niemegk was filled with river water to reduce acidity. While the introduced flooding water had neutralized the epilimnetic waters within a short time period during 2000, the deep waters retained their low pH until deep recirculation later during the year allowed for vertical exchange of dissolved substances, such as buffering chemicals, into the deeper water (Fig. 15, Boehrer et al. 2003). Gradients of pH are stable over longer time periods only where density gradients reduce vertical mixing.
The source of the salt in the river water was agricultural land use (McCullough et al. 2010), which is causing salinization of soil, groundwater, and river water in many regions of Australia. g. Jolly et al. (2001).
However, those investigations were done in water originating from a waste rock dump of a Canadian base metal mine. In pit lakes resulting from coal and lignite mining, only iron and aluminum reach concentrations high enough to form relevant buffering systems. Calcium, sodium, and potassium (Fig. 17a) do not show a clear concentration dependence on pH. This may be due to the formation of secondary minerals, such as gypsum and jarosite. 1). For at least some of the Australian pit lakes, the diversion of highly saline water into lakes from the local rivers during the first flush at the beginning of the wet season would have likely disrupted any relationship between these cations and pH.
Acidic Pit Lakes: The Legacy of Coal and Metal Surface Mines by Walter Geller, Martin Schultze, Bob Kleinmann, Christian Wolkersdorfer