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That hydraulic head is the height above a datum plane (such as sea level) of the column of water that can be supported by the hydraulic pressure at a given-point in a ground-water system. for a well, the hydraulic head is equal. to the distance between the water level in the well and the datum plane [22].?
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Karst research & activity news
The deepest cave in the world (Krubera Cave) became 6 m deeper
Depth of the deepest cave in the world, Krubera (Voronya) Cave in the Arabika Massif, Western Caucasus, became 6 m greater, as established in August 10th by a dive of the ukrainian caver Gennady Samokhin in the terminal sifon in the cave’s Main Branch.
The depth of the reference survey station near the water table of the terminal sifon is 2145 m. During the Ukrainian Speleological Association expedition in 2009, Gennady Samokhin reached depth of 46 m in the sifon, which established the world cave depth record at -2191 m. Now he has reached the point at six meters deeper than in the previous attempt, at the total depth of 2197 m.
The ongoing international expedition to Krubera Cave, with more than 50 members from 11 nations, is organized by the Ukrainian Speleological Association within the framework of the “Call of the Abyss” project, run since 2000. A team from Lithuania has played a particular role in supporting the recent dive at the Krubera bottom. Continuous rains during last week in the Arabika Massif caused high flow conditions in the cave, complicating working conditions in its deep parts.
According to brief reports by expedition members.
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Latest news:
The USGS Karst Interest Group 2014 conference
The US Geological Survey’s (USGS) Karst Interest Group (KIG) will hold its next conference on 28 April through 2 May 2014 in Carlsbad, New Mexico, at the headquarters of the National Cave and Karst Research Institute (NCKRI) This is the sixth in a series of conferences that are held every three years in different locations around the USA. ...
International Conference on Groundwater in Karst
International Conference on Groundwater in Karst With optional pre-and post-conference field trips 20-26 June 2015, Birmingham, UK PRELIMINARY ANNOUNCEMENT The word "karst" is a germanization of the place name for a region in the northwest Dinaric area that is commonly referred to as "the Classic Karst" The word has passed into the scientific vocabulary to describe a special environment in which the major groundwater flux is through an integrated network of disolutionally enlarged channels that discharge via discrete springs. ...
Hypogene Cave Morphologies - Symposium Proceedings
A new electronic publication is available online from the Karst Waters Institute (Special Publication 18), consisting of selected papers and abstracts for the Hypogene Cave Morphologies symposium held February 2 - 7, 2014, on San Salvador Island, The Bahamas http://www. ...
Registration is open: 6th International Workshop on Ice Caves
Registration for the 6th International Workshop on Ice Caves (IWIC-VI) is now open! The conference will focus on all aspects of study involving caves with ice deposits and caves formed in ice IWIC-VI will be held in Idaho Falls, Idaho, USA, from 17-22 August 2014. ...
14th Sinkhole Conference - 2015, Rochester, Minnesota
The 14th Multidisciplinary Conference on Sinkholes and the Engineering and Environmental Impacts of Karst, which is generally known as "The Sinkhole Conference", will be held in Rochester, Minnesota, on 5-9 October 2015 Mark your calendars! For 30 years this conference series has been the premier conference for all aspects of karst geoscience and related engineering and environmental issues—and not just sinkholes. ...