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MRO probe has helped scientists to study the underground water channels on Mars

08.03.2013

 

U.S. planetary scientists have confirmed the existence of a system of giant canals under the Elysium volcanic plateau on the equator of Mars, the resulting output of groundwater to the surface of the red planet, according to a paper published in the journal Science.

"Our work has shown that we have underestimated the degree of erosion of the surface of Mars and that the depth of the channels is approximately two times greater than earlier estimates showed. Apparently, the source

Continue reading MRO probe has helped scientists to study the underground water channels on Mars

Beijing faces water shortages and subsidence

Beijing faces water shortages and subsidence Facts

800 wells that extract water within the fifth ring road in Beijing, will be closed this year to keep the ground water. In 2011, the total amount of water that has been used residents of the capital, was 3.6 billion cubic meters. According to the authorities, by 2014, the extraction of water in urban areas will be discontinued, as the capital is observed subsidence, in other words, the city falls to the ground. In Beijing, there are over 10,000 wells in the city and its suburbs. Excessive use of surface water, along with

Continue reading Beijing faces water shortages and subsidence

The most extensive groundwater contamination by arsenic in human history

The most extensive groundwater contamination by arsenic in human history Danger Zone

Source of groundwater contamination by arsenic in the Indian part of Bengal basin, discovered a few decades ago, is still not installed. This area is home to about 60 million people who are experiencing an acute shortage of water even for washing or bathing. This concentration of arsenic in drinking water causes skin lesions, respiratory failure and cancer.

It has been suggested that the source of pollution are artificial reservoirs, which accumulates large amounts of organic substances, including arsenic. From there, arsenic and into the groundwater. However, Kansas

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In anticipation of the big bang in the Death Valley

In anticipation of the big bang in the Valley of Death Danger Zone

Death Valley, intermountain basin in the Mojave Desert, was formed 800 years ago — later than previously thought. Geologists have determined that the crater Yubihibi in the California valley width of 800 meters and a depth of 180 meters is not formed by a prehistoric volcanic explosion, and that the conditions for the further changes exist today.

Presumably the crater was formed when rising magma column passed through the accumulation of ground water by activating the explosive processes. During phreatomagmatic explosion erupted superheated steam, volcanic ash and

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The global decline in groundwater levels

Map of drought is based on satellite data and the results of Grace extended weather observations. Dark red color denotes the effect of drought in Texas this year. The new data analysis indicates Grace satellite to change the level of groundwater in the world. The information provided by NASA and the Centre for Drought Control from the University of Nebraska-Lincoln. (GRACE (born Gravity Recovery And Climate Experiment) — a satellite mission designed to study Earth's gravity field and its temporal?'s Variations associated in particular with the processes of climate change — annotated. Interpreter).

December 23. Throughout the world,

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08.08.12.Zamor fish pond in the Seversky

Animals

08.08.12.V city Polevskoy continue actively to seek the causes of fish kills that happened in Seversky city pond. Recall, the incident occurred a few days ago. To investigate immediately joined CPS.

As shown by the results of the first, one of the man-made factors, which could lead to the death of fish, can be excluded. In particular, it was suggested that the groundwater with Gumeshevskogo copper deposit, located in the conduct of "Uralgidromed" might fall into the pond and lead to a state of emergency.

During the test, which lasted 14 days, the experts studied materials Rosprirodnadzor monitoring

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Beijing settles because of the excessive use of groundwater

Beijing is one of the largest cities in the world of consumer groundwater resources. Two-thirds of tap water in the city comes from the ground. As a result of the excessive use of groundwater beneath the city, hazardous void area over two thousand square meters. As reported by the Chinese edition Powered by Discuz, the water table under Beijing from 12 meters in 1999, fell to an average of 24 meters in 2010, creating a void space area 2650 square meters. meters.

Large-scale use of groundwater in the Chinese capital began after a major drought in 1972.

Continue reading Beijing settles because of the excessive use of groundwater

Aquifers dry

Over the last nine years, the level of underground water has decreased in many parts of the world, read as satellite data.

Water activity disappears from the southern and western Australia, California, China, India, the Middle East, where agriculture is actively developing and requires more moisture. In other words, the soil and ground water are not going through the best of times in almost all major aquifers in arid and semi-arid areas.

Jay Familetti University of California, Irvine (USA) and his colleagues came to this disappointing conclusion on the basis of a pair of US-German

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The mystery of an underground lake Ik Kil.

Lake Ik Kil. In general, it is worth noting that in the Yucatan Peninsula has a huge number of miracles, created by nature. However, the most unusual and important are the cenote (Cenotes). The term comes from the word "dzonot" means in the Mayan language "of the cave with water."

Watch underground lake Ik Kil

In Yucatan generally no lakes or rivers, but the original inhabitants of the peninsula have never experienced any problems with the water. And here's why. Peninsula mainly consists of a thick layer of limestone,

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Groundwater leaving — the ocean begins

A new study by scientists from the University of Utrecht in the Netherlands, indicates an increase in sea level due to the active pumping of groundwater.

Groundwater is used extensively for irrigation, production of drinking water and industrial purposes. This is the main source of clean water for the world's major powers. We used the underground water does not just seep back into the ground — it evaporates into the air and runs off into rivers, canals, and eventually flows into the oceans.

According to new research, by 2050, increase the level of the oceans due to increased use

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