Sentences with phrase «aquifer system»

«My own estimates are based on volumetric analyses of aquifer systems throughout the world, in which we're actually looking at water - level changes in as many aquifers as possible.»

Long Island's aquifer system consists of several layers, including the Upper Glacial, the Magothy — from which most of Nassau and Suffolk's water is taken — and the Lloyd, the deepest, purest and most fragile.

«I know it's kind of crazy, but with the millions of people that rely on the sole - source aquifer system, there is no federal program to do research or to monitor the groundwater quality or quantity or even where the saltwater is located,» Stumm said.

The ancient aquifer system was just too complicated: it was impossible to pinpoint who was taking too much water, or even estimate when it would run out.

This effort builds on previous investigations, such as the USGS Central Valley Regional Aquifer System and Analysis (CV - RASA) project and several other groundwater studies in the Valley completed by Federal, State and local agencies at differing scales.

In the sections that follow, we review groundwater information from three representative Montana aquifer systems (MBMGa undated).

Topping the list of overstressed aquifers is the Arabian Aquifer System, located beneath Yemen and Saudi Arabia, from which 60 million people draw their water.

To provide information to stakeholders addressing these issues, the USGS Groundwater Resources Program made a detailed assessment of groundwater availability of the Central Valley aquifer system, that includes: (1) the present status of groundwater resources; (2) how these resources have changed over time; and (3) tools to assess system responses to stresses from future human uses and climate variability and change.

While the city has since abandoned that plan, it became clear that there was little current information about the state of the aquifer system under Nassau, or how the pumping in Queens or elsewhere would affect it, said Mindy Germain, executive director of Residents for a More Beautiful Port Washington.

«We don't know where the saltwater interface is in the two critical aquifers for Long Island,» Stumm said, adding that the aquifer system on the South Shore — where saltwater intrusion has forced coastal communities to rely on the Lloyd for drinking water — hasn't been studied in over 30 years.

The need for a study arose after the county began examining New York City's plan to reopen 23 of its shuttered Queens wells that dip into the aquifer system under geographic Long Island during its upstate aqueduct - repair project, Martins said.

The study would provide updated details about the state of the aquifer system in the county, said Frederick Stumm, research hydrologist with the USGS New York Water Science Center in Coram, who cowrote the proposal.

Others, including Southampton Town Supervisor Anna Throne - Holst, spoke of the issue of sand mining on the East End, particularly in areas important for the protection of the aquifer system.

In the rush to keep up with a tourist boom, hotels began dumping sewage straight into Tulum's aquifer system and running diesel generators day and night.

[ANDY REVKIN disagrees: Sorry, policy (a better word would be leadership, perhaps) still drives most game - changing innovation and large - scale investment, particularly in the arena of the «public good» (New York City's reservoir and aquifer system, the climate system, the grid).

Space geodetic observation of expansion of the San Gabriel Valley, California, aquifer system, during heavy rainfall in winter 2004 — 2005

«Generally, as you go deeper in an aquifer system, the water tends to be older and the longer it's been in contact with the surrounding sediment or bedrock material, it can leach out material from this rock.