Sentences with phrase «surface soil samples»

Dartmouth scientists examined the variability of soil phosphorus in the McMurdo Dry Valleys by evaluating two forms of phosphorus in surface soil samples: labile phosphorus, which is immediately available to organisms, and mineral phosphorus, which needs to be broken down by weathering before organisms can use it.

Not exact matches

Susan Lorenz studied soil, sediment, ground and surface water samples, and said that although she found lead present in surface soils, it had not migrated to deeper soils or ground water.
The main goal is to grab some dirt from Phobos» surface and return the samples to Earth in 2014 («grunt» means «soil» in Russian).
Their probe, called Fobos - Grunt («Phobos soil» in Russian), will not only land on Phobos but also scoop up some samples of the surface and send them to Earth.
Then Fobos - Grunt will extend a robot arm and start collecting samples of regolith — surface soil and rocks — for return to Earth.
A self - burying probe will dig itself down as far as six feet to recover small samples of soil that are more likely than oxidized surface dust to contain life.
They spent nearly 21 hours on the lunar surface, collecting samples of rock and soil and setting up remote instruments.
These advances include the near - global three - dimensional sampling by the Argo array of temperature and salinity profiling floats and spaceborne measurements of sea surface salinity using the European Space Agency's Soil Moisture and Ocean Salinity (SMOS) spacecraft and NASA's Aquarius mission aboard the Argentine SAC - D spacecraft (which ceased operations in June 2015).
Conduct environmental field sampling activities including groundwater, surface water, sediment, soil, soil gas, and air samples.
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