But the variables change when you're on the ocean floor, where swirling bottom sediment
can result in decreased visibility.
At each station, suspended sediment was collected from the top and bottom 1 m of the water column and the median Im of the water column, as well as bottom sediment
and riverine detritus in order to determine the terrestrial organic [d.
You can tell if you have a dangerous condition by stirring up the bottom sediment
and smelling the rising bubbles for a very distinct sulfur smell.
In the current study, abundance was greater in the top (0-3 cm) sediment section and the biomass was greater in the bottom sediment
section (3-10 cm) of sediment.
As the river flows, this bottom sediment
, called bedload, scrapes over the rocks like sandpaper over wood, slowly eroding (wearing away) the riverbed to carve the canyon.
Processing of the seismic data, along with integration of historical lake bottom sediment
sampling, will commence within the next week, with final detailed images available for winter drill targeting in early December 2010.
The chirp sent down high-frequency sound signals through the water to probe the bottom sediment
and help Woodruff determine the best places to core.
The bottom sediment
distribution in Luga Bay is very complex and is primarily the result of the complicated relief.
Falcon intends to announce details on the gas shows from this test after flow-back of frac fluid and bottom sediment
has been completed.
Three years ago, we initiated a study designed to produce high resolution GIS maps of yearly bottom sediment
in the bay.
Add the pesticide hydrocarbons persisting in bottom sediment
, the increased nitrogen load from point and nonpoint source pollution and a little heat from the long, dry summer to further lower the level of dissolved oxygen, and, according to Soundkeeper Terry Backer, who heads a nonprofit advocacy group, you "really have something cooking.
54]Mn activity concentration in the macrophytes, fish and bottom sediment
samples was estimated by [gamma]-spectroscopy method (Gudelis et al.