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Results 1 - 10 from 71 for subsurface processes in 0.534 sec.

USGS National Wetlands Research Center: Accretion, Subsidence, and Sea-level Rise
SET to the marsh surface. This technique incorporates both surface and subsurface processes occurring between the surface and the bottom of the pipe. The difference in rates between the SET and the marker horizon provides an estimate of the rate of subsurface processes or what we call shallow subsidence. Our findings indicate that the assumption of a 1:1 ...
www.nwrc.usgs.gov

Prospective Students | Careers | University of Delaware
These scientists deal with a multitude of important and diverse issues — from declining fisheries, eroding coastlines, surface/subsurface processes and environmental public policy to the development of new drugs, the discovery of new information about various species, the development of alternative energy and the invention of ...
www.ocean.udel.edu

Environmental Remediation Sciences
In situ field investigations also provide an opportunity to test measurement and monitoring tools developed to describe subsurface processes and the functioning of microbial communities. Field research is an inherently multi-disciplinary endeavor encompassing elements of geology, hydrology, geochemistry, geophysics, microbiology, ...
lbl.gov

Environmental Remediation Sciences
ERSP science teams, particularly the field research components of the program, are encouraged to partner with modelers and computational scientists to provide state-of-the-science descriptions of subsurface processes and predictions of contaminant transport to aid decision-making for environment remediation. ERSP also partners with the U.S. DOE Office of Advanced Scientific Computing Research ( ...
lbl.gov More from this site

The Great Plains/Rocky Mountain HSRC - Application of Anaerobic and Multiple-Electron-Acceptor Bioremediation to Chlorinated Aliphatic Subsurface Contamination
The Great Plains/Rocky Mountain HSRC - Application of Anaerobic and Multiple-Electron-Acceptor Bioremediation to Chlorinated Aliphatic Subsurface Contamination Home Contact Search Publications Conferences Programs Research Phytoremediation Links Search for: in: Entire Website Application of Anaerobic and Multiple-Electron-Acceptor Bioremediation to Chlorinated Aliphatic Subsurface Contamination ...
www.engg.ksu.edu

Terms Beginning With "I"
In Situ: In its original place; unmoved unexcavated; remaining at the site or in the subsurface. In-Line Filtration: Pre-treattment method in which chemicals are mixed by the flowing water ... root zone compared to the amount of irrigation water applied. Irrigation Return Flow: Surface and subsurface water which leaves the field following application of irrigation water. Irritant: A substance that can ...
epa.gov

CRU Information Sheet no. 7: Thermohaline circulation
What is the thermohaline circulation? There are three main processes that make the oceans circulate: tidal forces, wind stress, and density differences. The density of ... gradually warms and returns to the surface, througout the world's oceans. The surface and subsurface currents, the sinking regions, and the return of water to the surface form a closed ...
www.cru.uea.ac.uk

Innovative pretreatment technologies including; cold-climate subsurface flow wetlands.
Subsurface Flow Modeling JW NAWE has expertise in numerical modeling of subsurface flow and mass transport processes in both saturated and variably saturated systems. These models are useful in designing engineered wetlands for wastewater/groundwater treatment processes, determining the impact of soil disposal of ...
www.nawe-pa.com

Guidelines for the Acceptance of Monitored Natural Attenuation Processes in South Africa
Cost-effective DNAPL site management requires an understanding of DNAPL properties and migration processes and of the methods available to investigate and interpret the transport and fate of DNAPL in the subsurface. This report’s purpose is therefore to document the applicable assessment procedures for a DNAPL contaminated site. Consideration was given to ...
fwr.org

ITRC - Attenuation Processes for Metals and Radionuclides
This stabilization and toxicity reduction can result from natural processes, geochemical gradients, or biogeochemical manipulation. Except for a few radionuclides, the original contaminant remains in the subsurface so that documentation of the sustainability or permanence of stabilization and detoxification is crucial to assessing performance. ...
itrcweb.org