PROJECT TITLE :
Manifold Regression Framework for Characterizing Source Zone Architecture
During this paper, we develop machine learning approaches for estimating quantitative features (or metrics) characterizing subsurface zones of chemical contamination, focusing on issues involving dense nonaqueous-section liquid (DNAPL). Source zone characterization, a necessary 1st step in the development of a remediation strategy, is difficult due to practical constraints related to the information out there for processing. Our ways specialize in the employment of manifold regression techniques for estimating supply zone metrics connected to the distribution of contaminant mass in highly saturated pool regions, with more diffuse ganglia regions, based mostly on downgradient measurements of dissolved contaminant concentration at a outlined time. We have a tendency to use manifold ways for jointly representing labeled coaching knowledge composed of known supply zone metrics, also features derived from the corresponding dissolved concentration knowledge sets. We tend to then propose a new integrated approach to the problems of one) robustly embedding test data (downgradient dissolved concentration) into the manifold when the source zone metrics aren't out there and 2) constructing a regression operate operating directly within the manifold space for source zone metric estimation. The utility of the approach is enhanced by the express incorporation of physical constraints associated with the metrics into the matter formulation. Results primarily based upon simulated knowledge demonstrate the potential effectiveness of the manifold regression approaches, and significant improvement in performance relative to the case where the algorithmic parts are designed serially.
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