An Inversion Method to Backtrack Source Parameters and Associated Concentration Field for an Inert Gas Release in Urban Environments

Abstract

This document describes a prototype of an inversion method to reconstruct the unknown atmospheric release parameters, including hiding the release location and strength, and associated concentration field. The inversion method is based on the analysis of the data collected from wind, chemical/biological sensors. A combined process of backward trajectory and Bayesian inference is used for the inversion. The retrieved atmospheric release location and strength by this method are the optimal estimations of the physical parameters. A simple test case is used to demonstrate the accuracy and application of the inversion method.

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Document Details

Document Type
Technical Report
Publication Date
Mar 01, 2008
Accession Number
ADA478673

Entities

People

  • Yansen Wang

Organizations

  • United States Army Research Laboratory

Tags

Communities of Interest

  • Biomedical
  • Materials and Manufacturing Processes

DTIC Thesaurus Topics

  • Bayesian Inference
  • Chemical Detection
  • Detection
  • Detectors
  • Environment
  • Information Science
  • Inversion
  • Markov Chains
  • Military Research
  • Models
  • Probability
  • Probability Distributions
  • Sampling
  • Simulations
  • Stability Conditions
  • Three Dimensional
  • Trajectories

Fields of Study

  • Engineering
  • Environmental science

Readers

  • Combustion science or combustion engineering.
  • Ocean-Atmosphere Mesoscale Modeling, Data Assimilation, and Flux Boundary Layers
  • Sensor Fusion and Tracking Systems.

Technology Areas

  • AI & ML
  • AI & ML - Bayesian Inference