Source Allocation of Columbia Gorge IMPROVE Data with Positive Matrix Factorization
Rose K. 2004. Source Allocation of Columbia Gorge IMPROVE Data with Positive Matrix Factorization. Epa
Positive Matrix Factorization (PMF) was used to model IMPROVE monitoring data collected at the Mt. Zion and Wishram monitoring sites in the Columbia River Gorge National Scenic Area. PMF was able to identify source categories that contribute to the fine particulates (PM2.5) measured at each site, the average percent PM2.5 mass allocation from each source category, and the time-dependent allocation from each source category. PMF identified 9 source categories for the Mt. Zion site based on 1996-98 data, and, 9 source categories for the Wishram site based on 1993-95 data.
- Type
- Published Report
- Authors
- Rose, Keith
- Date of Issue
- 2004-11-15
- Publisher
- Epa
- Units
- ARD
- Keywords
- AIRBIB, Improve, positive matrix factorization (PMF)