ill. (some color),; Report cover' "November 1991." - T.p.; Condition codes used are those developed as part of the National Park Service Visibility Monitoring and Data Analysis Project. - p. 3; Includes bibliographic referencees (p. 47, A8-A9);
Title
Visibility monitoring and data analysis report for Crater Lake National Park Dutton Ridge, Oregon: 1987 through 1991 monitoring seasons
National Park Service Visibility Monitoring and Data Analysis Program
Source
Originally published as: Visibility monitoring and data analysis report for Crater Lake National Park Dutton Ridge, Oregon; (Ft. Collins, Colo.: Air Resource Specialists, Inc., 1991); iv., 62 p. (various pagings); 28 cm.
TABLE OF CONTENTS
Section Page
1.0 INTRODUCTION 1
2.0 VISIBILITY MONITORING PROCEDURES 2
2.1 Instrumentation 2
2.2 Site/Target Selection 2
2.3 Data Acquisition 2
2.4 Data Reduction 3
2.4.1 Qualitative Analysis - Slide Coding 3
2.4.2 Quantitative Analysis - Slide Densitometry 3
2.4.3 Quality Assurance 5
3.0 SITE DESCRIPTION AND OPERATIONAL HISTORY 6
4.0 QUANTITATIVE DATA ANALYSIS AND RESULTS 14
4.1 Analysis and Reporting Procedures 14
4.2 Results 15
4.2.1 Visibility Monitoring Results: Time Plots
and Cumulative Frequency Analyses 18
4.2.2 Collective Visibility Monitoring Results:
Summary of Data To-Date 40
5.0 QUALITATIVE DATA ANALYSIS AND RESULTS 42
6.0 SUMMARY AND CONCLUSIONS 46
7.0 REFERENCES 47
7.1 Technical References 47
7.2 Related Reports and Publications 47
APPENDIX A Basic Theory and Considerations of Error of
Slide-Based Visibility Measurements A-l
APPENDIX B Estimating Specific SVR or Cumulative Frequency Values Given the Slope and Intercept of the Least Square Fit to the Cumulative
Frequency Distribution B-l
APPENDIX C Revised Cumulative Frequency Plots and Photographic Summaries and Statistics
August, September, and October 1987 C-l
*** This document has been reproduced on recycled paper ***
Rights
Digital image copyright 2010. Oregon Institute of Technology. All rights reserved. http://digitallib.oit.edu/cdm/copyright/collection/craterlake
