SGM Analysis Pages This is a list of pages that contain compilations of data or analysis work connected to the SGM. Some of the analysis pages also contain compilations of data. Within each category, the pages are alphabetic by main topic of the page. To highlight the main topic, the link is assigned only to part of the title of the page in some cases.
The unattributed pages were written by myself. Some pages have coauthors as indicated.
Compilations of Data Bloom Identification Guide for the SGM*
Books about the San Gabriel Mountains*
Index of Trails and Secondary Forest Roads on ANF Forest Service Map*
Mountain Lion Attacks in California and Elsewhere
News (Current and Historical)
Overview of the SGM: The Numbers*
Trail Mileages for Chantry Flat Trails
Trails of The Angeles:
- Updates to Trails of The Angeles 1998 edition
- Comparison of 1998 edition of Trails of The Angeles to the 1990 edition
Analysis Accuracy of GPS Positions: George Aumann's:
- GPS Accuracy for Plotting Trails Post-SA
- GPS Accuracy for Plotting Trails With SA for Little Jimmy to Windy Gap and Mt. Hawkins
- Position accuracy achievable with the DGPS beacon receiver and the Garmin GPS12 With SA
Accuracy of Tracks From a Garmin Etrex GPS Receiver:
Accuracy of Trail Mileages Deduced From Topo! Measurements (also includes comments on accuracy of elevation gain and loss from Topo!)
Errors In The Suunto Compass by Lang Brod
Guide to Non-existent Planned Connector Trails Between Bailey Canyon Trail and the Mt. Wilson Trail (includes warning that the USGS Topo Maps now show planned trails that don't actually exist on the ground)
Model For Formation Of Natural Bridge of Twin Springs Canyon, Sawpit Canyon, Monrovia
Numbering of Trails and Secondary Forest Roads in Angeles National Forest*
Number of Plants Blooming By Month In 1999*, including by color of bloom.
Ozone Injury to Trees in the Western United States by Paul R. Miller. (This study of the San Bernardino Mountains applies directly to the SGM)
Peaks:
- Distances, Azimuths and Elevation Angles Of Peaks
- Comparison of Calculated and Measured View Parameters From Vetter Mountain
- How To Calculate Distances, Azimuths and Elevation Angles Of Peaks
- The Effect Of Atmospheric Refraction On The Observed Elevation Angles Of Peaks
- Derivation Of The Effect Of Atmospheric Refraction On The Observed Elevation Angles Of Peaks
Roy Randall's 100 Hikes (statistics of his 100 hikes in 548 days)
Statistical Information:
- Number Of Hikes, Trailheads and Web References By Area
- Plot of Hike Lengths Vs |Altitude gains or losses|
- Histogram Of Hike Lengths
- Histogram of |Altitude gains or losses|
Sunrise, Local Noon, Sunset Times and Times of Maximum UV Exposure
Temperatures in the San Gabriel Mountains
Travel Time To Trailheads From Caltech, including Number of SGM Hikes
Website analysis:
- Number of hits per day for Hiking website
- Number of requests per week to this site when it was hosted at znet, including which regions and pages are the most popular
* Coauthored with Jane Strong
+ Coauthored with Jane Strong and Paul Ayers
Go to:
Copyright © 1997-2006 by Tom Chester.
Permission is freely granted to reproduce any or all of this page as long as credit is given to me at this source:
http://tchester.org/sgm/analysis/index.html
Comments and feedback: Tom Chester
Last update: 22 August 2006.
