The Dated Master Dendrochronology

What is a dated master dendrochronology? See figure at right: Constructed from previously crossdated samples Is dated with calendar years, 1895 to 1926, in this case Often hundreds of years -- sometimes thousands -- of years long Time series of standardized growth indices Average of 1.0, normal growth Minimum of 0.0, below average to no growth Maximum of 2.0, above average to great growth Is marked as if it were a skeleton plot Small indices represented by long marks hanging down (e.g., 1919) Large indices represented by "b" marks (e.g., 1922 and 1926)

When you try skeleton plotting for yourself, you can show or hide the master chronology: There will be a "Master" button, as on the right Mouse click it to hide or show the master Hint #1: You may need to rescale the graphs for your monitor (see Relative Scale) Hint #2: Move the master left or right with your mouse by grabbing it within the part of the time series plot

CAREFUL: When the master chronology is showing, you can change its markings: There will be two scroll bars, as on the right "Absolute value" affects marks based on entire range on index values "First-difference" affects marks of small rings relative to their immediate predecessor Hint #1: As numbers scroll up, chronology markings increase Hint #2: Set numbers to 1 to have no markings Chronology marks can also be changed by drawing or erasing with the mouse just as with the skeleton plot

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Introduction | Dendrochronology Applications | Crossdating Application | Ring-Growth Anomalies
Sensitivity-Complacency | Skeleton Plotting | Relative Scale | Master Chronology
Pattern Matching | Finding the Dates | Absent/False Rings | Try Skeleton Plotting for Yourself!
Laboratory of Tree-Ring Research