Unlabeled

A day in the life of a tree trunk: Lebanon cedars in Turkey, summers 2013–2014

On a summer day these cedar trunks are fattest around 6 am and thinnest around 4 pm: they shrink by 0.11 mm, about the thickness of a hair, as the needles lose water faster than the roots take it up.

What does this axis measure?
What does this axis measure?
A day in the life of a tree trunk: Lebanon cedars in Turkey, summers 2013–2014: 24 points, a line chart.
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Trunk radius vs. daily average (mm)
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Time of day (hour)
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The data: 24 points
Time of day (hour)Trunk radius vs. daily average (mm)
00.0238
10.0293
20.0344
30.0395
40.0437
50.0476
60.0488
70.0446
80.035
90.0223
100.0055
11−0.0152
12−0.0341
13−0.0468
14−0.055
15−0.0578
16−0.0589
17−0.0557
18−0.0437
19−0.0282
20−0.0117
210.0016
220.0113
230.0196
Source
Güney, Zweifel, Türkan, Zimmermann, Wachendorf and Güney (2020), stem radius changes of Lebanon cedars at Elmalı, Turkey, measured hourly by point dendrometers, Zenodo doi:10.5281/zenodo.3978175; hourly averages calculated by Unlabeled
Licence
CC BY 4.0; changes by Unlabeled: the file's dates moved 1,462 days later to agree with its metadata, micrometers converted to millimeters, each day's mean subtracted, averaged by hour
Read
2026-11-10
Drawn
24 points as the puzzle showed them · line
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