Schweingruber, Fritz Hans; Brunner, Margrit (2007): Tree-ring measurements of Abies amabilis (Pacific silver fir) from sample HELENS-121 [dataset]. Swiss Federal Institute for Forest, Snow and Landscape Research, PANGAEA, https://doi.org/10.1594/PANGAEA.592223
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Project(s):
Coverage:
Latitude: 46.090000 * Longitude: -122.090000
Minimum Elevation: 1200.0 m * Maximum Elevation: 1200.0 m
Event(s):
HELENS * Latitude: 46.090000 * Longitude: -122.090000 * Elevation: 1200.0 m * Location: Mount St. Helens, USA * Campaign: WDD * Method/Device: Tree ring sampling (TREE) * Comment: Exposition W; Slope 20 deg; Geology: Vulk. Tuff m. Bimsauflage; Tree line 1400 m; av. Tree height 35 m; Tree cover 75%; Shrub cover 50%; Herb cover 10%; Moss cover 1%; Vegatation type: Alt. Ta-Wald in Schluchtl. Plent. Homogen; Film number: 710A
Comment:
Species ABAM; No of rings 209; Begin 1775; End 1983
Parameter(s):
| # | Name | Short Name | Unit | Principal Investigator | Method/Device | Comment |
|---|---|---|---|---|---|---|
| 1 | AGE | Age | ka BP | Geocode | ||
| 2 | Age | Age | a AD/CE | Schweingruber, Fritz Hans | ||
| 3 | Density, minimum | N | 1/100 g/cm3 | Schweingruber, Fritz Hans | ||
| 4 | Density, maximum | X | 1/100 g/cm3 | Schweingruber, Fritz Hans | ||
| 5 | Earlywood width | E | 1/100 mm | Schweingruber, Fritz Hans | ||
| 6 | Latewood width | L | 1/100 mm | Schweingruber, Fritz Hans | ||
| 7 | Tree ring width | TRW | 1/100 mm | Schweingruber, Fritz Hans | ||
| 8 | Earlywood density | I | 1/1000 g/cm3 | Schweingruber, Fritz Hans | ||
| 9 | Latewood density | T | 1/1000 g/cm3 | Schweingruber, Fritz Hans | ||
| 10 | Approximate age of pith | Age_pith | a | Schweingruber, Fritz Hans |
License:
Creative Commons Attribution 3.0 Unported (CC-BY-3.0)
Size:
1874 data points