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Gas exchange. Porometry measurements for canopy- and subcanopy trees.
Dataset ID: 946
Last updated: 2011-03-29
Dataset creators: Thomas Motzer
Contact: Thomas Motzer
Temporal coverage: 2001-01-16 15:52:00 - 2001-03-22 17:09:00
Geographic coverage: Q2.2
Abstract: Aufgenommen wurden alle Bäume des Untersuchungspl...
Additional info: Original data: FOR402 (Phase 2) ID: 50705, 50707;...
Keywords: | tree | Gas exchange | canopy | subcanopy | Porometry |
Intellectual rights: FOR816 data user agreement
1. Entity:
Entity name: Gas exchange. Porometry for canopy-/subcanopy trees
Entity type:dataTable
Attributes:
Date and Time (datetime) (Unitless)
ID of the tree (TreeID) (Unitless)
Tree species (Tree_species) (Unitless)
Family name (Family) (Unitless)
ID of the leaf (LeafID) (Unitless)
Air flow in the cuvette (porometry_cuvette_airflow) [Cubic centimeter per second]
Temperature in the cuvette (porometry_cuvette_temp) [Degrees Celsius]
Leaf Temperature (temp_leaf) [Degrees Celsius]
Relative humidity in the cuvette (porometry_cuvette_rh) [Percent]
Photosynthetic active radiation (PAR) [Micromol per square meter and second]
Total leaf conductance (LeafCond_total) [Micromol per square meter per second]
Boundary layer conductance (LeafCond_bl) [Micromol per square meter per second]
Stomatal conductance (LeafCond_st) [Micromol per square meter per second]
Leaf Conductance (LeafCond) [Micromol per square meter per second]
Leaf transpiration (LeafTrans) [Millimol per square meter per second]
Saturation Vapor Pressure in the leaf (SVP_leaf) [Kilopascal]
Saturation Vapor Pressure in the cuvette (SVP_cuvette) [Kilopascal]
Molar fraction (Leaf_mf) [Pascal per kilopascal]
remarks (remarks) (Unitless)
Leaf length (leaf_length) [Centimeter]
Wind speed (Windspeed) [Meter per second]
Diameter at breast height (DBH) [Meter]
Stem cross section (Tree_stem_crosssection) [Square meter]
Height of a tree (tree_height) [Meter]
Projected area of the crown (tree_crownarea) [Square meter]
Approximated volume of the crown (tree_crownvolume) [Cubic meter]


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