TP112

Attributes in entity 9: Image analysis of hemispherical canopy photos (pre-treatment)		Details
1. DBCODE Definition: FSDB database code Domain: enum
2. ENTITY Definition: Entity number Units: number Domain: range (minimum = 9.  maximum = 9.)
3. YEAR Definition: Year of sampling Units: year (yyyy) Domain: range (minimum = 2004.  maximum = 2004.)
4. PLOTID Definition: Plot id for the plots in Bunchgrass study Domain: place
5. PLOT Definition: Number of 1-ha sized plot Units: number Domain: range (minimum = 0.  maximum = 58.)
6. XSTART Definition: Subplot start point along X axis (can take negative values) Units: meters Domain: range (minimum = 0.  maximum = 90.)
7. XEND Definition: Subplot end point along X axis (can take negative values) Units: meters Domain: range (minimum = 10.  maximum = 100.)
8. YSTART Definition: Subplot start point along Y axis (can take negative values) Units: meters Domain: range (minimum = 0.  maximum = 90.)
9. YEND Definition: Subplot end point along Y axis (can take negative values) Units: meters Domain: range (minimum = 10.  maximum = 100.)
10. SUBPLOTID Definition: Subplot ID based on plot and grid column and row number Domain: enum
11. IMAGE Definition: Image number Units: number Domain: range (minimum = 347.  maximum = 1145.)
12. SKYAREAPCT Definition: Percent area of sky hemisphere above the effective horizon Units: percent Domain: range (minimum = 100.  maximum = 100.)
13. MASKAREAPC Definition: Percent area of sky hemisphere obstructed by topography Units: percent Domain: range (minimum = 0.  maximum = 0.)
14. CANOPYPCT Definition: Percent canopy cover (100 - %Open) Units: percent Domain: range (minimum = 29.00  maximum = 94.00)
15. PCTOPEN Definition: Percent canopy openness Units: percent Domain: range (minimum = 6.00  maximum = 71.00)
16. LAI4 Definition: Effective LAI integrated over zenith angle 0 to 60 deg Units: number Domain: range (minimum = 0.00  maximum = 4.00)
17. LAI5 Definition: Effective LAI integrated over zenith angle 0 to 75 deg Units: number Domain: range (minimum = 0.00  maximum = 3.00)
18. EXTRA Definition: Total shortwave extraterrestrial radiation Units: moles per m2 per day Domain: range (minimum = 312.00  maximum = 312.00)
19. ABOVEDIR Definition: Direct incident radiation without any effect of forest canopy Units: moles per m2 per day Domain: range (minimum = 15.00  maximum = 15.00)
20. ABOVEDIF Definition: Diffuse incident radiation without any effect of forest canopy Units: moles per m2 per day Domain: range (minimum = 15.00  maximum = 15.00)
21. ABOVETOT Definition: Total incident radiation without any effect of forest canopy (Abovedir+Abovedif) Units: moles per m2 per day Domain: range (minimum = 31.00  maximum = 31.00)
22. DIRMASK Definition: Direct incident radiation taking into account topographic mask Units: moles per m2 per day Domain: range (minimum = 15.00  maximum = 15.00)
23. DIFMASK Definition: Diffuse incident radiation taking into account topographic mask Units: moles per m2 per day Domain: range (minimum = 15.00  maximum = 15.00)
24. TOTMASK Definition: Total incident radiation taking into account topographic mask Units: moles per m2 per day Domain: range (minimum = 31.00  maximum = 31.00)
25. TRANSDIR Definition: Direct solar radiation transmitted by forest canopy Units: moles per m2 per day Domain: range (minimum = 0.00  maximum = 15.00)
26. TRANSDIF Definition: Diffuse solar radiation transmitted by forest canopy Units: moles per m2 per day Domain: range (minimum = 1.00  maximum = 14.00)
27. TRANSTOT Definition: Total solar radiation transmitted by forest canopy (Transdir+Transdif) Units: moles per m2 per day Domain: range (minimum = 2.00  maximum = 28.00)
28. PCTTRNSDIR Definition: Ratio of Transdir to Abovedir x 100 Units: percent Domain: range (minimum = 0.00  maximum = 94.00)
29. PCTTRNSDIF Definition: Ratio of Transdif to Abovedif x 100 Units: percent Domain: range (minimum = 6.00  maximum = 87.00)
30. PCTTRNSTOT Definition: Ratio of Transtot to Abovetot x 100 Units: percent Domain: range (minimum = 6.00  maximum = 90.00)
31. CAMERAHT Definition: Height of camera above ground surface Units: meters Domain: range (minimum = 2.00  maximum = 2.00)
32. PHOTODATE Definition: Date photo was taken Units: date as date type Domain: range (minimum = Jun 21 2004  maximum = Aug 4 2004)
33. TIMEOFDAY Definition: Time of dat (E = evening, M = morning) Domain: enum
34. PERSONNEL Definition: Photographer(s) Domain: freetext