TD021

Attributes in entity 2: Initial ash content		Details
1. DBCODE Definition: FSBD study code Domain: enum
2. ENTITY Definition: FSDB entity number Units: number Domain: range (minimum = 2.  maximum = 2.)
3. SITE Definition: Site where samples were incubated in field Domain: place
4. TIME Definition: Proposed time interval to collect samples in the field; interval is typically 1 year, but at the Mexico sites (tropical) it is half a year; refer to TIMEOUT for field incubation time Units: number of years Domain: range (minimum = 0.  maximum = 0.)
5. SPECIES Definition: Species code of sample Domain: taxa
6. SIZE Definition: Diameter class of branch sample Domain: enum
7. SOURCE Definition: Part of tree from which sample was cut Domain: enum
8. SAMPLE_NO Definition: Indicates if sample is repeated 1 is first, 2 is duplicate Units: number Domain: range (minimum = 1.  maximum = 4.)
9. DATE Definition: Date samples were run Units: date as date type Domain: range (minimum = Jan 10 1998  maximum = Jan 23 1998)
10. NIR_NUM Definition: Unique number for individual or pooled samples Units: number Domain: range (minimum = 90046.  maximum = 94457.)
11. CRWT Definition: Crucible weight prior to adding sample Units: grams Domain: range (minimum = 16.1500  maximum = 20.2600)
12. CRSWT Definition: Weight of the crucible and sample Units: grams Domain: range (minimum = 17.2416  maximum = 21.2800)
13. CRASH Definition: Weight of crucible and ash. ashing was at 400 deg C for 4 hours Units: grams Domain: range (minimum = 16.1600  maximum = 20.2672)
14. IASH Definition: Percent initial ash Units: percent Domain: range (minimum = 0.430  maximum = 2.070)
15. ASHFREE Definition: Proportion of sample that was ash free Units: number Domain: range (minimum = 0.9438  maximum = 0.9957)
16. EST Definition: Indicates if a pooled sample was used to est. the ashfree content. All weights are blank for this condition Domain: enum
20. LAB Definition: Code to indicate lab which performed the analysis Domain: enum