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TD026 – Simplified metadata

← Back to TD026 detail

Dataset

Database Code
TD026
Title
Moisture content of logs from the Andrews Experimental Forest, 1985-1988
Abstract
The purpose of this study is to test the effect of log species and decomposition on the moisture content and water stores in logs.
Keywords
water content; bulk density; coarse woody debris; organic matter; water; logs; Long-Term Ecological Research (LTER); organic matter
Date begin
1985-01-09
Date end
1988-11-30
Principal Investigator
Mark E. Harmon

Entities

  1. TD02601
  2. TD02602
  3. TD02603
  4. TD02604

1. TD02601 - Attribute list

TD02601 - attributes
Attribute Type Domain Minimum Maximum Unit
STCODE varchar freetext
FORMAT numeric(1.000000) range 1.0000 1.0000 number
DAY datetime freetext
MONTH datetime freetext
YEAR datetime freetext
SITE numeric(1.000000) range 1.0000 6.0000 number
LOGNUM numeric(1.000000) range 1.0000 9999.0000 number
SPECIES varchar enum
EXC varchar enum
TYPE varchar enum
WETWT numeric(0.001000) range 0.0050 99.0000 grams
DRYWT numeric(0.001000) range 0.0050 99.0000 grams
MOIST numeric(0.001000) range 5.0000 600.0000 percent
EST varchar enum

2. TD02602 - Attribute list

TD02602 - attributes
Attribute Type Domain Minimum Maximum Unit
STCODE varchar freetext
FORMAT numeric(1.000000) range 2.0000 2.0000 number
STID varchar enum
DAY datetime freetext
MONTH datetime freetext
YEAR datetime freetext
SITE numeric(1.000000) range 1.0000 6.0000 number
LOGNUM numeric(1.000000) range 1.0000 9999.0000 number
SPECIES varchar enum
OBWATER numeric(0.001000) range 0.0000 200.0000 kilograms
IBWATER numeric(0.001000) range 0.0000 200.0000 kilograms
SAPWATER numeric(0.001000) range 0.0000 1000.0000 kilograms
HWATER numeric(0.001000) range 0.0000 500.0000 kilograms
TWATER numeric(0.001000) range 0.0000 2000.0000 kilograms
TMOIST numeric(0.100000) range 0.0000 500.0000 percent
OBMASS numeric(0.001000) range 0.0000 500.0000 kilograms
IBMASS numeric(0.001000) range 0.0000 500.0000 kilograms
SAPMASS numeric(0.001000) range 0.0000 500.0000 kilograms
HMASS numeric(0.001000) range 0.0000 500.0000 kilograms
TMASS numeric(0.001000) range 0.0000 700.0000 kilograms

3. TD02603 - Attribute list

TD02603 - attributes
Attribute Type Domain Minimum Maximum Unit
STCODE varchar freetext
FORMAT numeric(1.000000) range 3.0000 3.0000 number
STID varchar enum
TIME_D numeric(1.000000) range 0.0000 3000.0000 number of days
TYPE varchar enum
SPECIES varchar enum
DENSITY numeric(0.001000) range 0.0500 0.6000 grams per square centimeter

4. TD02604 - Attribute list

TD02604 - attributes
Attribute Type Domain Minimum Maximum Unit
STCODE varchar freetext
FORMAT numeric(1.000000) range 4.0000 4.0000 number
SPECIES varchar enum
TYPE varchar enum
DECAY varchar enum
TIME numeric(1.000000) range 0.0000 10.0000 number
DRYWT7 numeric(0.001000) range 0.3000 50.0000 grams
MAXWETWT numeric(0.001000) range 1.5000 100.0000 grams
MAXMOIST numeric(0.100000) range 50.0000 900.0000 percent
DENSITY numeric(0.001000) range 0.0500 0.6000 grams per square centimeter

Attribute definitions

DAY
Day sample was taken
DECAY
Type of decay in sample
DENSITY
Density of tissue; oven dry weight/green volume basis
DRYWT
Dry weight of sample. determined after 4 days at 55 c
DRYWT7
Dry weight after being in 55c oven for 7 days or until mass is stable
EST
Moisture content was estimated. used in cases where sample could not be taken or was obviously wrong
EXC
Indicates if log was under an insect exclosure
FORMAT
Entity number
HMASS
Dry mass of heartwood for the log
HWATER
Mass of water stored in heartwood
IBMASS
Dry mass of inner bark for the log
IBWATER
Mass of water stored in inner bark
LOGNUM
Log number
MAXMOIST
Maximum moisture content, water weight/dry weight basis
MAXWETWT
Maximum wet weight of water soaked sample
MOIST
Field moisture content, water weight/dry weight basis
MONTH
Month sample was taken
OBMASS
Dry mass of outer bark for log
OBWATER
Mass of water stored in outer bark
SAPMASS
Dry mass of sapwood for the log
SAPWATER
Mass of water stored in sapwood
SITE
Site of log
SPECIES
Species of log
STCODE
Database code
STID
Study area where density was determined
TIME
Number of years the tissue has been exposed to decay
TIME_D
Number of days that tissues were exposed to decay
TMASS
Dry mass of entire log
TMOIST
Overall moisture content of log
TWATER
Mass of water stored in entire log-all tissues combined
TYPE
Tissue type
WETWT
Wet weight of the sample
YEAR
Year sample was taken

Enumerated domains

Enumerated domain for attribute: SPECIES

Codes for SPECIES
Code Description
ABAM Abies amabilis
PSME Pseudotsuga menziesii
THPL Thuja plicata
TSHE Tsuga heterophylla

Enumerated domain for attribute: EXC

Codes for EXC
Code Description
E INSIDE EXCLOSURE
O OUTSIDE EXCLOSURE

Enumerated domain for attribute: TYPE

Codes for TYPE
Code Description
H HEARTWOOD
I INNER BARK
O HEARTWOOD
S SAPWOOD

Enumerated domain for attribute: EST

Codes for EST
Code Description
E VALUE ESTIMATED

Enumerated domain for attribute: STID

Codes for STID
Code Description
HJA H. J. ANDREWS EXPERIMENTAL FOREST, OREGON

Enumerated domain for attribute: DECAY

Codes for DECAY
Code Description
B BROWN ROT
D DECAYED
F FRESH; FROM A LIVE TREE
S SOUND; UNDECAYED
W WHITE ROT