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TD020 – Simplified metadata

← Back to TD020 detail

Dataset

Database Code
TD020
Title
Respiration patterns of logs in the Pacific Northwest, 1986-1996
Abstract
To examine the seasonal and successional patterns of respiration losses for four species (Abies amabilis, Pseudotsuga menziesii, Thuja plicata, Tsuga heterophylla), and two positions (top and side). Periodically this set of logs is examined for respirations rates.
Keywords
temporal properties; seasonality; respiration; decomposition; detritus; coarse woody debris; organic matter; Long-Term Ecological Research (LTER); organic matter
Date begin
1986-01-10
Date end
1996-09-30
Principal Investigator
Mark E. Harmon

Entities

  1. TD02001
  2. TD02002
  3. TD02003
  4. TD02004

1. TD02001 - Attribute list

TD02001 - attributes
Attribute Type Domain Minimum Maximum Unit
DATACODE varchar freetext
FORMAT numeric(1.000000) range 1.0000 1.0000 number
YEAR datetime freetext
DAY datetime freetext
SITE numeric(1.000000) range 1.0000 6.0000 number
LOG numeric(1.000000) range 5.0000 505.0000 number
POSITION varchar enum
ENDVOL numeric(0.001000) range 0.0000 250.0000 milliliters
STARTVOL numeric(0.001000) range 0.0000 250.0000 milliliters

2. TD02002 - Attribute list

TD02002 - attributes
Attribute Type Domain Minimum Maximum Unit
DATACODE varchar freetext
FORMAT numeric(1.000000) range 2.0000 2.0000 number
SITE numeric(1.000000) range 1.0000 6.0000 number
HOURSTAR numeric(1.000000) range 0.0000 1800.0000 time in military hours and minutes
YEARSTAR datetime freetext
DAYSTART datetime freetext
HOUREND numeric(1.000000) range 0.0000 1710.0000 time in military hours and minutes
YEAREND datetime freetext
DAYEND datetime freetext
ENDVOL numeric(0.001000) range 0.0000 248.4350 milliliters
STARTVOL numeric(0.001000) range 0.0000 248.3400 milliliters
TEMP1 numeric(0.100000) range -1.3000 24.9000 degrees Celsius
TEMP2 numeric(0.100000) range -0.9000 25.6000 degrees Celsius
TEMP3 numeric(0.100000) range -0.9000 25.0000 degrees Celsius

3. TD02003 - Attribute list

TD02003 - attributes
Attribute Type Domain Minimum Maximum Unit
DATACODE varchar freetext
FORMAT numeric(1.000000) range 3.0000 3.0000 number
YEAR datetime freetext
DAY datetime freetext
SITE numeric(1.000000) range 1.0000 6.0000 number
LOG numeric(1.000000) range 5.0000 505.0000 number
POSITION varchar enum
ENDWGHT numeric(0.001000) range 0.0000 248.2300 grams
STRTWGHT numeric(0.001000) range 0.0000 248.0400 grams

4. TD02004 - Attribute list

TD02004 - attributes
Attribute Type Domain Minimum Maximum Unit
DATACODE varchar freetext
FORMAT numeric(1.000000) range 4.0000 4.0000 number
SITE numeric(1.000000) range 1.0000 6.0000 number
HOURSTAR numeric(1.000000) range 544.0000 1702.0000 time in military hours and minutes
YEARSTAR datetime freetext
DAYSTART datetime freetext
HOUREND numeric(1.000000) range 545.0000 1640.0000 time in military hours and minutes
YEAREND datetime freetext
DAYEND datetime freetext
ENDWGHT numeric(0.001000) range 238.1200 248.3050 grams
STRTWGHT numeric(0.001000) range 237.9750 248.1650 grams

Attribute definitions

DATACODE
Database code
DAY
Day that measurement was taken expressed as a julian day
DAYEND
Julian day that measurement ended
DAYSTART
Julian day that measurement started
ENDVOL
Method change during study, see notes in TD20.abs
ENDWGHT
End dry weight of sodalime
FORMAT
Entity number
HOUREND
Hour and minutes that measurement ended 24 hour clock
HOURSTAR
Hour and minutes that measurement started based on 24 hour clock hhmm
LOG
Log that measurement was taken from refers to same logs as the log decay experiment
POSITION
Chamber position on logs; t=chamber on log top, s=chamber on log side
SITE
Site number (same sites as in database TD14)
STARTVOL
Method change during study, see notes in TD20.abs
STRTWGHT
Starting dry weight of sodalime
TEMP1
Mean air temperature the day before the measurement was taken
TEMP2
Mean air temperature the day the measurement was taken
TEMP3
Mean air temperature the second day the measurement was taken
YEAR
Year that measurement was taken
YEAREND
Year that measurement ended
YEARSTAR
Year that measurement started

Enumerated domains

Enumerated domain for attribute: POSITION

Codes for POSITION
Code Description
T TOP OF LOG RESPERATION CHAMBER POSITION
S SIDE OF LOG RESPERATION CHAMBER POSITION