File Content Indicator: 101
Measurements Reported Every 30 Minutes
(Missing Data Value = 6999)
Each ring is divided into three areas:
Birch: contains mixed Aspen/Birch
Maple: contains mixed Aspen/Maple
Aspen: contains pure Aspen
Col Col Header Description
Let Num
A 1 ArrayID File Content Indicator = 101
B 2 RingNo Ring Number
C 3 Year Year
D 4 Day Day (Julian Day)
E 5 Time Time on 2400 clock
Above Ground Conditions:
F 6 W Spd Lo Wind Speed at 2 meters (meters/sec)
G 7 W Dir Lo Wind Direction at 2 meters (degrees)
H 8 StDv W Dir Lo Wind Direction Standard Deviation at 2 meters
I 9 W Spd Hi W Spd at 10 m (m/sec)
J 10 W Dir Hi W Dir at 10 m (deg)
K 11 StDv W Dir Hi W Dir Std Dev at 10 m
L 12 Birch PAR Photosynthetically Active Radiation - Birch at 2 m (mmoles/sq m/sec)
M 13 Maple PAR PAR in Maple area at 2 m (millimoles/square meter/second)
N 14 Aspen PAR PAR in Aspen area at 2 m (mmoles/sq m/sec)
O 15 Net Rad Net Radiation at 2 meters (watts/square meter)
P 16 Birch Temp Temperature in Birch area at 2 meters (C)
Q 17 Maple Temp Temp in Maple area at 2 m (C)
R 18 Aspen Temp Temp in Aspen area at 2 m (C)
S 19 Pole Temp Pole Temp at 10 meters (C)
T 20 Birch RH Relative Humidity in Birch area at 2 meters
U 21 Maple RH RH in Maple area at 2 m
V 22 Aspen RH RH in Aspen area at 2 m
W 23 Pole RH Pole RH at 10 meters
X 24 TC Ref Thermocouple Reference
Soil Temperatures:
Y 25 Birch@-5 Birch area at 5 centimeters depth (C)
Z 26 Birch@-10 Birch area at 10 cm depth (C)
AA 27 Birch@-20 Birch area at 20 cm depth (C)
AB 28 Birch@-50 Birch area at 50 cm depth (C)
AC 29 Birch@-100 Birch area at 1 meter depth (C)
AD 30 Maple@-5 Maple area at 5 centimeters depth (C)
AE 31 Maple@-10 Maple area at 10 cm depth (C)
AF 32 Maple@-20 Maple area at 20 cm depth (C)
AG 33 Maple@-50 Maple area at 50 cm depth (C)
AH 34 Maple@-100 Maple area at 1 meter depth (C)
AI 35 Aspen@-5 Aspen area at 5 centimeters depth depth (C)
AJ 36 Aspen@-10 Aspen area at 10 cm depth (C)
AK 37 Aspen@-20 Aspen area at 20 cm depth (C)
AL 38 Aspen@-50 Aspen area at 50 cm depth (C)
AM 39 Aspen@-100 Aspen area at 1 meter depth (C)
Additional columns added 01/2001:
AN 40 Leaf Wetness Resistance (kilo-ohms)
Rings 1.2 and 3.3:
AO 41 Rain Rain last half-hour (millimeters)
AP 42 StDv Birch PAR Standard Deviation of Birch PAR
AQ 43 StDv Maple PAR Standard Deviation of Maple PAR
AR 44 StDv Aspen PAR Standard Deviation of Aspen PAR
AS 45 StDv NetRad Standard Deviation of Net Radiation
Rings 2.1 and 3.4 (where no rain is measured):
AO 41 StDv Birch PAR Standard Deviation of Birch PAR
AP 42 StDv Maple PAR Standard Deviation of Maple PAR
AQ 43 StDv Aspen PAR Standard Deviation of Aspen PAR
AR 44 StDv NetRad Standard Deviation of Net Radiation