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September

2015

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30

JD242

31

JD243

1

JD244

2

JD245

3

JD246

4

JD247
Site Visit (SpB): Details , Photos (32)

Span cylinder at 550 psi. N2 at 1820 psi

at 12:00 MST, a slight decrease in sample flow rate of LI-6251 (prof)

at 12:30 MST, changed bandpass in 2.5m LI-7500 from 20-Hz to 5-Hz

from 13:00-13:02 MST, adjusted span/zero flow in LI-6262

at 14:00-14:30 MST, started ops82: added T-type thermocouple to mark logger (Ttc.Ttype, started mark_08.csi)

from 14:30-14:40 MST, in mark logger: swapped diff chan 9 (Ttc.csat3) with diff chan 8 (Ttc.csat2)

SpB Jeep

Overcast with light showers

5

JD248

6

JD249

7

JD250
CU Holiday (Labor Day)

8

JD251

9

JD252

10

JD253

11

JD254

12

JD255

13

JD256

14

JD257

15

JD258

16

JD259

17

JD260

18

JD261

19

JD262

20

JD263

21

JD264
Site Visit (SpB): Details , Photos (9+)

Span cylinder at 400 psi. N2 at 1500 psi

battery charger for LI-7200/LI-7550 was showing a fault, reset it (not sure this will fix it?), pump flow is off

from 13:00-14:00 MST, at tc23x logger: swapped am25t sn1616 with sn4370 (check for changes!)

started ops83: at approx 14:30 MST, started mark_09.csi (changed sampling from 20-Hz to 10-Hz)

from 15:20-15:30 MST, moved boom for "30m" CSAT from straight to angled (so aligned with subcanopy sensors)

CU Prius

Sunny, warm, pleasant.

22

JD265
Fall Equinox

23

JD266

24

JD267

25

JD268

26

JD269

27

JD270
(Full "Harvest" Moon)

28

JD271
Site Visit (SpB, MR): Details , Photos (23+)

Span cylinder at 380 psi. N2 at 1300 psi

brought up 2 new N2 cylinders (cc453413, cc448922), one span (cc175573); moved cc316422 (n2) to snowshed

battery charger for LI-7200/LI-7550 still showing a fault, reset it, only powering LI-7550

removed csat3s sn0855 ("35m") and sn0540 ("25m")

removed "13m" LI-7500 (sn 75H-0084) from tower

found that the "eol" CSAT3 ground wire was loose (in FAST logger box)

CU Suburban

Overcast; fall is here.

29

JD272
2-3:30 pm, NWT LTER meeting (INSTAAR, RL1, rm 269)

30

JD273
Site Visit (SpB, PB, GS, JK): Details , Photos (32)

started ops84: removed EOL csat3s, "forestcam" dsm, booms, etc

moved "csat" thermocouples (see details)

CU Suburban

Overcast and calm.

1

JD274

2

JD275
at around 2-3 pm, lightning strike (brings down the network to the tower)

3

JD276
network down