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October

2018

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30

JD273

1

JD274

2

JD275

3

JD276
Site Visit (SpB, DA+): Details , Photos (26)

Span cylinder at 550 psi, N2 at 250 psi

from 11:00-12:30 MST, re-installed the re-calibrated LI-6262

Changed the fast logger program so all data are output with "High Resolution" (fast_26.csi)

Changed the ucb logger program (ucb_20.csi, minor change to thermistor excitation voltage)

Started ops93 (but no change to niwot.xml)

found a few more "NW B" trees (see photos)

DA was cleaning up the power cable

SpB Prius

Variable, warm with some wind gusts

4

JD277
from approx 12:15-14:10 MST, power/network outage at the site (everything appears to have come back ok)

at around 12 MST, PhotoSpec down

5

JD278
FLIR camera re-installed by JL and KH

PhotoSpec computer off (all day)

6

JD279
PhotoSpec computer off (all day)

7

JD280
PhotoSpec computer off (all day)

8

JD281
PhotoSpec computer off (all day)

Columbus Day

First snow of the season

9

JD282
PhotoSpec computer off (all day)

More snow

10

JD283
PhotoSpec computer off (all day)

NWT/LTER Meeting (2:30 - 4pm, SEEC, S228)

Even MORE snow

11

JD284
Site Visit (DK): Details

at around 13:00 MST, DK visited the tower and rebooted the PhotoSpec

12

JD285

13

JD286

14

JD287
in PM: a short (45 min?) power outage at the site

Heavy snow (night of 10/13, 10/14 AM)

15

JD288
sometime around mid-month noise (negative spikes) appeared in the 21.5m LI-7200 analog CO2 signal (the usb raw data are ok)

16

JD289

17

JD290
Site Visit (SpB): Details , Photos (34)

Span cylinder at 350 psi, N2 at 0 --> 1900 psi

Changed the ucb logger program (ucb_21.csi, added Judd snow depth sensor)

Started ops94

found a few "NW C" trees (see photos)

SpB Prius

Partly-cloudy, calm

18

JD291

19

JD292

20

JD293

21

JD294

22

JD295
Site Visit (TM, JS):

Troy and Jochen were checking on photospec

Tilt of JPL PAR sensor: 4.62 deg (towards NE)

Ameriflux Data/Tech Workshop (Bloomington, Indiana)

23

JD296
Ameriflux Data/Tech Workshop (Bloomington, Indiana)

24

JD297
Ameriflux PI Meeting (Bloomington, Indiana)

25

JD298
Ameriflux PI Meeting (Bloomington, Indiana)

26

JD299
Site Visit (TM, +):

Troy (and others) from a class visited the site

SpB Off

27

JD300

28

JD301

29

JD302
SpB Off

30

JD303

31

JD304
Halloween

1

JD305

2

JD306
Site Visit (DE):

DE to fix Utah (subcanopy) PAR system

3

JD307