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August

2017

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30

JD211

31

JD212

1

JD213
GLEES Site Visit (JF): Details , Photos

2

JD214

3

JD215

4

JD216
Site Visit (SpB): Details , Photos (26)

Span cylinder at 300 psi. N2 at 1400 psi

started using new field laptop (lenovo thinkpad)

collected GPS points near tower

at 15:30 MST, swapped spectrometer dessicant

SpB Jeep

Hazy/warm in AM, partly cloudy in PM

5

JD217
at approx 19 MST, lost contact with the AmeriFlux tower (rest of Niwot Ridge, ok)

6

JD218

7

JD219
Site Visit (SpB): Details , Photos (15)

Investigated issue with network---looks like the fiber optic from C-1 to the tower is not working

SpB Jeep

Rain (heavy at times)

(Full "Sturgeon" Moon)

8

JD220

9

JD221

10

JD222

11

JD223
Site Visit (SpB): Details , Photos (16)

Installed freewave wireless modems between C-1 and tower; network to tower is now back up (as of approx 18:00 MST)

Max B and crew removed all the picarro-related stuff

SpB Jeep

Partly cloudy

12

JD224

13

JD225

14

JD226
SpB Off (LI)

15

JD227
GLEES Site Visit (JF): Details , Photos

JF flipped the ATI k-probe to be right-side up!

16

JD228

17

JD229

18

JD230

19

JD231

20

JD232

21

JD233
From 9:22 - 12:13 MST, Great American Solar Eclipse of 2017 (coverage at 10:46 MST, approx 94%)

at approx 10:52 MST, lost contact with the AmeriFlux site (rest of Niwot Ridge, ok)

Tower Time Series

SpB Returns

22

JD234
at approx 11 MST, connection to the AmeriFlux site back up

23

JD235
Site Visit (SpB): Details , Photos (31)

Span cylinder at 20 ---> 1900 psi. N2 at 1100 psi

from approx 11:20-11:40 MST, removed cc153444 (span) and started cc262930 at 1900 psi

from 10:25-11:05 MST, replaced two 2-micron Nupro filters in LI-6262 system

Kris Hess moved empty N2 cylinders from C-1 to MRS: cc319297, cc267882, cc316615, gg22047

tested fiber optic line from C-1 to tower (see notes)

SpB Jeep

Sunny in early AM, then cloudy

24

JD236

25

JD237

26

JD238

27

JD239

28

JD240

29

JD241
GLEES Site Visit (JF): Details , Photos (5)

JF site visit (took photos)

At Niwot: USGS tower removal (D. Anderson)

30

JD242
Site Visit (SpB, PB, BC, XW, EJ): Details , Photos (21)

Span cylinder at approx 1900 psi. N2 at 1000 psi

Re-investigated the issues with the fiber optic line from C-1 to the tower

from xx:xx-xx:xx MST, adjusted flow of N2/Span for LI-6262

SpB Jeep

Clear, then cloudy with threat of rain

31

JD243

1

JD244

2

JD245