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2026

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31

JD151

1

JD152

2

JD153

3

JD154

4

JD155
SD/Aylin/others to measure trees and collect cores (start)

5

JD156

6

JD157

7

JD158
at ~1600 MDT, the 2.5 m LI-7500A stopped working.

8

JD159
SD/Aylin/others to measure trees and collect cores (end)

9

JD160

10

JD161

11

JD162
In lab (HR)
prep for site visit

12

JD163
Site Visit (HR, SpB): Details , SpB Photos (35) , HR Photos (7)

AP200 N2 cylinder: 600 psi

from 10:00-10:30 MST, removed 2.5-m REBS Rnet sensor and LI-7500A. Updated UCB programming to remove REBs and snow depth measurements at ~15:00 MST

removed fallen tree from NE tower guy wire and re-measured tension (~900 lb pre-tree removal, ~425 lb post-tree removal)

Downloaded all data except Bowling logger. Turned off NOAH logger. Downloaded data and replaced batteries in zentra logger.

From ~13:30-15:00 MST, swapped out LI-7200s. SN 72H-0539 is now on the tower and SN 72H-1033 is back in Boulder to be sent back to LBL.

from 15:35-15:45 MST, adjusted AP200 N2 flow rate

at around 15:20 MST, started ops120 and ucb_44.csi; removed Rnet.2m, removed snow depth (D.judd, T.judd), added back SN-500 Rnet (Rsw.in.sn500 Rsw.out.sn500 Rlw.in.sn500 Rlw.out.sn500)

HR Jeep

Partly cloudy and windy

13

JD164
at around 14:30 MST, HR rebooted the 21.5m LI-7200 (added back variable "Diagnostic Value 2")

14

JD165

15

JD166

16

JD167

17

JD168
at around 9:30 MST, HR rebooted the 21.5m LI-7200 (now saving 30-min data files rather than hourly files)

18

JD169

19

JD170
Site Visit (HR): Details , HR Photos (9)

from 12:50-13:30 MST, calibrated LI-7500A (sn: L5H-2499) and reinstalled on 2.5m tower

Downloaded data from Bowling logger

HR Jeep

Sunny and calm

20

JD171

21

JD172
Summer Solstice

22

JD173
at around 13:45 MST, the 21.5m LI-7500RS/A (op2) rebooted (likely power outage)

SpB Off

23

JD174

24

JD175

25

JD176

26

JD177

27

JD178

28

JD179

29

JD180
at around 10 MST, the CNR4 logger stops sending data to the RAD/CNR logger (suspect a power/battery issue)

SpB Returns

30

JD181

1

JD182

2

JD183

3

JD184
CU Holiday (Day before Independence Day)

4

JD185
At 15:25 MST, turned off LI-7200 fan since flow rate was ~5 slpm

Independence Day