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February

2019

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27

JD27

28

JD28

29

JD29

30

JD30

31

JD31

1

JD32

2

JD33

3

JD34

4

JD35

5

JD36

6

JD37

7

JD38
Very cold

8

JD39

9

JD40

10

JD41

11

JD42

12

JD43

13

JD44
In Lab/Cristol (SpB): Details

started testing krypton hygrometers; kryptons sn 1107 (ch1) and sn 1344 (ch2) connected to cr23x logger (sn 2291) running the program, lab_09.csi

Modified niwot.xml to read in these data with correct variable names (started ops94a)

14

JD45

15

JD46
Site Visit (SpB): Details , Photos (18)

Span cylinder at 1200 psi, N2 at 1100 psi

moved cc40798 (n2) from trailer to tower

at 13:21 MST, cleared the snow from the subcanopy rad sensors (see photos)

at 13:30, RADCAM rebooted, photos have not been saved since 1/14/19!

at 14:15 MST, noticed the REBS Rnet sensor had rotated (in the wind?), moved it back to close to where it was (check the data!)

from 14:55-15:10 MST, swapped nupro filter in 6262 box (did not help to increase the flow rate)

at 15:25 MST, started fast_27.csi (increased voltage range of p.ec from 1000 mV to 5000 mV)

Enterprise rental

Mix of snow, wind, clouds

16

JD47

17

JD48

18

JD49

19

JD50

20

JD51

21

JD52
In Lab/Cristol (SpB): Details

running a version of UCB program in lab (lab_10.csi) with Rnet sensor connected + other slight mods

connected kryptons sn 1332 (ch1) and sn 1333 (ch2) to cr23x logger in lab

Modified niwot.xml to read in these data with correct variable names (started ops94b)

22

JD53

23

JD54

24

JD55

25

JD56

26

JD57

27

JD58

28

JD59

1

JD60

2

JD61
Very cold