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February

2014

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26

JD26
Site Visit (SpB): Details , Photos (30)

Span cylinder at 600 psi. N2 at 1350 psi

at approx 10 MST, decreased inlet heater power from 6W (0.26A at 23V) to 4.7 W (0.23A at 20.3V)

SpB Jeep

Sunny, Windy, Warm.

27

JD27
Lost contact with UNH phenocam

SpB Returns

28

JD28
at around 5:30 MST, brief power outage

UNH phenocam working again (power outage fixed it?)

29

JD29

30

JD30

31

JD31
Chinese New Year (Wood Horse)

1

JD32
at approx 20:30 MST, LI-7200 stops saving data

2

JD33
No LI-7200 data

3

JD34
No LI-7200 data

4

JD35
at approx 15:40 MST, LI-7200 reset screenshot

at 19:57 MST, LI-7200 stops saving data

Cold/snowy.

5

JD36
at approx 15:00 MST, LI-7200 is rebooted, data archive re-started

Very Cold.

6

JD37

7

JD38
a strange signal, during a LI-6262 span (not sure which one)

8

JD39

9

JD40

10

JD41
Chinese New Year (Water Snake)

11

JD42

12

JD43
Ameriflux Data Managers Meeting

13

JD44
Ameriflux Data Managers Meeting

Snow.

14

JD45
Snow.

15

JD46

16

JD47
Site Visit (SpB): Details , Photos (39)

Span cylinder at 490 psi. N2 at 900 psi

at approx 13:15 MST, decreased inlet heater power from 4.7 W (0.23A at 20.3V) to 3.8 W (0.21A at 18.1 V).

at approx 14:00 MST, replaced usb thumb drive in the LI-7550.

CU Prius

Warm. Sunny & windy (morning), snow (afternoon).

17

JD48

18

JD49

19

JD50
SpB Off (FMA)

20

JD51
at 22:06 MST, LI-7200 stops saving data (usb data are lost until 2/28)

SpB Off (FMA)

21

JD52
lost network connection to the LI-7200?

Note: 16 m prop-vane WS needs to be checked (WD has been broken for a long time)

22

JD53

23

JD54

24

JD55

25

JD56
In afternoon: cold front passage (check LI-7200 co2!)

26

JD57
In afternoon: network connection to niwot ridge down

27

JD58
at around 11:30 MST, network connection to niwot ridge back up

28

JD59

Site Visit (SpB): Details , Photos (27)

Span cylinder at ? psi. N2 at 600 psi

at approx 13:00 MST, reset the LI-7550 (this fixed the system, usb data being saved again)

from 13:18-13:20 MST, adjusted LI-6262 cal gas flow rate

SpB Jeep

Blustery.

1

JD60