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April

2007

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1

JD91

2

JD92
(Full "Pink" Moon)

3

JD93 (windy/clear)
Site Visit (SpB, JH, JB): Details , Photos (22)

from 13:10-13:40 MST, re-zeroed the li-6262

start running ops37 (removed ncar thermocouples, add 2-d ati)

Swapped 4 West Robot Flasks (JB)

Compact Rental

4

JD94

5

JD95 (overcast/some snow)
Site Visit (JH, JB): Details .

JH and JB dug 10 snow pits

Compact Rental

6

JD96
SpB Off (CHATs)

7

JD97
CHATS (SpB): Details , Photos (7)

Photos from CHATS in California

8

JD98

9

JD99
CHATS (SpB): Details , Photos (60)

Photos from CHATS in California

10

JD100
CHATS (SpB): Details , Photos (76)

Photos from CHATS in California

at 8:00 MST, problem with LI-6262 span cal starts

11

JD101
CHATS (SpB): Details , Photos (44)

Photos from CHATS in California

12

JD102
SpB Returns

Trip to site cancelled (no flasks swapped this week)

13

JD103

14

JD104 (clear/windy)
Site Visit (SpB): Details , Photos (15)

at 12:00 MST, adjust span gas regulator pressure (seems to fix span cal problem)

15

JD105

16

JD106

17

JD107 (calm/some snow)
Site Visit (SpB, JB): Details , Photos (29)

from 11:30-12:15 MST, Changed profiler (li-6251) dessicant

Added 2nd REBS to CNR logger (but connection is probably not correct)

Swapped 4 West Robot Flasks (SpB)

lots of yellow snow in the forest

Prius Rental

18

JD108

19

JD109
Site Visit (JH, JB): Details .

at 8:00 MST, problem with LI-6262 span cal starts (again)

Van Rental

20

JD110
Site Visit (AT): Details .

setup an REA system on the tower (AT)

also, the pump for the slow ozone sensor was fried (so removed)

21

JD111

22

JD112

23

JD113
Site Visit (SpB, JB): Details , Photos (24)

the flow from the span tank was at zero psi!

from 8:40-9:00 MST, reset the span tank regulator & tested the span calibrations.

from 9:05-9:10 MST, fiddled with span/N2 flow to the li-6251

Started using "met_01.csi" on met logger (should close span/N2 valves on logger re-start)

Como creek was "gurgling"

24

JD114 (heavy snow)

russter2 rebooted itself (probably due to a short power outage)

25

JD115

26

JD116
Site Visit (AT): Details .

TECO ozone instrument (o3.slow) turned back on

27

JD117
Site Visit (JH, JB): Details .

Swapped 4 West Robot Flasks

Prius Rental

28

JD118

29

JD119

30

JD120

1

JD121
Site Visit (SpB, JB): Details , Photos (16)

at 10:40 MST, removed 2nd PAR sensor + photodiodes from 26m

from 11:15-11:50 MST, adjusted the LI-6262 and LI-6251 span/N2 flow rates

Prius Rental

2

JD122
(Full "Flower" Moon)

3

JD123
Site Visit (SpB, JB, JH): Details , Photos (24)

Transported 5 new cylinders to the trailer

at 11:25 MST, changed the 0.5m inlet filter (for li-6251)

at 11:40 MST, swiped the kyrpton hyg

pre-cal on 2 co2-in-air cylinders, post-cal on 1 co2-in-air cylinder (in trailer)

Swapped 4 flasks at the west robot

Drove to C1!

Jeep Rental

4

JD124

5

JD125 (snow)
quacker system (hi-rate data) down from ~11:00-12:37 MST.