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30

JD181

1

JD182
Site Visit (SpB, PB, SM): Details , Photos (27)

Span cylinder at ? psi. N2 at 1500 psi

from 15:45-16:30 MST, extended boom for LI-7500 (now near CSAT3)

from 16:30-19:00 MST, reinstalled LI-7200 (at 21.5m)

heater settings for the LI-7200 inlet tubing: 3.8 W (0.21A, 18V)

SM Van!

Cool and cloudy; felt like it would rain (never did)

2

JD183
SpB Off

3

JD184

4

JD185
Independence Day (CU Holiday)
the response of T_ref (AM25T/mux1, connected to TC logger) changed dramatically

5

JD186

6

JD187
Site Visit (SM): Details

at 16:00 MST, SM turned off the heater for LI-7200 inlet tubing

7

JD188

8

JD189

9

JD190

10

JD191
SpB Returns

11

JD192
Site Visit (SpB, JVS, K, +): Details , Photos (32)

Span cylinder at 300 psi. N2 at 1230 psi

at 10:54 MST, turned on the heater for LI-7200 inlet tubing (5 W, 0.23 A, 21.3 V)

from 11:50-12:25 MST, adjusted LI-6251 and swapped dessicant tube (restricted flow)

NOTE: 2.5 m REBs has a crack in the dome (need to replace)

SpB Jeep

Pleasant; a few clouds and a threat of rain

12

JD193

13

JD194
network to tower is up-and-down (power seems ok)

Water ingested by LI-7200

Afternoon T-storms

14

JD195

15

JD196

16

JD197
Site Visit (SpB, JVS, K, MW, +): Details , Photos (31)

Span cylinder at 300 psi. N2 at ? psi

from 12:04-12:50 MST, swapped the LI-7200 inlet tube, cleaned the LI-7200 cell/optics (left heater at 5 W, 0.23 A, 21.3 V)

from 16:00-16:15 MST, replaced 2.5m REBS domes (the upper one was broken)

at 16:20 MST, reset gfi outlet (for Picarro)

LTER Site Review

SpB Jeep

Pleasant/cool; a few clouds higher up, smog on plains

17

JD198

18

JD199
Site Visit (SpB, ES, LJ, GB, RK, DM, +): Details , Photos (19)

Span cylinder at ? psi. N2 at ? psi

in morning, students setup campbell instruments near trailer at C1

in afternoon, visit to tower is cut short by heavy rain

MRS Flux Class to visit Tower

SpB Jeep

Sun in the morning; large clouds and heavy rain in afternoon

19

JD200

20

JD201

21

JD202
at approx 19:00 MST, dry air passes by tower?

22

JD203

23

JD204
Site Visit (SpB, SC, SB): Details , Photos (25)

Span cylinder at 200 psi. N2 at 900 psi

at 9:00 MST, reset gfi outlet (for Picarro)

at 9:20 MST, increased the LI-7200 heated inlet power to 6 W (0.27 A, 23.7 V)

at 10:10 MST, krypton hygrometer re-deployed

AmeriFlux IC (setup)

CU Prius

Warm and dry

24

JD205

25

JD206

26

JD207

27

JD208

28

JD209
Wet and cool (in morning)

29

JD210

30

JD211

31

JD212
Site Visit (JK, SC): Details

at 9:00 MST, picarro unplugged?

1

JD213

2

JD214
Site Visit (SpB, SC): Details , Photos (28)

Span cylinder at 80 --> 1900 psi. N2 at 650 psi

at 9:30 MST, swapped span cylinder; old=cc32558 new=cc321228

from approx 10:30-10:45 MST, Changed profiler (li-6251) dessicant

at 11:10 MST, swapped upper dessicant bottle in LI-7200 (no other changes)

AmeriFlux IC (end)

SpB Jeep

Warm and Windy (esp in morning)

3

JD215