Previous

Calendar

October

2021

Next
Sunday Monday Tuesday Wednesday Thursday Friday Saturday

26

JD269

27

JD270

28

JD271
Site Visit (SpB, TV, RC, AM): Details , Photos (24)

Span cylinder at 1790 psi, N2 at 800 psi

at around 1:45 MST, 21.5m LI-7500A (op2) and LI-7200 rebooted (due to power outage)

from 9:24-9:46 MST, replaced LI-7200 fan tygon tubing

Downloaded tree sway data

Rachel and Tom recorded dendroband readings.

Uploaded revised NiwotSapflux_V5.3.CR1 to Dave B's CR1000 (left it running on the logger)

SpB Prius

Calm, clear in AM

29

JD272

30

JD273
in AM: foggy, overcast

1

JD274

2

JD275

3

JD276

4

JD277
Site Visit (PB, KM, WW, D, JM): Details

PB noted that the LI-7200 fan is at 100%

looking for a TRAM site

5

JD278
at 8:05 MST, noticed that the LI-7200 clock is 14 sec slow

6

JD279
NWT LTER Meeting 1:30-3pm

7

JD280

8

JD281
Site Visit (SpB): Details , Photos (32)

Span cylinder at 1750 psi, N2 at 690 psi

from 11:15-11:20 MST, swapped LI-7200 inlet assembly

at 11:25 MST, reset the LI-7200 clock (it was approx 20s slow)

from 11:50-12:20 MST, replaced vanes in GAST pump

Tried NiwotSapflux_V5.4.CR1 with Dave B's CR1000 (didn't work, so went back to NiwotSapflux_V5.2.CR1)

SpB Prius

calm; clear in AM, cloudy in PM

9

JD282
first snowfall of the season (a dusting)!

10

JD283

11

JD284
Columbus / Indigenous Peoples Day

12

JD285
New cylinders moved from CU campus to MRS snowshed

light snow (in trees)

13

JD286
Site Visit (PB): Details

in PM: tour of site with potential grad student

in AM: windy

14

JD287

15

JD288

16

JD289

17

JD290

18

JD291

19

JD292

20

JD293
Site Visit (SpB): Details , Photos (24)

Span cylinder at 1600 psi, N2 at 450 psi

moved 5 airgas cylinders from snowshed to C-1: cc702386 (n2), cc236580 (n2), eb0034398 (n2), cc235629 (span), cc477126 (span)

added the 2-m PAR sensors back to the UCB logger (new program: ucb_30.csi)

at 13:10 MST, removed the AmeriFlux PQS1 PAR sensor (sn 140270) from CNR logger (diff ch 9); note, left the mounting hardware on the tower

Modified niwot.xml, added back in the 2-m PAR sensors (started using ops100)

downloaded the data from the tree sway sensors (and moved the orange box next to the NCTC logger box)

Enterprise SUV rental (drove to C-1)

cool; mostly clear skies

21

JD294

22

JD295

23

JD296

24

JD297

25

JD298

26

JD299
urquell update from RHEL6 to RHEL8 (postponed)

27

JD300
from 6:40-9:45 MST, lost contact with the tower (network issue?)

from 9:50-14:00 MST, dsm server is not working (might check the 5-min covar data?)

windy

28

JD301

29

JD302

30

JD303

31

JD304
Halloween

1

JD305

2

JD306
snow

3

JD307

4

JD308

5

JD309

6

JD310
Site Visit (SpB): Details , Photos (30)

Span cylinder at 1550 psi, N2 at 150 ---> 1850 psi

from 12:00-12:05 MST, removed N2 cylinder cc181030, started N2 cylinder cc479490

at 10:30 MST, plugged in MRS logger

at 13:40 MST, changed view of snowtherm IR sensor 7794 from looking at sky/tree; now pointed at the ground

downloaded the data from the tree sway sensors (replaced the battery in the tree2 sensor, and stuck on the tower)

NCTC thermocouple: fixed ch11, 1650 cm (third from 21.5m level TC)

NCTC thermocouple: checked ch3 (has issues), 806 cm (there are 3 other TCs there from Mark CR23X, check if they are working?)

SpB Jeep

windy in AM; became calm and pleasant in PM