CuPIDO: soil Messages: 36 Entries..

The TP01 probes, at site 2, 5, and 10, had a fold in the thin film transducer.
I assume during installation that the top of the film caught an edge and
started the fold. This is something nobody would have noticed. 

TRIME measurements: 14:05
11.0%
11.3%
11.3%


Soil sample: core sample was sealed and brought back to base, no tupperware
 
0-3 cm net wet weight in Al foil tray =              110.3 g
       net dry weight in Al foil tray =              103.8 g

3-6 cm net wet weight in A2 foil tray =              126.7 g
       net dry weight in A2 foil tray =              118.7 g

6-8 cm net wet weight in A3 foil tray =              82.6 g
       net dry weight in A3 foil tray =              77.8 g

TRIME measurements: 14:05
12.6%, TDR=44
12.6%, TDR=44
12.7%, TDR=45


Soil sample: core sample was sealed and brought back to base, no tupperware
used.***Rocks in depth 3-6 cm***
 
0-3 cm net wet weight in Al foil tray =              107.6 g
       net dry weight in Al foil tray =              102.4 g

3-6 cm net wet weight in A2 foil tray =              104.0 g
       net dry weight in A2 foil tray =              92.9 g

6-8 cm net wet weight in A3 foil tray =              35.1 g
       net dry weight in A3 foil tray =              30.2 g

TRIME measurements taken at 13:50:
1. 12.6%, 44
2. 12.6%, 44
3. 12.7%, 45

Gravimetric samples taken ~13:35

TRIME measurements: 14:05
15.5%, TDR=33
15.2%, TDR=32
15.3%, TDR=32


Soil sample: core sample was sealed and brought back to base, no tupperware
used.****Don't use any for bulk density***
 
0-3 cm net wet weight in Al foil tray =              57.1 g
       net dry weight in Al foil tray =              47.3 g

3-6 cm net wet weight in A2 foil tray =              77.3 g
       net dry weight in A2 foil tray =              62.3 g

6-8 cm net wet weight in A3 foil tray =              66.0 g
       net dry weight in A3 foil tray =              53.8 g

1525 MST, 8/12

Trime: 11.3, 11.3, 11.2

Took soil sample, tub#1 0-3 cm, tub#1 3-6 cm,
and rubbermaid tub labeled "stn1" was used for 6-8cm.


0-3 cm net weight in tupperware = 141.0 g - 46.2 g = 94.8 g <- use to process
       net weight in Al foil tray =                  94.8 g
       net dry weight in Al foil tray =              91.9 g

3-6 cm net weight in tupperware = 151.3 g - 46.5 g = 104.8 g <-
       net weight in Al foil tray =                  104.8 g
       net dry weight in Al foil tray =               98.4 g
*** spilled a bit of this sample in the field -- don't use for bulk density ***

6-8 cm net weight in tupperware = 124.1 g - 43.1 g = 81.0 g
       net weight in Al foil tray =                  81.0 g
       net dry weight in Al foil tray =              75.6 g

0920 MST, 8/12

Trime: 6.7 (stomped a little), 7.8,7.7,7.6% (stomped more)

Took soil sample, tub#2 0-3 cm, tub#2 3-6 cm,
and rubbermaid tub labeled "stn2" was used for 6-8cm.


0-3 cm net weight in tupperware = 134.7 g - 46.2 g = 88.5 g <- use to process
       net weight in Al foil tray =                  88.4 g
       net dry weight in Al foil tray =              80.1 g

3-6 cm net weight in tupperware = 139.3 g - 45.9 g = 93.4 g <-
       net weight in Al foil tray =                  93.3 g
       net dry weight in Al foil tray =              88.1 g

6-8 cm net weight in tupperware = 103.3 g - 43.3 g = 60.0 g
       net weight in Al foil tray =                  60.0 g
       net dry weight in Al foil tray =              56.7 g

TRIME measurements done at 3:20 with following readings:
1st: 11.3%, TDR=53
2nd: 11.3%, TDR=49 (ten minutes later)
3rd: 11.2%, TDR=50
4th: 11.2%, TDR=50

Gravimetric samples taken at 3:25 (Note: 3-6 not good for bulk density)

TRIME measurement probe in at 9:15, then measurement done at 9:20 and readings
as follows:

1st: 6.7%, TDR=56
2nd: 7.6%, TDR=? (after stomp of soil)
3rd: 7.7%, TDR=55
4th: 7.6%, TDR=55

-Gravimetric measurement at 9:25 

1335 MST, 8/9

Trime:
moisure  26.7, 26.8, 29.9

Took soil sample, tub#2 0-3 cm, tub#2 3-6 cm,
and rubbermaid tub labeled "stn2" was used for 6-8cm.


0-3 cm net weight in tupperware = 124.2 g - 46.1 g = 78.1 g <- use to process
       net weight in Al foil tray =                  77.8 g
       net dry weight in Al foil tray =              69.6 g

3-6 cm net weight in tupperware = 142.0 g - 46.0 g = 96.0 g <-
       net weight in Al foil tray =                  95.8 g
       net dry weight in Al foil tray =              83.1 g

6-8 cm net weight in tupperware = 127.7 g - 43.0 g = 84.7 g
       net weight in Al foil tray =                  84.4 g
       net dry weight in Al foil tray =              71.5 g

1750 MST, 8/5

Trime:
moisure  11.2 (all 3 readings)

Took soil sample, tub#2 0-3 cm, tub#2 3-6 cm,
and rubbermaid tub labeled "stn2" was used for 6-8cm.


0-3 cm net weight in tupperware = 147.0 g - 46.1 g = 100.9 g
       net weight in Al foil tray =                  100.9 g
       net dry weight in Al foil tray =               94.3 g

3-6 cm net weight in tupperware = 159.8 g - 46.0 g = 113.8 g
       net weight in Al foil tray =                  113.6 g
       net dry weight in Al foil tray =              106.3 g

6-8 cm net weight in tupperware = 120.6 g - 43.1 g = 77.5 g
       net weight in Al foil tray =                  77.4 g
       net dry weight in Al foil tray =              72.4 g

12:07 MST, 8/4

Trime:
moisure  32.0 (all 3 readings)
TDR      11 

Took soil sample, tub#2 0-3 cm, tub#2 3-6 cm,
and rubbermaid tub labeled "stn5" was used for 6-8cm.


0-3 cm net weight in tupperware = 143.0 g - 46.3 g = 96.7 g
       net weight in Al foil tray =                  96.7 g
       net dry weight in Al foil tray =              78.3 g

3-6 cm net weight in tupperware = 131.9 g - 46.3 g = 85.6 g
       net weight in Al foil tray =                  85.7 g
       net dry weight in Al foil tray =              70.8 g

6-8 cm net weight in tupperware = 108.4 g - 42.9 g = 65.5 g
       net weight in Al foil tray =                  65.4 g
       net dry weight in Al foil tray =              57.7 g

09:30 MST, 8/4

Trime:
moisure  17.6  18.4  17.7
TDR      36    38    35

Took soil sample, tub#1 0-3 cm, tub#1 3-6 cm,
and rubbermaid tub labeled "stn2" was used for 6-8cm.
[NOTE CHANGE FROM PREVIOUS -- the corer doesn't sample to 9cm 
-- just 8cm]

Steve got 2 red ant bites :(

0-3 cm net weight in tupperware = 157.0 g - 46.4 g = 110.6 g
       net weight in Al foil tray =                  110.6 g
       net dry weight in Al foil tray =               97.0 g

3-6 cm net weight in tupperware = 173.5 g - 46.7 g = 126.8 g
       net weight in Al foil tray =                  126.8 g
       net dry weight in Al foil tray =              113.4 g

6-8 cm net weight in tupperware = 135.9 g - 43.2 g = 92.7 g
       net weight in Al foil tray =                  92.8 g
       net dry weight in Al foil tray =              84.2 g

Trime reading at 1457 MST:

21.7% moisture	28.0
22.9% moisture	29.0
23.1% moisture	29.0
23.2% moisture	28.0
22.8% moisture	28.0
23.0% moisture	28.0
23.0% moisture	28.0
23.1% moisture	28.0
23.1% moisture	28.0
23.3% moisture	28.0
23.2% moisture	28.0
23.3% moisture	28.0
23.1% moisture	28.0

Gravimetric sample had voids in soil (4 tries), so samples not good
for bulk density.  On second thought, I may have been resampling a
previously disturbed area, so take data with caution.

0-3 cm net weight in tupperware = 86.0 g - 46.2 g = 39.8 g
       net weight in Al foil tray                 = 39.3 g

3-6 cm net weight in tupperware = 164.8 g - 46.5 g = 118.3 g
       net weight in Al foil tray                  = 118.2 g

17:25 MST, 7/28

Trime:
moisure  24.5  24.4  24.3 24.1
TDR      24.0  24.0  24.0 24.0

Took soil sample, tub#2 0-3 cm, tub#2 3-6 cm,
and tub labeled "stn1 0-3" was used for 6-9cm.

A walnut sized rock was between 3-6 and 6-9 levels,
so these levels can be used for moisture measurement only.

Tom sat on a prickly pear - yeaoowwww!

0-3 cm net weight in tupperware = 138.4 g - 46.1 g = 92.3 g
       net weight in Al foil tray =                  92.3 g
       net dry weight in Al foil tray =              72.3 g

3-6 cm net weight in tupperware = 130.9 g - 46.0 g = 84.9 g
       net weight in Al foil tray =                  84.8 g
       net dry weight in Al foil tray =              70.5 g

6-9 cm net weight in tupperware = 111.5 g - 43.0 g = 68.5 g
       net weight in Al foil tray =                  68.4 g
       spilled!

7/26/06

10:23 MST
Trime:	7.1% TDR 50.0
	7.1% TDR 50.0
	7.2% TDR 50.0
	7.3% TDR 50.0
	7.3% TDR 50.0
	7.3% TDR 50.0

Gravimetric samples collected at 10:30 am MST
Weighed 7/27 at 9:30 am MST

0-3 cm net tupperware:	147.4 - 46.3 gm	=	101.1 gm
       net wet foil tray #1			101.2 gm
       net dry foil tray			 93.8 gm
3-6 cm net tupperware:	131.6 - 46.5 gm	=	 85.1 gm
       net wet foil tray #2			 85.1 gm
       net dry foil tray			 79.2 gm
6-9 cm net tupperware:	116.5 - 44.3 gm	=	 72.2 gm
       net wet foil tray #4			 72.1 gm
       net dry foil tray			 66.9 gm

15:40 MST, station 2

Trime:  
moisture  TDR
15.0 Vol%   47.0
14.9        47.0
14.8        46


Soil
Some (e.g. large rock) of these samples were lost, so they should not be used 
for bulk density, only for gravimetric moisture.

Tub #1  0-3cm		133.4 gm - 46.4 gm = 87.0 gm
in foil tray		 95.1 gm -  8.0 gm = 87.1 gm
dry soil				   = 84.9 gm

Tub #1  3-6cm		135.8 gm - 46.4 gm = 89.4 gm
in foil tray (tared)	                     89.1 gm
dry soil				   = 79.9 gm

Stn2, tub B, 6-9cm	 85.8 gm - 43.0 gm = 42.8 gm
in foil tray (tared)	                     42.5 gm
dry soil				   = 37.9 gm


Left:  15:55 MST

Trime was not charged, so no trime sample.

Took 0-3 cm sample, in tub "#2, 0-3".  Other samples
failed, soil too loose. 

Tupperware lid came loose, so moisture not valid

net "wet" soil = Sample - tupperware = 123.9 - 46.1 = 	77.8 gm
net "wet" soil in foil tray = 				77.9 gm
net dry soil = 						77.3 gm

Station 5 – soil sampling 

Soil samples were taken between 1215-1235

TRIME: Mean value 9.3% with 0.2% variation among two readings of two samples.

Gravitmetric samples (uniform soil with few small rocks – required sledge 
but was otherwise well sampled due to the previous day’s rain).

 This sample sat overnight (condensation of soil moisture into the container is a considerable factor) and was discarded on 21 July.

Total sample weight in tupperware container:

Total			Container	Net weight

0-3 cm	177.9 gm	46.1 gm		131.8 gm	
3-6 cm	154.9 gm	46.0 gm		108.9 gm
6-9 cm	117.9 gm	44.3 gm		 73.6 gm

Total sample weight in foil tray

0-3 cm	139.7 gm	8.0 gm		131.7 gm
3-6 cm	117.1 gm	8.0 gm		109.1 gm
6-9 cm	 81.7 gm	8.0 gm		 73.7 gm

Total dry sample weight in foil tray

0-3 cm	134.0 gm	8.0 gm		126.0 gm
3-6 cm	110.2 gm	8.0 gm		102.2 gm
6-9 cm	 77.4 gm	8.0 gm		 69.4 gm

We revised the gravimetric procedure to account for the soil moisture that
collects on the interior of the tupperware container:

1. Weigh tupperware container with wet soil
2. Clean and weigh large aluminum tray
3. Transfer total soil sample to aluminum tray
4. Weigh wet soil and tray (just for fun, not necessary)
5. Clean and weigh tupperware container
6. Bake moisture out of wet soil sample
7. Weigh dry soil sample and aluminum tray

Bulk density = (w.7 - w.2)/volume of sample

where w.n = weight of step n above
volume of sample = h*pi*r^2 = e.g. 3 cm * pi * (2.7 cm)^2
                 = 68.71 cm^3

Soil moisture (% mass) = ((w.1 - w.5)/(w.7 - w.2) - 1)*100

Fun question:  How close is this to

Soil moisture (% mass) = ((w.4 - w.2)/(w.7 - w.2) - 1)*100

  I expect the latter soil moisture to be less than the former due to loss of
  moisture from the sample that condenses inside the tupperware container.
 

17jul06 12:20 - 14:50

Grabbed tub of soil.  This completes the tub soiling for Cupido.  Now Dr.O
will have plenty of dirt to play with back in Boulder!

16Jul06 11:30 - 16:00

Purpose: TRIME, Gravimetric and soil sample

TRIME measurements:
	11.6% vol,  44 TDR level
	This was taken just north of the tripod, roughly 12m away from the
	installed soil sensors.  The spot was the only one nearby that
	didn't have so many rocks, and was able to insert the probes after
	hammering in the 'fake rods'.  There's some question whether the
	rods made solid contact in the soil.

Gravimetric:  No sample taken
	Attempted to collect sample, many times.  No luck.
	'Soil' either fell out of tube, couldn't insert it all the way, and
	finally after using Greg's sledge hammer technique 'yet again',
	i couldn't extract the brass rings (and of course meanwhile the
	'soil' fell out onced again).  It's possible that the tubes are now
	slightly out of round, and need fixing... :-(

	Recommendation: try taking a sample after a good rain storm, and
	consider taking the scale carefully into the field to perform
	the measurements immediately; placing the small divided samples
	into plastic baggies.

Tub Soil sample collected for later analysis.

HFT Logger Glitch 'fixed'
	Directly cabled the logger to viper box, bypassing the XBEE radios.
	I had to cludge rewire the logger box to do it.
	These boxes need to be rebuilt and improved anyway.

16Jul06 9:05-9:40

A tub of soil from station 5 was gathered. It was placed (along with the other tubs) under the counter against the wall in the back room of the trailer - the wall bordering the front room).

Trime measurements were highly variable (the following are means of multiple
samples at 6 individual locations near the current sensors:
Site 1: 16.2%
Site 2:  7.0
Site 3: 14.0
Site 4: 9.2
Site 5: 9.3
Site 6: 14.1 

Gravimetric sample (this sample was relatively easy).

Gravimetric results (g):
Layer    Sample   Weight
        cntnr wt   in cntnr
 0-3cm   25.2       92.9 (not a good sample due to rocks that fell out)
 3-6cm   41.5      148.7 
 6-7.8cm 5.3        69.9 (bag) (Estimate of lost volume 2 mm)

To the oven
All tin weights were 1.5g and are included in the weights
0-3cm by tin (D1-D3)
      Before  After
      Cookng  Cooking  Difference
   D1  20.5  19.7  -0.8
   D2  20.6  19.7  -0.9
   D3  24.5  23.5  -1.0

3-6cm by tin (E1-E3)
   E1  30.7  26.3 -4.4
   E2  42.0  35.7 -6.3
   E3  31.0  27.0 -4.0

6-7.8cm by tin (B1 and B2)
   B1  25.2  21.8 -3.4
   B2  30.6  25.9 -4.7

time: 1105-1239pm

TRIME measurement 9.7%
Gravimetric measurements for 0-3cm and 3-6cm (it took 20 tries and 3 insertions
to get the two samples because of rocks and soil falling out of the core. 


Gravimetric results (g):
Layer    Sample   Weight
         Cntr wt   in cntr
 0-3cm    43.0     150.5
 3-6cm    44.3     172.3

To the oven
All tin weights were 1.5g and are NOT included (tared)
0-3cm by tin
      Before  After
      Cookng  Cooking  Difference
   C1  32.9     32.7    -0.2
   C2  36.6     36.3    -0.3
   F2  35.3     35.0    -0.3

3-6cm by tin (E1-E3)
   F3  35.5     34.7    -0.8
   A2  25.5     24.9    -0.6
   A3  40.9     40.0    -0.9

Stn 5 soil samples were taken at 1730 13 July (grav) and 1630 (TRIME). The 
soil is very hard and requires leaving the cap loose because a hammer or small
sledge is required to insert the soil tool. A sealable plastic bag was used 
to hold the soil samples.

TRIME results (John):
9.4% Volume  TDR level 51.0
Note I did have to hammer in the fake-rods prior to inserting the actual
probes.  This left me a bit concerned about how well they were coupled to
the ground.  This ground is very hard and somewhat brittle.   I tried to
'pack' the stuff a little bit before taking the readings all of which 
produced the same reading above

Gravimetric results (g):
Layer    Sample   Weight
         Bag wt   in bag
0-3cm    4.0      130.3
3-6cm    5.1      122.1
6-8cm    4.4       77.7

To the oven
All tin weights were 1.5g and are included in the weights
0-3cm by tin (D1-D3)

   Before  After
   Cookng  Cooking  Difference
D1  33.9    33.5      -.4
D2  36.7    36.2      -.5
D3  36.0    35.6      -.4

3-6cm by tin (E1-E3)
E1  36.9    35.4      -1.5
E2  33.6    32.1      -1.5
E3  36.7    35.2      -1.5

6-8cm by tin (B1 and B2)
B1  38.9    36.9      -2.
B2  35.6    33.8      -1.8

13Jul06 9:30-10:30

Purpose: Swap logger to direct cabling to see if that will eliminate
the HFT glitches produced by character loss in the data
message.....done.

Note: This 'rf logger box' is wired such that the +v input can only go
through the solar charger.  This means it must run off the internal
battery and that battery must now be charged through the viper front
panel...this could be an issue for 'blowing it's fuse' and it'll be
interesting to find out.


Goes: box elevated slightly off ground.  This box needs to be
redrilled for drain holes since it wasn't correct.

10Jul06 16:00-17:30

Purpose: HFT has been glitching at night despite swapping in a replacement
	yesterday.

Examination of data revealed that the data messages from the logger are
being messed up by having characters dropped around the hft values.
This results in erroneous data being calculated in the averages.
Speculation that the maxstream radios may be 'burping' at night in
different radio propagation conditions, or lower batt voltage...hmmm.

1) Xbee radios here.  Cabling looks good.  But there are significant
bushes between the radio and receiver on the mast, plus that radio is in
the middle of the tripod with some 'shading' or reflective surfaces
from the tubing of the tower.

2) Boosted transmit power level from 'medium' (2), to 'highest' (4)
for the 2.4 radios

9Jul06 14:30-16:30

Purpose: HFT has been glitching at night

1) HFT Swapped
	New sensors received from Boulder last night.
	Disconnected, but left installed in soil: H013390
	Installed H993560

	Verified via rserial data consistency.

2) New Software installed and swapped data usbdisk

	38% full since 1Jul

3) Cleaned Radiometers, 14:40
	Note that they were very clean in appearance and did
	not have any of the splattered dirt that we've noticed
	elsewhere.

4) Electric Fence
	No zapping. (Red snapper here)
	Tried 'old spare' unit same problems.
	Battery voltage low: 12.3
	Setup crew had put one of the more discharged batteries here
	is my guess and didn't put it on a pv (same as other sites).
	I took one of the older panels and put it directly on this
	battery without a charger and hope that boosts it enough.
	Reinstalled original zapper.
	Still no light on the charger and the fence is dead to touch,
	but the pulser is making noise and I saw voltage pulsing on the
	terminals.  This unit appeared to work from the good, 13.5v 
	system battery as a test.
	BVoltage should rise enough to do some good by tomorrow.
	Basic problem is poor ground / conductivity / and rubber sole
	shoes.
	Saw 4 horses near the station.


5) Goes check
	We've had low sigstr for many days, but no data loss.
	Wattmeter connected and showed 10W forward 0 refl.
	ie good.
	Noticed in data later that while the meter was inline
	the reported SigStr was good but after removing it,
	the SigStr dropped back to mid-30's.....very strange.

	Perhaps a wierd connector problem on cable/antenna but
	i couldn't see anything unusual.
	Also note that this has one of the old surge arresters
	which had been a problem at 7...coincidence perhaps.

9Jul06 11:45-12:15

Purpose: HFT has been glitching at night
	New sensors received from Boulder last night.

	Disconnected, but left installed in soil: H983213
	Installed H983211

	Verified via rserial data consistency.

4jul06 14:00

Examined hft, nothing unusual in wiring that i can tell although resistor inside cable could be issue.  Symptom is glitching at night when the flux goes positive....Still happening.
May need to replace the hft.

Site 3 (ENE)

The soil moisture probe and soil properties probe were turned to a vertical orientation. The soil heat flux probe was reseated as a test towards the elimiation of the erratic nighttime behavior of unknown origin.

3Jul06 14:50 - 15:50

Purpose: station was 'down'

Put a new TP01 connector in the logger: should be working now.

A six-point average of TRIME soil moisture at Site indicated 8.7%. The station is reading about 12% from the echo probe, which is about 4-5 times higher than the other three flux sites. Thus, this measurement corroborates a relatively high value. No other TRIME measurements have been taken.

2Jul06, 9:30-10:30 MST

TP01 glitch problem appears to be a broken ground pin between the 10v regulator and the amp connecotr.

THIS IS EXACTLY THE SAME PROBLEM AS WHAT CAUSED SO MUCH GRIEF AT 'WEST' IN TREX....IMPROVE/FIX ALL OF THEM FOR NEXT TIME!