Field Notes

<--2002-07-19 09:00:00 | 2002-08-01 04:40:00-->
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Tonzi/Vaira: 2002-07-25 09:00:00 (DOY 206)
Author: Dennis Baldocchi
Others:

Summary: Moved Floor 7500 closer to sonic, Mr Tonzi says fire at Tonzi in 1936, 60" of rain in 1997

When: D206, 2002, July 25
Where: Tonzi/Vaira
Who: DDB

0900 pst arrive at Vaira, mild day, light winds. Fan on T/RH is rattling

W .68
U 2.67
V 1.67
T 24.5
Q 2.25
C 1.52

Flux system seems aok.

Cows are on the range, but not near the tower. Tried to measure sonic orientation, but GPS was dead. At present North is pointing West.

Checked output of met sensors.

CR10x2. Sensors are on scale and operating, T panel 26 C, batt v 12.9

Cr 23 x3. Tair 24, Rh 38%

Downloaded data and rebooted pc.

Need to move the Licor closer to the sonic.

9:39 system back and running

power system

v=13.2
gen 12 a
load 2.8 amp.

Brought soft cloth and water and washed the Rg, Rnet and PAR sensors. There was dust on them.

We need a permanent step ladder at this site. Something to buy next time out.


Tonzi 10:00

Tower. Downloaded data

W 1.68
U 3.8
V .27
T 28.8
Q 2.3
C 1.57

Floor

W 0.16
U -.08
V .27
T 28.8
Q 2.12
C 1.5

Downloaded data.

Talked to Mr Tonzi about year to year variability of rain. 60 inches 3 years before we started!

Fire at Tonzi ranch in 1936!

Cr23x 6
T panel 25
Batt 12.6
Tair 25.9
Rh 29.8

Cr 10x5
Bat volt 11.98

Cr 23x3
Volt 12.4
Soil moist 180 to 500 mv

Cr 10x2
Tsoils 26 to 29 C

Cr 10x4
Bat v 11.93

Floor power
V 13.9
Gen 13.9 amp
Load 2.1 amp

Soil moisture

7/25/2002 7931AF 402165 574B4B 402FF3 57632 573FAA 7933FDE
0 to 15 cm 6.6 4.45 9.55 1.55 6.6 1.4 1.3 ddb
15 to 30 cm 12.5 12.1 12.4 11.4 11.65 6.2 9.6
30 to 45 cm 16 13.55 18.65 13.1 6.4 7.2 13.4
45 to 60 cm 15.4 8.1 23.45 14.2 11 17.9 19.7

Went back to Vaira with tools and moisture point ~12:00

Distance from center to center of sonic and IRGA was 40 cm. Moved the LICOR closer so the distance is now 28 cm.

No dvm at the site. We need one there.

13:00 Tonzi and dendrometer

Data are entered on spreadsheet.

0 photos found

Graphs display:
16 sets found

No data found for TZ_Fenergy.
11 TZ_tmet graphs found

Explore the graph:Tonzi Tower Met: Temperature and Power in a new window

Explore the graph:Tonzi Tower Met: Solar Radiation in a new window

Explore the graph:Tonzi Tower Met: IRT Sensors in a new window

Explore the graph:LED Sensor Incoming in a new window

Explore the graph:LED Sensor Outgoing in a new window

Explore the graph:4-Band Solar Radiation in a new window

Explore the graph:Air Temperature Profile in a new window

Explore the graph:Relativity Humidity Profile in a new window

Explore the graph:Tonzi Tower PRI in a new window

Explore the graph:SRS PRI/NDVI in a new window

Explore the graph:SRS NDVI in a new window

No data found for TZ_soilco2.
Can't check TZ_mixed
3 TZ_mixed graphs found

Explore the graph:Tonzi PPT in a new window

Explore the graph:Tonzi CO2 and H2O Densities in a new window

Explore the graph:Air Pressure in a new window

No data found for TZ_fflux.
8 TZ_fmet graphs found

Explore the graph:Soil Heat Flux in a new window

Explore the graph:Tonzi Soil Temperature Set A in a new window

Explore the graph:Tonzi Soil Temperatures Set B in a new window

Explore the graph:Tonzi Soil Temperatures Set C in a new window

Explore the graph:Tonzi Soil Temperature Set D in a new window

Explore the graph:Well Level in a new window

Explore the graph:Well Water Temperature in a new window

Explore the graph:Soil Water Potential in a new window

No data found for TZ_tram.
No data found for TZ_co2prof.
No data found for TZ_irt.
No data found for TZ_windprof.
No data found for TZ_tflux.
2 TZ_sm graphs found

Explore the graph:Floor Solar Radiations in a new window

Explore the graph:TZ Soil Moisture in a new window

Can't check TZ_met
1 TZ_met graphs found

Explore the graph:Floor and Tower RH in a new window

Can't check TZVR_mixed
No data found for TZ_osu.
No data found for TZ_fd.