Field Notes
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Tonzi/Vaira: 2003-11-07 09:00:00 (DOY 311)
Author: LiuKang Xu
Others:
Summary: First heavy rain of the season, Vaira solar controller burned - replaced, Oak DBH expand quickly after rain.
When: Nov 7 & 10, 2003 d311 &314 Mr. Tonzi told me that cow would be in his ranch in any days, we want to make sure everything in the field is cow-proof. Tonzi site: Tower EC, floor EC and CO2 profiles running pretty good. Outputs from gillsonic gave right values. At floor I connected 7th and 8th solar panel to the power system, so we have more power for the rain season. On Nov 10, PV reading at tower 13.7, 0, and 4.0. At floor, 13.3, 18.1, and 2.4 at 11:50. Vaira site. On Nov 7, the PV regulator burned. It probably occurred about two days ago (around noon time on Nov 5) based on the system voltage data. Informed Ted, and he replaced it with new regulator on Nov 8. On Nov 10, I went to site again, everything running great. PV reading 12.8, 20.7 and 2.6. The system is still running on 6 solar panels. But fence wire on the west site was broken, I fixed. After the rain event during the weekend, we got lot of moisture in the soil and oak bole expanded a lot. See below for the reading. Soil moisture reading:
Dendrometer reading
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0 photos found
16 sets found
No data found for TZ_Fenergy.
11 TZ_tmet graphs found
No data found for TZ_soilco2.
Can't check TZ_mixed
3 TZ_mixed graphs found
No data found for TZ_fflux.
8 TZ_fmet graphs found
No data found for TZ_tram.
No data found for TZ_co2prof.
No data found for TZ_irt.
1 TZ_windprof graphs found
No data found for TZ_tflux.
2 TZ_sm graphs found
Can't check TZ_met
1 TZ_met graphs found
Can't check TZVR_mixed
No data found for TZ_osu.
No data found for TZ_fd.