Field Notes

<--2018-05-23 10:00:00 | 2018-06-26 10:30:00-->
Other sites visited today: Twitchell Alfalfa | East End | Tonzi | Tonzi
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Vaira: 2018-06-05 10:00:00 (DOY 156)
Author: Joe Verfaillie
Others: Siyan, Ana, Miriam

Summary: Installed soil co2 batteries, fixed air pressure, standard fieldwork

Vaira
2018-06-05

I arrived at about 10:00 with Siyan, Ana and Miriam. It was sunny and warm with a variable breeze. The grass is mostly brown and dry.

I installed the batteries and action packer from Twitchell Alfalfa as the soil CO2 battery bank sn BB-VR_soilco2. The damaged battery is still there and I need to bring a disposal bag for it.

I did the regular data collection and Siyan did the regular fieldwork including clip plots. I noticed that the air pressure was reading low and discovered a broken wire at the multiplexor. Reconnecting the wire fixed the air pressure.

There were lots of spider webs on the sonic and IRGA. Cleaning them of did not seem to make much difference in the readings.

The USB drive I installed in the 7550 might have been the one from Twitchell Alfalfa that still has data on it.

The phenocam seems to have collected a complete set of photos this time. I install a new Transcend 133x card in the CR1000.

The door of the soil co2 box had been left ajar last time â€“ I closed it.

We did not visit the pond.

Field Data

No tank data

Well Depth

Date	Location	Depth (feet)
2018-06-05	TZ_floor	19.3
2018-06-05	TZ_road	28
2018-06-05	TZ_tower	23.3

mode = both
Moisture Point Probes TZ
Array ( [0] => Tower_1 [1] => Floor_South_1 [2] => Floor_East_1 [3] => Floor_West_1 [4] => Soil_Transect_4_1 [5] => Soil_Transect_3_1 [6] => Soil_Transect_2_1 [7] => Soil_Transect_1_1 [8] => SoilCO2_West_A_1 [9] => SoilCO2_West_B_1 [10] => SoilCO2_West_C_1 [11] => Tower_2 [12] => Floor_South_2 [13] => Floor_East_2 [14] => Floor_West_2 [15] => Soil_Transect_4_2 [16] => Soil_Transect_3_2 [17] => Soil_Transect_2_2 [18] => Soil_Transect_1_2 [19] => SoilCO2_West_A_2 [20] => SoilCO2_West_C_2 [21] => Tower_3 [22] => Floor_South_3 [23] => Floor_East_3 [24] => Floor_West_3 [25] => Soil_Transect_4_3 [26] => Soil_Transect_3_3 [27] => Soil_Transect_2_3 [28] => Soil_Transect_1_3 [29] => SoilCO2_West_A_3 [30] => SoilCO2_West_B_3 [31] => SoilCO2_West_C_3 [32] => Tower_4 [33] => Floor_South_4 [34] => Floor_East_4 [35] => Floor_West_4 [36] => Soil_Transect_4_4 [37] => Soil_Transect_3_4 [38] => Soil_Transect_2_4 [39] => Soil_Transect_1_4 [40] => SoilCO2_West_A_4 [41] => SoilCO2_West_B_4 [42] => SoilCO2_West_C_4 )

0000

Date	DOY	Rep	Depth	Tower_1	Floor_South_1	Floor_East_1	Floor_West_1	Soil_Transect_4_1	Soil_Transect_3_1	Soil_Transect_2_1	Soil_Transect_1_1	SoilCO2_West_A_1	SoilCO2_West_B_1	SoilCO2_West_C_1	Tower_2	Floor_South_2	Floor_East_2	Floor_West_2	Soil_Transect_4_2	Soil_Transect_3_2	Soil_Transect_2_2	Soil_Transect_1_2	SoilCO2_West_A_2	SoilCO2_West_C_2	Tower_3	Floor_South_3	Floor_East_3	Floor_West_3	Soil_Transect_4_3	Soil_Transect_3_3	Soil_Transect_2_3	Soil_Transect_1_3	SoilCO2_West_A_3	SoilCO2_West_B_3	SoilCO2_West_C_3	Tower_4	Floor_South_4	Floor_East_4	Floor_West_4	Soil_Transect_4_4	Soil_Transect_3_4	Soil_Transect_2_4	Soil_Transect_1_4	SoilCO2_West_A_4	SoilCO2_West_B_4	SoilCO2_West_C_4	Spacial Count
2018-06-05	156	0	nan	6.2	0.1	12.7	11.1	1	0.6	5.1	0.3	13.2	8	4.7	13	10.3	11.2	10.8	9.7	15.5	13	5.1	9.2	12.7	15.9	14.3	13.7	14.3	10.1	15.6	18.7	15.8	18.4	15.9	14.3	20.5	17.9	17	21.8	13.9	17.3	31.4	13.6	19.3	20.8	25.4
2018-06-05	156	1	nan	6.5	1.9	13.2	9.7	1.2	0.4	5	0.6	13.2	7.4	5	13	10.3	12.1	10.3	10	15.8	13.2	5.1	9.2	12.7	16.5	14.3	14.3	13.4	10.1	16.2	18.7	15.4	17.3	15.9	13.7	20.2	17.9	17	21.9	13.9	17.9	31.2	14.2	19.4	18.5	24.8
2018-06-05	156	Avg	0-15cm																																												0
2018-06-05	156	Avg	15-30cm																																												0
2018-06-05	156	Avg	30-45cm																																												0
2018-06-05	156	Avg	45-60cm																																												0

mode = both
Moisture Point Probes VR
Array ( [0] => Flux_Tower_1 [1] => Gate_1 [2] => Biomass_Cage_1 [3] => Solar_Panels_2 [4] => Flux_Tower_2 [5] => Gate_2 [6] => Biomass_Cage_2 [7] => Solar_Panels_3 [8] => Flux_Tower_3 [9] => Gate_3 [10] => Biomass_Cage_3 [11] => Solar_Panels_4 [12] => Flux_Tower_4 [13] => Gate_4 [14] => Biomass_Cage_4 [15] => Solar_Panels_1 )

0000

Date	DOY	Rep	Depth	Flux_Tower_1	Gate_1	Biomass_Cage_1	Solar_Panels_2	Flux_Tower_2	Gate_2	Biomass_Cage_2	Solar_Panels_3	Flux_Tower_3	Gate_3	Biomass_Cage_3	Solar_Panels_4	Flux_Tower_4	Gate_4	Biomass_Cage_4	Solar_Panels_1	Spacial Count
2018-06-05	156	0	nan	1.2	10	2.4	9.3	9.3	5.7	7.5	14	5.3	7	16.5	29.4	15.9	20.6	19.9
2018-06-05	156	1	nan	0.9	9.7	3.3	9	9.3	5.7	7.5	14.5	4.2	7.6	17	37.4	15.8	21.3	19.3	6.8
2018-06-05	156	Avg	0-15cm																	0
2018-06-05	156	Avg	15-30cm																	0
2018-06-05	156	Avg	30-45cm																	0
2018-06-05	156	Avg	45-60cm																	0