Field Notes

<--2019-04-16 10:30:00 | 2019-05-07 09:00:00-->
Other sites visited today: Tonzi
Phenocam link: Searching...

Vaira: 2019-04-30 10:30:00 (DOY 120)
Author: Joe Verfaillie
Others: Daphne, Siyan, Kuno, Camilo, Jiangong

Summary: Regular fieldwork, Soil samples for moisture, C/N, microbial community, swapped 7500

Vaira 2019-04-30 I arrived at about 10:30 with Daphne, Siyan, Kuno, Camilo and Jiangong. It was cool and mostly cloudy. Everything was green but the grass is beginning to brown in high spots. The grass has about tripled in height since last time. The ground is dry and hard at the surface. We met Dale Vaira and his wife on their way out. They were fixing some erosion of roads near the burn and having a picnic. Daphne swapped the 7500As for calibration: sn 75H-2176 came down, sn 75H-2668 went up. She uploaded a new config file, updated the pressure coefficients, reset the 7550 box, and downloaded USB GHG data. LI-7500 readings (sn 75H-2176 --> sn 75H-2668): CO2 407ppm --> 415 H2O 512ppm --> 497 T 16.4C --> 16.8 P 99.3kPa --> 99.3 SS 103--> 101 after swap Daphne also downloaded the met data and Phenocam photos, took clip plots and veg heights. I did the soil moisture measurements. I also installed an Arable Mark unit sn A001353 at the end of the radiation boom. This is for Arable and I need to set up the CR1000 to record 5min data for them but we should be able to get the data from the unit too. We also took spectra readings but the light was pretty variable due to the clouds. The others took soil samples. Kuno found a layer of ash at about 15cm below the surface. Four levels (0-10, 10-20, 20-30, 30-40 cm) were taken in six locations surrounding the tower site. Soils will be analyzed for soil moisture, C/N and Microbial community. We went to the pond for a look see and collected the data there. The pond level was 20.76ft

Veg Height (cm): Tape measure from ground to top of plant - Measured by DS; 9 measurements each in 3 clip plot squares
46, 38, 36, 37, 23, 23, 23, 38, 43, 30, 48, 30, 43, 10, 18, 35, 29, 31, 16, 28, 29, 16, 41, 25, 13, 26, 26, avg = 29.7, stdev = 10.21

Field Data

No tank data

Well Depth

Date	Location	Depth (feet)
2019-04-30	VR_well	48.6
2019-04-30	TZ_floor	13.3
2019-04-30	TZ_road	22.55
2019-04-30	TZ_tower	17.3
2019-04-30	VR_pond	20.76

mode = both
Moisture Point Probes TZ
Array ( [0] => Tower_1 [1] => Floor_South_1 [2] => Floor_West_1 [3] => Soil_Transect_3_1 [4] => Soil_Transect_2_1 [5] => SoilCO2_West_A_1 [6] => SoilCO2_West_B_1 [7] => SoilCO2_West_C_1 [8] => Tower_2 [9] => Floor_South_2 [10] => Floor_West_2 [11] => Soil_Transect_3_2 [12] => Soil_Transect_2_2 [13] => SoilCO2_West_A_2 [14] => SoilCO2_West_B_2 [15] => SoilCO2_West_C_2 [16] => Tower_3 [17] => Floor_South_3 [18] => Floor_West_3 [19] => Soil_Transect_4_3 [20] => Soil_Transect_3_3 [21] => Soil_Transect_2_3 [22] => Soil_Transect_1_3 [23] => SoilCO2_West_A_3 [24] => SoilCO2_West_B_3 [25] => SoilCO2_West_C_3 [26] => Tower_4 [27] => Floor_South_4 [28] => Floor_West_4 [29] => Soil_Transect_4_4 [30] => Soil_Transect_3_4 [31] => Soil_Transect_2_4 [32] => Soil_Transect_1_4 [33] => SoilCO2_West_A_4 [34] => SoilCO2_West_B_4 [35] => SoilCO2_West_C_4 [36] => Soil_Transect_4_1 [37] => Soil_Transect_1_1 [38] => Soil_Transect_4_2 [39] => Soil_Transect_1_2 )

0000

Date	DOY	Rep	Depth	Tower_1	Floor_South_1	Floor_West_1	Soil_Transect_3_1	Soil_Transect_2_1	SoilCO2_West_A_1	SoilCO2_West_B_1	SoilCO2_West_C_1	Tower_2	Floor_South_2	Floor_West_2	Soil_Transect_3_2	Soil_Transect_2_2	SoilCO2_West_A_2	SoilCO2_West_B_2	SoilCO2_West_C_2	Tower_3	Floor_South_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_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	Soil_Transect_4_1	Soil_Transect_1_1	Soil_Transect_4_2	Soil_Transect_1_2	Avg	Spacial Count	Measurement Count
2019-04-30	120	0	nan	15	8.3	16.8	6.8	13.8	15.6	15	3.6	23.4	16.7	21.9	22.5	46	19.1	8.4	21.3	26	34.9	29.3	19	23.5	59.2	25.1	29.6	27.1	31	39.4	50.6	43.7	25.4	39.1	56.9	22.8	42.3	44.3	46.6
2019-04-30	120	1	nan	15.6	8	13.8	6.8	6.6	14.4	14.7	2.7	23.7	17	21.6	22.2	44.8	19.1	7.8	21.6	26.2	34.6	28.2	19	23.7	53.6	26	29.3	27.1	31.5	38.5	52	43.4	25.1	38.5	49.1	23.1	42.5	44.5	48.3	4.2	10.1	16.7	10
2019-04-30	120	2	nan																				19			25.4							25.9			23.1				4.2	9.7	16.7	10.3
2019-04-30	120	Avg	0-15cm																																										0
2019-04-30	120	Avg	15-30cm																																										0
2019-04-30	120	Avg	30-45cm																																										0
2019-04-30	120	Avg	45-60cm																																										0

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

0000

Date	DOY	Rep	Depth	Solar_Panels_1	Flux_Tower_1	Biomass_Cage_1	Solar_Panels_2	Flux_Tower_2	Biomass_Cage_2	Solar_Panels_3	Biomass_Cage_3	Solar_Panels_4	Biomass_Cage_4	Flux_Tower_3	Flux_Tower_4	Avg	Spacial Count	Measurement Count
2019-04-30	120	0	nan	8.3	5.3	4.7	14.2	17.6	10.3	21.5	21.8	35.7	23.4
2019-04-30	120	1	nan	10.9	5.6	5	14.2	17.3	10.6	20.7	21.2	36.2	23.4	9.2	20.8
2019-04-30	120	2	nan		5			17.3						9.5	20.8
2019-04-30	120	Avg	0-15cm														0
2019-04-30	120	Avg	15-30cm														0
2019-04-30	120	Avg	30-45cm														0
2019-04-30	120	Avg	45-60cm														0

No TZ grass heigth found

No VR grass heigth found

No VR Tree DBH found

No water potential data found

No VR Grass Biomass data found

No VR OakLeaves Biomass data found

No VR PineNeedles Biomass data found

5 photos found

20190430VR_NewArable.jpg ( 2019-04-30 11:31:52 ) Full size: 1280x960
New Arable Mark mounted on end or radiation boom

20190430VR_KunocamiloSoilsampling.JPG ( 2019-04-30 10:41:44 ) Full size: 1920x1440
Kuno and Camilo sampling soils at Vaira.

20190430VR_SiyanJiangongSoilsampling.JPG ( 2019-04-30 11:11:22 ) Full size: 1920x1440
Siyan and Jiangong sampling soils at Vaira.

20190430VR_Soilsampling.JPG ( 2019-04-30 11:20:31 ) Full size: 1920x1440
Kuno and Camilo sampling soils at Vaira.

vaira_2019_04_30_100121.jpg ( 2019-04-30 10:58:36 ) Full size: 1296x960
Taking soil samples

Graphs display: days

9 sets found

16 VR_met graphs found

2 VR_flux graphs found

6 VR_soilco2 graphs found

2 VR_pond graphs found

Can't check TZVR_mixed
No data found for VR_fd.
No data found for VR_processed.
No data found for VR_arable.
No data found for VR_soilvue.