Field Notes

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Tonzi: 2019-01-04 10:30:00 (DOY 4)
Author: Joe Verfaillie
Others: Siyan

Summary: Swapped 7500s, well sensors not working, test hole for fence post, fixed chewed cable on OSU SP1 solar panel

Tonzi
2019-01-04

I arrived at about 10:30 with Siyan. It was cool but sunny with a light breeze swinging from west to south. The ground is damp but not soft. The pond is still really low.

I collected the flux data and swapped the 7500s for calibration. At the tower sn 0073 came off and sn 0042 went up.
sn 0073: 414.1ppm CO2, 265.0mmol/m3 H2O, 13.6C, 99.4kPa, 100.1SS
sn 0042: 415.6ppm CO2, 257.7mmol/m3 H2O, 12.8C, 99.3kPa, 99.8SS

At the Floor sn 75H-2514 came off and sn 0041 went up.
sn 75H-2514: 416.0ppm CO2, 325.6mmol/m3 H2O, 14.4C, 99.3kPa, 104.4SS
sn 0041: 423.4ppm CO2, 279.9mmol/m3 H2O, 13.9C, 99.3kPa, 99.7SS

Siyan collected the met data, zcams, soil moisture, dbh, and wells. The global water logger at the road well was not responding â€“ maybe dead batteries. The Floor well has been dead since we upgraded the solar power but I didnâ€™t see this until days later when I looked at the data.

I moved the solar panel shaded by the JPL equipment. I drilled new holes for the u-bolts on the upper edge of the cross plates. This allowed me the shift it down and I had to move it to the east to get some slack in the cables.

The JPL radiometer boxes have been packed with acorns by the woodpeckers. I sent photos to Gerardo. Next time I can open the boxes, clean out the acorns and pack the holes with foam.

I dug a test hole for fences post near the Floor solar system. Very red soil with a few rocks at the top, then a layer of heavy yellow clay giving way to crumbly sand/rock at the bottom. I think the hole was about 60cm deep and good enough for fence posts. I put a 2x4 in it to mark it and keep cows from stepping in it.

I was planning on splicing the solar panel cable on the OSU SP1 system where it has been chewed by cows but there was no solder in the kit. However there was enough slack to just cut off the chewed part and reattach the remaining length to the solar panel. I had to remove power from the data logger while I did this.

Field Data

No tank data

Well Depth

Date	Location	Depth (feet)
2019-01-04	VR_pond	15.7
2019-01-04	VR_well	58.3
2019-01-04	TZ_floor	30.3
2019-01-04	TZ_tower	34.9
2019-01-04	TZ_road	38.2

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

0000

Date	DOY	Rep	Depth	Tower_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_West_2	Soil_Transect_4_2	Soil_Transect_3_2	Soil_Transect_2_2	Soil_Transect_1_2	SoilCO2_West_A_2	SoilCO2_West_B_2	SoilCO2_West_C_2	Tower_3	Floor_South_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	Floor_South_1	Floor_West_3	Spacial Count
2019-01-04	4	0	nan	22	28.5	19.1	22	20.6	13.8	21.7	30.5	18.5	25.2	27.1	28.3	21.6	30.1	40.1	13	24.6	17	28.6	21.2	37.1	22.3	30.7	31.8	24.6	32.9	32.7	36	17.6	19.3	42.8	23.9	42.5	46	14.2	40	47.1	47.7
2019-01-04	4	1	nan	39.9	27.9	19.4	26.1	19.7	13.8	21.4	30.5	17.9	37.4	27.4	28	22.5	30.1	30.1	13.3	24	16.4	38.9	21.2	47.7	22.1	32.4	32.4	25.4	34.1	32.4	35.2	18.2	29.6	41.1	23.4	47.6	45.1	14.8	41.4	46.6	43.7	22	33.8
2019-01-04	4	Avg	0-15cm																																									0
2019-01-04	4	Avg	15-30cm																																									0
2019-01-04	4	Avg	30-45cm																																									0
2019-01-04	4	Avg	45-60cm																																									0

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

0000

Date	DOY	Rep	Depth	Solar_Panels_1	Gate_1	Biomass_Cage_1	Solar_Panels_2	Gate_2	Biomass_Cage_2	Solar_Panels_3	Gate_3	Biomass_Cage_3	Solar_Panels_4	Gate_4	Biomass_Cage_4	Spacial Count
2019-01-04	4	0	nan	15.6	24.7	21.4	28.3	20.3	22.8	17.9	23.2	34.6	27.9	31.4	31.1
2019-01-04	4	1	nan	15.3	24.7	16.2	28	20.3	20.6	17.6	23.5	34.1	27.4	31.1	34.1
2019-01-04	4	Avg	0-15cm													0
2019-01-04	4	Avg	15-30cm													0
2019-01-04	4	Avg	30-45cm													0
2019-01-04	4	Avg	45-60cm													0

No TZ grass heigth found

No VR grass heigth found

Tree DBH

Date	Tag#	Reading (mm)
2019-01-04	1	11.4
2019-01-04	102	16.5
2019-01-04	2	10.9
2019-01-04	245	10.3
2019-01-04	3	9.9
2019-01-04	4	11.9
2019-01-04	5	10.1
2019-01-04	7	8.3
2019-01-04	72	17.7
2019-01-04	79	15.0
2019-01-04	8	6.9