Field Notes

Twitchell Alfalfa: 2017-03-15 13:25:00 (DOY 74)
Author: Daphne Szutu
Others: Elke Eichelmann, Kyle Hemes

Summary: Regular data collection/cleaning

2017-03-15
Twitchell Alfalfa

We arrived at 13:25. it was overcast, warm, with a light wind. The alfalfa is just starting to come back. There was sheep to the west of the tower.

Kyle took soil respiration measurements.

We cleaned EC and rad sensors and collect met and USB GHG data and swapped the camera card.

Elk took veg height measurements.

LI7500 readings:
CO2 401.9 umol/mol
H2O 582.9 mmol/m3
T 20.2 Celsius
P 102.0 kPa
SS 91.4 -> 91.9 after cleaning

The bird spike on 7500 is half broken.

We left at 13:55.

Veg Height (cm): Tape measure from ground to top of plant
15, 14, 8, 10, 5, 11.5, 6, 9.5, 7, 22, 21, 6, 16, 6, 10, 9.5, 10, 8, 5.5, 11.5, avg = 10.6, stdev = 4.87

0 photos found

7 sets found

Can't check TA_met
11 TA_met graphs found