Field notes

Riet Vell: 2026-03-24, 11:30 UTC (DOY 83)

Date & Time

24/03/26

Author

Qin

Other participants

Angèlica, Iosif

Field report

Weather:  sunny, no cloud

 

To-do list:

  • Refill li7700 water reservoir

50%left

  • Clean sensors (glassex)

done

  • Check if li7700 can get rssi higher than 76% (scratches)

Higher than 76%, no scratches anymore

  • Download met data

done

  • Download flux data

Done

We need to pull out the USB to download flux data, 4.4GB free left

  • Check clocks

Datalogger 2s ahead PC, gases 2s behind PC. CO2 the same as CH4

  • Replace li7700 cap

done

  • Download SD card Phenocam photos

Done

 

In PC400, we change the save pathway to Riet Vell, but when we download it still show Alfacada pathway. – fixed after the internet was connected.

 

Veg height: 31cm, 9.8cm, 12.1cm, 17.1cm, 21.6cm, 23.4cm

Water height: no water, very dry soil

 

Readings:

  Before cleaning sensors After cleaning sensors
LI-7500 readings
CO2 ppm 410 409.87
H20 ppm 10.41 12.16
T ºC 15.19 15.43
P kPa 102.5 102.48
SS % 98.6 99.27
LI-7700 readings
CH4 ppm 2.11 2.12
RSSI % 59 77.96