Field Notes

<--2020-05-01 12:45:00 | 2020-05-29 09:50:00-->
Other sites visited today: West Pond | Bouldin Alfalfa | Bouldin Corn

East End: 2020-05-19 14:45:00 (DOY 140)
Author: Daphne Szutu
Others: Joe

Summary: Regular data collection/cleaning, 7700 calibration, swapped 7500 for calibration, changed eddy clocks -7 min, df PAR motor dead--needs to be replaced, no photos on camera card

2020-05-19
East End

Joe and I arrived at 14:45 PDT. It was warm, breezy, and partly cloudy with large cumulus clouds. The wetland is half green. The tules were tall and seeding. Joe trimmed the plants by the rain bucket. The water level was 29 cm.

We calibrated the 7700 sn TG1-0423. The offsets were small. We also swapped the 7500 for calibration: sn 75H-2182 came off and sn 0042 went on. I sent a new configuration file, updated the pressure coefficients, and reset the 7550 box. There was a clock sync error, and another 7550 box reset solved the error. I changed the eddy clocks from 14:57 to 14:50 to match the laptop time, and then reset the 7550 box again. I confirmed the 7700 was connected and the USB was logging.

The diffuse PAR motor was dead. Joe confirmed the motor was getting power, and then disconnected the motor. We will replace it next time.

I downloaded met, USB GHG, and miniDOT data. There were no photos on the camera card. I forgot to put a new desiccant in the miniDOT before I closed it up. Joe cleaned the flux and rad sensors. He also cleaned the conductivity sensor, which was pretty clean. The wash reservoir was ½ full; we refilled it.

LI-7500 readings (sn 75H-2182 --> sn 75H-2182 after cleaning):
I forgot to write the 7500 numbers after the sensor swap to sn 0042, but they were reasonable.
CO2 402ppm --> 417
H2O 563ppm --> 461
T 23C --> 23
P 101.5kPa --> 101.5
SS 92--> 96

LI7700 readings (before calibration -->after cleaning --> after calibration):
CH4 1.98ppm --> 1.97 --> 1.88
RSSI 52--> 83--> 79

We left at 15:55 PDT.

0 photos found

Graphs display:
11 sets found

14 EE_met graphs found

Explore the graph:Temperature and Batt V in a new window

Explore the graph:Soil Moisture and Well Pressure in a new window

Explore the graph:Solar Radiation in a new window

Explore the graph:PAR in a new window

Explore the graph:Soil Heat Flux in a new window

Explore the graph:Water Level and Rain in a new window

Explore the graph:Soil/Water Temperature Set 1 in a new window

Explore the graph:Soil/Water Temperature Set 2 in a new window

Explore the graph:Soil/Water Temperature Set 3 in a new window

Explore the graph:Dissolved Oxygen and Wind Speed in a new window

Explore the graph:SRS NDVI Channels in a new window

Explore the graph:Apogee NDVI in a new window

Explore the graph:NDVI in a new window

Explore the graph:Undercanopy PAR in a new window

Can't check EE_mixed
1 EE_mixed graphs found

Explore the graph:Air Pressure and RH in a new window

8 EE_flux graphs found

Explore the graph:Wind Speeds in a new window

Explore the graph:LI7500 CO2 and H2O in a new window

Explore the graph:LI7700 CH4 and RSSI in a new window

Explore the graph:Flux Counts in a new window

Explore the graph:Instument Temperatures in a new window

Explore the graph:Temp Tower 3 (Mixed Veg) in a new window

Explore the graph:Temp Tower 3 (Mixed Veg) in a new window

Explore the graph:Temp Tower 3 (Mixed Veg) in a new window

Can't check MBWPEESWGT_mixed
No data found for EE_cam.
Can't check MBEEWPSWEPGT_cam
Can't check SIMBTWEE_met
Can't check EE_Temp
5 EE_Temp graphs found

Explore the graph:Sonic SOS in a new window

Explore the graph:LI7500 CO2 in a new window

Explore the graph:Water Level in a new window

Explore the graph:LI-7700 CH4 in a new window

Explore the graph:Wind Speed in a new window

Can't check EE_minidot
1 EE_minidot graphs found

Explore the graph:EE miniDOT Dissolved Oxygen in a new window

Can't check MBSWEEWPBCBA
1 EE_processed graphs found

Explore the graph:CO2 Fluxes in a new window