Field Notes

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Sherman Island: 2008-05-16 00:00:00 (DOY 137)
Author: Matteo Detto
Others: Ted

Summary: Tractor on field passed very close to tower; after mowing, methane fluctuated.

Sherman Island - Methane Study

Date

16 may 2008

DOY

137

Standard Time in

Time out

Who: MD & Ted

Weather: Clear sky, very hot, light wind

Phenology: weed blooming (but farmer is mowing )

Check list

Fence and gate

OK

Gill sonics

w

-0.2

Ts

35.6

u

1.7

H20

3.5

v

2.6

CO2

1.9

dir

N/W

CH4

1.8

Methane Sensor (type Scroll Scroll esc)

Hi-flow ppm

1.84

Cell Pressure ~ 159 Torr

143.6

Mirror time > 12 msec

14.4

Sample rate 10Hz

10Hz

Low flow. put back in Hi-flow 10Hz!

Pump hours

Filter Status

Water traps

Air conditioning

Shelter temperature °F

Datalogger

Batt volt ~12V

fan of air temp/RH sensors

Radiometric sensors

Rain Gauge


Additional Tasks

Water table depths (decimal feet from top of well casing)

Note: Outside wells require regular screwdriver to open cap

inside

Off-south

Off-North

Vegetation height outside of enclosure – 20 samples (inches)

If Swapping Li-7500 Analyzer

Remove SN#

Install SN#

Other Notes:

1:29 PM, 1:33 PM, 1:42 PM, tractor passed very closed to tower

after mowing methane passed from 1.84 to 1.78 PPM

3 photos found

People in the field
SI_webcam_2008136_0937.jpg ( 2008-05-15 08:37:04 ) Full size: 640x480
People in the field

Mowing?
SI_webcam_2008137_1437.jpg ( 2008-05-16 13:37:04 ) Full size: 640x480
Mowing?

Mowing
SI_webcam_2008137_1507.jpg ( 2008-05-16 14:07:04 ) Full size: 640x480
Mowing

Graphs display:
7 sets found

No data found for SI_mp.
10 SI_met graphs found

Explore the graph:Solar Radiation in a new window

Explore the graph:Energy in a new window

Explore the graph:Soil Temperatures Set 1 in a new window

Explore the graph:Soil Temperatures Set 2 in a new window

Explore the graph:Soil Temperatures Set 3 in a new window

Explore the graph:Soil Temperature at -16cm in a new window

Explore the graph:Solar Radiation from CNR1 in a new window

Explore the graph:Sherman Island Rain in a new window

Explore the graph:Sherman Well Level in a new window

Explore the graph:Box Temperatures in a new window

Can't check SI_mixed
2 SI_mixed graphs found

Explore the graph:Theta Probes in a new window

Explore the graph:Sherman Island Air Temperatures in a new window

4 SI_flx graphs found

Explore the graph:Sonic Wind in a new window

Explore the graph:CH4 Concentrations in a new window

Explore the graph:Sample Counts in a new window

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

No data found for SI_soilco2.
Can't check TWSI_mixed
Can't check SIMBTWEE_met