NGEE Teller Bottom Notes

NGEE

Latest

• Met Data QA'd through: 9/24/2018
• Radiation Data QA'd through: 9/24/2018
• Soil through:
• Snow profile through:
• Snow through: 2016-2017 season
• Spectral through:

Met

Met 2016

• All fixed prior to start of this page... I'll go back and add notes as time allows.
• But, station put up in early April 2016 as a temporary setup on a
• Summer Precip Ends: 11/04/2016 02:00
• Need to revisit data grouper to address the pandas change with respect to NAN and averaging. 10/12/2018 (for AT/RH/DP in 2016 April)

Met 2017

• all good / corrected... same as above, I will add notes later.
• Last Winter Season Precip: 04/21/2017 18:00
• Start of Winter Season for Precip: 10/15/2017 13:00

Met 2018

• Barometric Pressure good through 6/2018 visit
• Wind Speed & Direction good through 6/2018 visit
• Air Temperature / Dewpoint / Relative Humidity good through 6/2018 visit
• Rain Gage destroyed by moose 12/25/2017.
  • Bucket fixed 6/13/2018 around 21:00 - 22:00 (tips in data were test tips with new bucket).
  • QA file reflects this.

Radiation

Radiation 2016

• all good / corrected

Radiation 2017

• all good / corrected

Radiation 2018

• SW & LW & Skin Temp look good through 6/2018 visit.

Soil

• I need to dig into the fieldbook notes to see if the VATP jacked at all in 2017.

Soil 2017

• Heat Flux plates nonworking until 10/2017

Soil 2018

• 2018 heat flux plates look decent.
  • it could be that top & bottom are flipped and also that what should be the top is actually flipped in sign?...need to compare to top.
    • 2021-05 Update: Yes I think this is true after putting all flux plates on same plot.
    • given that, need to follow up somehow and check the multiplier, too to make sure they're correct. Like, easy to change the data processing to flip the two but need to see if I need to check on if the calibration coefficient is being applied to the right one.
    • on top of all that, the wires are backwards or the plate is upside down for the upper plate.
• VATP
  • Blip during station visit at 6/13/2018 21:00

Station History / Site Downloads / visits:

September 24 & 26 2018

• B Busey / Bolton / CAS
• memory problem on logger 9/24 but due to food poisoning just downloaded data.
• returned 9/26 and upgraded the OS to latest
• resent program & readdressed.
• I don't yet know the problem here? Error in CF card perhaps? In 2019 I will replace the CF card with another.

June 13 & 15 2018

• Station Maintenance @
  • 6/13/2018 20:00 UTC
  • 6/15/2018 20:00 UTC
• B Busey & N Wales
• fixed animal damage
  • snow sensor knocked over 12/25/2017
  • tipping bucket removed probably around then, too.
• fixed program bug

April 10 2016

• Temporary station built above flood plain. Station put in at end of first snow survey trip of Teller.
• At that point this was labeled the blue site (the blue electrical tape IDed this site in the logistics phase).
• Site established around 4/10/2016
  • AT/RH
  • 4 component Radiation
  • Surface water

April 21 - May 5 1 2016

• Station visited nearly daily during ablation trip

July 2016

• LC visited and downloaded data.
• Temporary station had fallen over (knocked by an animal).

August 12 - 22 2016

• LC & B Busey improve upon site making Teller Bottom site and splitting off the Teller Surface Water Station.
• Wind Speed / Direction added
• W

Instrumentation and Heights

• AT/RH @ 1.85m
  • Vaisala HMP155
  • https://www.campbellsci.com/hmp155a
  • Temperature Range: -80 to +60 Celsius
  • Temperature Accuracy: (0.226 - 0.0028 x temperature)°C (-80° to +20°C)
  • Humidity Range: 0 to 100 % Relative Humidity
  • Humidity Accuracy: ±(1.2 + 0.012 × reading) % RH (at -40° to -20°C); ±(1.0 + 0.008 × reading) % RH (at -20° to +40°C)
• WS/WD @ 3.74m
  • RM Young 01503
  • https://www.campbellsci.com/05103-l
  • Range: 0 to 100 m/s
  • Accuracy: +-0.3m/s
  • Startup threshold: 1.0 m/s
  • Wind Direction measurement band: 0 to 355 degrees
  • Accuracy: +-3 degrees
• Snow Depth @ Tripod
  • Campbell Scientific SR50A
  • https://www.campbellsci.com/sr50a
  • Resolution: 0.25mm
  • Accuracy: +-1.0 cm
• Snow Depth @ Lump
  • Campbell Scientific SR50A
  • https://www.campbellsci.com/sr50a
  • Resolution: 0.25mm
  • Accuracy: +-1.0 cm
• Net Radiation @ 1.5m
  • Kipp & Zonen CNR4
  • https://www.campbellsci.com/cnr4
  • Shortwave Measurement Range- 305 to 2800 nm
  • Shortwave Uncertainty in total daily - < 5% (The uncertainty values are for a 95% confidence level.)
  • Longwave Measurement Range - 4500 to 42,000 nm
  • Longwave Uncertainty in total daily- < 10% (The uncertainty values are for a 95% confidence level.)
• Skin Temperature @ 1.9m:
  • Apogee Instruments SI-111
  • https://www.campbellsci.com/si-111
  • Operating Range: -55 to +80 C
  • Accuracy: ±0.2°C (-10° to +65°C) & ±0.5°C (-40° to +70°C)
  • Field of View: 22° half angle
• Summer Precipitation
  • Texas Instruments TE525MM Metric model
  • https://www.campbellsci.com/te525mm-l
  • Accuracy: 1.0% up to 50 mm/hr
• Soil Moisture
  • Stevens Hydrasense II
  • https://amarillo.nserl.purdue.edu/ceap/metadata/Stevens_Hydra_soil.pdf
  • Range Dielectric Constant: 1 = Air to 78 = Distilled Water
  • Accuracy Dielectric Constant: ±1.5% or 0.2 whichever is greater
  • Soil Moisture Range: Completely Dry to completely saturated
  • Soil Moisture Accuracy: ±0.03 water fraction by volume in typical soil
  • Conductivity Range: 0.01 to 1.5 Siemens per meter
  • Conductivity Accuracy: ±2.0% or 0.005 S/m whichever is greater
  • Temperature Range: -10 to +65 Degrees Celsius
  • Temperature Accuracy: ±0.1 Degrees Celsius
• Soil Heat Flux
  • https://www.campbellsci.com/hfp01
  • Sensitivity: 50 μV W-1 m-2 (nominal)
  • Accuracy: Within -15% to +5% in most common soils (12 hour totals)
• Snow Temperature
  • Thermistor - US Sensor PS302J2
  • https://www.littelfuse.com/~/media/electronics/datasheets/leaded_thermistors/littelfuse_leaded_thermistors_interchangeable_thermistors_standard_precision_ps_datasheet.pdf.pdf
  • Range: -80 to +75 Degrees Celsius
  • Accuracy: ±0.1 Degrees Celsius
• Backup Air Temperature
  • Thermistor - US Sensor PS302J2
  • https://www.littelfuse.com/~/media/electronics/datasheets/leaded_thermistors/littelfuse_leaded_thermistors_interchangeable_thermistors_standard_precision_ps_datasheet.pdf.pdf
  • Range: -80 to +75 Degrees Celsius
  • Accuracy: ±0.1 Degrees Celsius
• Soil Temperature
  • Thermistor - US Sensor PS103J2
  • https://www.littelfuse.com/~/media/electronics/datasheets/leaded_thermistors/littelfuse_leaded_thermistors_interchangeable_thermistors_standard_precision_ps_datasheet.pdf.pdf
  • Range: -80 to +75 Degrees Celsius
  • Accuracy: ±0.1 Degrees Celsius
• Soil thermal conductivity
  • East30 Sensors Thermal Conductivity
  • Thermal Conductivity Accuracy: ±5% (Except at soil temperature range about -1.5 to 0.0 Degrees Celsius)
  • https://www.east30sensors.com/thermalconductivity
  • Temperature Accuracy: ±0.1 Degrees Celsius
• NDVI
  • http://publications.metergroup.com/Integrator%20Guide/18310%20SRS-N%20Integrator%20Guide.pdf
  • Lower Measurement Band: 650 nm ±2 nm peak wavelengths
  • Upper Measurement Band: 810 nm ±2 nm peak wavelengths
  • 36 degree field of view
• PRI
  • http://publications.metergroup.com/Integrator%20Guide/18311%20SRS-P%20Integrator%20Guide.pdf
  • Lower Measurement Band: 532 nm ±2 nm peak wavelengths
  • Upper Measurement Band: 570 nm ±2 nm peak wavelengths
  • 36 degree field of view