# Instrumentation

Last modified by Wei-Ren Ng on 2022/09/22 07:16
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Each bay contains the following set of electrical sensors:
496 Decagon 5TM soil water content and temperature sensors
496 Decagon MPS2 soil water potential and temperature sensors
48 Vaisala CARBOCAP GMM220 carbon dioxide concentration probes
12 pairs of Hukseflux HPF-1 and HPF-1SC measuring surface heat flux
12 TCAV averaging thermocouple
120 custom electrical resistivity tomography probes
15 Campbell CS451 pressure transducers
10 Honeywell Model 3130 load cells
6 Seametrics PE102 magflow meters
6 NovaLynx tipping buckets (monitoring drainage)
24 Campbell (Vaisala) HMP60 temperature & relative humidity probes
24 Apogee SQ-110 photon flux probes
24 Davis Instruments DVI7911 cup anemometer and wind vane
2 KippZonen CNR4 net radiometer
1 Campbell Scientific CSAT3 3D amemometer

Each bay contains the following set of physical samplers:
496 soil Prenart SuperQuartz water samplers
141 custom PTFE soil gas samplers
24 custom atmospheric gas samplers

All sensors and samplers are named according to their physical location within the landscape. The current convention is "up slope _ cross slope _ depth _ type". The up slope location is the physical distance, in meters, from the down stream drainage wall. The cross slope location is the physical distance, in meters, from an imaginary center line (equidistant from the edges of the structure). The depth is an integer level designation. The depth levels are as follows:
depth 1 = 5 cm from the surface (95 cm from the deck)
depth 2 = 20 cm from the surface (80 cm from the deck)
depth 3 = 35 cm from the surface (65 cm from the deck)
depth 4 = 50 cm from the surface (50 cm from the deck)
depth 5 = 85 cm from the surface (15 cm from the deck)

During sensor placement, measurements were actually taken from the surface of the deck (not the surface of the soil).

##### Sub surface instrumentation

##### Above ground instrumentation

## Sensor details, specifications, wiring diagrams, and data acquisition hardware:

- Buried in soil
  - 5TM: (Decagon) soil water content and temperature
  - MPS-2: (Decagon) dielectric water potential and temperature
  - GMM222: (Vaisala) CO2 concentration
  - TCAV: (Campbell Scientific) average soil surface temperature
  - HFP-1/SC: (Hukseflux) heat flux
  - ERT: Custom Electrical Resistance Tomography probe stacks
- Outside the slope
  - Model3130: (Honeywell) load cell
  - NovaLynx: (NovaLynx) tipping bucket
  - PE102: (SeaMetrics) flow meter
  - EX81: (SeaMetrics) flow meter
  - VALWORX: (Valworx) electronic ball valve
- Above the soil
  - HMP60: (Vaisala) relative humidity and temperature
  - SQ-110: (Apogee) photon flux
  - DVI7911 Davis Instruments cup anemometer and wind vane
  - CNR4: (KippZonen) net radiometer
  - CSAT3: (Campbell Scientific) 3D amemometer
  - ICI9640: (Infrared Cameras Inc) 640x480 infrared camera
  - SOC710VP: (Surface Optics Corp) 696x696 hyperspectral imager (128 bands)
- Other sensors used around
  - CS451: (Campbell Scientific) pressure
  - T4/T4E: (Umwelt Monitoring Systems) Soil water tension
  - WTW340: (WTW) Continuity meter
- Instruments
  - LI7000: (LI-COR) H20/CO2 infrared gas analyzer
- Processed data
  - SurfaceHeatFlux: Computed heat flux at the soil surface
- Zero Air Generator Setup
  - ZAG - Aadco Instrument model: 737-13
  - CO2 scrubber - Puregas vcd4-12-029
- Support systems
  - Above ground instrumentation masts
  - Remote sensing system
    - Camera track (Macron Dynamics Actuator)
    - Camera enclosure
  - Autosampler

#### A full list of the Calculation Notes can be viewed here

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Created by Michael Sibayan on 2022/05/03 16:48

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