SEPHAS: Instrumentation

Table 1. Table of sensors and measurement parameters

Abbreviation Instrument Measurement Parameter

1

CO2

CO2 sensor

CO2 concentration

2

DPHP

Dual-Probe Heat Pulse

temperature, thermal properties, soil water content

3

DTS Loops

Distributed Temperature Sensing Loops (BRUGG BRUSteel Fiber Optic (4F) Cable)

soil temperature

4

DTS Pole

Distributed Temperature Sensing Pole (AFL Telecommunications Fiber Optic (1F) Cable)

soil temperature

5

ECH2O-TE

Decagon Soil Moisture Sensor

soil electrical conductivity, water content, and temperature

6

FDR

Frequency Domain Reflectometry Probe (CS616)

soil water content

7

HDU

Heat Dissipation Unit

temperature, soil water potential

8

HFP

Heat Flux Plates

ground conduction

9

MRT

Mini Rhizotron Tube

soil and root imagery

10

NAT

Neutron Access Tube

soil water content

11

SET

Settlement Plate

settlement

12

SoilT

Soil Thermistor

soil temperature

13

SSAP

Soil Surface Alteration Probe

settlement, wind erosion

14

SSS

Stainless steel Solution Sampler

soil solution

15

TCAV

Averaging Thermocouple

soil temperature

16

TDR

Time Domain Reflectometry Probe

soil water content

17

TPHP

Tri-Probe Heat Pulse

thermal properties, soil water content and temperature

Table 2. Frequency of data collection for instruments.

Instrument Frequency

CO2

15 min

DPHP

3 hr

ECH2O-TE

1 hr

FDR

15 min

HDU

1 and 24 hr

HFP

15 min

SCALE

15 min

SoilT

15 min

TCAV

15 min

TDR

1 and 3 hr

TPHP

1 hr

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