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Table 1 Nomenclature

From: Monitoring of plant water uptake by measuring root dielectric properties on a fine timescale: diurnal changes and response to leaf excision

Symbol

Meaning

A

Capacitor plate area

AC

Alternating current

C

Electrical capacitance

C*

Complex electrical capacitance

CCI

Chlorophyll concentration index

CR

Electrical capacitance of root–substrate system

d

Capacitor plate separation

D

Dissipation factor

DR

Dissipation factor of root–substrate system

Fv/Fm

Maximum quantum yield of PSII photochemistry

gs

Stomatal conductance

G

Electrical conductance

GR

Electrical conductance of root–substrate system

i

Imaginary unit

LR

Root hydraulic conductance

rELA

Ratio of excised leaf area

R

Electrical resistance

RSS

Root system size

SWC

Substrate water content

TLA

Total leaf area

ε0

Permittivity of free space

εr

Relative permittivity

εr'

Real part of permittivity

εr"

Imaginary part of permittivity

εr*

Complex relative permittivity

Φ

Impedance phase angle

ω

Angular frequency