Explanatory information file for the IAEA MODARIA II tropical dataset

Field

Description

Record

Dataset record number.

Element

Chemical symbol of the element.

Radionuclide

Chemical symbol of the element and mass number of the radioactive isotope.

Common name

Common name of the plant species.

Latin name

Latin or scientific name of the plant species.

Compartment

Standardized descriptor of the measured plant compartment.

CR

Concentration ratio value relative to dry weight plant and soil.

Uncert._CR

Uncertainty in the value of CR.

N_CR

Number of measurements upon which CR is based.

Min_CR

Minimum value of CR for a reported range.

Max_CR

Maximum value of CR for a reported range.

C_plant

Concentration of the radionuclide (Bq/kg) or stable isotope (mg/kg) in the plant.

Uncert._C_plant

Uncertainty in the value of C_plant.

N_plant

Number of measurements upon which C_plant is based.

C_soil

Concentration of the radionuclide (Bq/kg) or stable isotope (mg/kg) in the soil.

Uncert._C_soil

Uncertainty in the value of C_soil.

N_soil

Number of measurements upon which C_soil is based.

Country

Name of the country where the study was conducted.

Site

Name of the study location (e.g. town, city or region) within the country.

K-G class

Köppen-Geiger climate classification of the site: tropical rainforest (Af), tropical monsoon (Am), tropical savannah (Aw).

Contamination

Type of contamination present at the site: anthropogenic radionuclides (A), natural radionuclides (N), nuclear weapons fallout radionuclides (NU), stable isotopes (SI).

Experiment

Type of experiment: field (F), lysimeter (L), pot (P).

Year

Year(s) in which plant and soil samples were collected

Growth stage

Growth stage of the plant at sampling: vegetative (V), flowering (F), ripening (R).

Dry fraction

Dry matter fraction of the plant compartment.

Preparation

Preparation of plant sample prior to analysis: washed, unwashed, brushed.

Soil depth

Depth (cm) to which the soil was sampled.

Texture

Soil textural class.

Sand

Sand content (%) of the soil.

Silt

Silt content (%) of the soil.

Clay

Clay content (%) of the soil.

OM

Organic matter content (%) of the soil.

Exch. K

Exchangeable potassium content (cmol/kg) of the soil.

Exch. Ca

Exchangeable calcium content (cmol/kg) of the soil.

Exch. Mg

Exchangeable magnesium content (cmol/kg) of the soil.

CEC

Cation exchange capacity (cmol/kg) of the soil.

pH

pH of the soil.

QC meas.

Presence (1) or absence (0) of measurement data quality control information (e.g. proficiency tests, reference materials, etc) in the source reference.

QC sampl.

Presence (1) or absence (0) of sampling method information in source reference.

QC equip.

Presence (1) or absence (0) of equipment information in source reference.

Reference

Source reference identification number.