Soil_Physic_mm: Physical properties of 5mm thick soil slices

Description Usage Format Source

Description

This dataset describes the physical properties of each homogeneous horizon, divided in slice 5mm thick

Usage

1

Format

A data frame with 280 rows and 36 variables:

Date

character Date at which the sampled has been processed

Parcelle

integer Name of the site

Traitement

character Name of the treatment. PA : Polygons slightly drained, PAS : Polygons drained by a secondary ice wedge, PS : polygons close to the shore, submitted to abundant eolian silt deposition, PO : flat to high-center mesic polygons, PR : mesic meadow, 1 : low-centered, wet polygon; 4 : wet polygons fertilized yearly with 1 g.m-2 of NH4NO3; 6 : wet polygons fertilized yearly with 1 g.m-2 of NH4NO3, 10 : wet polygons fertilized yearly with 3 g.m-2 of H3PO4; 14 : wet polygons fertilized yearly with 1 g.m-2 of H3PO4 amd 5 g.m-2 of NH4NO3

Exclos

integer Fencing. Exclos : plots protected constantly by a fence; Temoin : unprotected plots

Depth_up

double Upper depth of the horizon

Depth_down

double Lower depth of the horizon

Depth_mean

double Mean depth of the horizon

Oxydo_Reduction

double Did the horizon displayed trace of oxydo-reduction?

Volume

double Volume of the horizon, cm-3

Density

double Bulk density of the horizon, g.cm-3

LOI

double Proportion of organic matter, as lost on ignition, (0-1)

V_om

double Volumic fraction of organic matter

V_oms

double Proportion of the volume of the solide attributed to organic matter

Mineral

double Proportion of mineral material (1-LOI, 0-1)

V_min

double Volumic fraction of mineral material

V_mins

double Proportion of the volume of the solide attributed to minerals

Particle_Density

double Particle density as approximated by weighting a known volume of powder, g.cm-3

Particle_Density_computed

double Particle density computed following Balland and Arp (2005), g.cm-3

Porosity

double Porosity computed using approximation of particle density (0-1)

Porosity_computed

double Porosity computed using computed particle density (0-1)

GWC

double Gravimetric Water Content, g.g-1

VWC

double Volumetric Water Content, g.cm-3

theta_sat

double Proportion of the porosity filled with water

K_solid

double Thermal conductivity of solids

K_dry

double Thermal conductivity of dry materials

K_sat

double Thermal conductivity of the saturated soil

K_e

double Impact of water content on soil thermal conductivity

K_soil

double Raw thermal conductivity of soil

VolHeatCap

double Volumetric heat capacity of soil, as a weighted mean of its components

ThermDiff

double Thermal diffusivity of soil

Geomorpho

integer A formulation of the Traitement columns focusing on discrete habitat differences

Fertilization_N

integer Specifies the quantity of N added each year in g.m-2 of NH4NO3

Fertilization_P

integer Specifies the quantity of P added each year in g.m-2 of H3PO4

Fertilization

integer A formulation of the Traitement columns with a zero to each unfertilized plots

Fertilization_P_bin

integer Binary variable indicating if the plot receive annual P fertilization

Depth

double Depth of the slice

Source

http://somewhere.important.com/


lucasdeschamps/FRQNT1.Data documentation built on Jan. 28, 2022, 7:40 p.m.