Dataframe containing field measurements of soil cores to estimate compression caused by core collection.

Example dataset of field measurements of cores collected by percussion. All variables needed to estimate core compression are included. The cores ID is the same as in bluecarbon_data. sampler_length is the length of the tube or sampler introduced in the soil from top to bottom. internal_distance refers to the distance between the top of the sampler to the surface of the soil withing the sampler (the same depth or lower than the surface of the soil outside). external_distance refers to the distance from the top of the sampler to the surface of the soil outside the sampler. The reference used as "top of the sampler" is the same in the three measurements. Internal and external distances are measured after sampler insertion in the soil and before its extraction.

Usage

core_comp

Format

`core_comp`

A data frame with 78 rows and 4 columns:

core: character column with the id of the core
sampler_length: numeric column with the length of the sampler/tube used to extract the core
internal_distance: numeric column with the distance between the top of the sampler/tube and the surface of the sediment inside the sampler/tube after finishing inserting it in the soil and before extracting it
external_distance: numeric column with the distance between the top of the sampler/tube and the surface of the sediment outside the sampler/tube after finishing inserting it in the soil and before extracting it

Source

made up data