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Connections between the chemical composition and Munsel color of coastal soils in relation to the distance from the sea

Student(s):Regina Univer, Oskar Rotar, Vita Košir, Tetjana Pitsiva, Yaroslav Vasuschenko, Ivan Hniezdilov, Roosi Pehlak, Mari Lee Lumberg, Johanna Tammist
Grade Level:Secondary School (grades 9-12, ages 14-18)
GLOBE Educator(s):Päärn Paiste
Contributors:Johanna Raudsepp Laura Altin
Report Type(s):International Virtual Science Symposium Report
Protocols:Bulk Density, Soil Characterization, Soil Fertility, Soil Moisture - Gravimetric, Soil Particle Density, Soil Particle Size Distribution, Soil pH, Soil Temperature
Presentation Poster: View Document
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Date Submitted:03/09/2023
In the course of our field work, the soil composition on the northern side of the Käsmu peninsula was investigated. The research area quickly transitioned from sandy beaches into pine forests with blueberry ground cover. The geography seemed to be mainly affected by the sea, except near the third site where glacial erratic boulders could be observed. A transect was drawn from the coast with three dig sites picked alongside it, although due to rocky terrain preventing the digging, the third site was slightly offset. The sites were analysed using GLOBE pedosphere protocols. Ground temperature, cloud cover and local flora were measured. The soil was separated into layers and sampled. The composition of the samples was analysed and given its corresponding Munsell colour code. A correlation between the redness of the soil and its iron content was observed. Contrary to our hypothesis, samples from site 1 and 2 did not contain more strontium than site 3, but could be linked to changing salinity of the seawater in the study area. Our findings correlated with existing soil maps with site 1 classified as sandy soil with some biomass, site 2 podzol and site 3 as gleyed podzol.