Published December 14, 2023 | Version 1
Dataset Open

Soil respiration, soil carbon, soil temperature, and soil moisture measured in urban green spaces in Helsinki during 2020-2022

Creators

  • 1. Finnish Meteorological Institute

Contributors

Supervisor:

Description

Dataset associated with Karvinen et al. (2024) article entitled "Soil respiration across a variety of tree-covered urban green spaces in Helsinki, Finland". Soil respiration CO2 flux, soil temperature, and soil moisture were measured during the growing season (May-September) in 2020-2022 at four measurement sites encompassing a variety of urban green space types commonly found in the city: a small urban forest (Forest), a managed park (Park), road verge between a roadway and a sidewalk (Streetside), and a fruit orchard (Orchard). Soil samples were collected from all measurement sites during the campaign years to determine soil density as well as soil organic carbon (SOC) and nitrogen (SON) content and stock. Article DOI: https://doi.org/10.5194/soil-10-381-2024.

Files

Karvinen_etal_2023_data_readme.pdf

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Additional details

Identifiers

URL
https://etsin.fairdata.fi/dataset/9af58c7a-cb03-46a1-ad88-7a93bc5a63a4
b2rec
f7ba414bfd3642168ac38a95835b06bc

Funding

Research Council of Finland (CarboCity, grants #325549 and 21527)
Strategic Research Council working under the Research Council of Finland (CO-CARBON, grants #335204 and 335201)
ACCC Flagship program of the Research Council of Finland (grants #337552 and 337549)
European Union's Horizon 2020 Research and Innovation program (PAUL, grant #101037319)

Instruments

Opaque chamber with CO2 probe (GMP343, Vaisala Oyj, Vantaa, Finland), relative humidity and air temperature sensor (HMP75, Vaisala), and a small fan to ensure air mixing within the chamber. The sensors were connected to a handheld reading console (MI70, Vaisala).
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Handheld soil moisture meter (PR2, Delta-T Devices Ltd., Cambridge, UK) connected to a handheld reading console (HH2, Delta-T Devices).
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Handheld soil thermometer (HH376 and Pt100, Omega Engineering Inc., Connecticut, USA).
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Elemental CN analyzer (LECO, Michigan, USA).
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FMI metadata

Lineage
Official version of processed data, for more details please read "Karvinen_etal_2023_data_readme.pdf" file and the associated Karvinen et al. (2024) article.
Platforms
Urban green space soil, on the ground level
Parameter
  • Parameter name: SOC content
  • Parameter unit: %
  • Parameter description: Soil organic carbon content measured from the soil samples with grain size smaller than 2 mm and then adjusted based on the site-specifically averaged proportion of soil with grain size larger than 2 mm assuming its C content to be zero.
  • Parameter name: SOC stock
  • Parameter unit: kg C m-2
  • Parameter description: Soil organic carbon stock calculated for the top 30 cm soil layer based on the SOC content and site-specifically averaged soil density.
  • Parameter name: SON content
  • Parameter unit: %
  • Parameter description: Soil organic nitrogen content measured from the soil samples with grain size smaller than 2 mm and then adjusted based on the site-specifically averaged proportion of soil with grain size larger than 2 mm assuming its N content to be zero.
  • Parameter name: SON stock
  • Parameter unit: kg N m-2
  • Parameter description: Soil organic nitrogen stock calculated for the top 30 cm soil layer based on the SON content and site-specifically averaged soil density.
  • Parameter name: Soil density
  • Parameter unit: kg m-3
  • Parameter name: Soil moisture
  • Parameter unit: m3 m-3
  • Parameter description: Soil moisture measured with handheld soil moisture meter (PR2) at depths of 10 cm, 20 cm, 30 cm, and 40 cm.
  • Parameter name: Soil respiration
  • Parameter unit: mg CO2 m-2 s-1
  • Parameter description: Measured momentary soil respiration CO2 flux including belowground heterotrophic and autotrophic respiration as well as aboveground autotrophic respiration of ground and field layer vegetation (low enough to fit inside the measurement chamber). Denoted as R_GF.
  • Parameter name: Soil temperature
  • Parameter unit: degC
  • Parameter description: Soil temperature measured with handheld performed with a handheld soil thermometer (HH376 and Pt100) at depth of 10 cm.
Topic category
environment

Temporal Coverage

Ranges:

Start date: 2020-05-14
End date: 2020-09-28
Start date: 2021-05-07
End date: 2021-09-30
Start date: 2022-05-06
End date: 2022-09-26