Simulation of water and chemical transport of chloride from the forest ecosystem to the stream

Giuliana Zanchi, Lin Yu, Cecilia Akselsson, Kevin Bishop, Stephan Köhler, Jörgen Olofsson, Salim Belyazid

Research output: Contribution to journalArticlepeer-review

Abstract

The study evaluates the biogeochemical model ForSAFE-2D, designed to simulate water and chemical transport from the forest to the stream, by simulating the hydrology and the transport of the chemical tracer chloride (Cl) along a forest hillslope in Northern Sweden. The simulated Cl exports were in balance with the simulated inputs but measurements suggested a net release of Cl from the catchment. Underestimated deposition inputs (deposition peaks and possibly dry deposition) were probably and partially responsible for this mismatch. However, we could not exclude that other soil biogeochemical processes omitted in ForSAFE-2D could also contribute to Cl exports from the catchment. The study showed that ForSAFE-2D is a promising tool to better understand the factors that regulate the chemical export from the forest to the stream. The results also confirmed that there are limitations in using Cl as a tracer in forest ecosystems.

Original languageEnglish
Article number104984
JournalEnvironmental Modelling and Software
Volume138
DOIs
Publication statusPublished - 2021

Subject classification (UKÄ)

  • Oceanography, Hydrology, Water Resources
  • Environmental Sciences

Keywords

  • Chemical transport
  • Dynamic ecosystem model
  • Forest hillslope
  • ForSAFE-2D
  • Hydrology
  • Lateral flow

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