Subarctic catchment water storage and carbon cycling : leading the way for future studies using integrated datasets at Pallas, Finland |
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Author: | Marttila, Hannu1; Lohila, Annalea2,3; Ala-Aho, Pertti1; |
Organizations: |
1Water, Energy and Environmental Engineering Research Unit, University of Oulu, Oulu, Finland 2Finnish Meteorological Institute FMI, Helsinki, Finland 3Institute for Atmospheric and Earth System Research INAR, University of Helsinki, Finland
4Ecology and Genetics Research Unit, University of Oulu, Oulu, Finland
5University of Alaska Anchorage, Anchorage, Alaska, USA 6University of the Arctic-UArctic, Rovaniemi, Finland 7Finnish Environment Institute SYKE, Helsinki, Finland 8Natural Resources Institute, Luke, Helsinki, Finland 9Department of Geological Sciences, University of Alaska Anchorage, USA 10University of Eastern Finland, Joensuu, Finland 11Structures and Construction Technology Research Unit, University of Oulu, Oulu, Finland |
Format: | article |
Version: | published version |
Access: | open |
Online Access: | PDF Full Text (PDF, 4.1 MB) |
Persistent link: | http://urn.fi/urn:nbn:fi-fe2021111555105 |
Language: | English |
Published: |
John Wiley & Sons,
2021
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Publish Date: | 2021-11-15 |
Description: |
AbstractSubarctic ecohydrological processes are changing rapidly, but detailed and integrated ecohydrological investigations are not as widespread as necessary. We introduce an integrated research catchment site (Pallas) for atmosphere, ecosystems, and ecohydrology studies in subarctic conditions in Finland that can be used for a new set of comparative catchment investigations. The Pallas site provides unique observational data and high-intensity field measurement datasets over long periods. The infrastructure for atmosphere- to landscape-scale research in ecosystem processes in a subarctic landscape has recently been complemented with detailed ecohydrological measurements. We identify three dominant processes in subarctic ecohydrology: (a) strong seasonality drives ecohydrological regimes, (b) limited dynamic storage causes rapid stream response to water inputs (snowmelt and intensive storms), and (c) hydrological state of the system regulates catchment-scale dissolved carbon dynamics and greenhouse (GHG) fluxes. Surface water and groundwater interactions play an important role in regulating catchment-scale carbon balances and ecosystem respiration within subarctic peatlands, particularly their spatial variability in the landscape. Based on our observations from Pallas, we highlight key research gaps in subarctic ecohydrology and propose several ways forward. We also demonstrate that the Pallas catchment meets the need for sustaining and pushing the boundaries of critical long-term integrated ecohydrological research in high-latitude environments. see all
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Series: |
Hydrological processes |
ISSN: | 0885-6087 |
ISSN-E: | 1099-1085 |
ISSN-L: | 0885-6087 |
Volume: | 35 |
Issue: | 9 |
Article number: | e14350 |
DOI: | 10.1002/hyp.14350 |
OADOI: | https://oadoi.org/10.1002/hyp.14350 |
Type of Publication: |
A1 Journal article – refereed |
Field of Science: |
1172 Environmental sciences 1171 Geosciences 1181 Ecology, evolutionary biology 218 Environmental engineering |
Subjects: | |
Funding: |
Academy of Finland, Grant/Award Numbers: projects 316349, 316014, 308511, 312559, 337523; K. H. Renlund foundation; Koneen Säätiö; Kvantum institute; Maa- ja vesitekniikan tuki ry; Strategic Research Council; UArctic Research Chairship. |
Academy of Finland Grant Number: |
316349 316014 337523 |
Detailed Information: |
316349 (Academy of Finland Funding decision) 316014 (Academy of Finland Funding decision) 337523 (Academy of Finland Funding decision) |
Copyright information: |
© 2021 The Authors. Hydrological Processes published by John Wiley & Sons Ltd. This is an open access article under the terms of the Creative Commons Attribution License, which permits use, distribution and reproduction in any medium, provided the original work is properly cited. |
https://creativecommons.org/licenses/by/4.0/ |