Zobrazeno 1 - 10 of 23 pro vyhledávání: '"Jarkko Okkonen"'
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Akademický článek
Impacts of Future Climate Change and Baltic Sea Level Rise on Groundwater Recharge, Groundwater Levels, and Surface Leakage in the Hanko Aquifer in Southern Finland
Autor: Samrit Luoma, Jarkko Okkonen
Publikováno v: Water, Vol 6, Iss 12, Pp 3671-3700 (2014)
The impact of climate change and Baltic Sea level rise on groundwater resources in a shallow, unconfined, low-lying coastal aquifer in Hanko, southern Finland, was assessed using the UZF1 model package coupled with the three-dimensional groundwater f
Externí odkaz: https://doaj.org/article/44a2b1809b744b5da56080492a06999d
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2
Connection between thermal stress and frost quakes
Autor: Jarkko Okkonen, Nikita Afonin, Emma-Riikka Kokko, Elena Kozlovskaya, Kari Moisio, Roseanna Neupauer
Global warming is affecting the Arctic more significantly as it is warming faster than other places on Earth. The consequences for Arctic as well as sub-Arctic environment are not well understood. Observations in the past decades and climate change i
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::37d309423a652c24501387975ff393b0
https://doi.org/10.5194/egusphere-egu23-12531
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3
Numerical simulations of freeze/thaw cycle and its impact on groundwater recharge in sub-Arctic environment
Autor: Jere Remes, Jarkko Okkonen
In sub-Arctic environment as in Finland, soil moisture and temperature dynamics affect the development of soil frost that controls snowmelt runoff, infiltration and recharge in winter periods. This study was initiated to investigate the performance o
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::37d64e170b1c1079c22e783f081687dd
https://doi.org/10.5194/egusphere-egu23-14561
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6
Snow profile temperature measurements in spatiotemporal analysis of snowmelt in a subarctic forest-mire hillslope
Autor: Hannu Marttila, Leo-Juhani Meriö, Jarkko Okkonen, Pertti Ala-aho, Pekka Hänninen, Bjørn Kløve, Raimo Sutinen
Publikováno v: Cold Regions Science and Technology. 151:119-132
Continuous data on spatial and temporal patterns of snowmelt rates are essential for hydrological studies, but are commonly not available, especially in the subarctic, mainly due to high monitoring costs. In this study, temperature loggers were used
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::63e7e9a477279c94820c6dc73b496aaf
https://doi.org/10.1016/j.coldregions.2018.03.013
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9
Capture zone delineation methodology based on the maximum concentration: Preventative groundwater well protection areas for heat exchange fluid mixtures
Autor: Jarkko Okkonen, Roseanna M. Neupauer
Publikováno v: Water Resources Research. 52:4043-4060
Capture zones of water supply wells are most often delineated based on travel times of water or solute to the well, with the assumption that if the travel time is sufficiently large, the concentration of chemical at the well will not exceed the drink
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::9d9014ea28d2ba9175347398b8508554
https://doi.org/10.1002/2016wr018715
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10
Groundwater utilisation for energy production in the Nordic environment: an energy simulation and hydrogeological modelling approach
Autor: Juha Jokisalo, Jarkko Okkonen, Teppo Arola
Publikováno v: JOURNAL OF WATER RESOURCE AND PROTECTION. 8:642-656
Groundwater provides one option to utilise renewable energy sources. The long-term groundwater energy potential for three building complexes, situated at latitude of 64°, was investigated by combining an energy demand simulation for the buildings wi
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::dfebccccba1d6da23a900ce15171bf5c
http://juuli.fi/Record/0274665616
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