Zobrazeno 1 - 10
of 174
pro vyhledávání: '"Hannu Marttila"'
Autor:
Bähar Jelovica, Jaakko Erkinaro, Panu Orell, Bjørn Kløve, Ali Torabi Haghighi, Hannu Marttila
Publikováno v:
Ecological Indicators, Vol 160, Iss , Pp 111832- (2024)
Climate change and anthropogenic activities have impacts on fish habitat suitability, demanding more accurate modeling of species abundance for effective conservation and management. In this study, we applied Machine Learning techniques to model the
Externí odkaz:
https://doaj.org/article/c94c901d04814cd89c3e0752d294cff1
Autor:
Joy Bhattacharjee, Hannu Marttila, Eugenio Molina Navarro, Artti Juutinen, Anne Tolvanen, Arto Haara, Jouni Karhu, Bjørn Kløve
Publikováno v:
Scientific Reports, Vol 13, Iss 1, Pp 1-12 (2023)
Abstract The Nordic Bioeconomy Pathways (NBPs), conceptualized subsets of Shared Socioeconomic Pathways varying from environmentally friendly to open-market competition scenarios, can lead to plausible stressors in future for using bioresources. This
Externí odkaz:
https://doaj.org/article/ff1214b613c24acfa8c7e3b59a066d13
Autor:
Hannu Marttila, Hannu Huuki, Faisal Bin Ashraf, Epari Ritesh Patro, Seppo Hellsten, Enni Ruokamo, Santtu Karhinen, Atso Romakkaniemi, Maria Kopsakangas-Savolainen, Eva Pongracz, Zeeshan Tahir Virk, Ali Torabi Haghighi, Artti Juutinen
Publikováno v:
Environmental Research Letters, Vol 19, Iss 6, p 064071 (2024)
The change in the global energy production mix towards variable renewable energy sources requires efficient utilization of regulated rivers to optimise hydropower operations meet the needs of a changing energy market. However, the flexible operation
Externí odkaz:
https://doaj.org/article/41d20571bb344d339d41aebb670bf17b
Publikováno v:
Hydrology Research, Vol 52, Iss 6, Pp 1372-1388 (2021)
Restoration and water table control on peatlands to limit fire risk are national priorities in Indonesia. The present study was initiated at Padang Island, Sumatra, to increase understanding on peatland hydrology in the tropic. At the pilot site, wat
Externí odkaz:
https://doaj.org/article/db76dce2528948ab9b9dbfdc6d7e8361
Publikováno v:
Hydrology Research, Vol 52, Iss 6, Pp 1542-1558 (2021)
In agricultural catchments, hydrological processes are highly linked to particle and nutrient loss and can lead to a degradation of the ecological status of the water. Global warming and land use changes influence the hydrological regime. This effect
Externí odkaz:
https://doaj.org/article/e88a3cc1a61749c69aea02328fbbacef
Autor:
Ali Danandeh Mehr, Jaakko Erkinaro, Jan Hjort, Ali Torabi Haghighi, Amirhossein Ahrari, Maija Korpisaari, Jorma Kuusela, Brian Dempson, Hannu Marttila
Publikováno v:
Ecological Indicators, Vol 142, Iss , Pp 109203- (2022)
Arctic charr is one of the fish species most sensitive to climate change but studies on their freshwater habitat preferences are limited, especially in the fluvial environment. Machine learning methods offer automatic and objective models for ecohydr
Externí odkaz:
https://doaj.org/article/8b2e2e88f7c046e3a35911ff6e68ffa8
Autor:
Carlos Gonzales-Inca, Mikel Calle, Danny Croghan, Ali Torabi Haghighi, Hannu Marttila, Jari Silander, Petteri Alho
Publikováno v:
Water, Vol 14, Iss 14, p 2211 (2022)
This paper reviews the current GeoAI and machine learning applications in hydrological and hydraulic modeling, hydrological optimization problems, water quality modeling, and fluvial geomorphic and morphodynamic mapping. GeoAI effectively harnesses t
Externí odkaz:
https://doaj.org/article/b02e7cc96dee4fea8c324caaf2fc3f77
Autor:
Lauri Ikkala, Anna-Kaisa Ronkanen, Jari Ilmonen, Maarit Similä, Sakari Rehell, Timo Kumpula, Lassi Päkkilä, Björn Klöve, Hannu Marttila
Publikováno v:
Remote Sensing, Vol 14, Iss 13, p 3169 (2022)
Peatland restoration aims to achieve pristine water pathway conditions to recover dispersed wetness, water quality, biodiversity and carbon sequestration. Restoration monitoring needs new methods for understanding the spatial effects of restoration i
Externí odkaz:
https://doaj.org/article/e50248f67af34487b8a0f8e09ad0897e
Autor:
Moein Mellat, Hannah Bailey, Kaisa-Riikka Mustonen, Hannu Marttila, Eric S. Klein, Konstantin Gribanov, M. Syndonia Bret-Harte, Artem V. Chupakov, Dmitry V. Divine, Brent Else, Ilya Filippov, Valtteri Hyöky, Samantha Jones, Sergey N. Kirpotin, Aart Kroon, Helge Tore Markussen, Martin Nielsen, Maia Olsen, Riku Paavola, Oleg S. Pokrovsky, Anatoly Prokushkin, Morten Rasch, Katrine Raundrup, Otso Suominen, Ilkka Syvänperä, Sölvi Rúnar Vignisson, Evgeny Zarov, Jeffrey M. Welker
Publikováno v:
Frontiers in Earth Science, Vol 9 (2021)
Arctic sea-ice loss is emblematic of an amplified Arctic water cycle and has critical feedback implications for global climate. Stable isotopes (δ18O, δ2H, d-excess) are valuable tracers for constraining water cycle and climate processes through sp
Externí odkaz:
https://doaj.org/article/f83b0b78e1904b449e2b41257ba5491a
Autor:
Masoud Irannezhad, Saghar Ahmadian, Amin Sadeqi, Masoud Minaei, Behzad Ahmadi, Hannu Marttila
Publikováno v:
Water, Vol 14, Iss 8, p 1312 (2022)
In northern regions, like Finland, peak river discharge is principally controlled by maximum snowmelt runoff during spring (March–May). Global warming and climate change extensively influence both the quantity and temporal characteristics of peak d
Externí odkaz:
https://doaj.org/article/3d0a1bdf669f45f8bdb8e97ec5d309dc