Zobrazeno 1 - 10
of 17
pro vyhledávání: '"Martin Liira"'
Publikováno v:
Estonian Journal of Earth Sciences, Vol 73, Iss 2, Pp 112-123 (2024)
This paper represents one output of the extensive seismo-acoustic profiling performed by the Estonian Geological Survey in the Väinameri, the shallow sea in the West Estonian Archipelago, during the geological mapping conducted in 2019â2022. Base
Externí odkaz:
https://doaj.org/article/81b72bb0f220407281d3b80761769b69
Autor:
Gabrielle E. Kleber, Leonard Magerl, Alexandra V. Turchyn, Kelly Redeker, Stefan Thiele, Martin Liira, Koit Herodes, Lise Øvreås, Andrew Hodson
Publikováno v:
Frontiers in Earth Science, Vol 12 (2024)
Glacial groundwater can mobilize deep-seated methane from beneath glaciers and permafrost in the Arctic, leading to atmospheric emissions of this greenhouse gas. We present a temporal, hydro-chemical dataset of methane-rich groundwater collected duri
Externí odkaz:
https://doaj.org/article/92dae62744bd4ed18009edc19c40915e
Autor:
Nil Rodes, Peter Betlem, Kim Senger, Miriam Römer, Andy Hodson, Martin Liira, Tom Birchall, Srikumar Roy, Riko Noormets, Aleksandra Smyrak-Sikora, Snorre Olaussen, Gerhard Bohrmann
Publikováno v:
Frontiers in Earth Science, Vol 11 (2023)
This study presents the first systematic observations of active gas seepage from the seafloor in the main fjords of western Spitsbergen in the Svalbard archipelago. High-resolution acoustic water column data were acquired throughout two research crui
Externí odkaz:
https://doaj.org/article/75aea2b90183421eab20145e9f011688
Publikováno v:
Minerals, Vol 11, Iss 3, p 3 (2021)
Minerals
Volume 11
Issue 1
Minerals
Volume 11
Issue 1
Mechanical activation of the calcium-rich fly ash formed in circulating fluidized bed combustion (CFBC) boilers was investigated to enhance the compressive strength performance of the pastes. We studied the effect of the activation on the physical, c
Publikováno v:
arktos. 5:49-62
Methane is the most widespread volatile hydrocarbon and one of the most potent greenhouse gases. Marine sediments form the largest methane reservoir, from where large quantities of methane from gas-saturated sediments are released into the sea water
Publikováno v:
Construction and Building Materials. 122:458-464
The potential of oil shale ash wastes as a source material for geopolymeric or alkali activated construction materials was assessed using structural, XRD, SEM, SEM-EDX, ATR-FTIR and 29 Si MAS-NMR methods. Fresh, unhydrated furnace bottom and cyclone
Publikováno v:
Fuel. 139:671-677
Oil shale is an unconventional low-calorific-value fossil fuel, the usage of which is increasing due to increasing energy demand. Today, Estonia’s oil shale usage is the largest in the world. Approximately 90% of the electricity consumed is produce
Publikováno v:
Oil Shale. 36:257
Publikováno v:
Oil Shale. 36:214
Publikováno v:
Hydrology Research. 45:368-378
Phosphorus (P) is one of the nutrients causing eutrophication in many of our waterways. In the present study, we investigated Sachtofer PR Ca-Fe oxide granules as a potential P sorption material (PSM) for constructed wetlands. We found the P sorption