Zobrazeno 1 - 10
of 3 276
pro vyhledávání: '"Oxygen-18"'
Autor:
Vadim Yapiyev, Nurlan Ongdas, Sylvia Pinkerneil, Kanat Samarkhanov, Arman Kabdeshev, Yergali Karakulov, Murat Muzdybaev, Aksholpan Atalikhova, Catalin Stefan, Jay Sagin, Milovan Fustic
Publikováno v:
Data in Brief, Vol 54, Iss , Pp 110360- (2024)
This work presents the dataset of stable water isotopes of oxygen and hydrogen measured in water samples from different sources (precipitation, surface water, groundwater, tap water) across Kazakhstan from 2017 to 2018 and from 2020 to 2023. The data
Externí odkaz:
https://doaj.org/article/2260b2b8c7a14c9ab04237f7325f4070
Publikováno v:
Journal of Hydrology: Regional Studies, Vol 52, Iss , Pp 101711- (2024)
Region: New Zealand Focus: Application of a seasonal precipitation isoscape for New Zealand, to incorporate influences of regional scale atmospheric circulation, and local topography. New hydrological insights: Our regionally calibrated sinusoidal mo
Externí odkaz:
https://doaj.org/article/1efcc79c895d409d8304f7a2551b52b0
Publikováno v:
Hydrology, Vol 11, Iss 8, p 118 (2024)
Stable isotope abundances (δ18O and δ2H) in regional aquifers can provide important paleoclimate information. However, identifying paleoclimate signals can be complicated by cross-formational mixing and, potentially, by isotopic diffusion between a
Externí odkaz:
https://doaj.org/article/11d1a530ad44441390cb59c89c272afc
Publikováno v:
Revista Ambiente & Água, Vol 17, Iss 6, Pp 1-11 (2022)
Man has profoundly modified the upper valley of the Uruguay River and its basin. The plains of these valleys and the lower areas of the hills have been modified for agricultural production, leaving small patches of wild forest on the tops of the hill
Externí odkaz:
https://doaj.org/article/6de18ab0310e46608353c016356f39f8
Publikováno v:
Discover Water, Vol 2, Iss 1, Pp 1-16 (2022)
Abstract Stable isotopes of water allow researchers to examine water pathways and better understand spatial and temporal variability in mixtures of municipal water sources. In regions such as Kyiv (Ukraine), with a water supply that is vulnerable to
Externí odkaz:
https://doaj.org/article/108cc81550124ed2bd9c390a758a00bb
Akademický článek
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Publikováno v:
Zanco Journal of Pure and Applied Sciences, Vol 35, Iss 3 (2023)
The average time of input water needs to recharge the groundwater basin and reach a catchment outlet, whether it follows a vertical or horizontal flow direction, is known as the mean residence time (MRT). This study aims to identify the theory concep
Externí odkaz:
https://doaj.org/article/75b65b9460c246b0bb6ef3f50450b5bf
Publikováno v:
Catalysis Communications, Vol 179, Iss , Pp 106697- (2023)
The synthesis of dimethyl carbonate (DMC) from carbon dioxide and methanol was studied over a ceria- zirconia mixed metal oxide. When using oxygen-18 labeled ceria-zirconia, no oxygen-18 labeled DMC or water was observed. On the other hand, using oxy
Externí odkaz:
https://doaj.org/article/7b19e4279578488aa96efccb732a9bcf
Publikováno v:
Frontiers in Earth Science, Vol 11 (2023)
Glacier melt provides an important source of freshwater, particularly during dry years and late in the summer, after most of the seasonal snow has melted. Glaciers are losing mass in most of the world’s mountain regions, which leads to uncertaintie
Externí odkaz:
https://doaj.org/article/dfd44e589f24487bb52ef0c1356816a8