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Virginia Water Central [PDF]

open access: yes, 2014
This newsletter features articles on water-related science, policy, and law. Distributed to state agency representatives, faculty, students and interested citizens, it aims to provide current information, statistics, news, and notices related to water ...
Virginia Water Resources Research Center
core   +25 more sources

Acute toxicity of total ammonia to Macrobrachium rosenbergii postlarvae at different salinity levels [PDF]

open access: yesBrazilian Journal of Biology
Nitrogen compounds, particularly ammonium, nitrite and nitrate, are a major problem in shrimp production systems. These compounds can accumulate in the aquatic environment and reach harmful or even lethal levels.
J. H. S. Motta   +7 more
doaj   +1 more source

Hydrological and chemical water regime in the catchments of Bystra and Sucha Woda, in the Tatra National Park [PDF]

open access: yesActa Scientiarum Polonorum. Formatio Circumiectus, 2018
The chemical composition of surface water and groundwater is subject to constant changes, which result primarily from meteorological factors (for instance, size and intensity of atmospheric precipitation), hydrological factors (for instance, the degree ...
Monika Sajdak   +3 more
doaj   +1 more source

Chiral Water-Soluble Molecular Capsules With Amphiphilic Interiors

open access: yesFrontiers in Chemistry, 2022
We present the synthesis of new chiral water-soluble dimeric capsules by the multicomponent Mannich reaction between charged amino acids (glutamic acid or arginine), resorcinarene, and formaldehyde and by subsequent self-assembly.
Arkadiusz Marek Sakowicz   +1 more
doaj   +1 more source

Accounting for instream lakes when interpolating stream water chemistry observations [PDF]

open access: yes, 2011
Direct monitoring of stream water chemistry is an increasingly important tool for securing stream water quality and assessing stream ecological functioning as it relates to overall ecosystem health.
Temnerud, Johan   +2 more
core   +1 more source

Hydrogeochemistry of Two Major Mid-hill Lentic Water Bodies for Irrigation of the Central Himalaya, Nepal

open access: yesEnvironment and Natural Resources Journal, 2023
The concentration and composition of different salts in natural water bodies determine the water quality for various purposes. This study assesses the water quality of two mid-mountain lentic water bodies, Lake Phewa and Kulekhani Reservoir.
Babi Kumar Kafle   +10 more
doaj   +1 more source

Speleogenesis in a lens of metamorphosed limestone and ankerite: Ochtiná Aragonite Cave, Slovakia

open access: yesInternational Journal of Speleology, 2021
The Ochtiná Aragonite Cave (Western Carpathians) represents an unique natural phenomenon. It originated under particular lithological and hydrogeological conditions of the Ochtiná Karst in which several isolated lenses of Paleozoic crystalline limestone (
Pavel Bella   +9 more
doaj   +1 more source

Geochemical characteristics of rare earth elements in groundwater of Banji Coal Mine

open access: yes能源环境保护, 2023
Rare earth elements possess stable and similar geochemical properties, making them widely utilized in the study of groundwater-aquifer interactions and geochemical processes.
DU Shaoneng   +5 more
doaj   +1 more source

WATER CHEMISTRY IN DIFFERENTLY FERTILIZED CARP POUNDS [PDF]

open access: yesCroatian Journal of Fisheries, 1997
Water chemistry in carp ponds - fry carp ponds, each of them 2.5 acres big and 1.5 meter deep, as well as in inflow water in the ponds was researched. Fourty days old carp fingerlings were bread in the ponds; stock density of the three day old larvae was
Krešimir Fašaić   +3 more
doaj  

Synthesis of limnological data from lakes and ponds across Arctic and Boreal Canada

open access: yesArctic Science, 2018
A compilation of published and new limnological data from 1489 shallow lakes and ponds in northern Canada, sampled between 1979 and 2009, revealed significant patterns that correlated with landscape features and climate.
Stefana Aurora Dranga   +2 more
doaj   +1 more source

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