Results 31 to 40 of about 280,186 (167)

Effects of Summer and Autumn Drought on Eutrophication and the Phytoplankton Community in Dongting Lake in 2022

open access: yesToxics, 2023
Since July 2022, the Yangtze River basin has experienced the most severe hydro-meteorological drought since record collection started in 1961, which has greatly affected the ecological environment of the Dongting Lake (DTL) basin.
Guanghan Yan   +7 more
doaj   +1 more source

Phytoplankton Diversity and Community Stability Under Nutrient Reduction and Early-Stage Ecological Regulation in a Large Eutrophic Lake

open access: yesDiversity
Many lakes worldwide, including in China’s Yangtze River Basin, face eutrophication, which reduces phytoplankton diversity and increases bloom risk.
Fen Zhang   +6 more
doaj   +1 more source

Contaminants in drinking water [PDF]

open access: yesBritish Medical Bulletin, 2003
An adequate supply of safe drinking water is one of the major prerequisites for a healthy life, but waterborne disease is still a major cause of death in many parts of the world, particularly in children, and it is also a significant economic constraint in many subsistence economies.
John, Fawell, Mark J, Nieuwenhuijsen
openaire   +2 more sources

How effective is river restoration in re-establishing groundwater–surface water interactions? – A case study [PDF]

open access: yesHydrology and Earth System Sciences, 2015
In this study, we investigated whether river restoration was successful in re-establishing groundwater–surface water interactions in a degraded urban stream.
A.-M. Kurth, C. Weber, M. Schirmer
doaj   +1 more source

Removal of Carbamazepine in Aqueous Solution by CoS2/Fe2+/PMS Process

open access: yesMolecules, 2022
Carbamazepine (CBZ), as a typical pharmaceutical and personal care product (PPCP), cannot be efficiently removed by the conventional drinking water and wastewater treatment process.
Tingting Wu   +3 more
doaj   +1 more source

A physically based analytical model of flood frequency curves

open access: yesGeophysical Research Letters, 2016
Predicting magnitude and frequency of floods is a key issue in hydrology, with implications in many fields ranging from river science and geomorphology to the insurance industry.
S. Basso, M. Schirmer, G. Botter
doaj   +1 more source

Global Distribution of Anaerobic Ammonia Oxidation (Anammox) Bacteria – Field Surveys in Wetland, Dryland, Groundwater Aquifer and Snow

open access: yesFrontiers in Microbiology, 2019
The discovery of anaerobic ammonia oxidation (anammox) expanded our knowledge on the microbial nitrogen cycle. Previous studies report that anammox bacteria are distributed in a wide range of habitats and plays significant roles in the global nitrogen ...
Yu Wang   +5 more
doaj   +1 more source

From Flood to Drip Irrigation Under Climate Change: Impacts on Evapotranspiration and Groundwater Recharge in the Mediterranean Region of Valencia (Spain)

open access: yesEarth's Future, 2021
Agricultural irrigation is the major water consumer in the Mediterranean region. In response to the growing pressure on freshwater resources, more efficient irrigation technologies have been widely promoted.
S. Pool   +7 more
doaj   +1 more source

Lead in drinking water [PDF]

open access: yesCanadian Medical Association Journal, 2008
The presence of lead in drinking water is not a new problem. Lead was historically used to produce pipes to carry water and later to solder iron and copper pipes. It is a ubiquitous heavy metal that has been used for centuries as a constituent in various products such as face powder, ceramic ...
openaire   +2 more sources

Cumulative deviation from moving mean precipitation as a proxy for groundwater level variation in Wisconsin

open access: yesJournal of Hydrology X, 2019
Groundwater management questions often require understanding how water levels respond to precipitation. However, direct observations of precipitation alone rarely explain variation in water levels.
Robert A. Smail   +3 more
doaj   +1 more source

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