Results 31 to 40 of about 5,730,086 (191)

Scanning Parametric Sediment Echosounder as Tool for Underwater Archaeological Prospection

Archaeological Prospection, EarlyView.
ABSTRACT Underwater cultural heritage 3D prospection techniques, especially for remains that are partly buried in the ground, are only very rarely available and often can only be applied with considerable technical effort. To overcome this limitation, we evaluate a methodological adaption of widely used and available single channel parametric sediment ...
Dennis Wilken, Philipp Held, Jacob Geersen, Marcel Bradtmöller, Peter Feldens, Jens Schneider v. Deimling   +5 more
wiley   +1 more source

Developmental and Behavioral Effects of Arsenobetaine in Zebrafish (Danio rerio)

Journal of Applied Toxicology, EarlyView.
ABSTRACT Arsenobetaine (AsB) is a prevalent organoarsenical in aquatic environments and is generally regarded as nontoxic. Despite its widespread occurrence, the developmental and neurobehavioral toxicity of AsB has not been systematically investigated.
Sravan Kumar Putnala, Prerita Sharma, Prannav Jain, Samira Leila Baldin, Owen Luo, A. K. M. Munzurul Hasan, Md Helal Uddin, Mahesh Rachamalla, Som Niyogi   +8 more
wiley   +1 more source

Geogenic factors as drivers of microbial community diversity in soils overlying polymetallic deposits [PDF]

, 2015
This study shows that the geogenic factors landform, lithology, and underlying mineral deposits (expressed by elevated metal concentrations in overlying soils) are key drivers of microbial community diversity in naturally metal-rich Australian soils with
Gregg, A., Wakelin, S., Wakelin, Steven A., Pohrib, R., Reith, F., Pohrib, Rebecca, Gregg, Adrienne L., Zammit, C., Reith, Frank, Zammit, Carla M.   +9 more
core   +1 more source

Geochemical evolution and mechanisms controlling groundwater chemistry in the transboundary Komadugu–Yobe Basin, Lake Chad region: An integrated approach of chemometric analysis and geochemical modeling

Journal of Hydrology: Regional Studies
Study region: The study is conducted in the transboundary Komadugu–Yobe Basin, Lake Chad region, a critical groundwater resource shared across national boundaries of Nigeria and Niger Republic. Study focus: The research investigates geochemical evolution
Abdulrahman Shuaibu, Robert M. Kalin, Vernon Phoenix, Ibrahim Mohammed Lawal   +3 more
doaj   +1 more source

Occurrence and Concentration of Heavy Metals in a Rural Spring in South-eastern Nigeria

Journal of Applied Sciences and Environmental Management, 2018
Water is essential for life on earth and its quality is important for health and economic development; seasons, anthropogenic influences and natural processes affect the chemical composition of water.
ED Anyanwu, OG Onyele
doaj   +1 more source

The German Soil Systematics and the Rationale Behind Its Revision

Journal of Plant Nutrition and Soil Science, EarlyView.
ABSTRACT Background The German Soil Systematics is a pedogenetic classification based on the morphological expressions of pedogenic processes and has been developed over several stages since 1952. The system has successfully been in use for soil classification and soil survey for almost 70 years.
Einar Eberhardt, Karl Stahr, Peter Schad, Alexander Gröngröft   +3 more
wiley   +1 more source

Standard-based normalization and hierarchical clustering for regulatory interpretation of groundwater quality in a mineralized aquifer system, Eastern Ukraine

H2Open Journal
Groundwater quality in mineralized aquifer systems often reflects the combined influence of natural geochemical processes and anthropogenic contamination.
Yevgen Zbykovskyy, Iryna Shvets
doaj   +1 more source

Mercury cycling during the last glacial period in Arctic Lake El'gygytgyn, NE Russia

Journal of Quaternary Science, EarlyView.
ABSTRACT Tectonic processes play a key role in the global mercury (Hg) cycle on geological timescales, by mobilising Hg from deep Earth reservoirs to the surface. These natural fluxes also introduce a dynamic component to the terrestrial Hg cycle that can interact with other environmental signals and influence Hg delivery to sedimentary records.
Alice R. Paine, Joost Frieling, Bernd Wagner, Martin Melles, Volker Wennrich, Tamsin A. Mather, Stuart A. Robinson, David M. Pyle   +7 more
wiley   +1 more source

Climate and Anthropogenic Perturbations Impact Stream Geochemistry

Earth's Future
Climate and anthropogenic perturbations, including warming temperatures, shifting precipitation patterns, and changes in contamination, can alter geochemical reactions that shape stream chemistry.
S. Warix, A. Navarre‐Sitchler, K. Singha   +2 more
doaj   +1 more source

The occurrence of geogenic fluoride in shallow aquifers of Kenya Rift Valley and its implications in groundwater management

Ecotoxicology and Environmental Safety, 2022
Widespread concerns about high-fluoride groundwater and their health risks have been raised worldwide. Weathering of volcanic minerals is regarded as a principal source of groundwater fluoride in regions with volcanic bedrocks.
Njagi Felix Mwiathi, Xubo Gao, Chengcheng Li, Abdur Rashid   +3 more
doaj   +1 more source