Results 91 to 100 of about 262,930 (312)

Armoured mud balls as a result of ephemeral fluvial flood in a humid climate: Modern example from Guizhou Province, South China

Journal of Palaeogeography, 2014
Armoured mud balls were observed after rainfall and a short flood in the otherwise dry Xiaohe (small river) valley of Guanling County, Guizhou Province, South China, approximately 30 km southwest of Guanling City.
Gerhard H. Bachmann
doaj   +1 more source

Piracicaba river basin : mechanical and chemical erosion [PDF]

, 2003
It was carried out the characterization of the mechanical and chemical erosive processes in the Piracicaba River basin, for the period 1992-1996, in terms of the fluvial transport of dissolved and particulate materials.
Bortoletto Junior, Milton José, Mortatti, Jefferson, Probst, Jean-Luc   +2 more
core  

Tectonic denudation and topographic development in the Spanish Sierra Nevada [PDF]

, 2007
The denudation history of the rapidly uplifting western part of the Spanish Sierra Nevada was assessed using apatite fission track (AFT) ages and 10Be analyses of bedrock and fluvial sediments.
Alfaro, Anhert, Argles, Avouac, Beck, Bierman, Bierman, Braga, Brown, Brozovic, Burbank, C. Persano, Calvache, Carrapa, Chamberlain, Codilean, Dempster, Dramis, Dunkl, Dunne, Edwards, England, Fabel, Fernández, Fifield, Gabet, Galindino-Zaldívar, Gallagher, García, Garzione, Gleadow, Gosse, Granger, Granger, Granger, Gómez, Gómez-Ortiz, Hodges, Hovius, Hovius, Hubbard, Hurford, Hurford, J. F. Shroder, Jalut, Johnson, Johnson, Kapp, Keller, Kirchner, Kohl, Kuhleman, L. J. Reinhardt, Lal, Li, Lonergan, Martínez-Martínez, McClay, Mérnard, Niemi, Platt, Platt, Reinhardt, Rey, Riebe, Rodríguez-Fernández, Roering, Sanz de Galdeano, Sanz de Galdeano, Savage, Schildgen, Schmidt, Shroder, Shroder, Simón, Small, Sorkhabi, Stone, Stroeven, Sánchez, Sánchez-Marañón, T. J. Dempster, Tucker, Tucker, Van Bemmelen, Vance, Whipple, Whipple   +87 more
core   +1 more source

Comparison between fluorometry and microscopy‐based phytoplankton assessments in the Laurentian Great Lakes

Limnology and Oceanography: Methods, EarlyView.
Abstract Photosynthetic pigment fluorescence is commonly used in limnology and oceanography as a proxy for phytoplankton biomass. Fluorometry has been used to detect subsurface algal blooms, characterize dynamics of the deep chlorophyll layer, and to provide greater vertical resolution to phytoplankton monitoring.
Katya E. Kovalenko, Euan D. Reavie, Christopher T. Filstrup, Anne Scofield, Meaghan Lightfoot, Erica Yang, Elizabeth E. Alexson   +6 more
wiley   +1 more source

Optical dating and sedimentary record from the terrace depositional profile of the Warta River (Central Poland) [PDF]

, 2014
Results of OSL dating and sedimentary studies from the profile of the low alluvial terrace of the middle Warta River are presented. The samples were dated using the single-aliquot regenera-tive method.
Adamiec, Grzegorz, Dzieduszyńska, Danuta, Kittel, Piotr, Moska, Piotr, Petera-Zganiacz, Joanna, Twardy, Juliusz   +5 more
core   +2 more sources

An ultraviolet–visible spectroscopy system for studying real‐time pressure effects on enzyme activity

Limnology and Oceanography: Methods, EarlyView.
Abstract Investigations of hydrostatic pressure effects on microbial enzymatic processing are challenging but critical for understanding element cycling in the world's oceans. In this study, we developed and tested a stainless‐steel pressure cell capable of withstanding up to 110 MPa of hydrostatic pressure (equivalent to ~ 11,000 m depth), featuring ...
Maria Papadimitraki, Urban Wünsch, John Paul Balmonte, Mathias Middelboe, Colin A. Stedmon, Karl M. Attard, Ronnie N. Glud   +6 more
wiley   +1 more source

Petrography and provenance of floor sediments from the Loutra Almopias Cave (Pella, Macedonia, Greece)

International Journal of Speleology, 2019
Thirty seven floor sediment samples of Upper Pleistocene age from the Loutra Almopias Cave were collected from different beds and stratigraphic columns on the basis of their induration grade, grain distribution, and paleontological findings.
Ioannis Georgiadis , Katerina Chatzopoulou, Nikolaos Kantiranis, Ioakeim Ioakeimidis, Ananias Tsirambides   +4 more
doaj   +1 more source

Seabed classification in the Gulf of Alaska from acoustic surveys using deep learning

Limnology and Oceanography: Methods, EarlyView.
Abstract High‐resolution mapping of seafloor habitats has wide applications for fisheries, conservation efforts, offshore infrastructure planning, mineral extraction, and scientific modeling. This study leverages existing widespread single‐beam acoustic data and machine learning to create habitat maps for the Gulf of Alaska at a spatial resolution of ...
Karuna Agarwal, Christopher N. Rooper, Kresimir Williams   +2 more
wiley   +1 more source

Interpreting complex fluvial channel and barform architecture: Carboniferous Central Pennine Province, northern England. [PDF]

, 2018
The Bashkirian Lower Brimham Grit of North Yorkshire, England, is a fluvio-deltaic sandstone succession that crops out as a series of tors and pinnacles, the three-dimensional arrangement of which allows high-resolution architectural analysis of ...
Soltan, Roman
core  

Demonstration, validation, and application of hyperspectral microscopy for the collection of cyanobacterial spectral signatures

Limnology and Oceanography: Methods, EarlyView.
Abstract Cyanobacterial and other algal blooms are an environmental concern in waterbodies worldwide. While these blooms are a nuisance for recreational activities, they can also be harmful to human and wildlife health when the algae produce and release toxins.
Natalie C. Hall, Adam C. Mumford, Aaron M. Goldfain, David W. Allen, E. Terrence Slonecker, Alisa Shtabnoy, Carl J. Legleiter, Sarah A. Spaulding   +7 more
wiley   +1 more source