Results 1 to 10 of about 6,466,350 (154)

Applications of Electrical Resistivity Surveys in Solving Selected Geotechnical and Environmental Problems

Applied Sciences, 2020
Standard test methods may not be suitable or sufficient for determining the geotechnical conditions of a structure’s subsoil and the effects of the designed structures on the environment.
Mariusz Lech, Zdzisław Skutnik, Marek Bajda, Katarzyna Markowska-Lech   +3 more
doaj   +2 more sources

Landscape factors influencing the distribution of rare submerged plant species: an environmental DNA (eDNA) study [PDF]

PeerJ
Effective conservation of rare submerged plant species requires understanding not only their habitats but also the surrounding landscape and water quality conditions.
Ayaka Fujiwara, Kei Uchida, Satoshi Yamamoto, Hirotoshi Sato, Ryohei Nakao, Masayuki K. Sakata, Norio Hayashi, Hiroki Yamanaka, Atushi Ushimaru, Toshifumi Minamoto   +9 more
doaj   +3 more sources

Waterborne and on-land electrical surveys to suggest the geological evolution of a glacial lake in NW Italy

Journal of Applied Geophysics, 2014
Chiara Colombero, Cesare Comina, Franco Gianotti   +2 more
exaly   +2 more sources

Usefulness of Compiled Geophysical Prospecting Surveys in Groundwater Research in the Metropolitan District of Quito in Northern Ecuador

Applied Sciences, 2021
As in other large Andean cities, the population in the Metropolitan District of Quito (MDQ) in northern Ecuador is growing, and groundwater is becoming essential to meet the increasing urban water demand.
Lilia Peñafiel, Francisco Javier Alcalá, Javier Senent-Aparicio   +2 more
doaj   +1 more source

Computation of optimized arrays for 3-D electrical imaging surveys

Geophysical Journal International, 2014
M H Loke, P B Wilkinson, Sebastian Uhlemann   +2 more
exaly   +2 more sources

Imaging Arctic Permafrost: Modeling for Choice of Geophysical Methods

Geosciences, 2022
Knowledge of permafrost structure, with accumulations of free natural gas and gas hydrates, is indispensable for coping with spontaneous gas emission and other problems related to exploration and production drilling in Arctic petroleum provinces.
Igor Buddo, Natalya Misyurkeeva, Ivan Shelokhov, Evgeny Chuvilin, Alexey Chernikh, Alexander Smirnov   +5 more
doaj   +1 more source

Integration of Geophysical Survey Data for the Identification of New Archaeological Remains in the Subsoil of the Akrai Greek Site (Sicily, Italy)

Heritage, 2023
For more than a decade now, geophysical prospecting has been considered an integral part of archaeological research; the ability to quickly investigate large areas and locate objects buried in the ground without directly interacting with it is a key ...
Sabrina Grassi, Gabriele Morreale, Rosa Lanteri, Angelo Gilotti, Federico Latino, Saro Di Raimondo, Sebastiano Imposa   +6 more
doaj   +1 more source

Elastic and electrical properties of calcite-cemented artificial sandstones based on a new manufacturing method

Frontiers in Earth Science, 2023
Calcite cement is widely existing in sandstones and can significantly affect the elastic and electrical properties of sandstones. Accordingly, understanding the effects of calcite cement on the elastic and electrical rock properties is of key importance ...
Pan Wang, Tongcheng Han, Tongcheng Han, Li-Yun Fu, Li-Yun Fu   +4 more
doaj   +1 more source

Substantiation for a new non-contact measurement technique in electrical resistance surveys

Известия высших учебных заведений: Геология и разведка, 2023
Background. Methods for electrical resistance surveys include those of electrical sounding and electrical profiling with various arrays. Measurements were originally carried out at direct current, although low-frequency alternating current was used later.
A. D. Karinskiy, A. A. Ivanov, I. A. Zudenkov, A. A. Matyushenko, Р. V. Novikov   +4 more
doaj   +1 more source

Computation of Optimized Electrode Arrays for 3-D Electrical Resistivity Tomography Surveys

Applied Sciences, 2021
The present study explores the applicability and effectiveness of an optimization technique applied to electrical resistivity tomography data. The procedure is based on the Jacobian matrix, where the most sensitive measurements are selected from a ...
Kleanthis Simyrdanis, Nikos Papadopoulos, Dimitrios Oikonomou   +2 more
doaj   +1 more source