Results 41 to 50 of about 20,963 (163)

Investigation of Dimension Stone on the Island Brač—Geophysical Approach to Rock Mass Quality Assessment

Geosciences, 2020
A site located on the island of Brač is known in history for world-famous architectural stone and stone mining, dating all the way back to ancient Greek and Roman times.
Jasmin Jug, Kristijan Grabar, Stjepan Strelec, Filip Dodigović   +3 more
doaj   +1 more source

A New Electrical Resistivity Tomography Scheme of Borehole-to-Surface-to-Cliff Detection and Imaging for Grotto Rock Structure

Remote Sensing, 2023
Grotto rock structure detection is precondition of the grotto protection and restoration. As a stable and non-destructive geophysical method, electrical resistivity tomography (ERT) is extensively used to detect the geological structure of the grottoes ...
Jiahe Yan, Zhaofa Zeng, Xueyu Zhao, Baizhou An, Lige Bai, Jianwei Zhao, Jing Li   +6 more
doaj   +1 more source

Coastal Applications of the ERTS-A Satellite

Coastal Engineering 1972, 1972
This paper describes the Earth Resources Technology Satellite (ERTS) placed in orbit in July 1972 and the ERTS simulation high altitude aircraft flights which have been flown for approximately one year. The ERTS satellite and simulation programs conducted by the National Aeronautics and Space Administration (NASA) have been developed to demonstrate the
Orville T. Magoon, Douglas M. Pirie, John W. Jarman   +2 more
openaire   +2 more sources

Investigating of soil features and landslide risk in Western-Atakent (İstanbul) using resistivity, MASW, Microtremor and boreholes methods

Open Geosciences, 2019
In Western-Atakent (İstanbul), population density is increasing day by day and settlement areas are expanding. Soil properties and landslide conditions of these expanding regions must be absolutely examined. In the geophysics, there are many methods used
Keskinsezer Ayhan, Dağ Ersin
doaj   +1 more source

Effectiveness of geocell wall, geogrid and micropile anchors for mitigation of unstable slopes

Geoenvironmental Disasters, 2021
Slope failure mitigation practices are well developed in recent years. Recently, geosynthetic, geocell, and geogrid combined with micropiles are being used extensively in various slope stabilization works. But integrated approaches are still lacking.
Jain Sanjaya Kumar, Mohammed Saleh Nusari, Dangol Purushotam, Acharya Indra Prasad, Shrestha Rajyaswori   +4 more
doaj   +1 more source

Monitoring water infiltration in multiple layers of sandstone coal mining model with cracks using ERT

Open Geosciences
Many engineering disasters are related to water infiltration in cracks. Understanding the water infiltration in multi-layered sandstone cracks is crucial for monitoring and preventing water-related disasters in coal mines.
Du Liang, Qin Teng, Mizunaga Hideki, Zong Zhongling, Zhu Wenjin, Zhu Zhenglei   +5 more
doaj   +1 more source

Calibration and Validation of NOAA-21 Ozone Mapping and Profiler Suite (OMPS) Nadir Mapper Sensor Data Record Data

Remote Sensing
The Ozone Mapping and Profiler Suites (OMPS) Nadir Mapper (NM) is a grating spectrometer within the OMPS nadir instruments onboard the SNPP, NOAA-20, and NOAA-21 satellites.
Banghua Yan, Trevor Beck, Junye Chen, Steven Buckner, Xin Jin, Ding Liang, Sirish Uprety, Jingfeng Huang, Lawrence E. Flynn, Likun Wang, Quanhua Liu, Warren D. Porter   +11 more
doaj   +1 more source

Integration of electrical resistivity tomography with electromagnetic and soil radon measurements for characterizing the leakage problem in Afamia B dam, Syria

Geofísica Internacional, 2018
Para comprobar las causas de fuga en la presa Afamia B, y proponer un modelo conceptual, se aplicaron tres técnicas complementarias que incluyen datos tomográficos de resistividad eléctrica (ERT, por sus siglas en inglés), electromagnetismo (EM) y radón ...
Al-Fares Walid, Al-Hilal Mohamed
doaj   +1 more source

Endovascular Recanalization Therapy in Acute Ischemic Stroke: Updated Meta-analysis of Randomized Controlled Trials [PDF]

Journal of Stroke, 2015
Background and Purpose Recent randomized clinical trials (RCTs) have demonstrated benefits of endovascular recanalization therapy (ERT) contrary to earlier trials.
Keun-Sik Hong, Sang-Bae Ko, Ji Sung Lee, Kyung-Ho Yu, Joung-Ho Rha   +4 more
doaj   +1 more source

A microanalysis study of EFL teacher self-regulation in COVID-19 emergency remote teaching

Journal of China Computer-Assisted Language Learning, 2023
Teacher self-regulation is under-studied yet important especially for teachers of English as a foreign language (EFL) who need to conduct remote teaching over the internet due to COVID-19, known as emergency remote teaching (ERT). In light of the teacher
Dong Li
doaj   +1 more source