Results 21 to 30 of about 1,985,869 (355)

Overview of the geological mapping in Brazil: historical analysis until 2022

open access: yesJournal of the Geological Survey of Brazil, 2023
O objetivo deste trabalho é contextualizar a evolução do mapeamento geológico no Brasil a partir da criação da Companhia de Pesquisa de Recursos Minerais-CPRM em 1969, como parte de um conjunto de medidas governamentais que visavam impulsionar o setor ...
Lucia Travassos da Rosa-Costa   +5 more
doaj   +1 more source

Failure Mechanism Analysis of Mining-Induced Landslide Based on Geophysical Investigation and Numerical Modelling Using Distinct Element Method

open access: yesRemote Sensing, 2022
Underground mining activity in the karst mountain in southwestern China has induced several large-scale rocky landslides and has caused serious casualties.
Jun Li   +6 more
doaj   +1 more source

RECONSTRUCTING THE LANDSCAPE OF THE PAST IN THE AGRICULTURAL TERRACES OF THE CITY OF AVDAT [PDF]

open access: yesThe International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2019
Large areas in the arid Southern Levant are dotted with ancient agricultural terraces and runoff harvesting installations. In the Negev Highlands, Israel, they were constructed in the 3rd–4th centuries CE, maintained for 6–7 centuries, and ...
R. Arav, S. Filin, Y. Avni
doaj   +1 more source

The Emergence of Terrace Farming in the Arid Zone of the Levant—Past Perspectives and Future Implications

open access: yesLand, 2022
Terrace farming installations occupy vast desert areas in the Southern Levant. Their construction in harsh environments raises critical questions focusing on the natural, political, and economic circumstances promoting their construction and operation ...
Yoav Avni
doaj   +1 more source

Study on Prediction Method for Postconstruction Settlement of Loess Fill Foundation in Northern Shaanxi, China

open access: yesAdvances in Civil Engineering, 2020
In order to solve the problem of shortage of construction land in the loess hilly and gully area of northern Shaanxi, the local people usually adopted the method of excavating and filling.
Kui Liu, Kangze Yuan, Boyi Shi
doaj   +1 more source

Revising the geological mapping of Mars

open access: yesGEOmedia, 2019
Planetary geological-geomorphological mapping has some peculiarities which need to be addressed in order to standardize the technical and scientific approach.
Marco Pantaloni   +3 more
doaj   +3 more sources

InSAR terrain mapping error sources based on satellite interferometry

open access: yesOpen Physics, 2022
To improve the accuracy of interferometric synthetic aperture radar (InSAR) topographic mapping, an error source analysis method of InSAR topographic mapping based on satellite interferometry is proposed.
Li Genger
doaj   +1 more source

Remote sensing interpretation of development characteristics of high-position geological hazards in Sedongpu gully, downstream of Yarlung Zangbo River

open access: yesZhongguo dizhi zaihai yu fangzhi xuebao, 2021
Sedongpu gully is a branch gully on the left bank of the lower reaches of the Yarlung Zangbo River. It is located below the galabaire peak. It often accumulates abundant moraines and loose deposits every year.
Zhuang LI   +5 more
doaj   +1 more source

Hyperspectral Band Selection for Lithologic Discrimination and Geological Mapping

open access: yesIEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, 2020
Classification techniques applied to hyperspectral images are very useful for lithologic discrimination and geological mapping. Classifiers are often applied either to all spectral channels or only to absorption spectral channels.
Yulei Tan   +5 more
semanticscholar   +1 more source

Contributions to uncertainty related to hydrostratigraphic modeling using multiple-point statistics [PDF]

open access: yesHydrology and Earth System Sciences, 2018
Forecasting the flow of groundwater requires a hydrostratigraphic model, which describes the architecture of the subsurface. State-of-the-art multiple-point statistical (MPS) tools are readily available for creating models depicting subsurface geology.
A. A. S. Barfod   +7 more
doaj   +1 more source

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