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2401
Transboundary hydropolitical conflicts and their impact on river morphology and environmental degradation in the Hirmand Basin, West Asia
Published 2025-01-01“…Landsat imagery analysis (1987–2022) via Google Earth Engine reveals significant morphological changes, with 43% of river arcs shifting by 500–1200 m and an annual width reduction of three meters, even during wet periods. …”
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2402
Research on Coal Mechanical Properties Based on True Triaxial Loading and Unloading Experiment
Published 2021-01-01“…To study the safety issues caused by coal mine excavation, self-developed simulation of earth interior atmosphere and sound test system was used to perform true triaxial loading and unloading tests of coal. …”
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2403
Pulsed vector atomic magnetometer using an alternating fast-rotating field
Published 2025-02-01“…Operating in gradiometer mode, the magnetometer achieves a total field gradient sensitivity of 35 $${{{\rm{fT}}}}/\sqrt{{{{\rm{Hz}}}}}$$ fT / Hz (0.7 parts per billion) and angular resolutions of 6 $${{{\rm{nrad}}}}/\sqrt{{{{\rm{Hz}}}}}$$ nrad / Hz at a 50 μT Earth field strength. The noise spectra remain flat down to 1 Hz and 0.1 Hz, respectively. …”
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2404
An investigation on heavy metals in soils around oil field area
Published 2015-09-01“…The results show that concentration of studied metals is higher than earth’s crust mean values. According to Muller’s geochemical index, intensity of contamination varies from unpolluted to highly polluted ones. …”
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2405
Evaluation of ground-based methods for monitoring neotectonic processes at geodynamic sites
Published 2024-12-01“…The authors used different methods, in particular geodetic measurements, which ensure high accuracy and reliability of the results; geophysical methods that help to detect subsurface structures and processes; and remote sensing of the Earth, which provides large-scale monitoring and analysis of the dynamics of neotectonic phenomena. …”
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2406
Precise Orbit Determination of BDS MEO Satellites Based on Satellite TT&C Stations
Published 2016-01-01“…Considering BeiDou Navigation Satellite System (BDS) Geostationary Orbit (GEO) and Inclined Geostationary Orbit (IGSO) satellites as the STT&C facilities, firstly, we presented the BDS Medium Earth Orbit (MEO) satellites’ precise orbit determination scheme based on triple-frequency combination. …”
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2407
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2408
Synthesis and Characterization of Nickel Nanoparticles: Biological and Photocatalytic Properties
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2409
Sm-Nd Isotope Data Compilation from Geoscientific Literature Using an Automated Tabular Extraction Method
Published 2025-02-01“…Abstract The rare earth elements Sm and Nd significantly address fundamental questions about crustal growth, such as its spatiotemporal evolution and the interplay between orogenesis and crustal accretion. …”
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2410
Hiroshima and Nagasaki at 65 – A Reflection
Published 2010-12-01“…On countless occasions this year, sixty-five years after the Hiroshima and Nagasaki bombings, I have heard and read that hibakusha (atomic-bomb survivors) are dying away, and that we need to eliminate nuclear weapons from the face of the earth, for the future of humanity, to be sure, but also so that their dying wishes are fulfilled. …”
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2411
Simplified Transient Hot-Wire Method for Effective Thermal Conductivity Measurement in Geo Materials: Microstructure and Saturation Effect
Published 2012-01-01“…After a validation of the used “one hot-wire” technique in water, toluene, and glass-bead assemblages, the investigations were performed (1) in glass-bead assemblages of different diameters in dried, water, and acetone-saturated states in order to observe the role of grain sizes and saturation on the effective thermal conductivity, (2) in a compacted earth brick at different moisture states, and (3) in a lime-hemp concrete during 110 days following its manufacture. …”
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2412
Greening the Economy in Afghanistan – Role of the Critical Mineral Mining Industry
Published 2024-12-01“…Afghanistan has a significant potential for a green economy due to its reserves of lithium and rare earth metals, essential for modern green technologies. …”
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2413
Radial and Latitudinal Distributions of the Exohiss Under the Effect of Landau Damping
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2414
Pretreatment for Tunnel Karst Cave during Excavation: A Case Study of Guangxi, China
Published 2021-01-01“…Karst landscape is a general term for earth surfaces and underground patterns that have been formed by the dissolution of soluble rock. …”
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2415
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2417
Research on Impact Process of Lander Footpad against Simulant Lunar Soils
Published 2015-01-01“…Described in this paper are model tests carried out using simulated lunar soils of different relative densities (called “simulant” lunar soils below), with a scale reduction factor of 1/6 to consider the relative gravities of the Earth and Moon. In the model tests, the lander was simplified as an impact column with a saucer-shaped footpad with various impact landing masses and velocities. …”
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2418
Evapotranspiration changes of reference Crop during the growth stages of apple tree in Urmia and Semirom cities
Published 2023-09-01“…The evapotranspiration of the reference Crop is of particular importance due to the changes in climate parameters of temperature, sunlight, humidity and wind speed in combination. the purpose of this study is to investigate the effects of climate change on evapotranspiration of apple during the growing season.For this purpose, the ECMWF database has been used for observation data of Semirom and Urmia stations during 20-year period (1996-2001).To check this quantity in the next 20 years, the daily Downscaling dynamic data of the CORDEX project with a precision of 44% * 44% for the output of the ICHEC-EC-EARTH model under the two lines of 4.5 and 8.5 (RCP) was used for the period (2017-2037). …”
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2419
Improved Support Vector Machine and Image Processing Enabled Methodology for Detection and Classification of Grape Leaf Disease
Published 2022-01-01“…Plant diseases have had a tremendous impact on civilization and the Earth as a whole. Extensions of detection strategies and classification methods try to identify and categorize each ailment that affects the plant rather than focusing on a single disease among several illnesses and symptoms. …”
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2420
Seasonal variations of ground water quality and its agglomerates by water quality index
Published 2016-01-01“…Water is a unique natural resource among all sources available on earth. It plays an important role in economic development and the general well-being of the country. …”
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