Showing 361 - 380 results of 588 for search '"altitude"', query time: 0.05s Refine Results
  1. 361

    Identification of the Aerosol Types over Athens, Greece: The Influence of Air-Mass Transport by D. G. Kaskaoutis, P. G. Kosmopoulos, H. D. Kambezidis, P. T. Nastos

    Published 2010-01-01
    “…The HYSPLIT model was used to compute back trajectories at three altitudes to investigate the relation between AOD550-FM and wind sector depending on the altitude. …”
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  2. 362

    Ibón de Bernatuara (Huesca) by Leire Aurrekoetxea Carrera Heredia

    Published 2019-09-01
    “…Horregatik, zati zuriak ikusten dira ibaiaren barruan eta bere inguruan, baina baita zeru urdinaren islada ere. Duen altitude handiaren ondorioz, mendiko klima dago bertan. …”
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  3. 363

    CPP: a path planning method taking into account obstacle shadow hiding by Ruixin Zhang, Qing Xu, Youneng Su, Ruoxu Chen, Kai Sun, Fengchang Li, Guo Zhang

    Published 2025-01-01
    “…It started by designing shadow areas in the configuration environment based on solar azimuth and altitude angles. A gravitational field model was then created using these shadow areas and the target point’s position to guide the path point movement, achieving a path with a higher safety coefficient. …”
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  4. 364

    Moving Target Localization in Sports Image Sequence Based on Optimized Particle Filter Hybrid Tracking Algorithm by Yan Guo

    Published 2021-01-01
    “…In order to determine the initial absolute position of the stadium positioning, for athletes entering the stadium from the outside, a seamless switching algorithm outside the stadium is proposed, using the characteristics of high-altitude satellite GPS to find a suitable switching point as the initial absolute position. …”
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  5. 365

    Investigating the Applicability of the Peak Density Thickness Parameter over the Equatorial Region by Mohamed O. Shammat, Bodo W. Reinisch, Ivan Galkin, Philip J. Erickson, Jay A. Weitzen, William C. Rideout

    Published 2024-12-01
    “…The Peak Density Thickness (PDT) refers to a vertical region in the ionosphere encompassing the F2 peak, where electron density is at its maximum, and extending upward—maintaining a constant density—for a fixed altitude beyond this peak. This study builds on the previously established PDT concept, initially explored at midlatitudes using data from Millstone Hill, by evaluating its applicability and effectiveness over equatorial latitudes using data from the Jicamarca Incoherent Scatter Radar (ISR) in Lima, Peru. …”
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  6. 366

    Air temperature estimation based on environmental parameters using remote sensing data by Chenoor Mohammadi, Manouchehr Farajzadeh, Yousef Ghavdel Rahimi, Abbas Ali Aliakbar Bidokhti

    Published 2018-03-01
    “…This study is aimed at estimating monthly mean air temperature (Ta) using the MODIS Land Surface Temperature (LST), Normalized Difference Vegetation Index (NDVI), latitude, altitude, slope gradient and land use data during 2001-2015. …”
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  7. 367

    Technical note: Recommendations for diagnosing cloud feedbacks and rapid cloud adjustments using cloud radiative kernels by M. D. Zelinka, L.-W. Chao, T. A. Myers, T. A. Myers, Y. Qin, S. A. Klein

    Published 2025-02-01
    “…<p>The cloud radiative kernel method is a popular approach to quantify cloud feedbacks and rapid cloud adjustments to increased <span class="inline-formula">CO<sub>2</sub></span> concentrations and to partition contributions from changes in cloud amount, altitude, and optical depth. However, because this method relies on cloud property histograms derived from passive satellite sensors or produced by passive satellite simulators in models, changes in obscuration of lower-level clouds by upper-level clouds can cause apparent low-cloud feedbacks and adjustments, even in the absence of changes in lower-level cloud properties. …”
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  8. 368

    Spatial-Temporal Variations and Influencing Factors of Water-related Ecosystem Services in Southwest China Under Complex Terrain by TANG Shuang, ZHU Chongjing, GAO Jie, BIAN Hongyan

    Published 2024-12-01
    “…[Results] (1) From 1992 to 2020, water yield in Southwest China showed a downward trend, with a notable mutation occurring in 2002; soil erosion showed an increasing trend, with a mutation observed in 1997. (2) The water yield decreased and soil erosion increased with rising altitude. (3) The relative contribution rate of precipitation to both water yield and soil erosion in karst areas was found to be greater than that in non-karst areas. …”
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  9. 369

    Study on the stability of excavation process of permafrost subgrade slope in Alpine region by Zhilong Zhang, Jiyang Zhang, Jiangang Chen, Jing Luo, Bingbing Lei

    Published 2025-02-01
    “…Abstract The high-altitude mountainous half-excavated and half-filled embankment slopes primarily focus on the long-term stability of slopes, while the safety evaluation methods for the excavation process have received comparatively less attention. …”
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  10. 370

    Improving Performance of Integrated Ground-HAPS FSO Communication Links With MIMO Application by Emna Zedini, Yalcn Ata, Mohamed-Slim Alouini

    Published 2024-01-01
    “…The FSO links span ground-to-high altitude platform system (HAPS), HAPS-to-ground, and HAPS-to-HAPS configurations. …”
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  11. 371

    Baseline hydro-geochemical characteristics of groundwater in Abu Ali watershed (Northern Lebanon) by Rachad Al Haj, Mohammad Merheb, Jalal Halwani, Baghdad Ouddane

    Published 2025-02-01
    “…The first group is characterized by high-altitude springs with low residence times. Another group, at slightly lower altitudes, shares the same geological formation (Cenomanian-Turonian) and includes a large number of wells. …”
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  12. 372

    The correlation of region-specific lifestyle and subjective perception of oral health with oral health-related quality of life among Tibetan early adolescents in Ganzi: a cross-sec... by Shaoying Duan, Renjie Tang, Chenchen Zhang, Qianqian Su, Huiyu Yang, He Cai, Tao Hu

    Published 2025-01-01
    “…In relation to region-specific lifestyle, the factors associated with poorer OHRQoL were residence altitude of 3,300 m (compared to 1,400 m), buttered tea consumption by adolescents or mother, and being a boarding student. …”
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  13. 373

    Study on the effects of land use transformation on habitat quality and its driving mechanisms: a case study of the Qin-Mang River Basin by Jiwei Zhao, Luyao Wang, Dong Jia, Yaowen Wang

    Published 2025-01-01
    “…The HQ index decreased from 0.3409 in 1992 to 0.2896 in 2022, with a significant increase in spatial heterogeneity. Altitude, vegetation coverage, temperature, precipitation, and slope are the main driving factors influencing HQ, with natural factors dominating, but human activities gradually playing an increasingly significant role. …”
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  14. 374

    Occupancy of Javan Slow Loris (Nyticebus javanicus E. Geoffroy 1812) in Kemuning Tropical Low Land Forest, Bejen, Temanggung, Central Java by Mahfut Sodik, Satyawan Pudyatmoko, Pujo Semedi Hargo Yuwono

    Published 2019-05-01
    “…The influence of six covariates was assessed to determine of site use by Nycticebus javanicus: distance to road, distance to forest edge, distance to the settlement, distance to water source, altitude, and elevation. The result shows that the probability of site use occupied by Nycticebus javanicus was 23.2% of the total area. …”
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  15. 375

    Analysis of Vitamin A, C and Iron (Fe) Levels in Moringa Leaf-Based Pudding by Reski Zulhijjani, Nur Afni, Ayu Lestari

    Published 2022-11-01
    “…Moringa plant are shrubs with a height of 7-11 meters and thrive from lowlands to an altitude of 700m above sea level. Moringa plants can be used as a whole from the roots, leaves, fruit, flowers and seeds. …”
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  16. 376

    Multilevel and Spatially Heterogeneous Factors Influencing Poor Households’ Income in a Frontier Minority Area in Northeast China by Binyan Wang, Mark W. Rosenberg, Shijun Wang, Peifeng Yang, Junfeng Tian

    Published 2021-01-01
    “…At the environmental level, arable land, the distance to the county center, and the average altitude had spatially heterogeneous impacts that varied in direction and intensity. …”
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  17. 377

    Hyperdominance of Tree Species and Biomass in Mount Gede Pangrango National Park, Indonesia by Andes Hamuraby Rozak, Sri Astutik, Zaenal Mutaqien, Didik Widyatmoko, Endah Sulistyawati

    Published 2017-01-01
    “…A total of 26 sample plots were installed in 26 different altitude between 1013 and 3010 m asl and grouped into three zones i.e. submontane, montane, and subalpine zones. …”
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  18. 378

    Phenotypic and Agronomic Variation Within Naturalized <i>Medicago polymorpha</i> L. (Burr Medic) in Subtropical Queensland, Australia, and Relationships with Climate and Soil Chara... by David L. Lloyd, John P. Thompson, Suzanne P. Boschma, Rick R. Young, Brian Johnson, Kemp C. Teasdale

    Published 2025-01-01
    “…Days to flowering were longer in lines from saline soils at lower altitude, and plant vigor was greatest in lines from more fertile soils with higher rainfall. …”
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  19. 379
  20. 380

    Motion feature extraction using magnocellular-inspired spiking neural networks for drone detection by Jiayi Zheng, Jiayi Zheng, Yaping Wan, Xin Yang, Hua Zhong, Minghua Du, Gang Wang, Gang Wang

    Published 2025-01-01
    “…Experimental results in terms of drone detection performance indicate that the incorporation of MG-SNN significantly improves the accuracy of low-altitude drone detection tasks compared to popular small object detection algorithms, acting as a cheap plug-and-play module in detecting small flying targets against complex backgrounds.…”
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