Showing 141 - 160 results of 219 for search '"Satellite imagery"', query time: 0.06s Refine Results
  1. 141

    Habitat Categorization and Vegetation Mapping of Kumana National Park, Sri Lanka by Pasindu Rodrigo, Charani Gunathilaka, Dulan Jayasekara, Dharshani Mahaulpatha

    Published 2025-01-01
    “…Vegetation maps for KNP were generated by applying multiple classification algorithms to Sentinel 2 multispectral satellite imagery. The maximum likelihood classification (MLC) model generated the most accurate and detailed vegetation map for KNP, which was verified with ground truth data (overall accuracy of 93%; Kappa, 87%). …”
    Get full text
    Article
  2. 142

    Surface Multi-Hazard Effects of Underground Coal Mining in Mountainous Regions by Xuwen Tian, Xin Yao, Zhenkai Zhou, Tao Tao

    Published 2025-01-01
    “…Taking a coal mine in southwestern China as a case study, a detailed catalog of the surface hazards in the study area was created based on multi-temporal satellite imagery interpretation and Unmanned aerial vehicle (UAV) surveys. …”
    Get full text
    Article
  3. 143

    Comparative Analysis of Deep Learning-Based Stereo Matching and Multi-View Stereo for Urban DSM Generation by Mario Fuentes Reyes, Pablo d’Angelo, Friedrich Fraundorfer

    Published 2024-12-01
    “…The creation of digital surface models (DSMs) from aerial and satellite imagery is often the starting point for different remote sensing applications. …”
    Get full text
    Article
  4. 144

    Spatiotemporal Distribution Characteristics of Mesoscale Convective Systems Producing Short-Duration Heavy Rainfall over the Tianshan Mountain Area by Jiangang Li, Lianmei Yang, Wen Liu, Cailian Jiang

    Published 2019-01-01
    “…Based on hourly precipitation data and FY-2 satellite infrared (IR) digital satellite imagery collected during the warm season from 2005 to 2015 in the Tianshan Mountains and the adjacent areas in Xinjiang, China, the definition of mesoscale convective systems (MCSs) was revised based on short-duration heavy precipitation processes. …”
    Get full text
    Article
  5. 145

    Accelerated River Meander Migration on the Tibetan Plateau Caused by Permafrost Thaw by Anmeng Sha, Dongfeng Li, Des Walling, Yi Zhao, Shang Tian, Dong Chen, Shanshan Deng, Junqiang Xia, Jim Best

    Published 2025-01-01
    “…Here, we leverage four decadal satellite imagery, hydrological observations, and permafrost modeling to investigate meander migration dynamics on the Tibetan Plateau. …”
    Get full text
    Article
  6. 146

    Assessment of Roof Tilt and Building Azimuth for Off-Grid Photovoltaic Power for Buildings in Metropolitan Lagos, Nigeria by Olaleye SALU, Ibikunle Ogundari, Samuel ANIH, John-Felix AKINBAMI

    Published 2024-06-01
    “…The data were obtained via literature, Global Positioning System (GPS) systems, energy models and site visits; and comprised manual and satellite imagery, dimensions, roof angles and coordinates of the building structures in the study area (Rows between 0 – 60o, Columns between 0 – 180o; System sizes: 533 kW, 110 kW and 0.547 kW). …”
    Get full text
    Article
  7. 147

    Monitoring of ecological environment changes in open-pit mines on the Loess Plateau from 1990 to 2023 based on RSEI by Xingbang Wang, Yanyun Nian, Haiyuan Wang, Jie Chen, Kegong Li, Tianming Hu, Zhiming Li

    Published 2025-01-01
    “…Employing the Remote Sensing Ecological Index (RSEI) derived from Landsat satellite imagery spanning 1990 to 2023, we conducted a comprehensive analysis utilizing the Sen + Mann-Kendall method. …”
    Get full text
    Article
  8. 148

    Improvement in the Accuracy of the Postclassification of Land Use and Land Cover Using Landsat 8 Data Based on the Majority of Segment-Based Filtering Approach by Fajar Yulianto, Gatot Nugroho, Galdita Aruba Chulafak, Suwarsono Suwarsono

    Published 2021-01-01
    “…Three digital classification approaches, namely, maximum likelihood (ML), random forest (RF), and the support vector machine (SVM), were applied to test the improvement in the accuracy of LULC postclassification using the MaSegFil approach, based on annual cloud-free Landsat 8 satellite imagery data from 2019. The results of the accuracy assessment for the ML, RF, and SVM classifications before implementing the MaSegFil approach were 73.6%, 77.7%, and 77.5%, respectively. …”
    Get full text
    Article
  9. 149

    Web GIS Based Benthic Habitat Mapping Update Supports Smart Island Lemukutan by Zan Zibar, Robin Saputra, Adityo Raynaldo, Supriyatno Supriyatno

    Published 2025-01-01
    “…In the last decade, object-based image analysis (OBIA) has been accepted as an effective method for extracting and classifying information from high spatial resolution satellite imagery. Our study's goal is to use WebGIS to combine coral reef monitoring data from Lemukutan Island and find out how much coral cover there is on the island using the smart island WebGIS. …”
    Get full text
    Article
  10. 150

    Carbon Sink Estimation of Mangrove Vegetation Using Remote Sensing in Segara Anakan, Cilacap by Zahra Safira Aulia, Rizqi Rizaldi Hidayat, Amron Amron

    Published 2022-02-01
    “…In this study, data from Sentinel 2A satellite imagery was processed and validated with field survey results. …”
    Get full text
    Article
  11. 151

    Oriented ice eddy detection network based on the Sentinel-1 dual-polarization data by Jinqun Wu, Jinqun Wu, Yiqin Zheng, Tingting Wang, Chunyong Ma, Chunyong Ma, Ge Chen, Ge Chen

    Published 2025-01-01
    “…In this paper, we employed high-resolution synthetic aperture radar (SAR) satellite imagery and proposed an oriented ice eddy detection network (OIEDNet) framework to conduct automated detection and spatiotemporal analysis of ice eddies in the Nordic Seas. …”
    Get full text
    Article
  12. 152

    Mapping hierarchical wetland characteristics by optical-SAR integration with collaborative spatial-spectral-temporal learning by Linwei Yue, Meiyue Wang, Chengpeng Huang, Qing Cheng, Qiangqiang Yuan, Huanfeng Shen

    Published 2025-02-01
    “…The learning-based integration of optical and synthetic aperture radar (SAR) satellite imagery is known to be effective in promoting the accuracy of wetland land-cover classification. …”
    Get full text
    Article
  13. 153

    A Specific Time Lag Regulation of Soil Moisture Across Layers on Soil Salinization in the Northeast Tibetan Plateau Agroecosystem by Di Wei, Ziqi Zhang, Lin Yan, Jia Yu, Yun Zhang, Bo Wang

    Published 2025-01-01
    “…Based on Landsat 8 satellite imagery and ERA5-Land reanalysis datasets, this study explored the variation characteristics of soil water and salt in the northeast Tibetan Plateau from 2013 to 2023, inferred by geostatistical methods like ridge regression, windowed cross correlation, and machine learning algorithms. …”
    Get full text
    Article
  14. 154

    The Effect of Spatial Scale on the Prediction of Tropical Forest Attributes from Image Texture by J. Alberto Gallardo-Cruz, Jonathan V. Solórzano, Edgar J. González, Jorge A. Meave

    Published 2024-01-01
    “…The availability of high-resolution satellite imagery has boosted the modelling of tropical forest attributes based on texture metrics derived from grey-level co-occurrence matrices (GLCMs). …”
    Get full text
    Article
  15. 155

    An Integrated Use of Topography with RSI in Gully Mapping, Shandong Peninsula, China by Fuhong He, Tao Wang, Lijuan Gu, Tao Li, Weiguo Jiang, Hongbo Shao

    Published 2014-01-01
    “…Taking the Quickbird optical satellite imagery of the small watershed of Beiyanzigou valley of Qixia city, Shandong province, as the study data, we proposed a new method by using a fused image of topography with remote sensing imagery (RSI) to achieve a high precision interpretation of gully edge lines. …”
    Get full text
    Article
  16. 156

    Antarctic ice-shelf meltwater outflows in satellite radar imagery: ground-truthing and basal channel observations by Jakob Stanley Hamann, Thomas Arney, James David Kirkham, Paul Wachter, Karsten Gohl

    Published 2024-01-01
    “…In this study, we utilize Sentinel-1A synthetic aperture radar satellite imagery combined with shipboard measurements of water temperature and salinity to investigate the presence of surficial meltwater plumes along the Antarctic coastline. …”
    Get full text
    Article
  17. 157

    The impact of environmental variables on reed stands of the intermittent Lake Cerknica, Slovenia: 40 years of change by Nik Ojdanič, Alenka Gaberščik, Igor Zelnik, Aleksandra Golob

    Published 2025-01-01
    “…At Lake Cerknica, long-term data on water levels and temperatures, combined with four decades of Landsat satellite imagery, allowed for a comprehensive analysis of reed stand dynamics of three different reed stands using the modified soil adjusted vegetation index (MSAVI2) and an index differentiating technique. …”
    Get full text
    Article
  18. 158

    Segmentation of Any Fire Event (SAFE): A Rapid and High-Precision Approach for Burned Area Extraction Using Sentinel-2 Imagery by Shuaijun Liu, Yong Xue, Hui Chen, Yang Chen, Tianyu Zhan

    Published 2024-12-01
    “…The timely and accurate monitoring of wildfires and other sudden natural disasters is crucial for safeguarding the safety of residents and their property. Satellite imagery for wildfire monitoring offers a unique opportunity to obtain near-real-time disaster information through rapid, large-scale remote sensing mapping. …”
    Get full text
    Article
  19. 159

    Conflits armés et environnement by Al–Hamandou Dorsouma, Michel-André Bouchard

    Published 2014-07-01
    “…A number of evaluation and measuring techniques, such as diachronic satellite imagery analysis, field surveys, and other methods can then be used to measure the impacts as part of a standard Environmental and Social Impact Study. …”
    Get full text
    Article
  20. 160

    Evaluation of Object-Based and Pixel-Based Technique for Extracting Snow Cover Surface Using Landsat 8 Satellite Images (Case Study Damavand Mountain Range) by Behnam Sedaghat, Ali Javadzade khiavi, Babak Naeim, Erfan Khajavi, Amir Reza Taghavi Khanghah

    Published 2023-12-01
    “…This study aimed to assess the effectiveness of object-oriented and pixel-based techniques in extracting snow cover using Landsat8 satellite imagery. The pixel-based method relies on classifying numerical values of images, while the novel object-oriented approach takes into account not only numerical images but also background information, texture, and content for classification. …”
    Get full text
    Article