Search Results - "Natascha Oppelt"

Land-Use/Land-Cover Change Analysis and Urban Growth Modelling in the Greater Accra Metropolitan Area (GAMA), Ghana by Addae, Bright, Oppelt, Natascha

“…A rapid increase in the world’s population over the last century has triggered the transformation of the earth surface, especially in urban areas, where more…”
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Extracting Agricultural Fields from Remote Sensing Imagery Using Graph-Based Growing Contours by Wagner, Matthias P., Oppelt, Natascha

“…Knowledge of the location and extent of agricultural fields is required for many applications, including agricultural statistics, environmental monitoring, and…”
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Remote Sensing of Snow Cover Using Spaceborne SAR: A Review by Tsai, Ya-Lun S., Dietz, Andreas, Oppelt, Natascha, Kuenzer, Claudia

“…The importance of snow cover extent (SCE) has been proven to strongly link with various natural phenomenon and human activities; consequently, monitoring snow…”
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Estimating Early Summer Snow Depth on Sea Ice Using a Radiative Transfer Model and Optical Satellite Data by Wang, Mingfeng, Oppelt, Natascha

“…Sea ice regulates the overall energy exchange and radiation budget of the Arctic region, and understanding this relationship requires an accurate determination…”
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ACIX-Aqua: A global assessment of atmospheric correction methods for Landsat-8 and Sentinel-2 over lakes, rivers, and coastal waters by Pahlevan, Nima, Mangin, Antoine, Balasubramanian, Sundarabalan V., Smith, Brandon, Alikas, Krista, Arai, Kohei, Barbosa, Claudio, Bélanger, Simon, Binding, Caren, Bresciani, Mariano, Giardino, Claudia, Gurlin, Daniela, Fan, Yongzhen, Harmel, Tristan, Hunter, Peter, Ishikaza, Joji, Kratzer, Susanne, Lehmann, Moritz K., Ligi, Martin, Ma, Ronghua, Martin-Lauzer, François-Régis, Olmanson, Leif, Oppelt, Natascha, Pan, Yanqun, Peters, Steef, Reynaud, Nathalie, Sander de Carvalho, Lino A., Simis, Stefan, Spyrakos, Evangelos, Steinmetz, François, Stelzer, Kerstin, Sterckx, Sindy, Tormos, Thierry, Tyler, Andrew, Vanhellemont, Quinten, Warren, Mark

“…Atmospheric correction over inland and coastal waters is one of the major remaining challenges in aquatic remote sensing, often hindering the quantitative…”
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Melt Pond Evolution along the MOSAiC Drift: Insights from Remote Sensing and Modeling by Wang, Mingfeng, Linhardt, Felix, Lion, Victor, Oppelt, Natascha

“…Melt ponds play a crucial role in the melting of Arctic sea ice. Studying the evolution of melt ponds is essential for understanding changes in Arctic sea ice…”
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Application of Remote Sensing Data for Locust Research and Management-A Review by Klein, Igor, Oppelt, Natascha, Kuenzer, Claudia

“…Recently, locust outbreaks around the world have destroyed agricultural and natural vegetation and caused massive damage endangering food security. Unusual…”
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Deep Learning and Adaptive Graph-Based Growing Contours for Agricultural Field Extraction by Wagner, Matthias P., Oppelt, Natascha

“…Field mapping and information on agricultural landscapes is of increasing importance for many applications. Monitoring schemes and national cadasters provide a…”
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Water Constituents and Water Depth Retrieval from Sentinel-2A—A First Evaluation in an Oligotrophic Lake by Dörnhöfer, Katja, Göritz, Anna, Gege, Peter, Pflug, Bringfried, Oppelt, Natascha

“…Satellite remote sensing may assist in meeting the needs of lake monitoring. In this study, we aim to evaluate the potential of Sentinel-2 to assess and…”
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Automatic Grassland Cutting Status Detection in the Context of Spatiotemporal Sentinel-1 Imagery Analysis and Artificial Neural Networks by Taravat, Alireza, Wagner, Matthias, Oppelt, Natascha

“…Grassland contributes to carbon storage and animal feed production. Its yield is largely determined by the cutting times of grassland. Previous studies have…”
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Remote sensing for lake research and monitoring – Recent advances by Dörnhöfer, Katja, Oppelt, Natascha

“…•We provide a comprehensive overview on remote sensing indicators of lake properties.•We focus on water transparency, biota, bathymetry, temperature and ice…”
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Modeling Potential Habitats of Macrophytes in Small Lakes: A GIS and Remote Sensing-Based Approach by Robran, Bastian, Kroth, Frederike, Kuhwald, Katja, Schneider, Thomas, Oppelt, Natascha

“…Macrophytes, which are foundational to freshwater ecosystems, face significant threats due to habitat degradation globally. Habitat suitability models are…”
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Wet and Dry Snow Detection Using Sentinel-1 SAR Data for Mountainous Areas with a Machine Learning Technique by Tsai, Ya-Lun S, Dietz, Andreas, Oppelt, Natascha, Kuenzer, Claudia

“…Traditional studies on mapping wet snow cover extent (SCE) often feature limitations, especially in vegetated and mountainous areas. The aim of this study is…”
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Partial Shape Recognition for Sea Ice Motion Retrieval in the Marginal Ice Zone from Sentinel-1 and Sentinel-2 by Wang, Mingfeng, König, Marcel, Oppelt, Natascha

“…We present an algorithm for computing ice drift in the marginal ice zone (MIZ), based on partial shape recognition. With the high spatial resolution of…”
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Application of geospatial and remote sensing data to support locust management by Klein, Igor, Uereyen, Soner, Eisfelder, Christina, Pankov, Vladimir, Oppelt, Natascha, Kuenzer, Claudia

“…•Utilization of hexagonal h3-system for application within locust management.•Spatial locust hatching start estimation for Italian locust.•Quantification of…”
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Mapping the Bathymetry of Melt Ponds on Arctic Sea Ice Using Hyperspectral Imagery by König, Marcel, Birnbaum, Gerit, Oppelt, Natascha

“…Hyperspectral remote-sensing instruments on unmanned aerial vehicles (UAVs), aircraft and satellites offer new opportunities for sea ice observations. We…”
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Adaptive Weibull Multiplicative Model and Multilayer Perceptron neural networks for dark-spot detection from SAR imagery by Taravat, Alireza, Oppelt, Natascha

“…Oil spills represent a major threat to ocean ecosystems and their environmental status. Previous studies have shown that Synthetic Aperture Radar (SAR), as its…”
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Monitoring Large-Scale Inland Water Dynamics by Fusing Sentinel-1 SAR and Sentinel-3 Altimetry Data and by Analyzing Causal Effects of Snowmelt by Tsai, Ya-Lun S., Klein, Igor, Dietz, Andreas, Oppelt, Natascha

“…The warming climate is threatening to alter inland water resources on a global scale. Within all waterbody types, lake and river systems are vital not only for…”
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Outbreak of Moroccan Locust in Sardinia (Italy): A Remote Sensing Perspective by Klein, Igor, Cocco, Arturo, Uereyen, Soner, Mannu, Roberto, Floris, Ignazio, Oppelt, Natascha, Kuenzer, Claudia

“…The Moroccan locust has been considered one of the most dangerous agricultural pests in the Mediterranean region. The economic importance of its outbreaks…”
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Tree cover and forest cover dynamics in the Mekong Basin from 2001 to 2011 by Leinenkugel, Patrick, Wolters, Michel L., Oppelt, Natascha, Kuenzer, Claudia

“…The Mekong Basin spanning large parts of continental Southeast Asia is endowed with rich natural resources that are increasingly under pressure as a result of…”
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