Search Results - "Lehnert, Lukas"

Estimating fractional vegetation cover and aboveground biomass for land degradation assessment in eastern Mongolia steppe: combining ground vegetation data and remote sensing by Dashpurev, Batnyambuu, Dorj, Munkhtsetseg, Phan, Thanh Noi, Bendix, Jörg, Lehnert, Lukas W.

“…Fractional vegetation cover (FVC) and aboveground biomass (AGB) are critically important for monitoring grassland degradation, and their accurate estimation…”
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Retrieval of grassland plant coverage on the Tibetan Plateau based on a multi-scale, multi-sensor and multi-method approach by Lehnert, Lukas W., Meyer, Hanna, Wang, Yun, Miehe, Georg, Thies, Boris, Reudenbach, Christoph, Bendix, Jörg

“…Plant coverage is a basic indicator of the biomass production in ecosystems. On the Tibetan Plateau, the biomass of grasslands provides major ecosystem…”
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Monitoring Oil Exploitation Infrastructure and Dirt Roads with Object-Based Image Analysis and Random Forest in the Eastern Mongolian Steppe by Dashpurev, Batnyambuu, Bendix, Jörg, Lehnert, Lukas

“…Information on the spatial distribution of human disturbance is important for assessing and monitoring land degradation. In the Eastern Mongolian Steppe…”
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A new high spatial resolution low stratus/fog retrieval for the Atacama Desert by Lehnert, Lukas W., Thies, Boris, Bendix, Jörg

“…The Atacama Desert is considered as one of the driest places on Earth. At the coastline, however, small-scale fog oases harbor a specialized vegetation and…”
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Land Cover Classification using Google Earth Engine and Random Forest Classifier—The Role of Image Composition by Phan, Thanh Noi, Kuch, Verena, Lehnert, Lukas W.

“…Land cover information plays a vital role in many aspects of life, from scientific and economic to political. Accurate information about land cover affects the…”
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Land Cover Change in the Andes of Southern Ecuador—Patterns and Drivers by Fernandez, Giulia F Curatola, Obermeier, Wolfgang A, Gerique, Andres, Sandoval, Maria Fernanda Lopez, Lehnert, Lukas W, Thies, Boris, Bendix, Jorg

“…In the megadiverse tropical mountain forest in the Andes of southern Ecuador, a global biodiversity hotspot, the use of fire to clear land for cattle ranching…”
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A hyperspectral indicator system for rangeland degradation on the Tibetan Plateau: A case study towards spaceborne monitoring by Lehnert, Lukas W., Meyer, Hanna, Meyer, Nele, Reudenbach, Christoph, Bendix, Jörg

“…•Establishing and testing a remotely sensed indicator system for pasture degradation on the Tibetan Plateau.•Estimating plant cover and chlorophyll content…”
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Conservation value of forests attacked by bark beetles: Highest number of indicator species is found in early successional stages by Lehnert, Lukas W., Bässler, Claus, Brandl, Roland, Burton, Philip J., Müller, Jörg

“…Heavy natural disturbance in large protected areas of former commercial forests increasingly evokes European parliaments to call for management intervention…”
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Challenges in Measuring Transport Parameters of Carbonate‐Based Electrolytes by Lehnert, Lukas, Nojabaee, Maryam, Latz, Arnulf, Horstmann, Birger

“…Numerical simulations are a powerful tool for the development and improvement of Li‐ion batteries. Modeling the mass transport of the involved electrolytic…”
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Estimating Net Photosynthesis of Biological Soil Crusts in the Atacama Using Hyperspectral Remote Sensing by Lehnert, Lukas, Jung, Patrick, Obermeier, Wolfgang, Büdel, Burkhard, Bendix, Jörg

“…Biological soil crusts (BSC) encompassing green algae, cyanobacteria, lichens, bryophytes, heterotrophic bacteria and microfungi are keystone species in arid…”
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Desert breath—How fog promotes a novel type of soil biocenosis, forming the coastal Atacama Desert’s living skin by Jung, Patrick, Baumann, Karen, Lehnert, Lukas W., Samolov, Elena, Achilles, Sebastian, Schermer, Michael, Wraase, Luise M., Eckhardt, Kai‐Uwe, Bader, Maaike Y., Leinweber, Peter, Karsten, Ulf, Bendix, Jörg, Büdel, Burkhard

“…The Atacama Desert is the driest non‐polar desert on Earth, presenting precarious conditions for biological activity. In the arid coastal belt, life is…”
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Hyperspectral Data Analysis in R : The hsdar Package by Lehnert, Lukas W., Meyer, Hanna, Obermeier, Wolfgang A., Silva, Brenner, Regeling, Bianca, Bendix, Jörg

“…Hyperspectral remote sensing is a promising tool for a variety of applications including ecology, geology, analytical chemistry and medical research. This…”
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Valleys are a potential refuge for the Amazon lowland forest in the face of increased risk of drought by Pohl, Marius J., Lehnert, Lukas W., Thies, Boris, Seeger, Konstantin, Berdugo, Mónica B., Gradstein, S. Robbert, Bader, Maaike Y., Bendix, Jörg

“…The Amazon rainforest is home to an incredible variety of plant and animal species and plays a crucial role in regulating the Earth’s climate. Climate change…”
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Ecophysiology and phylogeny of new terricolous and epiphytic chlorolichens in a fog oasis of the Atacama Desert by Jung, Patrick, Emrich, Dina, Briegel‐Williams, Laura, Schermer, Michael, Weber, Lena, Baumann, Karen, Colesie, Claudia, Clerc, Philippe, Lehnert, Lukas W., Achilles, Sebastian, Bendix, Jörg, Büdel, Burkhard

“…The Atacama Desert is one of the driest and probably oldest deserts on Earth where only a few extremophile organisms are able to survive. This study…”
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Precipitation Retrieval over the Tibetan Plateau from the Geostationary Orbit—Part 1: Precipitation Area Delineation with Elektro-L2 and Insat-3D by Kolbe, Christine, Thies, Boris, Egli, Sebastian, Lehnert, Lukas, Schulz, Hans, Bendix, Jörg

“…The lack of long term and well distributed precipitation observations on the Tibetan Plateau (TiP) with its complex terrain raises the need for other sources…”
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Deep Siamese Network for annual change detection in Beijing using Landsat satellite data by Bao, Hanqing, Zerres, Vinzenz H.D., Lehnert, Lukas W.

“…•Objects function as important bridges between pixels and regions, at the object level, deeper feature and semantic information are vital.•We proposed an…”
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A cost-effective method to monitor vegetation changes in steppes ecosystems: A case study on remote sensing of fire and infrastructure effects in eastern Mongolia by Dashpurev, Batnyambuu, Wesche, Karsten, Jäschke, Yun, Oyundelger, Khurelpurev, Phan, Thanh Noi, Bendix, Jörg, Lehnert, Lukas W.

“…•The spatial distribution of plant functional groups for land degradation estimated.•A cost-effective method for mapping PFGs in eastern Mongolian steppe was…”
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Reduced Summer Aboveground Productivity in Temperate C3 Grasslands Under Future Climate Regimes by Obermeier, Wolfgang A., Lehnert, Lukas W., Ivanov, Martin A., Luterbacher, Jürg, Bendix, Jörg

“…Temperate grasslands play globally an important role, for example, for biodiversity conservation, livestock forage production, and carbon storage. The latter…”
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A Case Study on Fog/Low Stratus Occurrence at Las Lomitas, Atacama Desert (Chile) as a Water Source for Biological Soil Crusts by Lehnert, Lukas W., Thies, Boris, Trachte, Katja, Achilles, Sebastian, Osses, Pablo, Baumann, Karen, Schmidt, Jakob, Samolov, Elena, Jung, Patrick, Leinweber, Peter, Karsten, Ulf, Büdel, Burkhard, Bendix, Jörg

“…The Atacama Desert is well known for the high occurrence of large-scale fog (spatial extents: hundreds of kilometers) emerging as low stratus (LST) decks over…”
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The grit crust: A poly-extremotolerant microbial community from the Atacama Desert as a model for astrobiology by Jung, Patrick, Lehnert, Lukas W., Bendix, Jörg, Lentendu, Guillaume, Grube, Martin, Alfaro, Fernando D., Rio, Camilo del, Gutiérrez Alvarado, José Luis, van den Brink, Liesbeth, Lakatos, Michael

“…The grit crust is a recently discovered, novel type of biocrust made of prokaryotic cyanobacteria, eukaryotic green algae, fungi, lichens and other microbes…”
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