Zobrazeno 1 - 10
of 327
pro vyhledávání: '"Christiane Schmullius"'
Autor:
Tasiyiwa Priscilla Muumbe, Jenia Singh, Jussi Baade, Pasi Raumonen, Corli Coetsee, Christian Thau, Christiane Schmullius
Publikováno v:
Remote Sensing, Vol 16, Iss 2, p 399 (2024)
Allometric equations are the most common way of assessing Aboveground biomass (AGB) but few exist for savanna ecosystems. The need for the accurate estimation of AGB has triggered an increase in the amount of research towards the 3D quantification of
Externí odkaz:
https://doaj.org/article/4caf5d62725049bf987f7dfb8b3e2d84
Autor:
Mikhail Urbazaev, Laura L. Hess, Steven Hancock, Luciane Yumie Sato, Jean Pierre Ometto, Christian Thiel, Clémence Dubois, Kai Heckel, Marcel Urban, Markus Adam, Christiane Schmullius
Publikováno v:
Science of Remote Sensing, Vol 6, Iss , Pp 100067- (2022)
Accurate measurements of terrain elevation are crucial for many ecological applications. In this study, we sought to assess new global three-dimensional Earth observation data acquired by the spaceborne Light Detection and Ranging (LiDAR) missions Ic
Externí odkaz:
https://doaj.org/article/9e1eb3043bbe4c169032a0620384bf7a
Autor:
Jonas Ziemer, Clémence Dubois, Christian Thiel, Jose-Luis Bueso-Bello, Paola Rizzoli, Christiane Schmullius
Publikováno v:
Remote Sensing, Vol 15, Iss 14, p 3589 (2023)
The estimation of forestry parameters is essential to understanding the three-dimensional structure of forests. In this respect, the potential of X-band synthetic aperture radar (SAR) has been recognized for years. Many studies have been conducted on
Externí odkaz:
https://doaj.org/article/670f85b054c649cfbc0b33966e321b22
Autor:
Felix Cremer, Mikhail Urbazaev, Jose Cortes, John Truckenbrodt, Christiane Schmullius, Christian Thiel
Publikováno v:
IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, Vol 13, Pp 5233-5240 (2020)
The REDD+ framework requires accurate estimates of deforestation. These are derived by ground measurements supported by methods based on remote sensing data to automatically detect and delineate deforestations over large areas. In particular, in the
Externí odkaz:
https://doaj.org/article/cd844fa489544c589a392df79761df0a
Autor:
Konstantin Schellenberg, Thomas Jagdhuber, Markus Zehner, Sören Hese, Marcel Urban, Mikhail Urbazaev, Henrik Hartmann, Christiane Schmullius, Clémence Dubois
Publikováno v:
Remote Sensing, Vol 15, Iss 4, p 1004 (2023)
Understanding forest decline under drought pressure is receiving research attention due to the increasing frequency of large-scale heat waves and massive tree mortality events. However, since assessing mortality on the ground is challenging and costl
Externí odkaz:
https://doaj.org/article/c089f604ac5745e7b934d041bf236cd7
Autor:
Kai Heckel, Marcel Urban, Jean-Sébastien Bouffard, Jussi Baade, Peter Boucher, Andrew Davies, Evan G. Hockridge, Wolfgang Lück, Jonas Ziemer, Izak Smit, Bernhard Jacobs, Mark Norris-Rogers, Christiane Schmullius
Publikováno v:
Koedoe: African Protected Area Conservation and Science, Vol 63, Iss 1, Pp e1-e13 (2021)
The use of digital elevation models has proven to be crucial in numerous studies related to savanna ecosystem research. However, the insufficient spatial resolution of the chosen input data is often considered to be a limiting factor when conducting
Externí odkaz:
https://doaj.org/article/ba35f42a157f4eb2b44c64d8f15ffbab
Autor:
Marlin M. Mueller, Clémence Dubois, Thomas Jagdhuber, Florian M. Hellwig, Carsten Pathe, Christiane Schmullius, Susan Steele-Dunne
Publikováno v:
Remote Sensing, Vol 14, Iss 24, p 6384 (2022)
Forests’ ecosystems are an essential part of the global carbon cycle with vast carbon storage potential. These systems are currently under external pressures showing increasing change due to climate change. A better understanding of the biophysical
Externí odkaz:
https://doaj.org/article/8f8acd9921824b2ca047421234d3f544
Autor:
Angela Lausch, Michael E. Schaepman, Andrew K. Skidmore, Eusebiu Catana, Lutz Bannehr, Olaf Bastian, Erik Borg, Jan Bumberger, Peter Dietrich, Cornelia Glässer, Jorg M. Hacker, Rene Höfer, Thomas Jagdhuber, Sven Jany, András Jung, Arnon Karnieli, Reinhard Klenke, Toralf Kirsten, Uta Ködel, Wolfgang Kresse, Ulf Mallast, Carsten Montzka, Markus Möller, Hannes Mollenhauer, Marion Pause, Minhaz Rahman, Franziska Schrodt, Christiane Schmullius, Claudia Schütze, Peter Selsam, Ralf-Uwe Syrbe, Sina Truckenbrodt, Michael Vohland, Martin Volk, Thilo Wellmann, Steffen Zacharias, Roland Baatz
Publikováno v:
Remote Sensing, Vol 14, Iss 9, p 2279 (2022)
Remote sensing (RS) enables a cost-effective, extensive, continuous and standardized monitoring of traits and trait variations of geomorphology and its processes, from the local to the continental scale. To implement and better understand RS techniqu
Externí odkaz:
https://doaj.org/article/a4edda9a64234b0886db5a931f1698d8
Autor:
Clémence Dubois, Anastasiia Vynohradova, Anna Svet, Robert Eckardt, Martyna Stelmaszczuk-Górska, Christiane Schmullius
Publikováno v:
Education Sciences, Vol 12, Iss 5, p 334 (2022)
The COVID-19 pandemic has a high impact on education at many different levels. In this study, the focus is set on the impact of digital teaching and learning at universities in the field of Earth observation during the COVID-19 pandemic situation. In
Externí odkaz:
https://doaj.org/article/51366e8031c84f6d841186ef22860ed3
Publikováno v:
International Journal of Applied Earth Observations and Geoinformation, Vol 90, Iss , Pp 102070- (2020)
Reliable quantification of savanna vegetation structure is critical for accurate carbon accounting and biodiversity assessment under changing climate and land-use conditions. Inventories of fine-scale vegetation structural attributes are typically co
Externí odkaz:
https://doaj.org/article/1ecebef379ca4fa1b246276dbb1447d5