Zobrazeno 1 - 10
of 132
pro vyhledávání: '"Joachim Hill"'
Publikováno v:
Forests, Vol 13, Iss 12, p 2148 (2022)
A timely and spatially high-resolution detection of drought-affected forest stands is important to assess and deal with the increasing risk of forest fires. In this paper, we present how multitemporal Sentinel-1 synthetic aperture radar (SAR) data ca
Externí odkaz:
https://doaj.org/article/f10ca0d07518471382f730784d718de1
Publikováno v:
Remote Sensing, Vol 12, Iss 12, p 1906 (2020)
New Zealand kauri trees are threatened by the kauri dieback disease (Phytophthora agathidicida (PA)). In this study, we investigate the use of pan-sharpened WorldView-2 (WV2) satellite and Light Detection and Ranging (LiDAR) data for detecting stress
Externí odkaz:
https://doaj.org/article/1e4777362c91406c813b6ebb2dc19612
Publikováno v:
Remote Sensing, Vol 12, Iss 6, p 926 (2020)
The endemic New Zealand kauri trees (Agathis australis) are under threat by the deadly kauri dieback disease (Phytophthora agathidicida (PA)). This study aimed to identify spectral index combinations for characterising visible stress symptoms in the
Externí odkaz:
https://doaj.org/article/b4d448bd4b6b4374b7715eb231e0a31f
Publikováno v:
Remote Sensing, Vol 7, Iss 10, Pp 14227-14258 (2015)
Given the importance of forest ecosystems, the availability of reliable, spatially explicit information about the site-specific climate sensitivity of tree species is essential for implementing suitable adaptation strategies. In this study, airborne
Externí odkaz:
https://doaj.org/article/6d2a1c63707748d0a25a4dc9935f46df
Autor:
Sascha Nink, Joachim Hill, Henning Buddenbaum, Johannes Stoffels, Thomas Sachtleber, Joachim Langshausen
Publikováno v:
Remote Sensing, Vol 7, Iss 9, Pp 12009-12040 (2015)
The availability of accurate and timely information on timber volume is important for supporting operational forest management. One option is to combine statistical concepts (e.g., small area estimates) with specifically designed terrestrial sampling
Externí odkaz:
https://doaj.org/article/06220201fe374ca1aa4b7af443929365
Autor:
Luis Guanter, Hermann Kaufmann, Karl Segl, Saskia Foerster, Christian Rogass, Sabine Chabrillat, Theres Kuester, André Hollstein, Godela Rossner, Christian Chlebek, Christoph Straif, Sebastian Fischer, Stefanie Schrader, Tobias Storch, Uta Heiden, Andreas Mueller, Martin Bachmann, Helmut Mühle, Rupert Müller, Martin Habermeyer, Andreas Ohndorf, Joachim Hill, Henning Buddenbaum, Patrick Hostert, Sebastian van der Linden, Pedro J. Leitão, Andreas Rabe, Roland Doerffer, Hajo Krasemann, Hongyan Xi, Wolfram Mauser, Tobias Hank, Matthias Locherer, Michael Rast, Karl Staenz, Bernhard Sang
Publikováno v:
Remote Sensing, Vol 7, Iss 7, Pp 8830-8857 (2015)
Imaging spectroscopy, also known as hyperspectral remote sensing, is based on the characterization of Earth surface materials and processes through spectrally-resolved measurements of the light interacting with matter. The potential of imaging spectr
Externí odkaz:
https://doaj.org/article/1ff6855b9e1442db80abe20930fc32f7
Autor:
Johannes Stoffels, Joachim Hill, Thomas Sachtleber, Sebastian Mader, Henning Buddenbaum, Oksana Stern, Joachim Langshausen, Jürgen Dietz, Godehard Ontrup
Publikováno v:
Forests, Vol 6, Iss 6, Pp 1982-2013 (2015)
A key factor for operational forest management and forest monitoring is the availability of up-to-date spatial information on the state of forest resources. Earth observation can provide valuable contributions to these information needs. The German f
Externí odkaz:
https://doaj.org/article/756a76a733604c548ffbaf8612d7d47d
Publikováno v:
Remote Sensing, Vol 7, Iss 2, Pp 1181-1205 (2015)
Modeling and mapping of soil properties has been identified as key for effective land degradation management and mitigation. The ability to model and map soil properties at sufficient accuracy for a large agriculture area is demonstrated using Advanc
Externí odkaz:
https://doaj.org/article/974b3e21ef5a475891577c80c41a459c
Publikováno v:
Remote Sensing, Vol 6, Iss 11, Pp 10813-10834 (2014)
The monitoring of soil salinity levels is necessary for the prevention and mitigation of land degradation in arid environments. To assess the potential of remote sensing in estimating and mapping soil salinity in the El-Tina Plain, Sinai, Egypt, two
Externí odkaz:
https://doaj.org/article/068ca0738b3543bdb10826e288a402d1
Publikováno v:
Remote Sensing, Vol 6, Iss 3, Pp 2601-2627 (2014)
The characterization of canopy structure is crucial for modeling eco-physiological processes. Two commonly used metrics for characterizing canopy structure are the gap fraction and the effective Plant Area Index (PAIe). Both have been successfully re
Externí odkaz:
https://doaj.org/article/06fc60ec5bd745de80b9ddd183ffcc74