Zobrazeno 1 - 10
of 36
pro vyhledávání: '"K. Olaf Niemann"'
Publikováno v:
Remote Sensing, Vol 13, Iss 16, p 3219 (2021)
This study examines the response of a cold-regions deltaic wetland ecosystem in northwestern Canada to two separate and differing seasonal wetting cycles. The goal of this paper was to examine the nature of reflected electromagnetic energy measured b
Externí odkaz:
https://doaj.org/article/f2008c7acaf6483197165d2706252cc3
Publikováno v:
Remote Sensing, Vol 12, Iss 22, p 3819 (2020)
A project was constructed to integrate remotely sensed data from multiple sensors and platforms to characterize range of ecosystem characteristics in the Peace–Athabasca Delta in Northern Alberta, Canada. The objective of this project was to provid
Externí odkaz:
https://doaj.org/article/a3569a95610f4dab979d67c11d89c23e
Autor:
Daniel L. Peters, Robert Skelly, K. Olaf Niemann, Chris Hopkinson, Brian Brisco, Donald J. Baird
Publikováno v:
Hydrological Processes. 36
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::071188d6c3e9cb139f389f567656e4e9
https://doi.org/10.1002/hyp.14776
https://doi.org/10.1002/hyp.14776
Publikováno v:
Remote Sensing, Vol 12, Iss 3819, p 3819 (2020)
Remote Sensing; Volume 12; Issue 22; Pages: 3819
Remote Sensing; Volume 12; Issue 22; Pages: 3819
A project was constructed to integrate remotely sensed data from multiple sensors and platforms to characterize range of ecosystem characteristics in the Peace–Athabasca Delta in Northern Alberta, Canada. The objective of this project was to provid
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::86c6db6f520903fbfe908828e2aa1902
https://www.mdpi.com/2072-4292/12/22/3819
https://www.mdpi.com/2072-4292/12/22/3819
Publikováno v:
Agricultural and forest meteorology, 232, 152-162. Elsevier
Leaf water content (LWC) within a plant canopy plays an important role in light penetration and scattering, thus affecting reflectance simulation with radiative transfer models. It is also of key importance for the distribution of other plant biochem
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::025ce12c1b66b489351cf25a6bedb792
https://doi.org/10.1016/j.agrformet.2016.08.016
https://doi.org/10.1016/j.agrformet.2016.08.016
Publikováno v:
IGARSS
This paper describes the development of a multisensor UAV -based imaging platform. A sensor package consisting of a LiDAR, imaging spectrometer, and RGB camera were integrated with an inertial navigation system. This package is currently being flown
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3efd99e80685d4ed423eb5c07ef8f6c0
https://doi.org/10.1109/igarss.2018.8518070
https://doi.org/10.1109/igarss.2018.8518070
Autor:
Tiejun Wang, Roshanak Darvishzadeh, K. Olaf Niemann, Yifang Shi, Andrew K. Skidmore, Jing Liu, Xi Zhu
Publikováno v:
International Journal of Applied Earth Observation and Geoinformation (JAG), 64, 43-50. Elsevier
Separation of foliar and woody materials using remotely sensed data is crucial for the accurate estimation of leaf area index (LAI) and woody biomass across forest stands. In this paper, we present a new method to accurately separate foliar and woody
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::924060442142b08f123584a6d319dda3
https://research.utwente.nl/en/publications/f992312d-1e78-4ea1-8ddf-4ab399d015db
https://research.utwente.nl/en/publications/f992312d-1e78-4ea1-8ddf-4ab399d015db
Publikováno v:
Canadian Journal of Remote Sensing. 41:191-202
A study was undertaken to examine the spectral properties of trees infected by mountain pine beetle (Dendrotonus ponderosae, Hopkins) in central British Columbia. A monoculture pine forest infected with mountain pine beetle was flown in early autumn
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::25fe1b8c3dea6df1c40b9cc20661d54a
https://doi.org/10.1080/07038992.2015.1065707
https://doi.org/10.1080/07038992.2015.1065707
Publikováno v:
ISPRS journal of photogrammetry and remote sensing, 110, 14-23. Elsevier
Leaf water content (LWC) plays an important role in agriculture and forestry management. It can be used to assess drought conditions and wildfire susceptibility. Terrestrial laser scanner (TLS) data have been widely used in forested environments for
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::1b13e31ad4c14712cd5f85f2e1f8217d
http://ezproxy.utwente.nl:2048/login?url=https://webapps.itc.utwente.nl/library/2015/isi/wang_3d.pdf
http://ezproxy.utwente.nl:2048/login?url=https://webapps.itc.utwente.nl/library/2015/isi/wang_3d.pdf
Publikováno v:
Agricultural and Forest Meteorology. :72-85
a b s t r a c t Forest canopy structure consists of the complex spatial arrangement of the foliage, branches, and boles of trees. Measuring forest canopy structure is an active research question because of its influence on a wide range of biophysical
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2bf83fa5861d0d0ae32f99ecc50b876d
https://doi.org/10.1016/j.agrformet.2012.06.007
https://doi.org/10.1016/j.agrformet.2012.06.007