Large-Scale Forest Height Mapping by Combining TanDEM-X and GEDI Data

Autor: Changhyun Choi, Victor Cazcarra-Bes, Roman Guliaev, Matteo Pardini, Konstantinos P. Papathanassiou, Wenlu Qi, John Armston, Ralph O. Dubayah

Publikováno v: IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, Vol 16, Pp 2374-2385 (2023)

The present study addresses the development, implementation, and validation of a forest height mapping scheme based on the combination of TanDEM-X interferometric coherence and GEDI waveform measurements. The very general case where only a single pol

Externí odkaz: https://doaj.org/article/b493c3691f6d44ce8ba4718c63dc5791

Comparing frameworks for biomass prediction for the Global Ecosystem Dynamics Investigation

Autor: Svetlana Saarela, Sören Holm, Sean P. Healey, Paul L. Patterson, Zhiqiang Yang, Hans-Erik Andersen, Ralph O. Dubayah, Wenlu Qi, Laura I. Duncanson, John D. Armston, Terje Gobakken, Erik Næsset, Magnus Ekström, Göran Ståhl

NASA's Global Ecosystem Dynamics Investigation (GEDI) mission offers data for temperate and pan-tropical estimates of aboveground forest biomass (AGB). The spaceborne, full-waveform LiDAR from GEDI provides sample footprints of canopy structure, expe

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::bf53e3187f4132b1afe300e7311de63a
http://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-203224

The Global Ecosystem Dynamics Investigation: High-resolution laser ranging of the Earth’s forests and topography

Autor: Sean P. Healey, Wenlu Qi, J. B. Blair, Matthew C. Hansen, Lola Fatoyinbo, John Armston, Paul L. Patterson, Scott B. Luthcke, George C. Hurtt, James R. Kellner, Steven Hancock, Scott J. Goetz, Ralph Dubayah, Michelle Hofton, Patrick Jantz, Hao Tang, Laura Duncanson, S. Marselis, Carlos A. Silva

Publikováno v: Science of Remote Sensing, Vol 1, Iss, Pp 100002-(2020)
Dubayah, R, Blair, J B, Goetz, S, Fatoyinbo, L, Hansen, M, Healey, S, Hofton, M, Hurtt, G, Kellner, J, Luthcke, S, Armston, J, Tang, H, Duncanson, L, Hancock, S, Jantz, P, Marselis, S, Patterson, P L, Qi, W & Silva, C 2020, ' The Global Ecosystem Dynamics Investigation: High-resolution laser ranging of the Earth’s forests and topography ', Science of Remote Sensing, vol. 1, pp. 100002 . https://doi.org/10.1016/j.srs.2020.100002, https://doi.org/10.1016/j.srs.2020.100002

Obtaining accurate and widespread measurements of the vertical structure of the Earth’s forests has been a long-sought goal for the ecological community. Such observations are critical for accurately assessing the existing biomass of forests, and h

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::9fa203c1acfe88ed98c547a3c815a62d
http://www.sciencedirect.com/science/article/pii/S2666017220300018

Spaceborne Data Fusion for Large-Scale Forest Parameter Estimation: GEDI Lidar & Tandem-X INSAR Missions

Autor: S. Marselis, Wenlu Qi, Steven Hancock, Ralph Dubayah, John Armston, Seung-Kuk Lee, Temilola Fatoyinbo

Publikováno v: IGARSS

The forest structure parameters are important parameters for understanding of the global forest carbon storage and cycle, forest richness/biodiversity, as well as climate changes. Lidar waveform and (polarimetric) SAR interferometry have been widely

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::34fbd21de7ad581b18043e33d3ae4b90
https://doi.org/10.1109/igarss.2019.8899854

Gedi and Tandem-X Fusion for 3D Forest Structure Parameter Retrieval

Autor: Seung-Kuk Lee, Wenlu Qi, Steven Hancock, Ralph Dubayah, Temilola Fatoyinbo, John Armston

Publikováno v: IGARSS

Three dimensional forest structure parameters are important components for understanding of the global forest carbon storage and cycle, as well as climate changes. Polarimetric SAR Interferometry (Pol-InSAR) techniques and waveform lidar have been wi

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::c7913406ffb551f812049be8c052e90f
https://doi.org/10.1109/igarss.2018.8517718