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Dr. ir. M. (Marcel) Kleinherenbrink

Profile Marcel is a postdoctoral researcher at the department of Geoscience and Remote Sensing. He obtained his doctoral degree in 2018 on sea-level change and vertical land motion using various in-situ and geodetic remote-sensing data. After the doctoral research, Marcel got involved in advanced satellite radar altimetry data processing over inland water, coastal zones and open ocean. His current work focusses on performance studies and retrieval algorithms for ocean geophysical parameters of the Earth Explorer 10 candidate mission Harmony. Research Marcel combines his work on Harmony with novel methods in satellite radar altimetry data processing. Marcel investigates novel retrieval methods for high-resolution wind stress, ocean current and ocean-wave spectra by modelling Harmony’s observations over complex scenarios. Expertise gained in this area is also transferred to high-resolution SAR altimetry for which he supports several PhD candidates. (Key) publications Collard, F., Marie, L., Nouguier, F., Kleinherenbrink, M., Ehlers, F., & Ardhuin, F. (2022). Wind-wave attenuation under sea ice in the Arctic: a review of remote sensing capabilities, JGR: Oceans, 127(7), e2022JC018654, doi:10.1029/2022JC018654. Altiparmaki, O., Kleinherenbrink, M., Naeije, M., Slobbe, C., & Visser, P. (2022). SAR altimetry data as a new source for swell monitoring. Geophysical Research Letters, 49(7), e2021GL096224, doi:10.1029/2021GL096224. Kleinherenbrink, M., Korosov, A., Newman, T., Theodosiou, A., Komarov, A. S., Li, Y., Mulder, G., Rampal, P., Stroeve, J., & Lopez-Dekker, P. (2021). Estimating instantaneous sea-ice dynamics from space using the bi-static radar measurements of Earth Explorer 10 candidate Harmony. The Cryosphere, 15(7), 3101-3118, doi:10.5194/tc-15-3101-2021. Kleinherenbrink, M., Naeije, M., Slobbe, C., Egido, A., & Smith, W. (2020). The performance of CryoSat-2 fully-focussed SAR for inland water-level estimation. Remote Sensing of Environment, 237, 111589, doi:10.1016/j.rse.2019.111589. Kleinherenbrink, M., Riva, R., & Scharroo, R. (2019). A revised acceleration rate from the altimetry-derived global mean sea level record. Scientific reports, 9(1), 1-6, doi: 10.1038/s41598-019-47340-z. Kleinherenbrink, M., Riva, R., & Frederikse, T. (2018). A comparison of methods to estimate vertical land motion trends from GNSS and altimetry at tide gauge stations. Ocean Science, 14(2), 187-204, doi:10.5194/os-14-187-2018. Full list: https://www.researchgate.net/profile/M-Kleinherenbrink Marcel Kleinherenbink Postdoctoral researcher +31 15 2783478 m.kleinherenbrink@tudelft.nl Faculty of Civil Engineering and Geosciences Building 23, room 2.05 Stevinweg 1 / PO box 5048 2628 CN Delft / 2600 GA Delft Availability: Mon, Tue, Wed, Thu, Fri linkedin twitter google-scholar 0

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Dr. ir. M. (Marcel) Kleinherenbrink

Profile Marcel is a postdoctoral researcher at the department of Geoscience and Remote Sensing. He obtained his doctoral degree in 2018 on sea-level change and vertical land motion using various in-situ and geodetic remote-sensing data. After the doctoral research, Marcel got involved in advanced satellite radar altimetry data processing over inland water, coastal zones and open ocean. His current work focusses on performance studies and retrieval algorithms for ocean geophysical parameters of the Earth Explorer 10 candidate mission Harmony. Research Marcel combines his work on Harmony with novel methods in satellite radar altimetry data processing. Marcel investigates novel retrieval methods for high-resolution wind stress, ocean current and ocean-wave spectra by modelling Harmony’s observations over complex scenarios. Expertise gained in this area is also transferred to high-resolution SAR altimetry for which he supports several PhD candidates. (Key) publications Collard, F., Marie, L., Nouguier, F., Kleinherenbrink, M., Ehlers, F., & Ardhuin, F. (2022). Wind-wave attenuation under sea ice in the Arctic: a review of remote sensing capabilities, JGR: Oceans, 127(7), e2022JC018654, doi:10.1029/2022JC018654. Altiparmaki, O., Kleinherenbrink, M., Naeije, M., Slobbe, C., & Visser, P. (2022). SAR altimetry data as a new source for swell monitoring. Geophysical Research Letters, 49(7), e2021GL096224, doi:10.1029/2021GL096224. Kleinherenbrink, M., Korosov, A., Newman, T., Theodosiou, A., Komarov, A. S., Li, Y., Mulder, G., Rampal, P., Stroeve, J., & Lopez-Dekker, P. (2021). Estimating instantaneous sea-ice dynamics from space using the bi-static radar measurements of Earth Explorer 10 candidate Harmony. The Cryosphere, 15(7), 3101-3118, doi:10.5194/tc-15-3101-2021. Kleinherenbrink, M., Naeije, M., Slobbe, C., Egido, A., & Smith, W. (2020). The performance of CryoSat-2 fully-focussed SAR for inland water-level estimation. Remote Sensing of Environment, 237, 111589, doi:10.1016/j.rse.2019.111589. Kleinherenbrink, M., Riva, R., & Scharroo, R. (2019). A revised acceleration rate from the altimetry-derived global mean sea level record. Scientific reports, 9(1), 1-6, doi: 10.1038/s41598-019-47340-z. Kleinherenbrink, M., Riva, R., & Frederikse, T. (2018). A comparison of methods to estimate vertical land motion trends from GNSS and altimetry at tide gauge stations. Ocean Science, 14(2), 187-204, doi:10.5194/os-14-187-2018. Full list: https://www.researchgate.net/profile/M-Kleinherenbrink Marcel Kleinherenbink Postdoctoral researcher +31 15 2783478 m.kleinherenbrink@tudelft.nl Faculty of Civil Engineering and Geosciences Building 23, room 2.05 Stevinweg 1 / PO box 5048 2628 CN Delft / 2600 GA Delft Availability: Mon, Tue, Wed, Thu, Fri linkedin twitter google-scholar 0
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TU Delft jointly wins XPRIZE Rainforest drone competition in Brazil

TU Delft jointly wins in the XPRIZE Rainforest competition in the Amazon, Brazil Imagine using rapid and autonomous robot technology for research into the green and humid lungs of our planet; our global rainforests. Drones that autonomously deploy eDNA samplers and canopy rafts uncover the rich biodiversity of these complex ecosystems while revealing the effects of human activity on nature and climate change. On November 15, 2024, after five years of intensive research and competition, the ETHBiodivX team, which included TU Delft Aerospace researchers Salua Hamaza and Georg Strunck, achieved an outstanding milestone: winning the XPRIZE Rainforest Bonus Prize for outstanding effort in co-developing inclusive technology for nature conservation. The goal: create automated technology and methods to gain near real-time insights about biodiversity – providing necessary data that can inform conservation action and policy, support sustainable bioeconomies, and empower Indigenous Peoples and local communities who are the primary protectors and knowledge holders of the planet’s tropical rainforests. The ETHBiodivX team, made of experts in Robotics, eDNA, and Data Insights, is tackling the massive challenge of automating and streamlining the way we monitor ecosystems. Leading the Robotics division, a collaboration between TU Delft’s Prof. Salua Hamaza, ETH Zurich’s Prof. Stefano Mintchev and Aarhus University’s Profs. Claus Melvad and Toke Thomas Høye, is developing cutting-edge robotic solutions to gather ecology and biology data autonomously. “We faced the immense challenge of deploying robots in the wild -- and not just any outdoor environment but one of the most demanding and uncharted: the wet rainforests. This required extraordinary efforts to ensure robustness and reliability, pushing the boundaries of what the hardware could achieve for autonomous data collection of images, sounds, and eDNA, in the Amazon” says prof. Hamaza. “Ultimately, this technology will be available to Indigenous communities as a tool to better understand the forest's ongoing changes in biodiversity, which provide essential resources as food and shelter to the locals.” . . . .

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