Search Results - "Boergens, Eva"

ALES+: Adapting a homogenous ocean retracker for satellite altimetry to sea ice leads, coastal and inland waters by Passaro, Marcello, Rose, Stine Kildegaard, Andersen, Ole B., Boergens, Eva, Calafat, Francisco M., Dettmering, Denise, Benveniste, Jérôme

“…Water level from sea ice-covered oceans is particularly challenging to retrieve with satellite radar altimeters due to the different shapes assumed by the…”
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Treating the Hooking Effect in Satellite Altimetry Data: A Case Study along the Mekong River and Its Tributaries by Boergens, Eva, Dettmering, Denise, Schwatke, Christian, Seitz, Florian

“…This study investigates the potential of satellite altimetry for water level time series estimation of smaller inland waters where only very few measurements…”
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Potential of ENVISAT Radar Altimetry for Water Level Monitoring in the Pantanal Wetland by Dettmering, Denise, Schwatke, Christian, Boergens, Eva, Seitz, Florian

“…Wetlands are important ecosystems playing an essential role for continental water regulation and the hydrologic cycle. Moreover, they are sensitive to climate…”
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River Levels Derived with CryoSat-2 SAR Data Classification—A Case Study in the Mekong River Basin by Boergens, Eva, Nielsen, Karina, Andersen, Ole, Dettmering, Denise, Seitz, Florian

“…In this study we use CryoSat-2 SAR (delay-Doppler synthetic-aperture radar) data in the Mekong River Basin to estimate water levels. Compared to classical…”
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GRACE observes the natural and irrigation-induced regional redistribution of water storage in Central Asia by Gafurov, Abror, Selyuzhenok, Valeria, Latinovic, Milena, Apel, Heiko, Mamaraimov, Adkham, Salokhiddinov, Abdulkhakim, Boergens, Eva, Güntner, Andreas

“…Central Asia region, where snow and glacier covered Tian Shan and Pamir mountains serve as “Water Tower” to supply populated areas downstream with essential…”
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Assessment of the capabilities of the temporal and spatiotemporal ICA method for geophysical signal separation in GRACE data by Boergens, Eva, Rangelova, Elena, Sideris, Michael G., Kusche, Juergen

“…We investigate the potential of two independent component analysis (ICA) methods, i.e., the temporal and spatiotemporal ICA, for separating geophysical signals…”
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Quantifying the Central European Droughts in 2018 and 2019 With GRACE Follow‐On by Boergens, Eva, Güntner, Andreas, Dobslaw, Henryk, Dahle, Christoph

“…The GRACE‐FO satellites launched in May 2018 are able to quantify the water mass deficit in Central Europe during the two consecutive summer droughts of 2018…”
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Observing water level extremes in the Mekong River Basin: The benefit of long-repeat orbit missions in a multi-mission satellite altimetry approach by Boergens, Eva, Dettmering, Denise, Seitz, Florian

“…•Novel statistical combination of multi-mission altimetry in river network.•Inclussion of CryoSat-2 enhances water level time series.•Tributaries provide…”
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Self‐Validating Deep Learning for Recovering Terrestrial Water Storage From Gravity and Altimetry Measurements by Irrgang, Christopher, Saynisch‐Wagner, Jan, Dill, Robert, Boergens, Eva, Thomas, Maik

“…Quantifying and monitoring terrestrial water storage (TWS) is an essential task for understanding the Earth's hydrosphere cycle, its susceptibility to climate…”
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The use of B-splines to represent the topography of river networks by Boergens, Eva, Schmidt, Michael, Seitz, Florian

“…This work presents a new extension to B-Splines that enables them to model functions on directed tree graphs such as non-braided river networks. The main…”
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Airborne Laser Scanning for calibration and validation of inshore satellite altimetry: A proof of concept by Zlinszky, András, Boergens, Eva, Glira, Philipp, Pfeifer, Norbert

“…Recent developments in satellite altimetry are leading to improved spatial resolution, allowing applications in the coastal zone and over inland waters…”
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Interannual variations of terrestrial water storage in the East African Rift region by Boergens, Eva, Güntner, Andreas, Sips, Mike, Schwatke, Christian, Dobslaw, Henryk

“…The US–German GRACE (Gravity Recovery and Climate Experiment, 2002–2017) and GRACE-FO (GRACE Follow-On, since 2018) satellite missions observe terrestrial…”
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Combination of multi-mission altimetry data along the Mekong River with spatio-temporal kriging by Boergens, Eva, Buhl, Sven, Dettmering, Denise, Klüppelberg, Claudia, Seitz, Florian

“…River water-level time series at fixed geographical locations, so-called virtual stations, have been computed from single altimeter crossings for many years…”
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Gravitationally Consistent Mean Barystatic Sea Level Rise From Leakage‐Corrected Monthly GRACE Data by Dobslaw, Henryk, Dill, Robert, Bagge, Meike, Klemann, Volker, Boergens, Eva, Thomas, Maik, Dahle, Christoph, Flechtner, Frank

“…Gravitationally consistent solutions of the Sea Level Equation from leakage‐corrected monthly‐mean GFZ RL06 Gravity Recovery and Climate Experiment (GRACE) and…”
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Modelling spatial covariances for terrestrial water storage variations verified with synthetic GRACE-FO data by Boergens, Eva, Dobslaw, Henryk, Dill, Robert, Thomas, Maik, Dahle, Christoph, Murböck, Michael, Flechtner, Frank

“…Gridded terrestrial water storage (TWS) variations observed by GRACE or GRACE-FO typically show a spatial correlation structure that is both anisotropic…”
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Uncertainties of GRACE‐Based Terrestrial Water Storage Anomalies for Arbitrary Averaging Regions by Boergens, Eva, Kvas, Andreas, Eicker, Annette, Dobslaw, Henryk, Schawohl, Lennart, Dahle, Christoph, Murböck, Michael, Flechtner, Frank

“…The application of terrestrial water storage (TWS) data observed with GRACE and GRACE‐FO often requires realistic uncertainties. For gridded TWS data, this…”
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Veränderungen der Wasserspeicherung in Deutschland seit 2002 aus Beobachtungen der Satellitengravimetrie by Güntner, Andreas, Gerdener, Helena, Boergens, Eva, Kusche, Jürgen, Kollet, Stefan, Dobslaw, Henryk, Hartick, Carl, Sharifi, Ehsan, Flechtner, Frank

“…Seit dem Jahr 2018 traten in weiten Teilen Europas unterdurchschnittliche Jahresniederschläge und überdurchschnittliche Lufttemperaturen auf, einhergehend mit…”
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Potential of SARAL/AltiKa for Inland Water Applications by Schwatke, Christian, Dettmering, Denise, Börgens, Eva, Bosch, Wolfgang

“…SARAL uses the same orbit as ERS and Envisat and can be used to extend inland water height time series derived from these missions. This article investigates…”
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Potential of ENVISAT Radar Altimetry for Water Level Monitoring in the Pantanal Wetland by Dettmering, Denise, Schwatke, Christian, Boergens, Eva, Seitz, Florian

“…Wetlands are important ecosystems playing an essential role for continental water regulation and the hydrologic cycle. Moreover, they are sensitive to climate…”
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Was sagen uns Änderungen im Erdschwerefeld? by Flechtner, Frank, Börgens, Eva, Sasgen, Ingo

“…Zusammenfassung Die zeitlichen Variationen des Schwerefelds der Erde sind einzigartige Beobachtungen, die erst mit GRACE und nun GRACE‐FO ermöglicht wurden…”
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