Research output per year
Research output per year
Research output
- 1 - 50 out of 132 results
Search results
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2025
AAU’s approach for assimilating current and future satellite gravity data into high resolution global hydrological models
Forootan, E., Yang, F., Retegui Schiettekatte, L. A., Schlaak, M., Pail, R. & Schumacher, M., May 2025.Research output: Contribution to conference without publisher/journal › Conference abstract for conference › Research
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An efficient data assimilation (DA) approach for integrating GRACE-C, NGGM, and MAGIC data into global high resolution hydrological models
Yang, F., Schumacher, M., Retegui Schiettekatte, L. A., Schlaak, M., Pail, R. & Forootan, E., May 2025.Research output: Contribution to conference without publisher/journal › Conference abstract for conference › Research
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Assessing daily GRACE Data Assimilation during flood events of the Brahmaputra River Basin
Retegui Schiettekatte, L. A., Schumacher, M., Madsen, H. & Forootan, E., 1 May 2025, In: Science of the Total Environment. 975, 12 p., 179181.Research output: Contribution to journal › Journal article › Research › peer-review
Open AccessFile4 Downloads (Pure) -
CRA-LICOM: A global high-frequency atmospheric and oceanic temporal gravity field product (2002-2024)
Yang, F., Bai, J., LIU, H., ZHANG, W., WU, Y., Liu, S., Shi, C., Zhang, T., Zhong, M., Zhu, Z., Wang, C., Forootan, E., Yu, J., Yu, Z. & Xiao, Y., 17 Mar 2025, Earth System Science Data, 36 p.Research output: Working paper/Preprint › Preprint
Open AccessFile -
Developing Earth Upper Atmosphere Forecast Tools
Forootan, E., Farzaneh, S. & Schmidt, M., May 2025.Research output: Contribution to conference without publisher/journal › Conference abstract for conference › Research
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Exploring GRACE and GRACE-FO data to estimate the groundwater component of a digital twin of the terrestrial water cycle
Forootan, E., Mehrnegar, N., Yang, F., Shafiei Joud, M., Retegui Schiettekatte, L. A., Schumacher, M. & Brocca, L., May 2025.Research output: Contribution to conference without publisher/journal › Conference abstract for conference › Research
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Exploring the impact of the temporal resolution of satellite gravity products on hydrological Data Assimilation (DA)
Retegui Schiettekatte, L. A., Yang, F., Schumacher, M., Schlaak, M., Pail, R. & Forootan, E., May 2025.Research output: Contribution to conference without publisher/journal › Conference abstract for conference › Research
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Forecasting rainfall events based on zenith wet delay time series utilizing eXtreme Gradient Boosting (XGBoost)
Dehvari, M., Farzaneh, S. & Forootan, E., 1 Feb 2025, In: Advances in Space Research. 75, 3, p. 2584-2598 15 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Geodesy for Climate Actions
Shum, C. K., Wang, S., Zhang, Y., Xiao, Y., Tang, Y., Uz, M., Uz, M., Atman, K., Akyilmaz, O., Forootan, E., Montillet, J.-P., Benveniste, J. & Lansard, E., May 2025.Research output: Contribution to conference without publisher/journal › Conference abstract for conference › Research
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GGOS Focus Area on Geodetic Space Weather Research – Current Status
Schmidt, M. & Forootan, E., May 2025.Research output: Contribution to conference without publisher/journal › Conference abstract for conference › Research
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Global Water Monitor 2024 - Summary Report
van Dijk, A., Beck, H. E., Rozas Larraondo, P., Boergens, E., de Jeu, R. A. M., Dorigo, W. A., Edirisinghe, C., Forootan, E., Guo, E., Güntner, A., Hou, J., Mehrnegar, N., Mo, S., Preimesberger, W. & Rahman, J., Jan 2025, www.globalwater.online. 58 p.Research output: Book/Report › Report › Research
Open Access -
How can a hierarchical Bayesian approach bridge the gap between multi-source remote sensing data and hydrological models?
Mehrnegar, N. & Forootan, E., May 2025.Research output: Contribution to conference without publisher/journal › Conference abstract for conference › Research
Open Access -
HUST-CRA: A New Atmospheric De-aliasing Model for Satellite Gravimetry
ZHANG, W., Yang, F., WU, Y., LIU, H., Zhang, T., Luo, Z. & Forootan, E., Feb 2025, In: ADVANCES IN ATMOSPHERIC SCIENCES. 42, 2, p. 382–396 15 p.Research output: Contribution to journal › Journal article › Research › peer-review
1 Citation (Scopus)40 Downloads (Pure) -
Improving Hydrological Process Representation in the Ganges River Basin Using a Data-Assimilation Approach
Tiwari, S., Forootan, E., Nikam, B. R. & Schumacher, M., 2025.Research output: Contribution to conference without publisher/journal › Conference abstract for conference › Research
Open Access -
Near-real-time monitoring of global terrestrial water storage anomalies and hydrological droughts
Mo, S., Schumacher, M., van Dijk, A. I., Shi, X., Wu, J. & Forootan, E., 16 Apr 2025, In: Journal of Geophysical Research. 52, 7, e2024GL112677.Research output: Contribution to journal › Journal article › Research › peer-review
Open AccessFile7 Downloads (Pure) -
PyHawk: An efficient gravity recovery solver for low–low satellite-to-satellite tracking gravity missions
WU, Y., Yang, F., Liu, S. & Forootan, E., Jul 2025, In: Computers & Geosciences. 201, 10 p., 105934.Research output: Contribution to journal › Journal article › Research › peer-review
File2 Downloads (Pure) -
SAGEA: A toolbox for comprehensive error assessment of GRACE and GRACE-FO based mass changes
Liu, S., Yang, F. & Forootan, E., Feb 2025, In: Computers & Geosciences. 196, 15 p., 105825.Research output: Contribution to journal › Journal article › Research › peer-review
1 Citation (Scopus) -
Satellite-based quantification of natural and human-induced water storage changes in the Murray-Darling River Basin, Australia
Schumacher, M., van Dijk, A., Retegui Schiettekatte, L. A., Yang, F. & Forootan, E., May 2025.Research output: Contribution to conference without publisher/journal › Conference abstract for conference › Research
Open Access -
Terrestrial Water Storage Data Assimilation into large-scale hydrological models: a new sequential filter to mitigate errors of ensemble-based disaggregation schemes
Retegui Schiettekatte, L. A., Schumacher, M., Yang, F., Madsen, H. & Forootan, E., May 2025.Research output: Contribution to conference without publisher/journal › Conference abstract for conference › Research
Open Access -
The impacts of climatic variations and human water use on global and regional terrestrial water storage changes
Klemmensen, S. G., Forootan, E., Nyenah, E., Dӧll, P. & Schumacher, M., May 2025.Research output: Contribution to conference without publisher/journal › Conference abstract for conference › Research
Open Access -
2024
A Monte Carlo Propagation of the Full Variance‐Covariance of GRACE‐Like Level‐2 Data With Applications in Hydrological Data Assimilation and Sea‐Level Budget Studies
Yang, F., Forootan, E., Liu, S. & Schumacher, M., Sept 2024, In: Water Resources Research. 60, 9, 31 p., e2023WR036764.Research output: Contribution to journal › Journal article › Research › peer-review
Open AccessFile3 Citations (Scopus)13 Downloads (Pure) -
A novel dynamic scale factor designed for recovering global TWS changes
Chen, W., Forootan, E., Shum, C., Zhong, M., Feng, W., Xiong, Y. & Li, W., Jun 2024, In: Journal of Hydrology. 637, 15 p., 131364.Research output: Contribution to journal › Journal article › Research › peer-review
3 Citations (Scopus) -
A spatial-varying non-isotropic Gaussian-based convolution filter for smoothing GRACE-like temporal gravity fields
Yang, F., Liu, S. & Forootan, E., 6 Jul 2024, In: Journal of Geodesy. 98, 7, 27 p., 66.Research output: Contribution to journal › Journal article › Research › peer-review
4 Citations (Scopus) -
Assessment of ZWD field predictions using the dynamic mode decomposition method
Dehvari, M., Farzaneh, S. & Forootan, E., 20 Jul 2024, In: GPS Solutions. 28, 3, 13 p., 145.Research output: Contribution to journal › Journal article › Research › peer-review
2 Citations (Scopus) -
Assimilating Space-Based Thermospheric Neutral Density (TND) Data Into the TIE-GCM Coupled Model During Periods With Low and High Solar Activity
Kosary, M., Farzaneh, S., Schumacher, M. & Forootan, E., 31 Mar 2024, In: Space Weather. 22, 4, 29 p.Research output: Contribution to journal › Journal article › Research › peer-review
Open AccessFile13 Downloads (Pure) -
A statistical collocation accuracy assessment of contemporary satellite temporal gravimetry data products
Chen, W., Xiong, Y., Shum, C. K., Forootan, E., Zhong, M., Ran, J., Wang, C., Feng, W., Li, W., Yang, Z. & Shen, Y., 31 Dec 2024, In: All Earth. 36, 1, p. 1-17 17 p.Research output: Contribution to journal › Journal article › Research › peer-review
Open AccessFile9 Downloads (Pure) -
Benefits and challenges of daily GRACE(-FO) satellite Data Assimilation (DA) for predicting fast-evolving hydrological processes.
Retegui-Schiettekatte, L., Schumacher, M. & Forootan, E., 2024.Research output: Contribution to conference without publisher/journal › Conference abstract for conference › Research
Open Access -
Ensemble based estimation of wet refractivity indices using a functional model approach
Dehvari, M., Farzaneh, S. & Forootan, E., 15 Oct 2024, In: Earth and Space Science. 11, 10, 18 p., e2023EA003453.Research output: Contribution to journal › Journal article › Research › peer-review
Open AccessFile10 Downloads (Pure) -
Global groundwater droughts are more severe than they appear in hydrological models: an investigation through a Bayesian merging of GRACE and GRACE-FO data with a water balance model
Forootan, E., Mehrnegar, N., Schumacher, M., Retegui Schiettekatte, L. A., Jagdhuber, T., Farzaneh, S., van Dijk, A. I. J. M., Shamsudduha , M. & Shum, C., 20 Feb 2024, In: Science of the Total Environment. 912, 14 p., 169476.Research output: Contribution to journal › Journal article › Research › peer-review
Open AccessFile6 Citations (Scopus)55 Downloads (Pure) -
How Big Data Can Help to Monitor the Environment and to Mitigate Risks due to Climate Change: A review
Montillet, J.-P., Kermarrec, G., Forootan, E., Haberreiter, M., He, X., Finsterle, W., Fernandes, R. & Shum, C., Jun 2024, In: IEEE Geoscience and Remote Sensing Magazine. 12, 2, p. 67 - 89 23 p.Research output: Contribution to journal › Journal article › Research › peer-review
File13 Citations (Scopus)272 Downloads (Pure) -
PyGLDA: a fine-scale Python-based Global Land Data Assimilation system for integrating satellite gravity data into hydrological models
Yang, F., Schumacher, M., Retegui-Schiettekatte, L., van Dijk, A. I. & Forootan, E., 19 Jul 2024, (Submitted) In: Geoscientific Model Development Discussions. 2024, p. 1-34 34 p.Research output: Contribution to journal › Journal article › Research
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Quantifying accuracy and spatial resolution of GRACE(-FO) products and their impact on global data assimilation studies
Yang, F., Schumacher, M. & Forootan, E., Sept 2024, p. GSTM2024-63.Research output: Contribution to conference without publisher/journal › Conference abstract for conference › Research
Open Access -
Sequential calibration and data assimilation for predicting atmospheric variability
Forootan, E., Farzaneh, S., Dehvari, M., Retegui-Schiettekatte, L. & Schumacher, M., 2024.Research output: Contribution to conference without publisher/journal › Conference abstract for conference › Research
Open Access -
Spline retracker: a geometrical retracking algorithm for coastal and open ocean altimetry
Mafi, S., Farzaneh, S., Sharifi, M. A. & Forootan, E., 3 Mar 2024, In: Marine Geodesy. 47, 2, p. 83-118 36 p.Research output: Contribution to journal › Journal article › Research › peer-review
Open AccessFile1 Citation (Scopus)45 Downloads (Pure) -
The AAU Calibration and Data Assimilation (CDA) approach for improving large-scale hydrological models in a changing climate
Schumacher, M., Schiettekatte, L. R., Yang, F. & Forootan, E., 2024.Research output: Contribution to conference without publisher/journal › Conference abstract for conference › Research
Open Access -
2023
Assessing a calibration and data assimilation technique for predicting multi-level global thermospheric neutral density fields
Forootan, E., Farzaneh, S., Kosary, M., Borries, C., Kodikara, T., Doornbos, E. & Schumacher, M., Apr 2023.Research output: Contribution to conference without publisher/journal › Conference abstract for conference › Research
Open Access -
Developing Iran's empirical zenith wet delay model (IR-ZWD)
Dehvari, M., Farzaneh, S. & Forootan, E., 10 Dec 2023, In: Journal of Atmospheric and Solar-Terrestrial Physics. 253, 11 p., 106163.Research output: Contribution to journal › Journal article › Research › peer-review
File3 Citations (Scopus)37 Downloads (Pure) -
Empirical Data Assimilation for Merging Total Electron Content Data with Empirical and Physical Models
Forootan, E., Kosary, M., Farzaneh, S. & Schumacher, M., Dec 2023, In: Surveys in Geophysics. 44, 6, p. 2011-2041 31 p.Research output: Contribution to journal › Journal article › Research › peer-review
Open AccessFile5 Citations (Scopus)110 Downloads (Pure) -
ESA’s multi-level global thermosphere data products consistent with Swarm and GRACE(-FO)
Forootan, E., 17 Apr 2023, European Space Agency. 58 p.Research output: Book/Report › Report › Research › peer-review
Open Access -
Improving the Wet Refractivity Estimation Using the Extremely Learning Machine (ELM) Technique
Forootan, E., Dehvari, M., Farzaneh, S. & Karimi, S., 4 Jan 2023, In: Atmosphere. 14, 1, 17 p., 112.Research output: Contribution to journal › Journal article › Research › peer-review
Open AccessFile7 Citations (Scopus)108 Downloads (Pure) -
Machine learning based downscaling of GRACE-estimated groundwater in Central Valley, California
Agarwal, V., Akyilmaz, O., Shum, C., Feng, W., Yang, T.-Y., Forootan, E., Syed, T. H., Haritashya, U. K. & Uz, M., 20 Mar 2023, In: Science of the Total Environment. 865, 14 p., 161138.Research output: Contribution to journal › Journal article › Research › peer-review
Open AccessFile44 Citations (Scopus)203 Downloads (Pure) -
Making the Best Use of GRACE, GRACE-FO and SMAP Data Through a Constrained Bayesian Data-Model Integration
Mehrnegar, N., Schumacher, M., Jagdhuber, T. & Forootan, E., Sept 2023, In: Water Resources Research. 59, 9, 22 p., e2023WR034544.Research output: Contribution to journal › Journal article › Research › peer-review
Open AccessFile5 Citations (Scopus)70 Downloads (Pure) -
Predicting global thermospheric neutral density during periods with high geomagnetic activity
Forootan, E., Farzaneh, S., Kosary, M., Borries, C., Kodikara, T. & Schumacher, M., 21 Nov 2023, In: Scientific Reports. 13, 1, 13 p., 20322.Research output: Contribution to journal › Journal article › Research › peer-review
Open AccessFile1 Citation (Scopus)27 Downloads (Pure) -
Two decades (2003-2021) of storage changes in the soil water and groundwater of CONUS
Mehrnegar, N., Schumacher, M., Jagdhuber, T. & Forootan, E., May 2023.Research output: Contribution to conference without publisher/journal › Conference abstract for conference › Research
Open Access -
2022
A hierarchical Constrained Bayesian (ConBay) approach to jointly estimate water storage and Post-Glacial Rebound from GRACE(-FO) and GNSS data
Forootan, E. & Mehrnegar, N., 22 Jul 2022, In: All Earth. 34, 1, p. 120-146 27 p.Research output: Contribution to journal › Journal article › Research › peer-review
Open AccessFile4 Citations (Scopus)95 Downloads (Pure) -
A sequential calibration approach based on the ensemble Kalman filter (C-EnKF) for forecasting total electron content (TEC)
Kosary, M., Forootan, E., Farzaneh, S. & Schumacher, M., 20 Apr 2022, In: Journal of Geodesy. 96, 4, 27 p., 29.Research output: Contribution to journal › Journal article › Research › peer-review
Open AccessFile10 Citations (Scopus)73 Downloads (Pure) -
Assimilation frameworks for merging accelerometer derived thermospheric neutral mass density estimates with empirical and physical models
Forootan, E., Kosary, M., Farzaneh, S. & Schumacher, M., May 2022.Research output: Contribution to conference without publisher/journal › Conference abstract for conference › Research
Open Access -
Bayesian convolutional neural networks for predicting the terrestrial water storage anomalies during GRACE and GRACE-FO gap
Mo, S., Zhong, Y., Forootan, E., Mehrnegar, N., Yin, X., Wu, J., Feng, W. & Shi, X., Jan 2022, In: Journal of Hydrology. 604, 15 p., 127244.Research output: Contribution to journal › Journal article › Research › peer-review
Open AccessFile70 Citations (Scopus)288 Downloads (Pure) -
Forecasting global and multi‑level thermospheric neutral density and ionospheric electron content by tuning models against satellite‑based accelerometer measurements
Forootan, E., Kosary, M., Farzaneh, S., Kodikara, T., Vielberg, K., Fernandez‑Gomez, I., Borries, C. & Schumacher, M., 9 Feb 2022, In: Scientific Reports. 12, 19 p., 2095 .Research output: Contribution to journal › Journal article › Research › peer-review
Open AccessFile8 Citations (Scopus)51 Downloads (Pure) -
GGOS Focus Area: Geodetic Space Weather Research 2022
Schmidt, M. & Forootan, E., 2022.Research output: Contribution to conference without publisher/journal › Conference abstract for conference › Research