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Austria

Activities

Employment (4)

Technische Universität Wien: Wien, Wien, AT

2022-04-01 to present | PostDoc (Department of Geodesy and Geoinformation)
Employment
Source: Self-asserted source
Alexander Gruber

Research Foundation Flanders: Leuven, BE

2019-11-01 to 2022-03-31 | Senior Postdoctoral Fellow
Employment
Source: Self-asserted source
Alexander Gruber

KU Leuven: Leuven, BE

2018-01-01 to 2019-10-31 | PostDoc (Department of Earth and Environmental Sciences)
Employment
Source: Self-asserted source
Alexander Gruber

Vienna University of Technology (TU Wien): Vienna, AT

2009-12-01 to 2017-12-31 (Department of Geodesy and Geoinformation)
Employment
Source: Self-asserted source
Alexander Gruber

Education and qualifications (1)

Vienna University of Technology (TU Wien): Vienna, AT

2008-10-01 to 2016-04-20 | Dr. (Department of Geodesy and Geoinformation)
Education
Source: Self-asserted source
Alexander Gruber

Works (48)

A roadmap for high-resolution satellite soil moisture applications – confronting product characteristics with user requirements

Remote Sensing of Environment
2021 | Journal article
EID:

2-s2.0-85096405972

Part of ISSN: 00344257
Contributors: Peng, J.; Albergel, C.; Balenzano, A.; Brocca, L.; Cartus, O.; Cosh, M.H.; Crow, W.T.; Dabrowska-Zielinska, K.; Dadson, S.; Davidson, M.W.J. et al.
Source: Self-asserted source
Alexander Gruber via Scopus - Elsevier

Homogenization of Structural Breaks in the Global ESA CCI Soil Moisture Multisatellite Climate Data Record

IEEE Transactions on Geoscience and Remote Sensing
2021 | Journal article
EID:

2-s2.0-85103323523

Part of ISSN: 15580644 01962892
Contributors: Preimesberger, W.; Scanlon, T.; Su, C.-H.; Gruber, A.; Dorigo, W.
Source: Self-asserted source
Alexander Gruber via Scopus - Elsevier

Optimizing a backscatter forward operator using Sentinel-1 data over irrigated land

Hydrology and Earth System Sciences
2021 | Journal article
EID:

2-s2.0-85117370899

Part of ISSN: 16077938 10275606
Contributors: Modanesi, S.; Massari, C.; Gruber, A.; Lievens, H.; Tarpanelli, A.; Morbidelli, R.; De Lannoy, G.J.M.
Source: Self-asserted source
Alexander Gruber via Scopus - Elsevier

The International Soil Moisture Network: Serving Earth system science for over a decade

Hydrology and Earth System Sciences
2021 | Journal article
EID:

2-s2.0-85119091250

Part of ISSN: 16077938 10275606
Contributors: Dorigo, W.; Himmelbauer, I.; Aberer, D.; Schremmer, L.; Petrakovic, I.; Zappa, L.; Preimesberger, W.; Xaver, A.; Annor, F.; Ardö, J. et al.
Source: Self-asserted source
Alexander Gruber via Scopus - Elsevier

A Review of Irrigation Information Retrievals from Space and Their Utility for Users

Remote Sensing
2021-10 | Journal article | Author
Contributors: Christian Massari; Sara Modanesi; Jacopo Dari; Alexander Gruber; Gabrielle De Lannoy; Manuela Girotto; Pere Quintana-Seguí; Michel Le Page; Lionel Jarlan; mehrez zribi et al.
Source: check_circle
Multidisciplinary Digital Publishing Institute
grade
Preferred source (of 3)‎

Adaptive Filtering for (Soil Moisture) Data Assimilation

International Geoscience and Remote Sensing Symposium (IGARSS)
2020 | Conference paper
EID:

2-s2.0-85101973739

Contributors: Gruber, A.; De Lannoy, G.
Source: Self-asserted source
Alexander Gruber via Scopus - Elsevier

Validation practices for satellite soil moisture retrievals: What are (the) errors?

Remote Sensing of Environment
2020 | Journal article
EID:

2-s2.0-85084188590

Part of ISSN: 00344257
Contributors: Gruber, A.; De Lannoy, G.; Albergel, C.; Al-Yaari, A.; Brocca, L.; Calvet, J.-C.; Colliander, A.; Cosh, M.; Crow, W.; Dorigo, W. et al.
Source: Self-asserted source
Alexander Gruber via Scopus - Elsevier

A Monte Carlo based adaptive Kalman filtering framework for soil moisture data assimilation

Remote Sensing of Environment
2019 | Journal article
EID:

2-s2.0-85064698714

Part of ISSN: 00344257
Contributors: Gruber, A.; De Lannoy, G.; Crow, W.
Source: Self-asserted source
Alexander Gruber via Scopus - Elsevier

Estimating irrigation water use over the contiguous United States by combining satellite and reanalysis soil moisture data

Hydrology and Earth System Sciences
2019 | Journal article
EID:

2-s2.0-85061941718

Part of ISSN: 16077938 10275606
Contributors: Zaussinger, F.; Dorigo, W.; Gruber, A.; Tarpanelli, A.; Filippucci, P.; Brocca, L.
Source: Self-asserted source
Alexander Gruber via Scopus - Elsevier

Evolution of the ESA CCI Soil Moisture climate data records and their underlying merging methodology

Earth System Science Data
2019 | Journal article
EID:

2-s2.0-85066089170

Part of ISSN: 18663516 18663508
Contributors: Gruber, A.; Scanlon, T.; Van Der Schalie, R.; Wagner, W.; Dorigo, W.
Source: Self-asserted source
Alexander Gruber via Scopus - Elsevier

State of the climate in 2018

Bulletin of the American Meteorological Society
2019 | Journal article
EID:

2-s2.0-85073052511

Part of ISSN: 00030007
Contributors: Ades, M.; Adler, R.; Aldeco, L.S.; Alejandra, G.; Alfaro, E.J.; Aliaga-Nestares, V.; Allan, R.P.; Allan, R.; Alves, L.M.; Amador, J.A. et al.
Source: Self-asserted source
Alexander Gruber via Scopus - Elsevier

Uncertainty in soil moisture retrievals: An ensemble approach using SMOS L-band microwave data

Remote Sensing of Environment
2019 | Journal article
EID:

2-s2.0-85065561747

Part of ISSN: 00344257
Contributors: Quets, J.; De Lannoy, G.J.M.; Al Yaari, A.; Chan, S.; Cosh, M.H.; Gruber, A.; Reichle, R.H.; Van der Schalie, R.; Wigneron, J.-P.
Source: Self-asserted source
Alexander Gruber via Scopus - Elsevier

Assimilation of Spatially Sparse In Situ Soil Moisture Networks into a Continuous Model Domain

Water Resources Research
2018 | Journal article
EID:

2-s2.0-85044418102

Part of ISSN: 19447973 00431397
Contributors: Gruber, A.; Crow, W.T.; Dorigo, W.A.
Source: Self-asserted source
Alexander Gruber via Scopus - Elsevier

Global estimation of soil moisture persistence with L and C-band microwave sensors

International Geoscience and Remote Sensing Symposium (IGARSS)
2018 | Conference paper
EID:

2-s2.0-85063146153

Contributors: Piles, M.; Van Der Schalie, R.; Gruber, A.; Muñoz-Marí, J.; Camps-Valls, G.; Mateo-Sanchis, A.; Dorigo, W.; De Jeu, R.
Source: Self-asserted source
Alexander Gruber via Scopus - Elsevier

How much water is used for irrigation? A new approach exploiting coarse resolution satellite soil moisture products

International Journal of Applied Earth Observation and Geoinformation
2018 | Journal article
EID:

2-s2.0-85056568167

Part of ISSN: 1872826X 03032434
Contributors: Brocca, L.; Tarpanelli, A.; Filippucci, P.; Dorigo, W.; Zaussinger, F.; Gruber, A.; Fernández-Prieto, D.
Source: Self-asserted source
Alexander Gruber via Scopus - Elsevier

SM2RAIN-CCI: A new global long-term rainfall data set derived from ESA CCI soil moisture

Earth System Science Data
2018 | Journal article
EID:

2-s2.0-85041865496

Part of ISSN: 18663516 18663508
Contributors: Ciabatta, L.; Massari, C.; Brocca, L.; Gruber, A.; Reimer, C.; Hahn, S.; Paulik, C.; Dorigo, W.; Kidd, R.; Wagner, W.
Source: Self-asserted source
Alexander Gruber via Scopus - Elsevier

State of the climate in 2017

Bulletin of the American Meteorological Society
2018 | Journal article
EID:

2-s2.0-85053681754

Part of ISSN: 00030007
Contributors: Abernethy, R.; Ackerman, S.A.; Adler, R.; Albanil Encarnación, A.; Aldeco, L.S.; Alfaro, E.J.; Aliaga-Nestares, V.; Allan, R.P.; Allan, R.; Alves, L.M. et al.
Source: Self-asserted source
Alexander Gruber via Scopus - Elsevier

Statistical merging of active and passive microwave observations into long-term soil moisture climate data records

International Geoscience and Remote Sensing Symposium (IGARSS)
2018 | Conference paper
EID:

2-s2.0-85064229837

Contributors: Dorigo, W.; Gruber, A.; Van Der Schalie, R.; Paulik, C.; Scanlon, T.; Reimer, C.; Kidd, R.; De Jeu, R.; Wagner, W.
Source: Self-asserted source
Alexander Gruber via Scopus - Elsevier

ESA CCI Soil Moisture for improved Earth system understanding: State-of-the art and future directions

Remote Sensing of Environment
2017 | Journal article
EID:

2-s2.0-85019587713

Part of ISSN: 00344257
Contributors: Dorigo, W.; Wagner, W.; Albergel, C.; Albrecht, F.; Balsamo, G.; Brocca, L.; Chung, D.; Ertl, M.; Forkel, M.; Gruber, A. et al.
Source: Self-asserted source
Alexander Gruber via Scopus - Elsevier

State of the climate in 2016

Bulletin of the American Meteorological Society
2017 | Journal article
EID:

2-s2.0-85028835793

Part of ISSN: 00030007
Contributors: Aaron-Morrison, A.P.; Ackerman, S.A.; Adams, N.G.; Adler, R.F.; Albanil, A.; Alfaro, E.J.; Allan, R.; Alves, L.M.; Amador, J.A.; Andreassen, L.M. et al.
Source: Self-asserted source
Alexander Gruber via Scopus - Elsevier

Triple Collocation Analysis of Soil Moisture from Metop-A ASCAT and SMOS Against JRA-55 and ERA-Interim

IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing
2017 | Journal article
EID:

2-s2.0-85012170753

Part of ISSN: 21511535 19391404
Contributors: Miyaoka, K.; Gruber, A.; Ticconi, F.; Hahn, S.; Wagner, W.; Figa-Saldana, J.; Anderson, C.
Source: Self-asserted source
Alexander Gruber via Scopus - Elsevier

Triple Collocation-Based Merging of Satellite Soil Moisture Retrievals

IEEE Transactions on Geoscience and Remote Sensing
2017 | Journal article
EID:

2-s2.0-85030651801

Part of ISSN: 01962892
Contributors: Gruber, A.; Dorigo, W.A.; Crow, W.; Wagner, W.
Source: Self-asserted source
Alexander Gruber via Scopus - Elsevier

Validation practices for satellite-based Earth observation data across communities

Reviews of Geophysics
2017 | Journal article
EID:

2-s2.0-85025812110

Part of ISSN: 19449208 87551209
Contributors: Loew, A.; Bell, W.; Brocca, L.; Bulgin, C.E.; Burdanowitz, J.; Calbet, X.; Donner, R.V.; Ghent, D.; Gruber, A.; Kaminski, T. et al.
Source: Self-asserted source
Alexander Gruber via Scopus - Elsevier

Error decomposition of nine passive and active microwave satellite soil moisture data sets over Australia

Remote Sensing of Environment
2016 | Journal article
EID:

2-s2.0-84969850440

Part of ISSN: 00344257
Contributors: Su, C.-H.; Zhang, J.; Gruber, A.; Parinussa, R.; Ryu, D.; Crow, W.T.; Wagner, W.
Source: Self-asserted source
Alexander Gruber via Scopus - Elsevier

Estimating error cross-correlations in soil moisture data sets using extended collocation analysis

Journal of Geophysical Research
2016 | Journal article
EID:

2-s2.0-84959420206

Part of ISSN: 21562202 01480227
Contributors: Gruber, A.; Su, C.-H.; Crow, W.T.; Zwieback, S.; Dorigo, W.A.; Wagner, W.
Source: Self-asserted source
Alexander Gruber via Scopus - Elsevier

Homogeneity of a global multisatellite soil moisture climate data record

Geophysical Research Letters
2016 | Journal article
EID:

2-s2.0-84996542566

Part of ISSN: 19448007 00948276
Contributors: Su, C.-H.; Ryu, D.; Dorigo, W.; Zwieback, S.; Gruber, A.; Albergel, C.; Reichle, R.H.; Wagner, W.
Source: Self-asserted source
Alexander Gruber via Scopus - Elsevier

Intercomparison of Soil Moisture Retrievals From In Situ, ASAR, and ECV SM Data Sets Over Different European Sites

Satellite Soil Moisture Retrieval: Techniques and Applications
2016 | Book chapter
EID:

2-s2.0-85011791491

Contributors: Barrett, B.; Pratola, C.; Gruber, A.; Dwyer, E.
Source: Self-asserted source
Alexander Gruber via Scopus - Elsevier

Mapping rice extent and cropping scheme in the Mekong Delta using Sentinel-1A data

Remote Sensing Letters
2016 | Journal article
EID:

2-s2.0-84987903831

Part of ISSN: 21507058 2150704X
Contributors: Nguyen, D.B.; Gruber, A.; Wagner, W.
Source: Self-asserted source
Alexander Gruber via Scopus - Elsevier

State of the climate in 2015

Bulletin of the American Meteorological Society
2016 | Journal article
EID:

2-s2.0-84986201515

Part of ISSN: 00030007
Contributors: Aaron-Morrison, A.P.; Ackerman, S.A.; Adams, N.G.; Adler, R.F.; Albanil, A.; Alfaro, E.J.; Allan, R.; Alves, L.M.; Amador, J.A.; Andreassen, L.M. et al.
Source: Self-asserted source
Alexander Gruber via Scopus - Elsevier

The impact of quadratic nonlinear relations between soil moisture products on uncertainty estimates from triple collocation analysis and two quadratic extensions

Journal of Hydrometeorology
2016 | Journal article
EID:

2-s2.0-84976866492

Part of ISSN: 15257541 1525755X
Contributors: Zwieback, S.; Su, C.-H.; Gruber, A.; Wagner, W.; Dorigo, W.A.
Source: Self-asserted source
Alexander Gruber via Scopus - Elsevier

Evaluation of post-retrieval de-noising of active and passive microwave satellite soil moisture

Remote Sensing of Environment
2015 | Journal article
EID:

2-s2.0-84937763739

Part of ISSN: 00344257
Contributors: Su, C.-H.; Narsey, S.Y.; Gruber, A.; Xaver, A.; Chung, D.; Ryu, D.; Wagner, W.
Source: Self-asserted source
Alexander Gruber via Scopus - Elsevier

Evaluation of the ESA CCI soil moisture product using ground-based observations

Remote Sensing of Environment
2015 | Journal article
EID:

2-s2.0-84929061651

Part of ISSN: 00344257
Contributors: Dorigo, W.A.; Gruber, A.; De Jeu, R.A.M.; Wagner, W.; Stacke, T.; Loew, A.; Albergel, C.; Brocca, L.; Chung, D.; Parinussa, R.M. et al.
Source: Self-asserted source
Alexander Gruber via Scopus - Elsevier

Quality assessment of the CCI ECV soil moisture product using ENVISAT ASAR wide swath data over Spain, Ireland and Finland

Remote Sensing
2015 | Journal article
EID:

2-s2.0-84950160069

Part of ISSN: 20724292
Contributors: Pratola, C.; Barrett, B.; Gruber, A.; Dwyer, E.
Source: Self-asserted source
Alexander Gruber via Scopus - Elsevier

State of the climate in 2014

Bulletin of the American Meteorological Society
2015 | Journal article
EID:

2-s2.0-84939813863

Part of ISSN: 00030007
Contributors: Aaron-Morrison, A.P.; Ackerman, S.A.; Adams, N.G.; Adler, R.F.; Albanil, A.; Alfaro, E.J.; Allan, R.; Alves, L.M.; Amador, J.A.; Andreassen, L.M. et al.
Source: Self-asserted source
Alexander Gruber via Scopus - Elsevier

The potential of 2D Kalman filtering for soil moisture data assimilation

Remote Sensing of Environment
2015 | Journal article
EID:

2-s2.0-84945383076

Part of ISSN: 00344257
Contributors: Gruber, A.; Crow, W.; Dorigo, W.; Wagner, W.
Source: Self-asserted source
Alexander Gruber via Scopus - Elsevier

Evaluation of a global soil moisture product from finer spatial resolution SAR data and ground measurements at Irish sites

Remote Sensing
2014 | Journal article
EID:

2-s2.0-84907466070

Part of ISSN: 20724292
Contributors: Pratola, C.; Barrett, B.; Gruber, A.; Kiely, G.; Dwyer, E.
Source: Self-asserted source
Alexander Gruber via Scopus - Elsevier

Open source toolbox and web application for soil moisture validation

International Geoscience and Remote Sensing Symposium (IGARSS)
2014 | Conference paper
EID:

2-s2.0-84911416067

Contributors: Paulik, C.; Steiner, C.; Hahn, S.; Melzer, T.; Gruber, A.; Wagner, W.
Source: Self-asserted source
Alexander Gruber via Scopus - Elsevier

Performance inter-comparison of soil moisture retrieval models for the MetOp-A ASCAT instrument

International Geoscience and Remote Sensing Symposium (IGARSS)
2014 | Conference paper
EID:

2-s2.0-84911369482

Contributors: Gruber, A.; Paloscia, S.; Santi, E.; Notarnicola, C.; Pasolli, L.; Smolander, T.; Pulliainen, J.; Mittelbach, H.; Dorigo, W.; Wagner, W.
Source: Self-asserted source
Alexander Gruber via Scopus - Elsevier

34 years of remotely sensed soil moisture: What climate signals do we (not) see?

International Geoscience and Remote Sensing Symposium (IGARSS)
2013 | Conference paper
EID:

2-s2.0-84894229360

Contributors: Dorigo, W.; Albergel, C.; Loew, A.; Stacke, T.; Gruber, A.; Wagner, W.; Parinussa, R.; De Jeu, R.; Brocca, L.; Bauer-Marschallinger, B. et al.
Source: Self-asserted source
Alexander Gruber via Scopus - Elsevier

Characterizing coarse-scale representativeness of in situ soil moisture measurements from the international soil moisture network

Vadose Zone Journal
2013 | Journal article
EID:

2-s2.0-84878141350

Part of ISSN: 15391663
Contributors: Gruber, A.; Dorigo, W.A.; Zwieback, S.; Xaver, A.; Wagner, W.
Source: Self-asserted source
Alexander Gruber via Scopus - Elsevier

Global automated quality control of in situ soil moisture data from the International Soil Moisture Network

Vadose Zone Journal
2013 | Journal article
EID:

2-s2.0-84878132874

Part of ISSN: 15391663
Contributors: Dorigo, W.A.; Xaver, A.; Vreugdenhil, M.; Gruber, A.; Hegyiová, A.; Sanchis-Dufau, A.D.; Zamojski, D.; Cordes, C.; Wagner, W.; Drusch, M.
Source: Self-asserted source
Alexander Gruber via Scopus - Elsevier

Potential of Sentinel-1 for high-resolution soil moisture monitoring

International Geoscience and Remote Sensing Symposium (IGARSS)
2013 | Conference paper
EID:

2-s2.0-84894244181

Contributors: Gruber, A.; Wagner, W.; Hegyiova, A.; Greifeneder, F.; Schlaffer, S.
Source: Self-asserted source
Alexander Gruber via Scopus - Elsevier

Identification of soil moisture retrieval errors: Learning from the comparison of SMOS and ASCAT

International Geoscience and Remote Sensing Symposium (IGARSS)
2012 | Conference paper
EID:

2-s2.0-84873112352

Contributors: Wagner, W.; Hahn, S.; Gruber, A.; Dorigo, W.
Source: Self-asserted source
Alexander Gruber via Scopus - Elsevier

Visual tracing for the Eclipse Java debugger

Proceedings of the European Conference on Software Maintenance and Reengineering, CSMR
2012 | Conference paper
EID:

2-s2.0-84860502316

Part of ISSN: 15345351
Contributors: Alsallakh, B.; Bodesinsky, P.; Gruber, A.; Miksch, S.
Source: Self-asserted source
Alexander Gruber via Scopus - Elsevier

The international soil moisture network - An observational network for soil moisture product validations

34th International Symposium on Remote Sensing of Environment - The GEOSS Era: Towards Operational Environmental Monitoring
2011 | Conference paper
EID:

2-s2.0-84879759353

Contributors: Dorigo, W.; Gruber, A.; Van Oevelen, P.; Wagner, W.; Drusch, M.; Mecklenburg, S.; Robock, A.; Jackson, T.
Source: Self-asserted source
Alexander Gruber via Scopus - Elsevier

The International Soil Moisture Network: A data hosting facility for global in situ soil moisture measurements

Hydrology and Earth System Sciences
2011 | Journal article
EID:

2-s2.0-79957964230

Part of ISSN: 10275606 16077938
Contributors: Dorigo, W.A.; Wagner, W.; Hohensinn, R.; Hahn, S.; Paulik, C.; Xaver, A.; Gruber, A.; Drusch, M.; Mecklenburg, S.; Van Oevelen, P. et al.
Source: Self-asserted source
Alexander Gruber via Scopus - Elsevier

Episodic memory for autonomous agents

2008 Conference on Human System Interaction, HSI 2008
2008 | Conference paper
EID:

2-s2.0-51849130634

Contributors: Deutsch, T.; Gruber, A.; Lang, R.; Velik, R.
Source: Self-asserted source
Alexander Gruber via Scopus - Elsevier

Action planning model for autonomous mobile robots

IEEE International Conference on Industrial Informatics (INDIN)
2007 | Conference paper
EID:

2-s2.0-39749169049

Part of ISSN: 19354576
Contributors: Roesener, Ch.; Lang, R.; Deutsch, T.; Gruber, A.; Palensky, B.
Source: Self-asserted source
Alexander Gruber via Scopus - Elsevier

Peer review (3 reviews for 2 publications/grants)

Review activity for Journal of hydrometeorology. (2)
Review activity for Scientific data. (1)