Alexander Gruber

13.1k total citations · 4 hit papers
91 papers, 4.6k citations indexed

About

Alexander Gruber is a scholar working on Environmental Engineering, Atmospheric Science and Civil and Structural Engineering. According to data from OpenAlex, Alexander Gruber has authored 91 papers receiving a total of 4.6k indexed citations (citations by other indexed papers that have themselves been cited), including 45 papers in Environmental Engineering, 44 papers in Atmospheric Science and 19 papers in Civil and Structural Engineering. Recurrent topics in Alexander Gruber's work include Soil Moisture and Remote Sensing (44 papers), Precipitation Measurement and Analysis (31 papers) and Soil and Unsaturated Flow (19 papers). Alexander Gruber is often cited by papers focused on Soil Moisture and Remote Sensing (44 papers), Precipitation Measurement and Analysis (31 papers) and Soil and Unsaturated Flow (19 papers). Alexander Gruber collaborates with scholars based in Austria, Germany and Switzerland. Alexander Gruber's co-authors include Wouter Dorigo, Wolfgang Wagner, Wade T. Crow, Angelika Xaver, Matthias Drusch, Luca Brocca, Tracy Scanlon, Simon Zwieback, Sebastian Hahn and Robin van der Schalie and has published in prestigious journals such as Physical Review Letters, SHILAP Revista de lepidopterología and Remote Sensing of Environment.

In The Last Decade

Alexander Gruber

83 papers receiving 4.5k citations

Hit Papers

align trajectories

What are hit papers?

Hit papers significantly outperform the citation benchmark for their cohort. A paper qualifies if it has ≥500 total citations, achieves ≥1.5× the top-1% citation threshold for papers in the same subfield and year (this is the minimum needed to enter the top 1%, not the average within it), or reaches the top citation threshold in at least one of its specific research topics.

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

2011 878 citations Wouter Dorigo, Wolfgang Wagner et al. Hydrology and earth system sciences profile →
Evaluation of the ESA CCI soil moisture product using ground-based observations

2014 473 citations Wouter Dorigo, Alexander Gruber et al. profile →
Global Automated Quality Control of In Situ Soil Moisture Data from the International Soil Moisture Network

2013 435 citations Wouter Dorigo, Alexander Gruber et al. profile →
Evolution of the ESA CCI Soil Moisture climate data records and their underlying merging methodology

2019 424 citations Alexander Gruber, Wolfgang Wagner et al. profile →

Peers — A (Enhanced Table)

Peers by citation overlap · career bar shows stage (early→late) cites · hero ref

Name	h						Papers	Cites
Alexander Gruber Austria	24	2.9k	2.8k	1.3k	739	704	91	4.6k
E. G. Njoku United States	47	7.5k 2.6×	6.7k 2.4×	1.5k 1.2×	1.1k 1.6×	853 1.2×	176	9.3k
C.T. Swift United States	33	2.8k 0.9×	3.1k 1.1×	634 0.5×	255 0.3×	178 0.3×	132	5.3k
N. Sato United States	28	473 0.2×	1.2k 0.4×	1.8k 1.4×	111 0.2×	297 0.4×	125	4.4k
Manuel Martín‐Neira Netherlands	30	4.6k 1.6×	3.1k 1.1×	362 0.3×	258 0.3×	183 0.3×	206	5.6k
Giuseppe Ciraolo Italy	28	580 0.2×	334 0.1×	795 0.6×	183 0.2×	268 0.4×	208	2.8k
Christian Mätzler Switzerland	46	3.0k 1.0×	5.7k 2.0×	1.1k 0.9×	213 0.3×	144 0.2×	152	6.8k
Volker Wulfmeyer Germany	42	1.0k 0.3×	4.1k 1.4×	5.0k 3.9×	168 0.2×	823 1.2×	199	6.6k
Philippe Waldteufel France	28	4.9k 1.7×	4.5k 1.6×	686 0.5×	688 0.9×	470 0.7×	56	6.0k
David M. Le Vine United States	32	3.4k 1.2×	2.7k 0.9×	438 0.3×	221 0.3×	194 0.3×	200	4.7k
Simon Yueh United States	48	4.5k 1.5×	5.0k 1.8×	1.0k 0.8×	350 0.5×	295 0.4×	322	7.9k

Countries citing papers authored by Alexander Gruber

Since Specialization

Citations

This map shows the geographic impact of Alexander Gruber's research. It shows the number of citations coming from papers published by authors working in each country. You can also color the map by specialization and compare the number of citations received by Alexander Gruber with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Alexander Gruber more than expected).

Fields of papers citing papers by Alexander Gruber

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Alexander Gruber. Nodes represent research fields, and links connect fields that are likely to share authors. Colored nodes show fields that tend to cite the papers produced by Alexander Gruber. The network helps show where Alexander Gruber may publish in the future.

Co-authorship network of co-authors of Alexander Gruber

This figure shows the co-authorship network connecting the top 25 collaborators of Alexander Gruber. A scholar is included among the top collaborators of Alexander Gruber based on the total number of citations received by their joint publications. Widths of edges represent the number of papers authors have co-authored together. Node borders signify the number of papers an author published with Alexander Gruber. Alexander Gruber is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

Sort: Min cites: Since: Top N: Style:

20 of 20 papers shown

Povey, Adam C., Claire E. Bulgin, & Alexander Gruber. (2025). A Practical Introduction to Utilising Uncertainty Information in the Analysis of Essential Climate Variables. Surveys in Geophysics.

Bulgin, Claire E., Paul Green, Alexander Gruber, et al.. (2025). The Importance of Scale in the Definition of Uncertainties: How do we Best Communicate this to Data Users?. Surveys in Geophysics. 1 indexed citations

Mialon, Arnaud, Philippe Richaume, Nemesio Rodríguez-Fernández, et al.. (2024). Estimating the uncertainties of satellite derived soil moisture at global scale. SHILAP Revista de lepidopterología. 10. 100147–100147. 4 indexed citations

Gruber, Alexander, et al.. (2023). Uncertainty estimation for a new exponential-filter-based long-term root-zone soil moisture dataset from Copernicus Climate Change Service (C3S) surface observations. Geoscientific model development. 16(17). 4957–4976. 7 indexed citations

Lannoy, Gabriëlle De, Alexander Gruber, Diego G. Miralles, et al.. (2023). Drought and Waterlogging Stress Regimes in Northern Peatlands Detected Through Satellite Retrieved Solar‐Induced Chlorophyll Fluorescence. Geophysical Research Letters. 50(19). 2 indexed citations

Bechtold, Michel, et al.. (2023). Impact of Design Factors for ESA CCI Satellite Soil Moisture Data Assimilation over Europe. Journal of Hydrometeorology. 24(7). 1193–1208. 7 indexed citations

Modanesi, Sara, Christian Massari, Alexander Gruber, et al.. (2021). Optimizing a backscatter forward operator using Sentinel-1 data over irrigated land. 3 indexed citations

Peng, Jian, Clément Albergel, Anna Balenzano, et al.. (2021). A roadmap for high-resolution satellite soil moisture applications. Lirias (KU Leuven). 2 indexed citations

Gruber, Alexander, Robert Winkler, Jürgen Sattelkow, et al.. (2020). High-Fidelity 3D Nanoprinting of Plasmonic Gold Nanoantennas. ACS Applied Materials & Interfaces. 13(1). 1178–1191. 28 indexed citations

10.

Dorigo, Wouter, et al.. (2019). Estimating irrigation water use over the contiguous United States by combining satellite and reanalysis soil moisture data. Hydrology and earth system sciences. 23(2). 897–923. 114 indexed citations

11.

Brocca, Luca, Angelica Tarpanelli, Paolo Filippucci, et al.. (2018). 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. 73. 752–766. 163 indexed citations

12.

Brocca, Luca, Angelica Tarpanelli, Paolo Filippucci, et al.. (2018). How much water is used for irrigation? A new approach exploiting satellite soil moisture observations. Lirias (KU Leuven). 4558. 2 indexed citations

13.

Dorigo, Wouter, et al.. (2018). Estimating irrigation water use over the contiguous United States bycombining satellite and reanalysis soil moisture data. Biogeosciences (European Geosciences Union). 3 indexed citations

14.

Gruber, Alexander, Wade T. Crow, & Wouter Dorigo. (2018). Assimilation of Spatially Sparse In Situ Soil Moisture Networks into a Continuous Model Domain. Water Resources Research. 54(2). 1353–1367. 25 indexed citations

15.

Loew, Alexander, William Bell, Luca Brocca, et al.. (2017). Validation practices for satellite‐based Earth observation data across communities. Reviews of Geophysics. 55(3). 779–817. 146 indexed citations

16.

Albrecht, Franziska, Wouter Dorigo, Alexander Gruber, Wolfgang Wagner, & Wolfgang Kainz. (2014). Understanding tree growth in response to moisture variability: Linking 32 years of satellite based soil moisture observations with tree rings. EGU General Assembly Conference Abstracts. 4089. 1 indexed citations

17.

Gruber, Alexander, S. Paloscia, E. Santi, et al.. (2014). Round Robin evaluation of soil moisture retrieval models for the MetOp-A ASCAT Instrument. EGU General Assembly Conference Abstracts. 6462. 1 indexed citations

18.

Gruber, Alexander, et al.. (2013). A Characterization of the Prime Graphs of Solvable Groups.. 16 indexed citations

19.

Covita, D. S., D. F. Anagnostopoulos, H. Gorke, et al.. (2009). Line Shape of theμH(3p−1s)Hyperfine Transitions. Physical Review Letters. 102(2). 23401–23401. 11 indexed citations

20.

Smith, Walter H. F., et al.. (1979). GARP Topics. Bulletin of the American Meteorological Society. 60(10). 1177–1198. 15 indexed citations

Rankless uses publication and citation data sourced from OpenAlex, an open and comprehensive bibliographic database. While OpenAlex provides broad and valuable coverage of the global research landscape, it—like all bibliographic datasets—has inherent limitations. These include incomplete records, variations in author disambiguation, differences in journal indexing, and delays in data updates. As a result, some metrics and network relationships displayed in Rankless may not fully capture the entirety of a scholar's output or impact.

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