Stephen Sagar

1.4k total citations · 1 hit paper
18 papers, 701 citations indexed

About

Stephen Sagar is a scholar working on Ecology, Earth-Surface Processes and Oceanography. According to data from OpenAlex, Stephen Sagar has authored 18 papers receiving a total of 701 indexed citations (citations by other indexed papers that have themselves been cited), including 11 papers in Ecology, 8 papers in Earth-Surface Processes and 7 papers in Oceanography. Recurrent topics in Stephen Sagar's work include Coastal and Marine Dynamics (8 papers), Coastal wetland ecosystem dynamics (6 papers) and Marine and coastal ecosystems (5 papers). Stephen Sagar is often cited by papers focused on Coastal and Marine Dynamics (8 papers), Coastal wetland ecosystem dynamics (6 papers) and Marine and coastal ecosystems (5 papers). Stephen Sagar collaborates with scholars based in Australia, United States and Germany. Stephen Sagar's co-authors include Leo Lymburner, Robbi Bishop‐Taylor, B. K. Bala, Dale Roberts, Rachel Nanson, Elizabeth Botha, Janet Anstee, Arnold G. Dekker, Robin J. Beaman and Joshua Sixsmith and has published in prestigious journals such as Remote Sensing of Environment, IEEE Transactions on Geoscience and Remote Sensing and Remote Sensing.

In The Last Decade

Stephen Sagar

18 papers receiving 690 citations

Hit Papers

Mapping Australia's dynamic coastline at mean sea level u... 2021 2026 2022 2024 2021 40 80 120
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.

  1. Mapping Australia's dynamic coastline at mean sea level using three decades of Landsat imagery
    2021 143 citations Robbi Bishop‐Taylor, Rachel Nanson et al. Remote Sensing of Environment profile →

Peers — A (Enhanced Table)

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

Name h Career Trend Papers Cites
Stephen Sagar Australia 10 376 331 212 200 147 18 701
Khalid M. Dewidar Egypt 16 240 0.6× 279 0.8× 183 0.9× 103 0.5× 134 0.9× 19 665
Jinah Eom South Korea 8 161 0.4× 86 0.3× 163 0.8× 311 1.6× 110 0.7× 24 530
M.A. Eleveld Netherlands 17 258 0.7× 148 0.4× 227 1.1× 555 2.8× 94 0.6× 57 874
Sandeep Thakur India 11 263 0.7× 138 0.4× 251 1.2× 51 0.3× 109 0.7× 11 481
Gema Casal Ireland 12 268 0.7× 98 0.3× 154 0.7× 375 1.9× 51 0.3× 23 686
Dimosthenis Traganos Germany 16 704 1.9× 163 0.5× 283 1.3× 602 3.0× 81 0.6× 26 1.1k
Wael Elham Mahmod Egypt 14 205 0.5× 292 0.9× 150 0.7× 59 0.3× 59 0.4× 24 620
Jesús Palomar‐Vázquez Spain 14 388 1.0× 661 2.0× 206 1.0× 156 0.8× 180 1.2× 31 941
Jonathan Rizzi Italy 14 147 0.4× 171 0.5× 332 1.6× 59 0.3× 216 1.5× 26 674
Fantina Madricardo Italy 17 214 0.6× 161 0.5× 96 0.5× 193 1.0× 67 0.5× 34 609

Countries citing papers authored by Stephen Sagar

Since Specialization
Citations

This map shows the geographic impact of Stephen Sagar'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 Stephen Sagar with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Stephen Sagar more than expected).

Fields of papers citing papers by Stephen Sagar

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Stephen Sagar. 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 Stephen Sagar. The network helps show where Stephen Sagar may publish in the future.

Co-authorship network of co-authors of Stephen Sagar

This figure shows the co-authorship network connecting the top 25 collaborators of Stephen Sagar. A scholar is included among the top collaborators of Stephen Sagar 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 Stephen Sagar. Stephen Sagar is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

18 of 18 papers shown
1.
Bishop‐Taylor, Robbi, et al.. (2025). eo-tides: Tide modelling tools for large-scale satellite Earth observation analysis. The Journal of Open Source Software. 10(109). 7786–7786. 1 indexed citations
2.
3.
Nezlin, Nikolay P., et al.. (2023). Assessment of Changes of Complex Shoreline from Medium-Resolution Satellite Imagery. Estuaries and Coasts. 46(7). 1723–1739. 4 indexed citations
4.
Li, Fuqin, David L.B. Jupp, Thomas Schroeder, et al.. (2021). Assessing an Atmospheric Correction Algorithm for Time Series of Satellite-Based Water-Leaving Reflectance Using Match-Up Sites in Australian Coastal Waters. Remote Sensing. 13(10). 1927–1927. 3 indexed citations
5.
Nanson, Rachel, Robbi Bishop‐Taylor, Stephen Sagar, & Leo Lymburner. (2021). Geomorphic insights into Australia's coastal change using a national dataset derived from the multi-decadal Landsat archive. Estuarine Coastal and Shelf Science. 265. 107712–107712. 22 indexed citations
6.
Bishop‐Taylor, Robbi, Rachel Nanson, Stephen Sagar, & Leo Lymburner. (2021). Mapping Australia's dynamic coastline at mean sea level using three decades of Landsat imagery. Remote Sensing of Environment. 267. 112734–112734. 143 indexed citations breakdown →
7.
Li, Fuqin, David L.B. Jupp, Stephen Sagar, & Thomas Schroeder. (2020). The Impact of Choice of Solar Spectral Irradiance Model on Atmospheric Correction of Landsat 8 OLI Satellite Data. IEEE Transactions on Geoscience and Remote Sensing. 59(5). 4094–4104. 4 indexed citations
8.
Botha, Elizabeth, et al.. (2020). Classification of Australian Waterbodies across a Wide Range of Optical Water Types. Remote Sensing. 12(18). 3018–3018. 23 indexed citations
9.
Bishop‐Taylor, Robbi, Stephen Sagar, Leo Lymburner, & Robin J. Beaman. (2019). Between the tides: Modelling the elevation of Australia's exposed intertidal zone at continental scale. Estuarine Coastal and Shelf Science. 223. 115–128. 76 indexed citations
10.
Li, Fuqin, David L.B. Jupp, Stephen Sagar, & Thomas Schroeder. (2019). Atmospheric Correction and Water Surface Issues for Aquatic Applications of Landsat 8. 6. 6899–6902. 1 indexed citations
11.
Bishop‐Taylor, Robbi, et al.. (2019). Sub-Pixel Waterline Extraction: Characterising Accuracy and Sensitivity to Indices and Spectra. Remote Sensing. 11(24). 2984–2984. 71 indexed citations
12.
Sagar, Stephen, Norman Mueller, Adam Lewis, et al.. (2018). Digital Earth Australia - from Satellite Data to Better Decisions. 8633–8635. 10 indexed citations
13.
14.
Sagar, Stephen, Dale Roberts, B. K. Bala, & Leo Lymburner. (2017). Extracting the intertidal extent and topography of the Australian coastline from a 28 year time series of Landsat observations. Remote Sensing of Environment. 195. 153–169. 164 indexed citations
15.
Lymburner, Leo, Elizabeth Botha, Erin L. Hestir, et al.. (2016). Landsat 8: Providing continuity and increased precision for measuring multi-decadal time series of total suspended matter. Remote Sensing of Environment. 185. 108–118. 94 indexed citations
16.
Sagar, Stephen, Vittorio Brando, & Malcolm Sambridge. (2014). Noise Estimation of Remote Sensing Reflectance Using a Segmentation Approach Suitable for Optically Shallow Waters. IEEE Transactions on Geoscience and Remote Sensing. 52(12). 7504–7512. 6 indexed citations
17.
Botha, Elizabeth, Vittorio Brando, Janet Anstee, Arnold G. Dekker, & Stephen Sagar. (2013). Increased spectral resolution enhances coral detection under varying water conditions. Remote Sensing of Environment. 131. 247–261. 62 indexed citations
18.
Sagar, Stephen & Magnus Wettle. (2010). Mapping the fine-scale shallow water bathymetry of the Great Barrier Reef using ALOS AVNIR-2 data. OCEANS'10 IEEE SYDNEY. 59. 1–6. 1 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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