# Estimation of sunflower planted areas in Ukraine during full-scale Russian invasion: Insights from Sentinel-1 SAR data

*PRI Rank #18 · Topics and Trends in Most Cited Agriculture and Biological Studies Papers, Class of 2026*

*Canonical URL: https://pri.pepkio.com/top-papers/agriculture-and-biological-studies/2026/rank-18*

| Field | Value |
| --- | --- |
| Rank | #18 |
| 18m citations | 13 |
| Journal | Science of Remote Sensing |
| Year | 2024 |
| DOI | 10.1016/j.srs.2024.100139 |
| Corresponding authors | Abdul Qadir |
| Institution | University of Maryland, United States |

**Ranking page:** [Topics and Trends in Most Cited Agriculture and Biological Studies Papers, Class of 2026](https://pri.pepkio.com/top-papers/agriculture-and-biological-studies/2026)

**Paper link:** [10.1016/j.srs.2024.100139](https://doi.org/10.1016/j.srs.2024.100139)

## Topics

Sentinel-1 SAR data · sunflower planted area estimation · Ukraine cropland monitoring · Russian invasion impact on agriculture · Temporarily occupied territories · synthetic aperture radar · phenological metric · sample-based area estimation · 20-m resolution crop mapping · interannual crop area change · Conflict-affected agriculture · sunflower production hotspots · remote sensing cropland assessment · Earth observation for food security

## Cite this ranking

```
Pepkio Research Index (PRI). Topics and Trends in Most Cited Agriculture and Biological Studies Papers, Class of 2026. https://pri.pepkio.com/top-papers/agriculture-and-biological-studies/2026. Accessed 2026-10-29.

Zheng Su, Tinsley Li, Thematic Shifts in Early-High-Impact Cancer Genomics and Diagnostics Research: A Bibliometric and Semantic Analysis. bioRxiv 2026.07.04.736459; doi: https://doi.org/10.64898/2026.07.04.736459
```