S1-GRiTS: Pixel-Level Orbit-Pair Statistics and Static Geometry Variables for MGRS Tile 17MPU, Ecuador, 2017–2025

This dataset component contains pixel-level paired backscatter difference statistics and static SAR acquisition-geometry variables for MGRS tile 17MPU in mainland Ecuador. The products were derived from the complete S1-GRiTS Sentinel-1 scene-level archive for 2017–2025 and are intended to support the analysis of acquisition-geometry-induced backscatter offsets between orbit directions. The paired-difference statistics summarize more than 2.7 billion paired observations across approximately 13.4 million pixels, providing sufficient temporal depth to distinguish persistent orbit-related offsets from short-term environmental variability. Three pairing strategies are included: cross-orbit ascending–descending pairs within a 2-day window, intra-orbit ascending pairs based on the 12-day repeat cycle, and intra-orbit descending pairs based on the 12-day repeat cycle. The released files include pixel-level orbit-pair statistics, static SAR geometry variables, machine-readable metadata, file indexes, and checksum files. The static geometry variables provide the acquisition-geometry context needed to interpret spatially persistent backscatter differences, including geometry-related effects associated with orbit direction, incidence geometry, and burst composition where available.