Publications

Papers on remote sensing, spatial analysis and research software, alongside writing on Pacific climate activism.

Journal articles

  • Percival, J.; Lindiwe, K.; Shiroma, K.; Pascual, A.; Guerra-Hernández, J.; Ostertag, R.; Perroy, R. (2026).

    sam-stars: A multimodal, prompt-guided approach for individual tree crown delineation and species mapping

    Remote Sensing in Ecology and Conservation. Accepted.

  • Lindiwe, K.; Percival, J. H.; Perroy, R. L. (2026).

    Spectralmatch: Relative radiometric normalization toolkit for raster mosaics and time series

    Journal of Open Source Software, 11(117), 8974. Published.

    doi:10.21105/joss.08974

  • Yadanar Ye Myint; Percival, J.; Kitajima, K. (2025).

    Detecting oil palm plantations and mangroves overlooked by IGBP land-cover products with “ground-truthing from the sky” across Southeast Asia

    Trees, Forests and People, 21, 100950. Published.

    doi:10.1016/j.tfp.2025.100950

  • Percival, J.; Leamon, B. (2025).

    PyForestScan: A Python library for calculating forest structural metrics from lidar point cloud data

    Journal of Open Source Software, 10(106), 7314. Published.

    doi:10.21105/joss.07314

  • Percival, J. E. H.; Sato, H.; Razanaparany, T. P.; Rakotomamonjy, A. H.; Razafiarison, Z. L.; Kitajima, K. (2024).

    Non fire-adapted dry forest of Northwestern Madagascar: Escalating and devastating trends revealed by Landsat timeseries and GEDI lidar data

    PLOS ONE, 19(2), e0290203. Published.

    doi:10.1371/journal.pone.0290203

  • Percival, J.; Tsutsumida, N.; Murakami, D.; Yoshida, T.; Nakaya, T. (2022).

    Exploratory spatial data analysis with gwpcorMapper: An interactive mapping tool for geographically weighted correlation and partial correlation

    Journal of Geovisualization and Spatial Analysis, 6, 17. Published.

    doi:10.1007/s41651-022-00111-3

  • Percival, J.; Tsutsumida, N. (2017).

    Geographically weighted partial correlation for spatial analysis

    GI_Forum, 1. Published.

    doi:10.1553/giscience2017_01_s36

Peer-reviewed book chapter

  • Siisiialafia Mau, T. T.; Percival, J. (2024).

    Pacific Youth and Climate Activism: Safeguarding Our Fa‘asinomaga

    In S. von Mering, T. E. Bell, W. Steele, A. da Silva Faustino, A. Ward, M. Arjona Soberón (Eds.), The Routledge Handbook of Grassroots Climate Activism. Routledge. Published.

    Joint first author.

    doi:10.4324/9781003396567-6