Publications

Rodríguez-Puerta, F., Perroy R.L., Barrera, C., Price, J.P., García-Pascual B. 2024.
Five-Year Evaluation of Sentinel-2 Cloud-Free Mosaic Generation Under Varied Cloud Cover Conditions in Hawaiʻi
Remote Sensing

Rossman, J.R, Warman, L., Ostertag, R., Perroy, R. Cordell, S. 2024.
Light quality and spatial variability influences on seedling regeneration in Hawaiian lowland wet forests
Journal of Applied Ecology

Mannini, S., Ruch, J., Hazlett, R.W., Downs, D.T., Parcheta, C.E., Lundblad, S.P., Anderson, J.L., Perroy, R., Oestreicher, N. 2024.
Tracking magma pathways and surface faulting in the Southwest Rift Zone and the Koaʻe fault system (Kīlauea volcano, Hawai ‘i) using photogrammetry and structural observations.
Bulletin of Volcanology. 86(45).

Rodriguez, R., Jenkins, D.M., Leary, J. Perroy, R. 2024.
A direct geolocation method for aerial imaging surveys of invasive plants.
International Journal of Environmental Science and Technology.

Perroy, R.L., Meier, P., Collier, E., Hughes, M.A., Brill, E., Sullivan, T., Baur, T., Buchmann, N., Keith, L.M. 2022.
Aerial Branch Sampling to Detect Forest Pathogens.
Drones. 6(10).

Luiz, B., Giardina, C., Keith, L., Jacobs, D., Sniezko, R., Hughes, M., Friday, J., Cannon, P., Hauff, R., Francisco, K., Chau, M., Dudley, N., Yeh, A., Asner, G., Martin, R., Perroy, R., Tucker, B., Evangelista, ʻA., Fernandez, V., Martins, Keliʻihoʻomalu, C., Santos, K., and Ohara, R. 2022.
A framework for establishing a rapid ‘Ōhi ‘a death resistance program.
New Forests. 53(1).

Collier, E. A., Perroy, R. L., Reed, S. C., & Price, J. P. 2021.
Mapping biological soil crusts in a Hawaiian dryland.
International Journal of Remote Sensing. 43(2)

Luiz, B., Giardina, C., Keith, L., Jacobs, D., Sniezko, R., Hughes, M., Friday, J., Cannon, P., Hauff, R., Francisco, K., Chau, M., Dudley, N., Yeh, A., Asner, G., **deGraffenried, R., Hammer, J., Dietterich, H., Perroy, R., Patrick, M., and Shea, T. 2021.
Evaluating lava flow propagation models with a case study from the 2018 eruption of Kilauea Volcano, Hawaiʻi.
Bulletin of Volcanology. 83(65).

Rodriguez, R., Perroy, R., Leary, J., Jenkins, D., Panoff, M., Mandel, T., and Perez, P. 2021.
Comparing interpretation of high-resolution aerial imagery by humans and artificial intelligence to detect an invasive tree species.
Remote Sensing. 13(17): 3503.

Perroy, R., Sullivan, T., Benitez, D., Hughes, R. F., Keith, L., Brill, E., Kissinger, K, and Duda, D. 2021.
Spatial patterns of Ohiʻa mortality associated with Rapid Ohiʻa Death and ungulate presence.
Forests. 12(8):1035.

Perroy, R. and Collier, E. 2020.
Update to the Hawaiʻi statewide agricultural land use baseline: Oʻahu, Hawaiʻi Island, and Kauaʻi. Hawaiʻi State Department of Agriculture.

Zoeller M.H., Perroy R.L., Wessels R.L., Fisher G.B., Robinson J.E., Bard J.A., Peters J., Mosbrucker A.R., and Parcheta C.E. 2020.
Geospatial database of the 2018 Lower East Rift Zone eruption of Kilauea Volcano, Hawaiʻi. U.S. Geological Survey Data Release.

Perroy, R.L.; Hughes, M.; Keith, L.M.; Collier, E.; Sullivan, T.; Low, G. 2020
2020 Examining the Utility of Visible Near-Infrared and Optical Remote Sensing for the Early Detection of Rapid ‘Ōhi‘a Death. Remote Sens. 12: 1846.

Turner N., Perroy R., and Hon K. 2017.
Lava flow hazard production and monitoring with UAS: a case study from the 2014- 2015 Pahoa lava flow crisis, Hawaiʻi. Journal of Applied Volcanology. 6(17).

Perroy R., Sullivan T., and Stephenson N. 2017.
Assessing the impacts of canopy openness and flight parameters on detecting a sub-canopy tropical invasive plant using a small unmanned aerial system. ISPRS Journal of Photogrammetry and Remote Sensing. 125: 174-183.

Stephenson N., Perroy R., Eiben J., and Klasner F. 2017.
High resolution habitat suitability modelling for an endemic restricted-range Hawaiian insect (Nysius wekiuicola, Hemiptera: Lygaeidae). Journal of Insect Conservation. 21: 87-97.

Perroy R., Melrose J., and Cares S. 2016.
The evolving agricultural landscape of post-plantation Hawaiʻi. Applied Geography. 76: 154-162.
Read the full Hawaiʻi Statewide Agricultural Baseline (PDF)

Perroy R., Belby C., Mertens C. 2014.
Mapping and modeling three dimensional lead contamination in the wetland sediments of a former trap-shooting range. Science of the Total Environment. 487: 72-81.