Petri Varvia
Project Researcher
Department of Technical Physics, Faculty of Science, Forestry and Technology
Research groups
Publications
15/15 items-
Can tree cover extent be estimated directly from ICESat-2 spaceborne lidar data?
Haapala, Hanna; Varvia, Petri; Gopalakrishnan, Ranjith; Korhonen, Lauri, 2025, International journal of applied earth observation and geoinformation, 142, 104692. A1 Journal article (refereed), original research -
Band configurations and seasonality influence the predictions of common boreal tree species using UAS image data
Kukkonen, Mikko; Myllymäki, Mari; Räty, Janne; Varvia, Petri; Maltamo, Matti; Korhonen, Lauri; Packalen, Petteri, 2024, Annals of forest science, 81, 1, 31. A1 Journal article (refereed), original research -
Estimation of boreal forest biomass from ICESat-2 data using hierarchical hybrid inference
Varvia, Petri; Saarela, Svetlana; Maltamo, Matti; Packalen, Petteri; Gobakken, Terje; Næsset, Erik; Ståhl, Göran; Korhonen, Lauri, 2024, Remote sensing of environment, 311, 114249. A1 Journal article (refereed), original research -
Nationwide estimation of boreal forest above-ground biomass using ICESat-2 data
Korhonen, Lauri; Saarela, Svetlana; Maltamo, Matti; Packalen, Petteri; Popescu, Sorin; Varvia, Petri, 2024. Abstract -
Three-phase hierarchical model-based and hybrid inference
Saarela, Svetlana; Varvia, Petri; Korhonen, Lauri; Yang, Zhiqiang; Patterson, Paul L; Gobakken, Terje; Næsset, Erik; Healey, Sean P; Ståhl, Göran, 2023, MethodsX, 11, 102321. A1 Journal article (refereed), original research -
mgpr: An R package for multivariate Gaussian process regression
Varvia, Petri; Raty, Janne; Packalen, Petteri, 2023, SoftwareX, 24, 101563. A1 Journal article (refereed), original research -
Effects of numbers of observations and predictors for various model types on the performance of forest inventory with airborne laser scanning
Cosenza, Diogo N; Packalen, Petteri; Maltamo, Matti; Varvia, Petri; Räty, Janne; Soares, Paula; Tomé, Margarida; Strunk, Jacob L; Korhonen, Lauri, 2022, Canadian journal of forest research-revue canadienne de recherche forestiere, 52, 3, 385-395. A1 Journal article (refereed), original research -
How to consider the effects of time of day, beam strength, and snow cover in ICESat-2 based estimation of boreal forest biomass?
Varvia, P.; Korhonen, L.; Bruguière, A.; Toivonen, J.; Packalen, P.; Maltamo, M.; Saarela, S.; Popescu, S.C., 2022, Remote sensing of environment, 280, 113174. A1 Journal article (refereed), original research -
A Comparison of Linear-Mode and Single-Photon Airborne LiDAR in Species-Specific Forest Inventories
Räty, Janne; Varvia, Petri; Korhonen, Lauri; Savolainen, Pekka; Maltamo, Matti; Packalen, Petteri, 2021, IEEE transactions on geoscience and remote sensing, 2022; 60, 1-14. A1 Journal article (refereed), original research -
Bayesian estimation of seasonal course of canopy leaf area index from hyperspectral satellite data
Varvia, Petri; Rautiainen, Miina; Seppänen, Aku, 2018, Journal of quantitative spectroscopy and radiative transfer, 208, 19-28. A1 Journal article (refereed), original research