selected scholarly activity
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chapters
- Ecological Characterization of Vegetation Using Multisensor Remote Sensing in the Solar Reflective Spectrum. 1267-1310. 2018
- Vegetation Primary Productivity. 163-189. 2018
- Land Resources Monitoring, Modeling, and Mapping with Remote Sensing. 533-575. 2015
- Chapter 13 - Agricultural Expansion and Its Consequences in the Taita Hills, Kenya. Developments in Earth Surface Processes. 165-179. 2013
- Ecological Characterization of Vegetation Using Multi-Sensor Remote Sensing in the Solar Reflective Spectrum. 249-308.
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conferences
- EVALUATING A CONVOLUTIONAL NEURAL NETWORK FOR FEATURE EXTRACTION AND TREE SPECIES CLASSIFICATION USING UAV-HYPERSPECTRAL IMAGES. ISPRS Annals of the Photogrammetry, Remote Sensing and Spatial Information Sciences. 193-199. 2020
- A simplified procedure for a large scale LAI inversion from high resolution satellite data. 2009 IEEE International Geoscience and Remote Sensing Symposium. 1859-1862. 2009
- Interpreting Vegetation-Climate Interaction with Explainable Artificial Intelligence (XAI)
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journal articles
- Retention forestry as a climate solution: Assessing biomass, soil carbon and albedo impacts in a northern temperate coniferous forest. Science of the Total Environment. 947:174680-174680. 2024
- Humid, Warm and Treed Ecosystems Show Longer Time-Lag of Vegetation Response to Climate. Geophysical Research Letters. 51. 2024
- Extrapolation of canopy height and cover metrics of GEDI LiDAR in tropical montane forest ecosystem. African Geographical Review. 43:467-483. 2024
- Intranational synergies and trade-offs reveal common and differentiated priorities of sustainable development goals in China. Nature Communications. 15:2251. 2024
- Causal effects of teleconnection patterns on soil moisture through different climate paths over the Greater Horn of Africa 2024
- Humid, warm and treed ecosystems show longer time-lag of vegetation response to climate 2024
- Assessment of spongy moth infestation impacts on forest productivity and carbon loss using the Sentinel-2 satellite remote sensing and eddy covariance flux data. Ecological Processes. 13:37. 2024
- Climate change and human footprint increase insect defoliation across central boreal forests of Canada. Frontiers in Ecology and Evolution. 11. 2023
- Satellite-based land surface temperature and soil moisture observations accurately predict soil respiration in temperate deciduous and coniferous forests. Agricultural and Forest Meteorology. 340:109618-109618. 2023
- Solar-induced chlorophyll fluorescence captures photosynthetic phenology better than traditional vegetation indices. ISPRS Journal of Photogrammetry and Remote Sensing. 203:183-198. 2023
- Prioritizing ecological restoration of converted lands in Canada by spatially integrating organic carbon storage and biodiversity benefits. Conservation Science and Practice. 5. 2023
- Convolutional Neural Networks Regression Model with Uncertainty Estimates to predict GEDI Canopy height at 30m resolution using multisource SAR and optical observations 2023
- Direct upscaling of national forest inventory aboveground biomass of Canada with Sentinel and ALOS PALSAR observations 2023
- Role of forest thinning techniques towards nature-based climate solutions 2023
- Spatially Continuous Mapping of Forest Canopy Height in Canada by Combining GEDI and ICESat-2 with PALSAR and Sentinel. Remote Sensing. 14:5158-5158. 2022
- Modeling plant phenology by MODIS derived photochemical reflectance index (PRI). Agricultural and Forest Meteorology. 324:109095-109095. 2022
- Changing Sensitivity of Diverse Tropical Biomes to Precipitation Consistent with the Expected Carbon Dioxide Fertilization Effect. Journal of Landscape Ecology(Czech Republic). 15:78-93. 2022
- Large Soil Carbon Storage in Terrestrial Ecosystems of Canada. Global Biogeochemical Cycles. 36. 2022
- Large scale mapping of soil organic carbon concentration with 3D machine learning and satellite observations. Geoderma. 405:115402-115402. 2022
- Historical and future carbon stocks in forests of northern Ontario, Canada. Carbon Balance and Management. 16:21. 2021
- Impacts of global change on peak vegetation growth and its timing in terrestrial ecosystems of the continental US. Global and Planetary Change. 207:103657-103657. 2021
- Large soil carbon storage in terrestrial ecosystems of Canada 2021
- Daily leaf area index from photosynthetically active radiation for long term records of canopy structure and leaf phenology. Agricultural and Forest Meteorology. 304-305:108407-108407. 2021
- Greening drylands despite warming consistent with carbon dioxide fertilization effect. Global Change Biology. 27:3336-3349. 2021
- Large soil carbon storage in terrestrial ecosystems of Canada 2021
- Soil Moisture Active Passive Improves Global Soil Moisture Simulation in a Land Surface Scheme and Reveals Strong Irrigation Signals Over Farmlands. Geophysical Research Letters. 48. 2021
- The Response of Spectral Vegetation Indices and Solar‐Induced Fluorescence to Changes in Illumination Intensity and Geometry in the Days Surrounding the 2017 North American Solar Eclipse. Journal of Geophysical Research (JGR): Biogeosciences. 125. 2020
- Satellite-observed decrease in the sensitivity of spring phenology to climate change under high nitrogen deposition. Environmental Research Letters. 15:094055-094055. 2020
- Space‐Based Observations for Understanding Changes in the Arctic‐Boreal Zone. Reviews of Geophysics. 58. 2020
- Satellite observed indicators of the maximum plant growth potential and their responses to drought over Tibetan Plateau (1982–2015). Ecological Indicators. 108:105732-105732. 2020
- The global distribution of leaf chlorophyll content. Remote Sensing of Environment. 236:111479-111479. 2020
- Exploring SMAP and OCO-2 observations to monitor soil moisture control on photosynthetic activity of global drylands and croplands. Remote Sensing of Environment. 232:111314-111314. 2019
- Does Earlier and Increased Spring Plant Growth Lead to Reduced Summer Soil Moisture and Plant Growth on Landscapes Typical of Tundra-Taiga Interface?. Remote Sensing. 11:1989-1989. 2019
- Satellite detection of cumulative and lagged effects of drought on autumn leaf senescence over the Northern Hemisphere. Global Change Biology. 25:2174-2188. 2019
- Author Correction: Contrasting responses of autumn-leaf senescence to daytime and night-time warming. Nature Climate Change. 9:177-177. 2019
- Publisher Correction: Contrasting responses of autumn-leaf senescence to daytime and night-time warming. Nature Climate Change. 9:177-177. 2019
- Contrasting responses of autumn-leaf senescence to daytime and night-time warming. Nature Climate Change. 8:1092-1096. 2018
- Tropical forest canopies and their relationships with climate and disturbance: results from a global dataset of consistent field-based measurements. Forest Ecosystems. 5. 2018
- Snow cover phenology affects alpine vegetation growth dynamics on the Tibetan Plateau: Satellite observed evidence, impacts of different biomes, and climate drivers. Agricultural and Forest Meteorology. 256-257:61-74. 2018
- Changes in the Shadow: The Shifting Role of Shaded Leaves in Global Carbon and Water Cycles Under Climate Change. Geophysical Research Letters. 45:5052-5061. 2018
- Peak season plant activity shift towards spring is reflected by increasing carbon uptake by extratropical ecosystems. Global Change Biology. 24:2117-2128. 2018
- Trends and Variability in Temperature Sensitivity of Lilac Flowering Phenology. Journal of Geophysical Research (JGR): Biogeosciences. 123:807-817. 2018
- A robust leaf area index algorithm accounting for the expected errors in gap fraction observations. Agricultural and Forest Meteorology. 248:197-204. 2018
- Comparative Performances of Airborne LiDAR Height and Intensity Data for Leaf Area Index Estimation. IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing. 11:300-310. 2018
- Comparison of Big‐Leaf, Two‐Big‐Leaf, and Two‐Leaf Upscaling Schemes for Evapotranspiration Estimation Using Coupled Carbon‐Water Modeling. Journal of Geophysical Research (JGR): Biogeosciences. 123:207-225. 2018
- Nitrogen Availability Dampens the Positive Impacts of CO2 Fertilization on Terrestrial Ecosystem Carbon and Water Cycles. Geophysical Research Letters. 44:11590-11600. 2017
- No evidence of widespread decline of snow cover on the Tibetan Plateau over 2000–2015. Scientific Reports. 7:14645. 2017
- Satellite Observations of Leaf Area Index Decline Following a Spring 2010 Heatwave in Ontario's Northern Temperate Forests. Canadian Journal of Remote Sensing. 43:563-568. 2017
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Changes in vegetation phenology are not reflected in atmospheric
CO 2 and 13C/12C seasonality. Global Change Biology. 23:4029-4044. 2017 - Intercomparison and evaluation of spring phenology products using National Phenology Network and AmeriFlux observations in the contiguous United States. Agricultural and Forest Meteorology. 242:33-46. 2017
- Global change induced biomass growth offsets carbon released via increased forest fire and respiration of the central Canadian boreal forest. Journal of Geophysical Research (JGR): Biogeosciences. 122:1275-1293. 2017
- Improved modeling of gross primary production from a better representation of photosynthetic components in vegetation canopy. Agricultural and Forest Meteorology. 233:222-234. 2017
- Land surface phenology derived from normalized difference vegetation index (NDVI) at global FLUXNET sites. Agricultural and Forest Meteorology. 233:171-182. 2017
- Country-level net primary production distribution and response to drought and land cover change. Science of the Total Environment. 574:65-77. 2017
- Global vegetation productivity response to climatic oscillations during the satellite era. Global Change Biology. 22:3414-3426. 2016
- Circumpolar vegetation dynamics product for global change study. Remote Sensing of Environment. 182:13-26. 2016
- Satellite chlorophyll fluorescence measurements reveal large‐scale decoupling of photosynthesis and greenness dynamics in boreal evergreen forests. Global Change Biology. 22:2979-2996. 2016
- Coherence among the Northern Hemisphere land, cryosphere, and ocean responses to natural variability and anthropogenic forcing during the satellite era. Earth System Dynamics. 7:717-734. 2016
- author's response to Anonymous Referee #1 2016
- author's response to Anonymous Referee #2 2016
- Improved modeling of land surface phenology using MODIS land surface reflectance and temperature at evergreen needleleaf forests of central North America. Remote Sensing of Environment. 176:152-162. 2016
- Inter- and intra-annual variations of clumping index derived from the MODIS BRDF product. International Journal of Applied Earth Observation and Geoinformation. 44:53-60. 2016
- Coherence among the Northern Hemisphere land, cryosphere, and ocean responses to natural variability and anthropogenic forcing during the satellite era 2016
- Assessment of foliage clumping effects on evapotranspiration estimates in forested ecosystems. Agricultural and Forest Meteorology. 216:82-92. 2016
- Land surface phenology of China's temperate ecosystems over 1999–2013: Spatial–temporal patterns, interaction effects, covariation with climate and implications for productivity. Agricultural and Forest Meteorology. 216:177-187. 2016
- The match and mismatch between photosynthesis and land surface phenology of deciduous forests. Agricultural and Forest Meteorology. 214-215:25-38. 2015
- Trends of carbon fluxes and climate over a mixed temperate–boreal transition forest in southern Ontario, Canada. Agricultural and Forest Meteorology. 211-212:72-84. 2015
- A new satellite-based monthly precipitation downscaling algorithm with non-stationary relationship between precipitation and land surface characteristics. Remote Sensing of Environment. 162:119-140. 2015
- Winter teleconnections can predict the ensuing summer European crop productivity. Proceedings of the National Academy of Sciences of the United States of America. 112:E2265-E2266. 2015
- Correction for Gonsamo et al., Underestimated role of East Atlantic-West Russia pattern on Amazon vegetation productivity. Proceedings of the National Academy of Sciences of the United States of America. 112:E1967. 2015
- Underestimated role of East Atlantic-West Russia pattern on Amazon vegetation productivity. Proceedings of the National Academy of Sciences of the United States of America. 112:E1054-E1055. 2015
- Radiation contributed more than temperature to increased decadal autumn and annual carbon uptake of two eastern North America mature forests. Agricultural and Forest Meteorology. 201:8-16. 2015
- Citizen science: best practices to remove observer bias in trend analysis. International Journal of Biometeorology. 58:2159-2163. 2014
- Delineation of Rain Areas with TRMM Microwave Observations Based on PNN. Remote Sensing. 6:12118-12137. 2014
- Instantaneous-to-daily GPP upscaling schemes based on a coupled photosynthesis-stomatal conductance model: correcting the overestimation of GPP by directly using daily average meteorological inputs. Oecologia. 176:703-714. 2014
- Simulating impacts of water stress on woody biomass in the southern boreal region of western Canada using a dynamic vegetation model. Agricultural and Forest Meteorology. 198-199:142-154. 2014
- Soil respiration mapped by exclusively use of MODIS data for forest landscapes of Saskatchewan, Canada. ISPRS Journal of Photogrammetry and Remote Sensing. 94:80-90. 2014
- A two‐leaf rectangular hyperbolic model for estimating GPP across vegetation types and climate conditions. Journal of Geophysical Research (JGR): Biogeosciences. 119:1385-1398. 2014
- Continuous observation of leaf area index at Fluxnet-Canada sites. Agricultural and Forest Meteorology. 189-190:168-174. 2014
- Modeling growing season phenology in North American forests using seasonal mean vegetation indices from MODIS. Remote Sensing of Environment. 147:79-88. 2014
- Accelerating Forest Growth Enhancement due to Climate and Atmospheric Changes in British Colombia, Canada over 1956-2001. Scientific Reports. 4:4461. 2014
- Validating and Linking the GIMMS Leaf Area Index (LAI3g) with Environmental Controls in Tropical Africa. Remote Sensing. 6:1973-1990. 2014
- Improved LAI Algorithm Implementation to MODIS Data by Incorporating Background, Topography, and Foliage Clumping Information. IEEE Transactions on Geoscience and Remote Sensing. 52:1076-1088. 2014
- Intercomparison of fraction of absorbed photosynthetically active radiation products derived from satellite data over Europe. Remote Sensing of Environment. 142:141-154. 2014
- The potential of the greenness and radiation (GR) model to interpret 8-day gross primary production of vegetation. ISPRS Journal of Photogrammetry and Remote Sensing. 88:69-79. 2014
- Improved assessment of gross and net primary productivity of Canada's landmass. Journal of Geophysical Research (JGR): Biogeosciences. 118:1546-1560. 2013
- Evidence of autumn phenology control on annual net ecosystem productivity in two temperate deciduous forests. Ecological Engineering. 60:88-95. 2013
- Measuring fractional forest canopy element cover and openness – definitions and methodologies revisited. Oikos. 122:1283-1291. 2013
- Interannual variability of net ecosystem productivity in forests is explained by carbon flux phenology in autumn. Global Ecology and Biogeography. 22:994-1006. 2013
- Deriving land surface phenology indicators from CO2 eddy covariance measurements. Ecological Indicators. 29:203-207. 2013
- Experimental Evaluation of Sentinel-2 Spectral Response Functions for NDVI Time-Series Continuity. IEEE Transactions on Geoscience and Remote Sensing. 51:1336-1348. 2013
- Spectral Response Function Comparability Among 21 Satellite Sensors for Vegetation Monitoring. IEEE Transactions on Geoscience and Remote Sensing. 51:1319-1335. 2013
- Citizen Science: linking the recent rapid advances of plant flowering in Canada with climate variability. Scientific Reports. 3:2239. 2013
- Predicting deciduous forest carbon uptake phenology by upscaling FLUXNET measurements using remote sensing data. Agricultural and Forest Meteorology. 165:127-135. 2012
- Interannual variability of net carbon exchange is related to the lag between the end-dates of net carbon uptake and photosynthesis: Evidence from long records at two contrasting forest stands. Agricultural and Forest Meteorology. 164:29-38. 2012
- Land surface phenology from optical satellite measurement and CO2 eddy covariance technique. Journal of Geophysical Research. 117. 2012
- Interannual and spatial impacts of phenological transitions, growing season length, and spring and autumn temperatures on carbon sequestration: A North America flux data synthesis. Global and Planetary Change. 92-93:179-190. 2012
- The sensitivity based estimation of leaf area index from spectral vegetation indices. ISPRS Journal of Photogrammetry and Remote Sensing. 70:15-25. 2012
- Leaf area index for biomes of the Eastern Arc Mountains: Landsat and SPOT observations along precipitation and altitude gradients. Remote Sensing of Environment. 118:103-115. 2012
- CIMES: A package of programs for determining canopy geometry and solar radiation regimes through hemispherical photographs. Computers and Electronics in Agriculture. 79:207-215. 2011
- Large-scale leaf area index inversion algorithms from high-resolution airborne imagery. International Journal of Remote Sensing. 32:3897-3916. 2011
- Evaluation of the GLC2000 and NALC2005 land cover products for LAI retrieval over Canada. Canadian Journal of Remote Sensing. 37:302-313. 2011
- Normalized sensitivity measures for leaf area index estimation using three-band spectral vegetation indices. International Journal of Remote Sensing. 32:2069-2080. 2011
- Leaf area index retrieval using gap fractions obtained from high resolution satellite data: Comparisons of approaches, scales and atmospheric effects. International Journal of Applied Earth Observation and Geoinformation. 12:233-248. 2010
- Sampling gap fraction and size for estimating leaf area and clumping indices from hemispherical photographs. Canadian Journal of Forest Research. 40:1588-1603. 2010
- The computation of foliage clumping index using hemispherical photography. Agricultural and Forest Meteorology. 149:1781-1787. 2009
- Spatial and temporal effects on recruitment of an Afromontane forest tree in a threatened fragmented ecosystem. Biological Conservation. 142:518-528. 2009
- Methodology comparison for slope correction in canopy leaf area index estimation using hemispherical photography. Forest Ecology and Management. 256:749-759. 2008
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preprints
- A Deep Learning Approach to Estimate Canopy Height and Uncertainty by Integrating Seasonal Optical, SAR and Limited GEDI LiDAR Data over Northern Forests 2024
- Peat depth and carbon storage of the Hudson Bay Lowlands, Canada 2024
- Detangling the role of climate in vegetation productivity with an explainable convolutional neural network 2023
- How problematic is water hyacinth as invasive species in non-eutrophied freshwaters? Towards lasting solutions of water hyacinth freshwater invasions 2023
- Climate action and gender equality matter most for China's sustainable development 2023
- Climate change and human footprint increase insect defoliation across central boreal forests of Canada 2022