Benoît Rivard
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View article: Evaluating performance of miniaturized spectrometers in predicting soil properties using multivariate statistical analysis
Evaluating performance of miniaturized spectrometers in predicting soil properties using multivariate statistical analysis Open
Despite the increasing use of portable, low-cost spectrometers in estimating soil properties, there is lack of documentation regarding the factors contributing to the lower performance of these spectrometers when compared to conventional o…
View article: Shortwave infrared hyperspectral imaging as a novel method to elucidate multi-phase dolomitization, recrystallization, and cementation in carbonate sedimentary rocks
Shortwave infrared hyperspectral imaging as a novel method to elucidate multi-phase dolomitization, recrystallization, and cementation in carbonate sedimentary rocks Open
Carbonate rocks undergo low-temperature, post-depositional changes, including mineral precipitation, dissolution, or recrystallisation (diagenesis). Unravelling the sequence of these events is time-consuming, expensive, and relies on destr…
View article: Identification of spectral features in the longwave infrared (LWIR) spectra of leaves for the discrimination of tropical dry forest tree species
Identification of spectral features in the longwave infrared (LWIR) spectra of leaves for the discrimination of tropical dry forest tree species Open
With the emergence of longwave hyperspectral imaging systems, studies are revealing the potential of these data for discriminating tree species. However, few studies have applied statistical methods of band selection to select and characte…
View article: Hyperspectral Characteristics of Oil Sand, Part 1: Prediction of Processability and Froth Quality from Measurements of Ore
Hyperspectral Characteristics of Oil Sand, Part 1: Prediction of Processability and Froth Quality from Measurements of Ore Open
This study is the first of two companion papers using hyperspectral data to generate predictive models of oil sand ore and froth characteristics as a potential new means for process control. In Alberta, Canada, shallow oil sands deposits a…
View article: Hyperspectral Characteristics of Oil Sand, Part 2: Prediction of Froth Characteristics from Measurements of Froth
Hyperspectral Characteristics of Oil Sand, Part 2: Prediction of Froth Characteristics from Measurements of Froth Open
This is the second part of a study of predictive models of oil sand ore and froth characteristics using infrared hyperspectral data as a potential new means for process control. In Alberta, Canada, bitumen in shallow oil sands deposits is …
View article: Characterization of Mineralogy in the Highland Valley Porphyry Cu District Using Hyperspectral Imaging, and Potential Applications
Characterization of Mineralogy in the Highland Valley Porphyry Cu District Using Hyperspectral Imaging, and Potential Applications Open
The Highland Valley Copper (HVC) district in British Columbia, Canada, is host to at least four major porphyry Cu systems: Bethlehem (~209 Ma), and Valley, Lornex, and Highmont (~208 to 207 Ma). High spatial resolution (0.2–1.0 mm/pixel) h…
View article: Replication Data for: Using visible-near-infrared spectroscopy to classify lichens at a Neotropical Dry Forest
Replication Data for: Using visible-near-infrared spectroscopy to classify lichens at a Neotropical Dry Forest Open
This is the unprocessed spectra of lichens and their bark. In the excel file there are three sheets: i) IDs for species and samples, ii) lichen spectra, and iii) bark spectra. The link between samples and sheets is based on 'ID_sample'.
View article: Replication Data for: Differences in Leaf Temperature between Lianas and Trees in the Neotropical Canopy
Replication Data for: Differences in Leaf Temperature between Lianas and Trees in the Neotropical Canopy Open
Leaf temperature (Tleaf) influences photosynthesis and respiration. Currently, there is a growing interest in including lianas in productivity models due to their increasing abundance and their detrimental effects in the carbon stock of tr…
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Lichen database.tab Open
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data2.tab Open
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View article: Differences in Leaf Temperature between Lianas and Trees in the Neotropical Canopy
Differences in Leaf Temperature between Lianas and Trees in the Neotropical Canopy Open
Leaf temperature (Tleaf) influences photosynthesis and respiration. Currently, there is a growing interest in including lianas in productivity models due to their increasing abundance and their detrimental effects in the carbon stock of tr…
View article: Differences in Leaf Temperature between Lianas and Trees in the Neotropical Canopy
Differences in Leaf Temperature between Lianas and Trees in the Neotropical Canopy Open
Leaf temperature (Tleaf) influences photosynthesis and respiration. Currently, there is a growing interest on including lianas in productivity models due to their increasing abundance, and their detrimental effects on net primary productiv…
View article: Data for: High Resolution Measurement of Soil Carbon and Nitrogen with Imaging Spectroscopy
Data for: High Resolution Measurement of Soil Carbon and Nitrogen with Imaging Spectroscopy Open
Imaging spectroscopy files can be provided upon request. There were not uploaded due to their size.
View article: Integrated Multi-Parameter Exploration Footprints of the Canadian Malartic Disseminated Au, McArthur River-Millennium Unconformity U, and Highland Valley Porphyry Cu Deposits: Preliminary Results from the NSERC-CMIC Mineral Exploration Footprints Research Network
Integrated Multi-Parameter Exploration Footprints of the Canadian Malartic Disseminated Au, McArthur River-Millennium Unconformity U, and Highland Valley Porphyry Cu Deposits: Preliminary Results from the NSERC-CMIC Mineral Exploration Footprints Research Network Open
Mineral exploration in Canada is increasingly focused on concealed and deeply buried targets, requiring more effective tools to detect large-scale ore-forming systems and to vector from their most distal margins to their high grade cores. …
View article: Visible and short-wave infrared reflectance spectroscopy of REE phosphate minerals
Visible and short-wave infrared reflectance spectroscopy of REE phosphate minerals Open
Reflectance spectroscopy in the visible to short-wave infrared regions (500 to 2500 nm) was carried out using natural samples of the rare earth element (REE) phosphate minerals monazite, xenotime, and britholite. Samples were characterized…
View article: Prediction of water content and normalized evaporation from oil sands soft tailings surface using hyperspectral observations
Prediction of water content and normalized evaporation from oil sands soft tailings surface using hyperspectral observations Open
The paper addresses the challenge of measuring water content and evaporative fluxes from oil sands soft tailings surfaces using hyperspectral observations. Hyperspectral time-series laboratory observations were collected from four differen…
View article: Patterns of Leaf Biochemical and Structural Properties of Cerrado Life Forms: Implications for Remote Sensing
Patterns of Leaf Biochemical and Structural Properties of Cerrado Life Forms: Implications for Remote Sensing Open
The importance of life forms as biochemical and structurally distinctive groups is a significant finding for future remote sensing studies of vegetation, especially in arid and semi-arid environments. The traits we found as indicative of t…