@inproceedings{fdi:010063290, title = {{P}otential of proximal hyperspectral imaging to estimate the spatial and temporal variability of soil microbial respiration}, author = {{G}obrecht, {A}. and {G}orretta, {N}. and {C}hevallier, {T}iphaine and {B}enoit, {M}. and {R}oger, {J}.{M}. and {B}arth{\`e}s, {B}ernard}, editor = {}, language = {{ENG}}, abstract = {{T}he objective of this study was to evaluate the potential of proximal hyperspectral imaging to (i) calibrate a model to predict soil respiration under controlled conditions, and (ii) to determine both spatial and temporal variations in soil respiration at a hundreds of micrometer scale. {C}alibration models based on spectra and respiration measured on standards were built then applied on hyperspectral images acquired on soil mesocosms (400 cm²), in order to predict their respiration pixel by pixel (0.2 mm²). {T}he quality of the models was acceptable but their application to produce prediction maps faced some technical problems due to hyperspectral technology.}, keywords = {{SOL} ; {PROPRIETE} {PHYSICOCHIMIQUE} ; {SPECTROSCOPIE} ; {SPECTROMETRIE} {INFRAROUGE} ; {MICROBIOLOGIE} {DU} {SOL} ; {RESPIRATION} ; {VARIATION} {SPATIALE} ; {VARIATION} {TEMPORELLE}}, numero = {}, pages = {5 multigr.}, booktitle = {{I}nternational conference on near infrared spectroscopy : picking up good vibrations}, year = {2013}, URL = {https://www.documentation.ird.fr/hor/fdi:010063290}, }