Search Results - "KUUSK, Joel"

A Review of Protocols for Fiducial Reference Measurements of Water-Leaving Radiance for Validation of Satellite Remote-Sensing Data over Water by Ruddick, Kevin G., Voss, Kenneth, Boss, Emmanuel, Castagna, Alexandre, Frouin, Robert, Gilerson, Alex, Hieronymi, Martin, Johnson, B. Carol, Kuusk, Joel, Lee, Zhongping, Ondrusek, Michael, Vabson, Viktor, Vendt, Riho

“…This paper reviews the state of the art of protocols for measurement of water-leaving radiance in the context of fiducial reference measurements (FRM) of water…”
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Reflectance Properties of Hemiboreal Mixed Forest Canopies with Focus on Red Edge and Near Infrared Spectral Regions by Hallik, Lea, Kuusk, Andres, Lang, Mait, Kuusk, Joel

“…This study present the results of airborne top-of-canopy measurements of reflectance spectra in the spectral domain of 350–1050 nm over the hemiboreal mixed…”
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A note on suitable viewing configuration for retrieval of forest understory reflectance from multi-angle remote sensing data by Pisek, Jan, Lang, Mait, Kuusk, Joel

“…The contribution of understory vegetation especially to the reflectance of boreal forest landscapes cannot be ignored. In this letter, we identify the most…”
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A Statistical Forest Reflectance Model by Kuusk, Andres, Kuusk, Joel, Lang, Mait

“…The variability of forest reflectance among hemiboreal forests can be described with a few basis functions. Five basis functions describe almost 98% of…”
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A Review of Protocols for Fiducial Reference Measurements of Downwelling Irradiance for the Validation of Satellite Remote Sensing Data over Water by Ruddick, Kevin G., Voss, Kenneth, Banks, Andrew C., Boss, Emmanuel, Castagna, Alexandre, Frouin, Robert, Hieronymi, Martin, Jamet, Cedric, Johnson, B. Carol, Kuusk, Joel, Lee, Zhongping, Ondrusek, Michael, Vabson, Viktor, Vendt, Riho

“…This paper reviews the state of the art of protocols for the measurement of downwelling irradiance in the context of Fiducial Reference Measurements (FRM) of…”
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Example of Monte Carlo Method Uncertainty Evaluation for Above-Water Ocean Colour Radiometry by Białek, Agnieszka, Douglas, Sarah, Kuusk, Joel, Ansko, Ilmar, Vabson, Viktor, Vendt, Riho, Casal, Tânia

“…We describe a method to evaluate an uncertainly budget for the in situ Ocean Colour Radiometric measurements. A Monte Carlo approach is chosen to propagate the…”
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Field Intercomparison of Radiometer Measurements for Ocean Colour Validation by Tilstone, Gavin, Dall’Olmo, Giorgio, Hieronymi, Martin, Ruddick, Kevin, Beck, Matthew, Ligi, Martin, Costa, Maycira, D’Alimonte, Davide, Vellucci, Vincenzo, Vansteenwegen, Dieter, Bracher, Astrid, Wiegmann, Sonja, Kuusk, Joel, Vabson, Viktor, Ansko, Ilmar, Vendt, Riho, Donlon, Craig, Casal, Tânia

“…A field intercomparison was conducted at the Acqua Alta Oceanographic Tower (AAOT) in the northern Adriatic Sea, from 9 to 19 July 2018 to assess differences…”
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Leaf Age Matters in Remote Sensing: Taking Ground Truth for Spectroscopic Studies in Hemiboreal Deciduous Trees with Continuous Leaf Formation by Neuwirthová, Eva, Kuusk, Andres, Lhotáková, Zuzana, Kuusk, Joel, Albrechtová, Jana, Hallik, Lea

“…We examined the seasonal changes in biophysical, anatomical, and optical traits of young leaves, formed throughout the vegetative season due to sylleptic…”
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Fiducial Reference Measurements for Satellite Ocean Colour (FRM4SOC) by Banks, Andrew Clive, Vendt, Riho, Alikas, Krista, Bialek, Agnieszka, Kuusk, Joel, Lerebourg, Christophe, Ruddick, Kevin, Tilstone, Gavin, Vabson, Viktor, Donlon, Craig, Casal, Tania

“…Earth observation data can help us understand and address some of the grand challenges and threats facing us today as a species and as a planet, for example…”
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Measured spectral bidirectional reflection properties of three mature hemiboreal forests by Kuusk, Andres, Kuusk, Joel, Lang, Mait

“…•We measured BRF of hemiboreal forests with high angular resolution.•We engineered a special BRF-sensor for this task.•We report 3D and 2D BRF-profiles for a…”
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Implication of Illumination Beam Geometry on Stray Light and Bandpass Characteristics of Diode Array Spectrometer by Kuusk, Joel, Ansko, Ilmar, Bialek, Agnieszka, Vendt, Riho, Fox, Nigel

“…This paper describes spectral stray light measurements of diode array spectrometers and, in particular, the dependence of stray light and bandpass properties…”
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Sun-Induced Chlorophyll Fluorescence I: Instrumental Considerations for Proximal Spectroradiometers by Pacheco-Labrador, Javier, Hueni, Andreas, Mihai, Laura, Sakowska, Karolina, Julitta, Tommaso, Kuusk, Joel, Sporea, Dan, Alonso, Luis, Burkart, Andreas, Cendrero-Mateo, M Pilar, Aasen, Helge, Goulas, Yves, Alasdair Mac Arthur

“…Growing interest in the proximal sensing of sun‐induced chlorophyll fluorescence (SIF) has been boosted by space-based retrievals and up-coming missions such…”
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Field Intercomparison of Radiometers Used for Satellite Validation in the 400–900 nm Range by Vabson, Viktor, Kuusk, Joel, Ansko, Ilmar, Vendt, Riho, Alikas, Krista, Ruddick, Kevin, Ansper, Ave, Bresciani, Mariano, Burmester, Henning, Costa, Maycira, D’Alimonte, Davide, Dall’Olmo, Giorgio, Damiri, Bahaiddin, Dinter, Tilman, Giardino, Claudia, Kangro, Kersti, Ligi, Martin, Paavel, Birgot, Tilstone, Gavin, Van Dommelen, Ronnie, Wiegmann, Sonja, Bracher, Astrid, Donlon, Craig, Casal, Tânia

“…An intercomparison of radiance and irradiance ocean color radiometers (the second laboratory comparison exercise—LCE-2) was organized within the frame of the…”
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HYPSTAR: a hyperspectral pointable system for terrestrial and aquatic radiometry by Kuusk, Joel, Corizzi, Alexandre, Doxaran, David, Duong, Kim, Flight, Kenneth, Kivastik, Joosep, Laizans, Kaspars, Leymarie, Edouard, Muru, Silvar, Penkerc’h, Christophe, Ruddick, Kevin

“…Optical Earth observation satellites provide vast amounts of data on a daily basis. The top-of-atmosphere radiance measured by these satellites is usually…”
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Complete characterization of ocean color radiometers by Vabson, Viktor, Ansko, Ilmar, Duong, Kim, Vendt, Riho, Kuusk, Joel, Ruddick, Kevin, Bialek, Agnieszka, Tilstone, Gavin H., Gossn, Juan Ignacio, Kwiatkowska, Ewa

“…Verifying and validating waterleaving radiance measurements from space for an accurate derivation of Ocean/Water Colour biogeophysical products is based on…”
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HYPERNETS: a network of automated hyperspectral radiometers to validate water and land surface reflectance (380–1680 nm) from all satellite missions by Ruddick, Kevin G., Bialek, Agnieszka, Brando, Vittorio E., De Vis, Pieter, Dogliotti, Ana I., Doxaran, David, Goryl, Philippe, Goyens, Clémence, Kuusk, Joel, Spengler, Daniel, Turpie, Kevin R., Vanhellemont, Quinten

“…Satellites are now routinely used for measuring water and land surface reflectance and hence environmentally relevant parameters such as aquatic chlorophyll a…”
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Laboratory Intercomparison of Radiometers Used for Satellite Validation in the 400–900 nm Range by Vabson, Viktor, Kuusk, Joel, Ansko, Ilmar, Vendt, Riho, Alikas, Krista, Ruddick, Kevin, Ansper, Ave, Bresciani, Mariano, Burmester, Henning, Costa, Maycira, D’Alimonte, Davide, Dall’Olmo, Giorgio, Damiri, Bahaiddin, Dinter, Tilman, Giardino, Claudia, Kangro, Kersti, Ligi, Martin, Paavel, Birgot, Tilstone, Gavin, Van Dommelen, Ronnie, Wiegmann, Sonja, Bracher, Astrid, Donlon, Craig, Casal, Tânia

“…An intercomparison of radiance and irradiance ocean color radiometers (The Second Laboratory Comparison Exercise—LCE-2) was organized within the frame of the…”
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WATERHYPERNET: a prototype network of automated in situ measurements of hyperspectral water reflectance for satellite validation and water quality monitoring by Ruddick, Kevin G., Brando, Vittorio E., Corizzi, Alexandre, Dogliotti, Ana I., Doxaran, David, Goyens, Clémence, Kuusk, Joel, Vanhellemont, Quinten, Vansteenwegen, Dieter, Bialek, Agnieszka, De Vis, Pieter, Lavigne, Héloise, Beck, Matthew, Flight, Kenneth, Gammaru, Anabel, González Vilas, Luis, Laizans, Kaspars, Ortenzio, Francesca, Perna, Pablo, Piegari, Estefania, Rubinstein, Lucas, Sinclair, Morven, Van der Zande, Dimitry

“…This paper describes a prototype network of automated in situ measurements of hyperspectral water reflectance suitable for satellite validation and water…”
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ROSACE: A Proposed European Design for the Copernicus Ocean Colour System Vicarious Calibration Infrastructure by Antoine, David, Vellucci, Vincenzo, Banks, Andrew C., Bardey, Philippe, Bretagnon, Marine, Bruniquel, Véronique, Deru, Alexis, Hembise Fanton d’Andon, Odile, Lerebourg, Christophe, Mangin, Antoine, Crozel, Didier, Victori, Stéphane, Kalampokis, Alkiviadis, Karageorgis, Aristomenis P., Petihakis, George, Psarra, Stella, Golbol, Melek, Leymarie, Edouard, Bialek, Agnieszka, Fox, Nigel, Hunt, Samuel, Kuusk, Joel, Laizans, Kaspars, Kanakidou, Maria

“…The European Copernicus programme ensures long-term delivery of high-quality, global satellite ocean colour radiometry (OCR) observations from its Sentinel-3…”
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Results from Verification of Reference Irradiance and Radiance Sources Laboratory Calibration Experiment Campaign by Białek, Agnieszka, Goodman, Teresa, Woolliams, Emma, Brachmann, Johannes F. S., Schwarzmaier, Thomas, Kuusk, Joel, Ansko, Ilmar, Vabson, Viktor, Lau, Ian C., MacLellan, Christopher, Marty, Sabine, Ondrusek, Michael, Servantes, William, Taylor, Sarah, Van Dommelen, Ronnie, Barnard, Andrew, Vellucci, Vincenzo, Banks, Andrew C., Fox, Nigel, Vendt, Riho, Donlon, Craig, Casal, Tânia

“…We present the results from Verification of Reference Irradiance and Radiance Sources Laboratory Calibration Experiment Campaign. Ten international…”
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