Search Results - "Clevers, J.G.P.W."

Remote estimation of crop and grass chlorophyll and nitrogen content using red-edge bands on Sentinel-2 and -3 by Clevers, J.G.P.W, Gitelson, A.A

“…Sentinel-2 is planned for launch in 2014 by the European Space Agency and it is equipped with the Multi Spectral Instrument (MSI), which will provide images…”
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Identification of soil heavy metal sources and improvement in spatial mapping based on soil spectral information: A case study in northwest China by Chen, Tao, Chang, Qingrui, Liu, Jing, Clevers, J.G.P.W., Kooistra, L.

“…In a sewage irrigation area of northwest China, 52 topsoil samples were collected to measure the contents of arsenic (As), chromium (Cr), copper (Cu), mercury…”
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Rapid identification of soil cadmium pollution risk at regional scale based on visible and near-infrared spectroscopy by Chen, Tao, Chang, Qingrui, Clevers, J.G.P.W., Kooistra, L.

“…Soil heavy metal pollution due to long-term sewage irrigation is a serious environmental problem in many irrigation areas in northern China. Quickly…”
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Downscaling time series of MERIS full resolution data to monitor vegetation seasonal dynamics by Zurita-Milla, R., Kaiser, G., Clevers, J.G.P.W., Schneider, W., Schaepman, M.E.

“…Monitoring vegetation dynamics is fundamental for improving Earth system models and for increasing our understanding of the terrestrial carbon cycle and the…”
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50 years of water extraction in the Pampa del Tamarugal basin: Can Prosopis tamarugo trees survive in the hyper-arid Atacama Desert (Northern Chile)? by Chávez, R.O., Clevers, J.G.P.W., Decuyper, M., de Bruin, S., Herold, M.

“…Groundwater-dependent ecosystems are threatened worldwide by unsustainable groundwater (GW) extraction. This is the case of the Prosopis tamarugo Phil forest…”
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Estimating canopy water content using hyperspectral remote sensing data by Clevers, J.G.P.W, Kooistra, L, Schaepman, M.E

“…Hyperspectral remote sensing has demonstrated great potential for accurate retrieval of canopy water content (CWC). This CWC is defined by the product of the…”
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A Bayesian object-based approach for estimating vegetation biophysical and biochemical variables from APEX at-sensor radiance data by Laurent, Valérie C.E., Verhoef, Wout, Damm, Alexander, Schaepman, Michael E., Clevers, Jan G.P.W.

“…Vegetation variables such as leaf area index (LAI) and leaf chlorophyll content (Cab) are important inputs for vegetation growth models. LAI and Cab can be…”
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Effects of soil moisture content on reflectance anisotropy — Laboratory goniometer measurements and RPV model inversions by Roosjen, P.P.J., Bartholomeus, H.M., Clevers, J.G.P.W.

“…Optical methods to study soil moisture content (SMC) are often based on empirically or physically based models that relate changes in reflectance intensity to…”
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Using spectral information from the NIR water absorption features for the retrieval of canopy water content by Clevers, J.G.P.W, Kooistra, L, Schaepman, M.E

“…Canopy water content (CWC) is important for mapping and monitoring the condition of the terrestrial ecosystem. Spectral information related to the water…”
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The use of imaging spectrometry for agricultural applications by Clevers, J.G.P.W.

“…The use of broadband satellite information for agricultural applications like crop growth monitoring and yield prediction currently is well adapted. In this…”
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The assessment of multi-sensor image fusion using wavelet transforms for mapping the Brazilian Savanna by Weimar Acerbi, F, Clevers, J.G.P.W, Schaepman, M.E

“…Multi-sensor image fusion using the wavelet approach provides a conceptual framework for the improvement of the spatial resolution with minimal distortion of…”
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The robustness of canopy gap fraction estimates from red and near-infrared reflectances: A comparison of approaches by Baret, Frédéric, Clevers, J.G.P.W., Steven, M.D.

“…The estimation of canopy gap fraction [P o(0)] from red and near-infrared reflectance is investigated. Several approaches are compared, using classical…”
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A simplified approach for yield prediction of sugar beet based on optical remote sensing data by Clevers, J.G.P.W

“…Crop yield can be predicted already at an early stage of growth using various kinds of crop growth models with various levels c f complexity. However,…”
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Combined use of optical and microwave remote sensing data for crop growth monitoring by Clevers, J.G.P.W., van Leeuwen, H.J.C.

“…In this study, optical and microwave remote sensing data were used in combination for crop growth monitoring. A simple reflectance model was used for…”
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Experimental Sentinel-2 LAI estimation using parametric, non-parametric and physical retrieval methods – A comparison by Verrelst, Jochem, Rivera, Juan Pablo, Veroustraete, Frank, Muñoz-Marí, Jordi, Clevers, Jan G.P.W., Camps-Valls, Gustau, Moreno, José

“…•Upcoming land satellite missions (e.g. Sentinel-2) require powerful retrieval methods.•A quantitative comparison on land biophysical variables retrieval…”
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Optical remote sensing and the retrieval of terrestrial vegetation bio-geophysical properties – A review by Verrelst, Jochem, Camps-Valls, Gustau, Muñoz-Marí, Jordi, Rivera, Juan Pablo, Veroustraete, Frank, Clevers, Jan G.P.W., Moreno, José

“…Forthcoming superspectral satellite missions dedicated to land monitoring, as well as planned imaging spectrometers, will unleash an unprecedented data stream…”
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Gross changes in reconstructions of historic land cover/use for Europe between 1900 and 2010 by Fuchs, Richard, Herold, Martin, Verburg, Peter H, Clevers, Jan G.P.W, Eberle, Jonas

“…Historic land‐cover/use change is important for studies on climate change, soil carbon, and biodiversity assessments. Available reconstructions focus on the…”
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Using Hyperspectral Remote Sensing Data for Retrieving Canopy Chlorophyll and Nitrogen Content by Clevers, Jan G. P. W., Kooistra, Lammert

“…Plant stress is often expressed as a reduction in amount of biomass or leaf area index (LAI). In addition, stress may affect the plant pigment system,…”
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Review of optical-based remote sensing for plant trait mapping by Homolová, Lucie, Malenovský, Zbyněk, Clevers, Jan G.P.W., García-Santos, Glenda, Schaepman, Michael E.

“…•We review up-to-date remote sensing methods to estimate important plant traits.•We introduce basic concepts of remote sensing of vegetation and scaling…”
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Land use patterns and related carbon losses following deforestation in South America by Sy, V De, Herold, M, Achard, F, Beuchle, R, Clevers, J G P W, Lindquist, E, Verchot, L

“…Land use change in South America, mainly deforestation, is a large source of anthropogenic CO2 emissions. Identifying and addressing the causes or drivers of…”
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