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A novel spectral index for estimating fractional cover of non-photosynthetic vegetation using near-infrared bands of Sentinel satellite

Jia Tian, Shanshan Su, Qingjiu Tian, Wenfeng Zhan, Yanbiao Xi, Ning Wang
2021 International Journal of Applied Earth Observation and Geoinformation  
Recently, Sentinel-2/3 satellites add more bands in the near infrared (NIR), which provide an extra opportunity for index building and application.  ...  A B S T R A C T Non-photosynthetic vegetation (NPV) is an essential component in various vegetation-soil ecosystems.  ...  We acknowledge the China Centre for Resources Satellite Data and Application for providing ZY1-02D satellite data and the help from Mr. Faisal Mumtaz.  ... 
doi:10.1016/j.jag.2021.102361 fatcat:mw6h5tdowvbdpbzhny6u7gvdqi

Reviewing the Potential of Sentinel-2 in Assessing the Drought

Dani Varghese, Mirjana Radulović, Stefanija Stojković, Vladimir Crnojević
2021 Remote Sensing  
use and land cover analysis.  ...  Considering the spatial, temporal, and spectral characteristics, the freely available Sentinel-2 data products are a promising option in this area of research, compared to Landsat and MODIS.  ...  Acknowledgments: Authors would like to acknowledge Sanja Brdar and Oskar Marko for their constructive suggestions. Conflicts of Interest: The authors declare no conflict of interest.  ... 
doi:10.3390/rs13173355 fatcat:ntzknamhcvcwxb7lyzhxq3ywse


Alvin Balidoy Baloloy, Ariel Conferido Blanco, Christian Gumbao Candido, Reginal Jay Labadisos Argamosa, John Bart Lovern Caboboy Dumalag, Lady Lee Carandang Dimapilis, Enrico Camero Paringit
2018 ISPRS Annals of the Photogrammetry, Remote Sensing and Spatial Information Sciences  
Higher coefficient of determination (r<sup>2</sup>) values were obtained using multispectral band predictors for Sentinel-2 (r<sup>2</sup>&amp;thinsp;=&amp;thinsp;0.89) and Planetscope (r<sup>2</sup>&amp  ...  Prior to the generation of indices, images from the three satellite systems were pre-processed using atmospheric correction tools in SNAP (Sentinel-2), ENVI (RapidEye) and python (PlanetScope).  ...  Utmost acknowledgement is given to Nationwide Detailed Resource Assessment Using LiDAR (Phil-LiDAR 2), Project 3 for the field inventory data used in this study and PlanetLabs for providing the Planet  ... 
doi:10.5194/isprs-annals-iv-3-29-2018 fatcat:ajrrr4clobhgnct5snxq6esnwm

Assessing the Potential of Sentinel-2 and Pléiades Data for the Detection of Prosopis and Vachellia spp. in Kenya

Wai-Tim Ng, Purity Rima, Kathrin Einzmann, Markus Immitzer, Clement Atzberger, Sandra Eckert
2017 Remote Sensing  
Given the cost of Pléiades, the free of charge Sentinel-2 data provide a viable alternative as the increased spectral resolution compensates for the lack of spatial resolution.  ...  With global revisit times of five days from next year onwards, Sentinel-2 based classifications can probably be further improved by using temporal information in addition to the spectral signatures.  ...  Acknowledgments: This research emerged from a collaborative effort between the University of Natural Resources and Life Sciences, Vienna (BOKU) and the Woody Weeds Project ("Woody invasive alien species  ... 
doi:10.3390/rs9010074 fatcat:lejm7s43jbgupb457lzxbrwvqm

A Simplified Framework for High-Resolution Urban Vegetation Classification with Optical Imagery in the Los Angeles Megacity

Red Willow Coleman, Natasha Stavros, Vineet Yadav, Nicholas Parazoo
2020 Remote Sensing  
We present a simplified framework for developing a high spatial resolution map of urban vegetation cover in the Southern California Air Basin (SoCAB) with publicly available satellite imagery.  ...  , bare soil/non-photosynthetic vegetation, and water.  ...  A portion of this research was carried out at the Jet Propulsion Laboratory, California Institute of Technology, under a contract with the National Aeronautics and Space Administration.  ... 
doi:10.3390/rs12152399 fatcat:6gpjww4qlbeupdphjxzvv75ube

Monitoring the Seasonal Hydrology of Alpine Wetlands in Response to Snow Cover Dynamics and Summer Climate: A Novel Approach with Sentinel-2

Bradley Z. Carlson, Marie Hébert, Colin Van Reeth, Marjorie Bison, Idaline Laigle, Anne Delestrade
2020 Remote Sensing  
using peak Normalized Difference Vegetation Index (NDVI).  ...  median depth of 20 cm) alpine wetlands in the French Alps, using a linear spectral unmixing approach.  ...  This research was conducted within the Long-Term Socio-Ecological Research (LTSER) platform Zone Atelier Alpes, a member of the eLTER network.  ... 
doi:10.3390/rs12121959 fatcat:tyzjwikkkfhs5ncaupq35s36ly

Assessing Across-Scale Optical Diversity and Productivity Relationships in Grasslands of the Italian Alps

Karolina Sakowska, Alasdair MacArthur, Damiano Gianelle, Michele Dalponte, Giorgio Alberti, Beniamino Gioli, Franco Miglietta, Andrea Pitacco, Franco Meggio, Francesco Fava, Tommaso Julitta, Micol Rossini (+2 others)
2019 Remote Sensing  
In a changing climate, monitoring BPRs within and across different ecosystem types is crucial, and novel remote sensing tools such as the Sentinel-2 (S2) may be adopted to retrieve ecosystem diversity  ...  Across-scale optical diversity and ecosystem productivity patterns were analyzed for different grassland associations with a wide range of productivity.  ...  Conflicts of Interest: The authors declare no conflict of interest.  ... 
doi:10.3390/rs11060614 fatcat:ii7wb46ivrb57nsuv3s2snyyuq

Challenges and Future Perspectives of Multi-/Hyperspectral Thermal Infrared Remote Sensing for Crop Water-Stress Detection: A Review

Max Gerhards, Martin Schlerf, Kaniska Mallick, Thomas Udelhoven
2019 Remote Sensing  
Current and planned sensors at ground, airborne, and satellite level for the TIR as well as a selection of commonly used indices and approaches for water-stress detection using the main multi-/hyperspectral  ...  Synergistic sensor use will open new avenues for scientists to study plant functioning and the response to environmental stress in a wide range of ecosystems.  ...  This multi-sensor approach covers a wide range of instruments for the survey of novel regional and global insights into ecosystem processes and functions.  ... 
doi:10.3390/rs11101240 fatcat:sg4uelpzsfcxvf47svw36wg43m

Improved Mapping of Mountain Shrublands Using the Sentinel-2 Red-Edge Band

Arthur Bayle, Bradley Carlson, Vincent Thierion, Marc Isenmann, Philippe Choler
2019 Remote Sensing  
We relied on the multi-spectral instrument onboard the Sentinel-2A and 2B satellites and the availability of red-edge bands to calculate a Normalized Anthocyanin Reflectance Index (NARI).  ...  Vegetation Index (NDVI) as a basis for shrubland mapping.  ...  Acknowledgments: Thanks are due to Olivier Hagolle for helpful discussions and comments on Sentinel-2 and the MAJA algorithm.  ... 
doi:10.3390/rs11232807 fatcat:xsha3463bneivfrvbc7zkxidoy

Short-Term Effects of Fire Severity on Vegetation Based on Sentinel-2 Satellite Data

Aru Han, Song Qing, Yongbin Bao, Li Na, Yuhai Bao, Xingpeng Liu, Jiquan Zhang, Chunyi Wang
2021 Sustainability  
The leaf area index (LAI) and fractional vegetation cover (FVC), which are more suitable for monitoring vegetation dynamic changes of a burned area, were calculated by comparing the biophysical and spectral  ...  Using a forest fire event in Bilahe, Inner Monglia in 2017 as a case study, this study extracted the burned area based on the BAIS2 index of Sentinel-2 data for 2016–2018.  ...  Sentinel-2A represents novel satellite technology with a high spatial resolution and multi-spectral imaging, and is mainly used for emergency rescue services and for global land observation such as land  ... 
doi:10.3390/su13010432 fatcat:syeqa7r2g5aybpep24b3q6mqm4

Towards the quantitative and physically-based interpretation of solar-induced vegetation fluorescence retrieved from global imaging

2021 Photosynthetica (Praha)  
Keywords: FLEX-Sentinel-3 tandem mission; fluorescence quantum efficiency; photosynthesis monitoring; quantitative remote sensing.  ...  This is the case of the water vapor (WV) absorption bands present in the near-infrared (NIR) (see Fig. 8, blue line) .  ...  Fractional vegetation cover: Imaging at larger spatial scales or over scenes with a less than 100% fractional vegetation cover (FVC) will include the contributions of nonfluorescent targets (e.g., soil  ... 
doi:10.32615/ps.2021.034 fatcat:hkrzmpy4yrabpotw3og6josgga

Early Diagnosis of Vegetation Health From High-Resolution Hyperspectral and Thermal Imagery: Lessons Learned From Empirical Relationships and Radiative Transfer Modelling

R. Hernández-Clemente, A. Hornero, M. Mottus, J. Penuelas, V. González-Dugo, J. C. Jiménez, L. Suárez, L. Alonso, P. J. Zarco-Tejada
2019 Current Forestry Reports  
Purpose of Review We provide a comprehensive review of the empirical and modelling approaches used to quantify the radiationvegetation interactions related to vegetation temperature, leaf optical properties  ...  The greatest challenges for the remote sensing community today are (i) the availability of high spatial, spectral and temporal resolution image data; (ii) the empirical validation of radiation-vegetation  ...  index results of the combination of spectral bands.  ... 
doi:10.1007/s40725-019-00096-1 fatcat:y3vlfc7yhzaxbmfnkd6lwcohj4

A Review of the Applications of Remote Sensing in Fire Ecology

David M. Szpakowski, Jennifer L. R. Jensen
2019 Remote Sensing  
Understanding the dynamics associated with wildfire, such as risks, spatial distribution, and effects is important for developing a clear understanding of its ecological influences.  ...  Remote sensing technologies provide a means to study fire ecology at multiple scales using an efficient and quantitative method.  ...  Acknowledgments: We would like to thank the anonymous reviewers of this manuscript for their feedback, which helped us to improve the paper in multiple ways.  ... 
doi:10.3390/rs11222638 fatcat:lblii5fmsjdgxputdsu3hxjgp4

Assessing Suitability of Sentinel-2 Bands for Monitoring of Nutrient Concentration of Pastures with a Range of Species Compositions

Suvarna M. Punalekar, Anna Thomson, Anne Verhoef, David J. Humphries, Christopher K. Reynolds
2021 Agronomy  
Spectral reflectance data at the canopy level were used to generate Sentinel-2 bands and calculate normalised difference indices with each possible band pair.  ...  Pasture quantity parameters (biomass and Leaf Area Index) had a stronger influence on overall reflectance than the quality parameters.  ...  Acknowledgments: We thank Tristan Quaife for a number of useful discussions on the remote sensing analyses procedures.  ... 
doi:10.3390/agronomy11081661 fatcat:lz2h5i7i5bdijhyviexxiqymye

Integration of Landsat-8 Thermal and Visible-Short Wave Infrared Data for Improving Prediction Accuracy of Forest Leaf Area Index

Elnaz Neinavaz, Roshanak Darvishzadeh, Andrew Skidmore, Haidi Abdullah
2019 Remote Sensing  
proportion of vegetation cover, were measured for 37 plots.  ...  This finding has implication for the prediction of other vegetation biophysical, or possibly biochemical variables using thermal infrared satellite remote sensing data, as well as regional mapping of LAI  ...  Conflicts of Interest: The authors declare there are no known conflicts of interest associated with this publication. All authors have approved the manuscript.  ... 
doi:10.3390/rs11040390 fatcat:4xs2tpadevctxnkssjrrvww3xu
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