Results 261 to 270 of about 328,621 (294)

AGB estimation using Sentinel-2 and Sentinel-1 datasets

Environmental Monitoring and Assessment
Climate change is one of the greatest threats recently, of which developing countries are facing most of the brunt. In the fight against climate change, forests can play an important role, since they hold a substantial amount of terrestrial carbon and can therefore affect the global carbon cycle.
Mohammad, Qasim, Elmar, Csaplovics
openaire   +2 more sources

Mediterranean shrublands biomass estimation using Sentinel-1 and Sentinel-2

2016 IEEE International Geoscience and Remote Sensing Symposium (IGARSS), 2016
Potential for synergetic use of Sentinel- 1 and Sentinel-2 for mapping biomass of Mediterranean shrublands is investigated. As preliminary research, backscatter and its ratio from Sentinel-1 (C-band dual polarization SAR), and NDVI from Sentinel-2 (13 bands multi-spectral data) are assessed by using the NDVIR biomass model.
Jisung Chang, Maxim Shoshany
openaire   +1 more source

Jointly Exploiting Sentinel-1 and Sentinel-2 for Urban Mapping

IGARSS 2018 - 2018 IEEE International Geoscience and Remote Sensing Symposium, 2018
This work introduces two feature fusion techniques that exploit previously developed algorithms for urban extent extraction from multispectral and SAR spaceborne data, adapting them to the joint use of Sentinel-l (S1) and Sentinel-2 (S2) data sets. The approaches aim at exploiting the finer spatial and spectral resolution of multispectral S2 data as ...
Gianni Cristian Iannelli, Paolo Gamba
openaire   +1 more source

Sentinel 2 global reference image

SPIE Proceedings, 2015
Sentinel-2 is a multispectral, high-resolution, optical imaging mission, developed by the European Space Agency (ESA) in the frame of the Copernicus program of the European Commission. In cooperation with ESA, the Centre National d’Etudes Spatiales (CNES) is responsible for the image quality of the project, and will ensure the CAL/VAL commissioning ...
C. Dechoz, V. Poulain, S. Massera, F. Languille, D. Greslou, F. de Lussy, A. Gaudel, C. L'Helguen, C. Picard, T. Trémas   +9 more
openaire   +1 more source

Field Scale Soil Moisture From Time Series Of Sentinel-1 & Sentinel-2

2020 Mediterranean and Middle-East Geoscience and Remote Sensing Symposium (M2GARSS), 2020
This paper describes a surface soil moisture (SSM) product at "field scale" resolution derived from Sentinel-1 (S-1) and Sentinel-2 (S-2) data. The retrieval exploits a short term change detection (STCD) approach that is applied to time series of S-1 observations.
F Mattia, A Balenzano, G Satalino, D Palmisano, A D'Addabbo, F Lovergine   +5 more
openaire   +2 more sources

Coupling Sentinel-1 and Sentinel-2 Images for Operational Soil Moisture Mapping

IGARSS 2018 - 2018 IEEE International Geoscience and Remote Sensing Symposium, 2018
The objective of the present paper is to develop an operational approach for soil moisture mapping in agricultural areas at a high spatial resolution over bare soils, as well as soils with vegetation cover. The developed approach is based on the synergic use of radar and optical data and uses the neural network technique to invert the radar signal ...
El Hajj, M., Baghdadi, Nicolas, Zribi, Mehrez, Bazzi, H.   +3 more
openaire   +2 more sources

การเปรียบเทียบดัชนีพืชพรรณระหว่างภาพถ่ายดาวเทียม Sentinel-2 กับภาพถ่ายจากอากาศยานไร้คนขับ: กรณีศึกษาข้าวแปลงเล็ก 

2023
ข้าวเป็นพืชเศรษฐกิจ และเป็นสินค้าส่งออกที่สำคัญของประเทศไทย โดยมีแนวโน้มความต้องการมากขึ้นทุกปี แต่ผลผลิตลดลงเนื่องจากปัญหาการระบาดโรคในระยะการเจริญเติบโต การติดตามความอุดมสมบูรณ์ และดูแล มีความสำคัญต่อผลผลิตโดยตรง ซึ่งสามารถตรวจสอบด้วยค่าดัชนีพืชพรรณที่บ่งบอกถึงระดับความเขียวพืช มีการตอบสนองที่ดีในเรื่องของคลอโรฟิลล์ในใบไม้ และสอดคล้องกับการเจริญเต ...
openaire   +1 more source

Mountain crop monitoring with multitemporal Sentinel-1 and Sentinel-2 imagery

2017 9th International Workshop on the Analysis of Multitemporal Remote Sensing Images (MultiTemp), 2017
An analysis of radar signal sensitivity to crop and soil conditions was conducted using a time series of Sentinel-1 C-band dual-polarized (VH-VV) SAR images acquired from October 2014 to September 2016 for different crops (meadows, pasture, orchard, vineyards) located in mountain areas.
C. Notarnicola, S. Asam, A. Jacob, C. Marin, M. Rossi, L. Stendardi   +5 more
openaire   +1 more source

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2018
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openaire   +1 more source

Mangrove forests mapping using Sentinel-1 and Sentinel-2 satellite images

Arabian Journal of Geosciences, 2022
Alireza Sharifi, Shilan Felegari, Aqil Tariq   +2 more
openaire   +1 more source