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23 Results Found

  • Technical Note
  • Open Access
45 Citations
16,027 Views
17 Pages

12 June 2018

Sentinel-2 is a constellation of two satellites launched by the European Space Agency (ESA), respectively on 23 June 2015 and 7 March 2017, to map geophysical parameters over land surfaces. ESA provides Level 2 bottom-of-atmosphere reflectance (BOA)...

  • Article
  • Open Access
33 Citations
4,301 Views
25 Pages

28 December 2022

Earth Observation services guarantee continuous land cover mapping and are becoming of great interest worldwide. The Google Earth Engine Dynamic World represents a planetary example. This work aims to develop a land cover mapping service in geomorpho...

  • Article
  • Open Access
32 Citations
4,384 Views
31 Pages

28 December 2022

Land cover (LC) maps are crucial to environmental modeling and define sustainable management and planning policies. The development of a land cover mapping continuous service according to the new EAGLE legend criteria has become of great interest to...

  • Letter
  • Open Access
8 Citations
3,445 Views
11 Pages

5 November 2020

A substantial proportion of Italian students are unaware of the connection between what they learn at school and their work opportunities .This proportion would most likely increase if data were collected today, given the generation of a broad range...

  • Technical Note
  • Open Access
7 Citations
9,735 Views
19 Pages

13 March 2021

In this study, we demonstrate that the Google Earth Engine (GEE) dataset of Sentinel-3 Ocean and Land Color Instrument (OLCI) level-1 deviates from the original Copernicus Open Access Data Hub Service (DHUS) data by 10–20 W m−2 sr−1μμm−1 per pixel pe...

  • Article
  • Open Access
22 Citations
6,828 Views
19 Pages

Building a SAR-Enabled Data Cube Capability in Australia Using SAR Analysis Ready Data

  • Catherine Ticehurst,
  • Zheng-Shu Zhou,
  • Eric Lehmann,
  • Fang Yuan,
  • Medhavy Thankappan,
  • Ake Rosenqvist,
  • Ben Lewis and
  • Matt Paget

15 July 2019

A research alliance between the Commonwealth Scientific and Industrial Research Organization and Geoscience Australia was established in relation to Digital Earth Australia, to develop a Synthetic Aperture Radar (SAR)-enabled Data Cube capability for...

  • Article
  • Open Access
4 Citations
4,209 Views
20 Pages

21 December 2023

Differential SAR Interferometry is a largely exploited technique to study ground deformations. A key application is the detection of the effects promoted by earthquakes, including detailed variations in ground deformations at different scales. In thi...

  • Article
  • Open Access
23 Citations
6,598 Views
15 Pages

6 August 2020

Deforestation is currently among the most critical ecological issues, which need to be addressed urgently. Hence, identification of effective environmental monitoring methods is of top priority, especially in locations where no precise ground-based d...

  • Article
  • Open Access
61 Citations
13,246 Views
35 Pages

23 September 2020

Leaf area index (LAI) is an essential indicator of crop development and growth. For many agricultural applications, satellite-based LAI estimates at the farm-level often require near-daily imagery at medium to high spatial resolution. The combination...

  • Article
  • Open Access
2 Citations
2,338 Views
16 Pages

8 November 2024

This study examines the impact of rockfalls and floods on road and rail traffic in the Jiului Gorge, Romania, a critical transportation corridor. Using Sentinel-1 radar imagery processed through ESA SNAP and ArcGIS Pro, alongside traffic detection fa...

  • Article
  • Open Access
4 Citations
3,021 Views
14 Pages

Using the Sentinel-3B Satellite in Geospatial Analysis of Suspended Aerosols in the Kiev, Ukraine Region

  • Alcindo Neckel,
  • M. Santosh,
  • Brian William Bodah,
  • Laércio Stolfo Maculan,
  • Diana Pinto,
  • Cleiton Korcelski,
  • Paloma Carollo Toscan,
  • Laura Pasa Cambrussi,
  • Isadora Cezar Caino and
  • Leila Dal Moro
  • + 4 authors

7 December 2022

The use of images from the Sentinel-3B SYN satellite (surface reflectance and aerosol parameters over land) is currently one of the most advanced technologies utilized to identify atmospheric aerosol concentrations on a global scale. The general aim...

  • Article
  • Open Access
25 Citations
10,263 Views
25 Pages

A Radiometric Uncertainty Tool for the Sentinel 2 Mission

  • Javier Gorroño,
  • Norman Fomferra,
  • Marco Peters,
  • Ferran Gascon,
  • Craig I. Underwood,
  • Nigel P. Fox,
  • Grit Kirches and
  • Carsten Brockmann

21 February 2017

In the framework of the European Copernicus programme, the European Space Agency (ESA) has launched the Sentinel-2 (S2) Earth Observation (EO) mission which provides optical high spatial resolution imagery over land and coastal areas. As part of this...

  • Article
  • Open Access
55 Citations
10,400 Views
28 Pages

Radio-Frequency Interference Detection and Mitigation Algorithms for Synthetic Aperture Radiometers

  • Adriano Camps,
  • Jerome Gourrion,
  • Jose Miguel Tarongi,
  • Mercedes Vall Llossera,
  • Antonio Gutierrez,
  • Jose Barbosa and
  • Rita Castro

30 August 2011

The European Space Agency (ESA) successfully launched the Soil Moisture and Ocean Salinity (SMOS) mission in November 2, 2009. SMOS uses a new type of instrument, a synthetic aperture radiometer named MIRAS that provides full-polarimetric multi-angul...

  • Proceeding Paper
  • Open Access
6 Citations
2,688 Views
6 Pages

22 March 2018

Synthetic aperture radar interferometry (InSAR) technology is one of the powerful tools to measure deformation and/or deposition on the ground’s surface. In addition to this, mass movement can also be monitored using InSAR techniques. The earthquake...

  • Article
  • Open Access
2 Citations
2,554 Views
13 Pages

Are There Any Land Use Dynamics in the Upper Bistrița Basin, Eastern Carpathians, Romania, in the Period 1990–2021?

  • Valentin Jujea,
  • Valeriu Stoilov-Linu,
  • Mihaela Boboc,
  • Ionel Popa,
  • Alexandru Nedelea,
  • Nicolae Crăciun and
  • Bogdan-Mihai Negrea

30 August 2023

This paper aims to assess land use and land use change (LULC). For this purpose, supervised mapping on satellite imagery, using the European Space Agency (ESA) SNAP programme from LANDSAT databases, publicly accessible through the European Copernicus...

  • Review
  • Open Access
36 Citations
8,424 Views
14 Pages

24 December 2021

In the 21st century, remote sensing (RS) has become increasingly employed in many environmental studies. This paper constitutes an overview of works utilising RS methods in studies on peatlands and investigates publications from the period 2010&ndash...

  • Article
  • Open Access
161 Citations
21,728 Views
17 Pages

11 January 2019

Land subsidence in urban environments is an increasingly prominent aspect in the monitoring and maintenance of urban infrastructures. In this study we update the subsidence information over Rome and its surroundings (already the subject of past resea...

  • Article
  • Open Access
36 Citations
9,085 Views
13 Pages

26 July 2019

Active satellite remote sensors have emerged in the last years in the field of archaeology, providing new tools for monitoring extensive cultural heritage landscapes and areas. These active sensors, namely synthetic aperture radar (SAR) satellites, p...

  • Article
  • Open Access
17 Citations
5,199 Views
17 Pages

7 November 2019

In the framework of the Copernicus Emergency Management Service (EMS) Mapping Validation, the applicability of the MultiTemporal Coherence (MTC) technique using Sentinel-1 data and the software made available by the European Space Agency (ESA), the S...

  • Article
  • Open Access
5 Citations
4,029 Views
20 Pages

Digital Mapping of Land Cover Changes Using the Fusion of SAR and MSI Satellite Data

  • Guste Metrikaityte,
  • Jurate Suziedelyte Visockiene and
  • Kestutis Papsys

6 July 2022

The aim of this article is to choose the most appropriate method for identifying and managing land cover changes over time. These processes intensify due to human activities such as agriculture, urbanisation and deforestation. The study is based in t...

  • Article
  • Open Access
14 Citations
4,118 Views
23 Pages

Reliable Crops Classification Using Limited Number of Sentinel-2 and Sentinel-1 Images

  • Beata Hejmanowska,
  • Piotr Kramarczyk,
  • Ewa Głowienka and
  • Sławomir Mikrut

11 August 2021

The study presents the analysis of the possible use of limited number of the Sentinel-2 and Sentinel-1 to check if crop declarations that the EU farmers submit to receive subsidies are true. The declarations used in the research were randomly divided...

  • Article
  • Open Access
128 Citations
13,338 Views
22 Pages

A Comparison of Hybrid Machine Learning Algorithms for the Retrieval of Wheat Biophysical Variables from Sentinel-2

  • Deepak Upreti,
  • Wenjiang Huang,
  • Weiping Kong,
  • Simone Pascucci,
  • Stefano Pignatti,
  • Xianfeng Zhou,
  • Huichun Ye and
  • Raffaele Casa

26 February 2019

This study focuses on the comparison of hybrid methods of estimation of biophysical variables such as leaf area index (LAI), leaf chlorophyll content (LCC), fraction of absorbed photosynthetically active radiation (FAPAR), fraction of vegetation cove...

  • Feature Paper
  • Article
  • Open Access
46 Citations
5,332 Views
26 Pages

Top-of-Atmosphere Retrieval of Multiple Crop Traits Using Variational Heteroscedastic Gaussian Processes within a Hybrid Workflow

  • José Estévez,
  • Katja Berger,
  • Jorge Vicent,
  • Juan Pablo Rivera-Caicedo,
  • Matthias Wocher and
  • Jochem Verrelst

20 April 2021

In support of cropland monitoring, operational Copernicus Sentinel-2 (S2) data became available globally and can be explored for the retrieval of important crop traits. Based on a hybrid workflow, retrieval models for six essential biochemical and bi...