Mr. Pedro Jose Jurado Lozano Profile

Pedro Jose Jurado Lozano

System Engineer at European Space Research and Technology Ctr

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Publications (3)

Proceedings Article | 6 August 2018 Paper

Land surface satellite remote sensing gap analysis

Pedro Jose Jurado Lozano, Amanda Regan

Proceedings Volume 10773, 1077309 (2018) https://doi.org/10.1117/12.2326120

KEYWORDS: Spatial resolution, Vegetation, Soil science, Satellites, Synthetic aperture radar, Carbon, Ecosystems, Temporal resolution, Climatology, Bidirectional reflectance transmission function

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Proceedings Article | 17 November 2017 Open Access

The CarbonSat candidate mission for imaging greenhouse gases from space: concepts and system requirements

B. Sierk, J. Caron, J.-L. Bézy, A. Löscher, Y. Meijer, P. Jurado

Proceedings Volume 10563, 105633I (2017) https://doi.org/10.1117/12.2304154

KEYWORDS: Reflectivity, Polarization, Carbon monoxide, Absorption, Gases, Near infrared, Spectrometers, Spatial resolution, Signal to noise ratio, Short wave infrared radiation

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CarbonSat is a candidate mission for ESA's Earth Explorer program, currently undergoing industrial feasibility studies. The primary mission objective is the identification and quantification of regional and local sources and sinks of carbon dioxide (CO₂) and methane (CH₄). The mission also aims at discriminating natural and anthropogenic fluxes. The space-borne instrument will quantify the spatial distribution of CO₂ and CH₄ by measuring dry air column-averaged mixing ratios with high precision and accuracy (0.5 ppm for CO₂ and 5 ppb for CH₄). These products are inferred from spectrally resolved measurements of Earth reflectance in three spectral bands in the Near Infrared (747-773 nm) and Short Wave Infrared (1590-1675 nm and 1925-2095 nm), at high and medium spectral resolution (0.1nm, 0.3 nm, and 0.55 nm). Three spatially co-aligned push-broom imaging spectrometers with a swath width <180 km will acquire observations at a spatial resolution of 2 x 3 km² , reaching global coverage every 12 days above 40 degrees latitude (30 days at the equator). The targeted product accuracy translates into stringent radiometric, spectral and geometric requirements for the instrument. Because of the high sensitivity of the product retrieval to spurious spectral features of the instrument, special emphasis is placed on constraining relative spectral radiometric errors from polarisation sensitivity, diffuser speckles and stray light. A new requirement formulation targets to simultaneously constrain both the amplitude and the correlation of spectral features with the absorption structures of the targeted gases. The requirement performance analysis of the so-called effective spectral radiometric accuracy (ESRA) establishes a traceable link between instrumental artifacts and the impact on the level-2 products (column-averaged mixing ratios). This paper presents the derivation of system requirements from the demanding mission objectives and report preliminary results of the feasibility studies.

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Proceedings Article | 1 September 2015 Paper

Design of a satellite end-to-end mission performance simulator for imaging spectrometers and its application to the ESA's FLEX/Sentinel-3 tandem mission

Jorge Vicent, Neus Sabater, Carolina Tenjo, Juan Acarreta, María Manzano, Juan Rivera, Pedro Jurado, Raffaella Franco, Luis Alonso, Jose Moreno

Proceedings Volume 9611, 96110D (2015) https://doi.org/10.1117/12.2189889

KEYWORDS: Device simulation, Satellites, Sensors, Spectrometers, Calibration, Signal to noise ratio, Image processing, Data modeling, Atmospheric modeling, Satellite imaging

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