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  • 1
    Publication Date: 2023-12-20
    Description: Monitoring of vegetation structure and functioning is critical to modeling terrestrial ecosystems and energy cycles. In particular, leaf area index (LAI) is an important structural property of vegetation used in many land surface vegetation, climate, and crop production models. Canopy structure (LAI, fCover, plant height, and biomass) and biochemical parameters (leaf pigmentation and water content) directly influence the radiative transfer process of sunlight in vegetation, determining the amount of radiation measured by passive sensors in the visible and infrared portions of the electromagnetic spectrum. Optical remote sensing (RS) methods build relationships exploiting in situ measurements and/or as outputs of physical canopy radiative transfer models. The increased availability of passive (radar and LiDAR) RS data has fostered their use in many applications for the analysis of land surface properties and processes, thanks also to their insensitivity to weather conditions and the capability to exploit rich structural and textural information. Data fusion and multi-sensor integration techniques are pressing topics to fully exploit the information conveyed by both optical and microwave bands.
    Keywords: Q1-390 ; artificial neural network ; downscaling ; simulation ; 3D point cloud ; European beech ; consistency ; adaptive threshold ; evaluation ; photosynthesis ; geographic information system ; P-band PolInSAR ; validation ; density-based clustering ; structure from motion (SfM) ; EPIC ; Tanzania ; signal attenuation ; trunk ; canopy closure ; REDD+ ; unmanned aerial vehicle (UAV) ; forest ; recursive feature elimination ; Fraction of Photosynthetically Active Radiation absorbed by vegetation (FPAR) ; aboveground biomass ; random forest ; uncertainty ; household survey ; spectral information ; forests biomass ; root biomass ; biomass ; unmanned aerial vehicle ; Brazilian Amazon ; VIIRS ; global positioning system ; LAI ; photochemical reflectance index (PRI) ; allometric scaling and resource limitation ; R690/R630 ; modelling aboveground biomass ; leaf area index ; forest degradation ; spectral analyses ; terrestrial laser scanning ; BAAPA ; leaf area index (LAI) ; stem volume estimation ; tomographic profiles ; polarization coherence tomography (PCT) ; canopy gap fraction ; automated classification ; HemiView ; remote sensing ; multisource remote sensing ; Pléiades imagery ; photogrammetric point cloud ; farm types ; terrestrial LiDAR ; altitude ; RapidEye ; forest aboveground biomass ; recovery ; southern U.S. forests ; NDVI ; machine-learning ; conifer forest ; satellite ; chlorophyll fluorescence (ChlF) ; tree heights ; phenology ; point cloud ; local maxima ; clumping index ; MODIS ; digital aerial photograph ; Mediterranean ; hemispherical sky-oriented photo ; managed temperate coniferous forests ; fixed tree window size ; drought ; GLAS ; smartphone-based method ; forest above ground biomass (AGB) ; forest inventory ; over and understory cover ; sampling design ; bic Book Industry Communication::G Reference, information & interdisciplinary subjects::GP Research & information: general
    Language: English
    Format: application/octet-stream
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  • 2
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    Imprensa de História Contemporânea
    Publication Date: 2024-04-04
    Description: This book challenges conventional wisdom about bullfighting. With an innovative approach, based on the work of Norbert Elias, the author argues bullfight is the result of the interaction between transformations of society and decisions that aim to create bullfighting rules. In the course of history, bullfighting became civilized, that is, pacified, in the sense that the level of self-control in the conduct and emotions of both bullfighters and public increased. This does not mean that violence has disappeared, but that it has acquired new traits. This historical path, from the 15th century to the present, is reconstructed in these pages by analyzing bullfighting in Portugal through the viewpoint of the regulation of violence, its public exposure and its relationship with the population's patterns of behavior and sensitivity.
    Description: Este livro desafia a sabedoria convencional acerca das corridas de touros. Com uma abordagem inovadora, a partir da obra de Norbert Elias, defende que a tourada é o resultado da interação entre as transformações da sociedade e as decisões que visam criar regras sobre a lide do touro. No decurso da história, a corrida de touros civilizou-se, ou seja, pacificou-se, no sentido em que foi aumentando o nível de autocontrolo na conduta e nas emoções quer dos toureiros quer do público. Tal não significa que a violência tenha desaparecido, mas sim que adquiriu novas faces e contornos. Este percurso histórico, desde o século xv até à atualidade, é reconstruído nestas páginas analisando a corrida de touros em Portugal através do prisma da regulação da violência, da sua exposição pública e da sua relação com os padrões de comportamento e de sensibilidade da população.
    Keywords: Portugal ; bulfighting history ; historical sociology ; Norbert Elias ; história da tourada ; sociologia histórica ; HBTB ; HBJD ; HBLC1 ; HBLH ; HBLW ; thema EDItEUR::N History and Archaeology::NH History::NHT History: specific events and topics::NHTB Social and cultural history ; thema EDItEUR::N History and Archaeology::NH History::NHD European history ; thema EDItEUR::N History and Archaeology ; thema EDItEUR::3 Time period qualifiers::3M c 1500 onwards to present day ; thema EDItEUR::3 Time period qualifiers::3M c 1500 onwards to present day::3MP 20th century, c 1900 to c 1999
    Language: Portuguese
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  • 3
    Publication Date: 2023-03-22
    Description: In this work, we evaluate the SUPIM-INPE model prediction of the 14 December 2020, total solar eclipse over the South American continent. We compare the predictions with data from multiple instruments for monitoring the ionosphere and with different obscuration percentages (i.e., Jicamarca, 12.0°S, 76.8°W, 17%; Tucumán 26.9°S, 65.4° W, 49%; Chillán 36.6°S, 72.0°W; and Bahía Blanca, 38.7°S, 62.3°W, reach 95% obscuration) due to the eclipse. The analysis is done under total eclipse conditions and non-total eclipse conditions. Results obtained suggest that the model was able to reproduce with high accuracy both the daily variation and the eclipse impacts of E and F1 layers in the majority of the stations evaluated (except in Jicamarca station). The comparison at the F2 layer indicates small differences (〈7.8%) between the predictions and observations at all stations during the eclipse periods. Additionally, statistical metrics reinforce the conclusion of a good performance of the model. Predicted and calibrated Total Electron Content (TEC, using 3 different techniques) are also compared. Results show that, although none of the selected TEC calibration methods have a good agreement with the SUPIM-INPE prediction, they exhibit similar trends in most of the cases. We also analyze data from the Jicamarca Incoherent Scatter Radar (ISR), and Swarm-A and GOLD missions. The electron temperature changes observed in ISR and Swarm-A are underestimated by the prediction. Also, important changes in the O/N2 ratio due to the eclipse, have been observed with GOLD mission data. Thus, future versions of the SUPIM-INPE model for eclipse conditions should consider effects on thermospheric winds and changes in composition, specifically in the O/N2 ratio.
    Description: Published
    Description: 1021910
    Description: 2A. Fisica dell'alta atmosfera
    Description: JCR Journal
    Repository Name: Istituto Nazionale di Geofisica e Vulcanologia (INGV)
    Type: article
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  • 4
    Publication Date: 2023-02-08
    Description: Diverse microbial ecosystems underpin life in the sea. Among these microbes are many unicellular eukaryotes that span the diversity of the eukaryotic tree of life. However, genetic tractability has been limited to a few species, which do not represent eukaryotic diversity or environmentally relevant taxa. Here, we report on the development of genetic tools in a range of protists primarily from marine environments. We present evidence for foreign DNA delivery and expression in 13 species never before transformed and for advancement of tools for eight other species, as well as potential reasons for why transformation of yet another 17 species tested was not achieved. Our resource in genetic manipulation will provide insights into the ancestral eukaryotic lifeforms, general eukaryote cell biology, protein diversification and the evolution of cellular pathways.
    Type: Article , PeerReviewed
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  • 5
    Publication Date: 2023
    Description: 〈p〉〈em〉A simulation tool of a sky wave over-the-horizon radar performance and detection process includes many stages based on different models, which creates a synthetic searching scenario as a first step followed by a digital signal processing to detect and locate a potential target. Its accuracy will depend on the quality of the input and adequacy degree of the model assumptions. A sensitivity analysis of this simulation tool is carried out analyzing outputs’ variation as a consequence of changes in input factors. The architecture of this tool allow easy implementation and the study of input variables impact on detection and location results that can be useful towards dimensioning features and elements of a real radar〈/em〉〈/p〉
    Print ISSN: 2321-421X
    Electronic ISSN: 2230-7990
    Topics: Geography , Geosciences
    Published by STM Journals
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  • 6
    Publication Date: 2023
    Description: 〈p〉〈em〉A simulation tool of a sky wave over-the-horizon radar performance and detection process includes many stages based on different models, which creates a synthetic searching scenario as a first step followed by a digital signal processing to detect and locate a potential target. Its accuracy will depend on the quality of the input and adequacy degree of the model assumptions. A sensitivity analysis of this simulation tool is carried out analyzing outputs’ variation as a consequence of changes in input factors. The architecture of this tool allow easy implementation and the study of input variables impact on detection and location results that can be useful towards dimensioning features and elements of a real radar〈/em〉〈/p〉
    Print ISSN: 2321-421X
    Electronic ISSN: 2230-7990
    Topics: Geography , Geosciences
    Published by STM Journals
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  • 7
    Publication Date: 2021-11-01
    Print ISSN: 0306-2619
    Electronic ISSN: 1872-9118
    Topics: Energy, Environment Protection, Nuclear Power Engineering
    Published by Elsevier
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