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Assessment of suitable observation conditions for a monthly operational remote sensing based crop monitoring system. Abstract: Cloud cover is the main issue to consider when remote sensing images are used to identify, map and monitor croplands, especially over the summer season (October to March in Brazi). This pape... ... Repositório: BDPA Ano de publicação: 2014
Modelling evapotranspiration by remote sensing parameters and agro-meteorological stations. Field energy balances from irrigated and natural ecosystems, together with a net of agrometeorological stations, were used to develop a model for actual evapotranspiration (ET) quantification, based o... ... Repositório: BDPA Ano de publicação: 2012
Lem benchmark database for tropical agricultural remote sensing application. Abstract: The monitoring of agricultural activities at a regular basis is crucial to assure that the food production meets the world population demands, which is increasing yearly. Such information ca... ... Repositório: BDPA Ano de publicação: 2018
Determining regional actual evapotranspiration ofirrigated crops and natural vegetation in the São Francisco river basin (Brazil) using remote sensing and Penman-Monteith equation. To achieve sustainable development a nd to ensure water availability in hydrological basins, water managers need tools to determine the actual evapotranspiration (ET) on a large scale. Field energy ba... ... Repositório: BDPA Ano de publicação: 2010
Remote sensing and cropping practices: a review. For agronomic, environmental, and economic reasons, the need for spatialized information about agricultural practices is expected to rapidly increase. In this context, we reviewed the literature on re... ... Repositório: BDPA Ano de publicação: 2018
Mapping soil erosion risk in Rondônia, Brazilian Amazonia: using rusle, remote sensing and GIS. This article discusses research in which the authors applied the Revised Universal Soil Loss Equation (RUSLE), remote sensing, and geographical information system (GIS) to the maping of soil erosion r... ... Repositório: BDPA Ano de publicação: 2004
Remote sensing applied to pasture monitoring: a review. ABSTRACT - Objective: The goal of this study was to review the results obtained by various authors for large-scale pasture monitoring via remote sensing; to monitor the development and degradation con... ... Repositório: BDPA Ano de publicação: 2024
Remote sensing and kriging with external drift to improve sparse proximal soil sensing data and define management zones in precision agriculture. The precision agriculture scientific field employs increasingly innovative techniques to optimize inputs, maximize profitability, and reduce environmental impacts. Therefore, obtaining a high number o... ... Repositório: BDPA Ano de publicação: 2023
Developments in land use and land cover classification techniques in remote sensing: a review. Abstract. Studies on land use and land cover changes (LULCC) have been a great concern due to their contribution to the policies formulation and strategic plans in different areas and at different sca... ... Repositório: BDPA Ano de publicação: 2022
Computational framework to analyze agrometeorological, climate and remote sensing data: challenges and perspectives. In the past few years, improvements in the data acquisition technology have decreased the time interval of data gathering. Consequently, institutions have stored huge amounts of data such as climate t... ... Repositório: BDPA Ano de publicação: 2009

Mostrando 1 - 10 de 1.289 resultados.

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