Results 11 to 20 of about 125,832 (310)

Estimativa da evapotranspiração real diária utilizando-se imagens digitais TM - Landsat 5 Assessment of daily actual evapotranspiration using TM - Landsat 5 digital images

Revista Brasileira de Meteorologia, 2008
A quantificação da evapotranspiração é de grande importância na modelagem hidrológica e meteorológica, sendo indispensável no manejo hídrico sustentável de cultivos irrigados.
Bergson G. Bezerra, Bernardo B. da Silva, Nelson J. Ferreira   +2 more
doaj   +1 more source

Surface albedo in different land-use and cover types in Amazon forest region

Revista Ambiente & Água, 2018
Albedo is the portion of energy from the Sun that is reflected by the earth's surface, thus being an important variable that controls climate and energy processes on Earth.
Thiago de Oliveira Faria, Thiago Rangel Rodrigues, Leone Francisco Amorim Curado, Denilton Carlos Gaio, José de Souza Nogueira   +4 more
doaj   +1 more source

Empirical Estimation of Nutrient, Organic Matter and Algal Chlorophyll in a Drinking Water Reservoir Using Landsat 5 TM Data

Remote Sensing, 2021
The main objective of this study was to develop empirical models from Landsat 5 TM data to monitor nutrient (total phosphorus: TP), organic matter (biological oxygen demand: BOD), and algal chlorophyll (chlorophyll-a: CHL-a).
Md Mamun, Jannatul Ferdous, Kwang-Guk An
doaj   +1 more source

A Framework of Generating Land Surface Reflectance of China Early Landsat MSS Images by Visibility Data and Its Evaluation

Remote Sensing, 2022
The Landsat time-series dataset is one of the most widely used datasets for land surface research due to its long time-series and Land Surface Reflectance (LSR) product.
Cong Zhao, Zihua Wu, Qiming Qin, Xin Ye
doaj   +1 more source

Landsat 5 to be decommissioned [PDF]

Eos, Transactions American Geophysical Union, 2013
After orbiting the planet more than 150,000 times since its launch in 1984, the Landsat 5 Earth observing satellite is being decommissioned due to the recent failure of a gyroscope, the U.S. Geological Survey (USGS) announced on 21 December. The 29‐year‐old satellite originally had an expected design life of 3 years.
openaire   +1 more source

Componentes do balanço de energia da soja estimada por meio de imagens via satélite.

Agro@mbiente On-line, 2014
Existem várias formas para mensurar a evapotranspiração, desde formas diretas, com a utilização de lisímetros, a indiretas como proposto por Penman-Montheith.
André Ricardo Gomes Bezerra, Marcos Antonio Vanderlei Silva, Ricardo Escobar de Matos, Aracy Camilla Tardin Pinheiro, Éder Stolben Moscon   +4 more
doaj   +1 more source

Avaliação dos efeitos atmosféricos no albedo e NDVI obtidos com imagens de satélite Evaluation of the atmospheric effects on albedo and NDVI using satellite images

Revista Brasileira de Engenharia Agrícola e Ambiental, 2011
O albedo é um elemento importante em estudos relacionados aos balanços de radiação e energia. Por conseguinte, alterações ocorridas em diversos biomas trazem grandes implicações ao conforto humano e animal.
Marcus V. C. Bezerra, Bernardo B. da Silva, Bergson G. Bezerra   +2 more
doaj   +1 more source

Identifying Emeishan basalt by supervised learning with Landsat-5 and ASTER data

Frontiers in Earth Science, 2023
Multispectral-sensor images are advantageous in terms of discriminating major lithologies due to their high spatial resolution and intermediate spectral resolution, in addition to their low cost and high accessibility in comparison to hyperspectral ...
Ling Zeng, Tianbin Li, Haitao Huang, Peng Zeng, Yuanxiao He, Linhai Jing, Yan Yang, Shoutao Jiao   +7 more
doaj   +1 more source

Compartimentação fisiográfica para análise ambiental do potencial erosivo a partir das propriedades da rede de drenagem Landscape compartimentation for environmental analysis of the erosive potential from the properties of the drainage network

Engenharia Agrícola, 2005
O presente trabalho teve como objetivo compartimentar a sub-bacia do Baixo Rio Piracicaba - SP, em unidades homogêneas quanto à potencialidade à erosão visando a subsidiar o gerenciamento ambiental.
Paulo S. R. Nascimento, Gilberto J. Garcia   +1 more
doaj   +1 more source

Landsat 4, 5 and 7 (1982 to 2017) Analysis Ready Data (ARD) Observation Coverage over the Conterminous United States and Implications for Terrestrial Monitoring

Remote Sensing, 2019
The Landsat Analysis Ready Data (ARD) are designed to make the U.S. Landsat archive straightforward to use. In this paper, the availability of the Landsat 4 and 5 Thematic Mapper (TM) and Landsat 7 Enhanced Thematic Mapper Plus (ETM+) ARD over the ...
Alexey V. Egorov, David P. Roy, Hankui K. Zhang, Zhongbin Li, Lin Yan, Haiyan Huang   +5 more
doaj   +1 more source