Results 41 to 50 of about 111,427 (210)

Contributions of natural and human factors to increases in vegetation productivity in China [PDF]

open access: yes, 2015
Increasing trends in vegetation productivity have been identified for the last three decades for many regions in the northern hemisphere including China.
Xiao, Jingfeng, Zhang, Li, Zhou, Yu
core   +2 more sources

Relationship between densification and NDVI loss. A study using the Google Earth Engine at local scale

open access: yesEnvironmental & Socio-economic Studies, 2022
Latin American cities are amongst those with the highest rates of urbanization in the world. This process has involved their territorial expansion as well as the densification of some of its neighborhoods, in mainly central areas. This is the case of the
Celemin Juan Pablo, Arias Maria Eugenia
doaj   +1 more source

High resolution fire hazard index based on satellite images [PDF]

open access: yes, 2019
In December 2015, after 3 year of activity, the FP7 project PREFER (Space-based Information Support for Prevention and REcovery of Forest Fires Emergency in the MediteRranean Area) came to an end.
Fusilli, Lorenzo, Laneve, Giovanni
core   +1 more source

Spatial and temporal variations of vegetation coverage and their driving factors following gully control and land consolidation in Loess Plateau, China

open access: yesOpen Geosciences, 2022
Comprehensive management of the ecological environment and sustainable ecological development, such as the gully control and land consolidation (GCLC) project, may affect surface vegetation.
Wang Jing   +3 more
doaj   +1 more source

Las áreas verdes en la ciudad de Morelia, Michoacán. México

open access: yesInvestigaciones Geográficas, 2022
La gestión de áreas verdes tiene un rol muy importante en la sostenibilidad urbana ya que la cobertura vegetal en las ciudades tiene importantes funciones ambien-tales.
Manuel Bollo Manent   +2 more
doaj   +1 more source

Bayesian Method for Building Frequent Landsat-Like NDVI Datasets by Integrating MODIS and Landsat NDVI [PDF]

open access: yesRemote Sensing, 2016
Studies related to vegetation dynamics in heterogeneous landscapes often require Normalized Difference Vegetation Index (NDVI) datasets with both high spatial resolution and frequent coverage, which cannot be satisfied by a single sensor due to technical limitations.
Limin Liao   +4 more
openaire   +2 more sources

Efficiency of Variable Rate Application of Nitrogen Fertilizers Using Artificial Intelligence Model

open access: yesИнженерные технологии и системы
Introduction. Winter wheat is a key grain crop, the productivity of which is largely determined by optimal nitrogen nutrition. Optimization of nitrogen nutrition for winter wheat in modern conditions of a large agroholding requires variable rate ...
Evgeny V. Truflyak, Leonid V. Ragozin
doaj   +1 more source

Assessing spectral similarities between rainfed and irrigated croplands in a humid environment for irrigated land mapping [PDF]

open access: yes, 2014
Deriving accurate spatial assessments of the distribution of irrigated crops has become more important in recent years for water resource planning, particularly where irrigation water resources are constrained.
Shamal, S. A. M., Weatherhead, E. K.
core   +1 more source

TÉCNICAS DE GEOPROCESSAMENTO APLICADAS PARA ANÁLISE TEMPORAL DO MICROCLIMA NA BACIA HIDROGRÁFICA DO CÓRREGO DO PEQUIÁ, MARANHÃO

open access: yesBoletim Goiano de Geografia
A supressão da vegetação, o incremento das atividades antrópicas sem as medidas de mitigação necessárias e as alterações climáticas ocorridas ao longo dos anos têm sido importantes indicadores da degradação ambiental, implicando diretamente na qualidade ...
Felipe Alexandre Rizzo   +2 more
doaj   +1 more source

Potential of Optical Sensors for Predicting Winter Wheat Yield Through Variable-Rate Nitrogen Application

open access: yesContemporary Agriculture
The main lever of precision agriculture is technology that provides a better understanding of the agro-ecological conditions, enables decision-making based on facts and natural laws, and facilitates precise implementation of practices based on local ...
Stanković Nikola   +5 more
doaj   +1 more source

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