Results 51 to 60 of about 153,331 (381)

Spring and autumn phenology across the Tibetan Plateau inferred from normalized difference vegetation index and solar-induced chlorophyll fluorescence

open access: yes, 2021
Plant phenology is a key parameter for accurately modeling ecosystem dynamics. Limited by scarce ground observations and benefiting from the rapid growth of satellite-based Earth observations, satellite data have been widely used for broad-scale ...
F. Meng   +4 more
semanticscholar   +1 more source

UAV-Derived Spectral Indices for the Evaluation of the Condition of Rye in Long-Term Field Experiments

open access: yesAgriculture, 2022
The aim of the study was to evaluate the effect of various fertilization treatments, including nitrogen, potassium and phosphorus fertilization, in long-term experiments for selected UAV (unmanned aerial vehicle)-derived spectral vegetation indices (NDVI—
Elżbieta Wójcik-Gront   +2 more
doaj   +1 more source

Assessment of MODIS spectral indices for determining rice paddy agricultural practices and hydroperiod [PDF]

open access: yes, 2015
The aims of this study were to assess the dynamics of the Normalized Difference Vegetation Index (NDVI), Normalized Difference Water Index (NDWI(1) and NDWI(2)) and Shortwave Angle Slope Index (SASI) in relation to rice agricultural practices and ...
Antonio Dominguez, Jose   +4 more
core   +2 more sources

Application of Normalized Difference Vegetation Index (NDVI) for the Detection of Extreme Precipitation Change

open access: yes, 2021
Remote sensing has frequently been employed to monitor extreme climatic events, especially droughts, by identifying the anomalies of vegetation activity from the regional to global scale.
Fengsong Pei, Yi Zhou, Yan Xia
semanticscholar   +1 more source

Detection of Aquatic Plants Using Multispectral UAV Imagery and Vegetation Index

open access: yesRemote Sensing, 2020
In this study, aquatic plants in a small reservoir were detected using multispectral UAV (Unmanned Aerial Vehicle) imagery and various vegetation indices.
Bonggeun Song, Kyunghun Park
doaj   +1 more source

Normalized Difference Vegetation Index Temporal Responses to Temperature and Precipitation in Arid Rangelands

open access: yesRemote Sensing, 2021
Rangeland degradation caused by increasing misuses remains a global concern. Rangelands have a remarkable spatiotemporal heterogeneity, making them suitable to be monitored with remote sensing.
E. Sanz   +8 more
semanticscholar   +1 more source

Vegetation Change Analysis using Normalized Difference Vegetation Index and Land Surface Temperature in Greater Gir Landscape

open access: yesJournal of scientific research, 2021
1 DOI: 10.37398/JSR.2021.650301 Abstract: Vegetation indices and Temperature datasets are very crucial in remote sensing to identify the differences over the period of time on the particular landscape.
Abhinav Mehta   +2 more
semanticscholar   +1 more source

A long-term monthly analytical study on the relationship of LST with normalized difference spectral indices

open access: yesEuropean Journal of Remote Sensing, 2021
This study analyzes the long-term monthly variation of land surface temperature (LST) and its relationship with normalized difference spectral indices in the Raipur City of India using one hundred and 23 Landsat images from 1988 to 2020. In specific, the
Subhanil Guha, Himanshu Govil
doaj   +1 more source

Analysis vegetation change on coal mine reclamation using Normalized Difference Vegetation Index (NDVI)

open access: yesIOP Conference Series: Earth and Environmental Science, 2021
Abstract Vegetation cover is a critical indicator and sensitive in degradation land. This study aims to explore the comparative analysis of vegetation index in the ex-mine reclamation area. The study is conducted on 2.03 ha area reclamation planted in 2017. The analysis is performed by measure Normalized Difference Vegetation Index (NDVI)
Endy T Juanda, Dwi N Martono, Lana Saria
openaire   +1 more source

Regional equivalent water thickness modeling from remote sensing across a tree cover/lai gradient in mediterranean forests of northern Tunisia [PDF]

open access: yes, 2015
The performance of vegetation indexes derived from moderate resolution imaging spectroradiometer (MODIS) sensors is explored for drought monitoring in the forests of Northern Tunisia; representing a transition zone between the Mediterranean Sea and the ...
Chakroun, H.   +2 more
core   +2 more sources

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