Results 31 to 40 of about 197,559 (308)

Remote and Proximal Sensing-Derived Spectral Indices and Biophysical Variables for Spatial Variation Determination in Vineyards

Agronomy, 2021
Remote-sensing measurements are crucial for smart-farming applications, crop monitoring, and yield forecasting, especially in fields characterized by high heterogeneity.
Nicoleta Darra, Emmanouil Psomiadis, Aikaterini Kasimati, Achilleas Anastasiou, Evangelos Anastasiou, Spyros Fountas   +5 more
doaj   +1 more source

Narrow band based and broadband derived vegetation indices using Sentinel-2 Imagery to estimate vegetation biomass [PDF]

Global Journal of Environmental Science and Management, 2020
Forest’s ecosystem is one of the most important carbon sink of the terrestrial ecosystem. Remote sensing technology provides robust techniques to estimate biomass and solve challenges in forest resource assessment.
A.B. Imran, K. Khan, N. Ali, N. Ahmad, A. Ali, K. Shah   +5 more
doaj   +1 more source

Effect of Cultivar on Chlorophyll Meter and Canopy Reflectance Measurements in Cucumber [PDF]

, 2020
Optical sensors can be used to assess crop N status to assist with N fertilizer management. Differences between cultivars may affect optical sensor measurement.
De Souza, Romina, Gallardo Pino, María Luisa, Grasso, Rafael, Padilla Ruiz, Francisco Manuel, Peña Fleitas, María Teresa, Thompson, Rodney   +5 more
core   +1 more source

Land Cover and Forest Type Classification by Values of Vegetation Indices and Forest Structure of Tropical Lowland Forests in Central Vietnam

International Journal of Forestry Research, 2020
This paper aims to (i) optimize the application of multiple bands of satellite images for land cover classification by using random forest algorithms and (ii) assess correlations and regression of vegetation indices of a better-performed land cover ...
Hung Nguyen Trong, The Dung Nguyen, Martin Kappas   +2 more
doaj   +1 more source

Monitoring forest biodiversity and the impact of climate on forest environment using high-resolution satellite images

European Journal of Remote Sensing, 2018
The main objectives of the research work were to determine the usefulness of Landsat and SPOT data for monitoring various forest parameters, and to assess the impact of changeable climatic conditions with the use of vegetation indices derived from ...
Zbigniew Bochenek, Dariusz Ziolkowski, Maciej Bartold, Karolina Orlowska, Adrian Ochtyra   +4 more
doaj   +1 more source

Evaluation of Broadband and Narrowband Vegetation Indices for the Identification of Archaeological Crop Marks

Remote Sensing, 2012
Several studies in the past have examined the spectral capability of multispectral and hyperspectral imagery for the identification of crop marks, while recent studies have applied different vegetation indices in order to support remote sensing ...
Diofantos G. Hadjimitsis, Athos Agapiou, Dimitrios D. Alexakis   +2 more
doaj   +1 more source

FIELD SPECTROSCOPY FOR VEGETATION EVALUATION ALONG THE NUTRIENT AND ELEVATION GRADIENT ABOVE THE TREE LINE IN THE KRKONOŠE MOUNTAINS NATIONAL PARK [PDF]

The International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2016
This paper examines the relations between vegetation spectra measured in the field along the nutrient and elevation gradient in the most valuable parts of The Krkonoše Mountains tundra and selected parameters describing vegetation state and condition ...
L. Červená, L. Kupková, R. Suchá
doaj   +1 more source

Spatiotemporal variability of vegetation response to meteorological drought on the Korean Peninsula

Hydrology Research, 2023
To assess vegetation drought, it is important to understand the relationship between climate and vegetation and to accurately measure the response of vegetation activity to meteorological drought.
Haeun Jung, Jeongeun Won, Shinuk Kang, Sangdan Kim   +3 more
doaj   +1 more source

Natural Products as Geroprotective Modulators in Diabetic Nephropathy: A Mechanistic Framework Integrating Aging Hallmarks and the AMPK–SIRT1–Nrf2 Axis

Aging and Cancer, EarlyView.
Natural products target the aging kidney in diabetic nephropathy by restoring the AMPK–SIRT1–Nrf2 axis, reducing oxidative stress, inflammation, fibrosis, and cellular senescence while enhancing mitochondrial biogenesis and antioxidant defenses.
Sherif Hamidu, Latif Adams, Eunice Ampem‐Danso, Justice Kumi, Abigail Aning, Fatima Hamidu, Mustapha Abdul Mumin Mohammed, Ayuba Nii Darku Ankrah, Seth Kwabena Amponsah   +8 more
wiley   +1 more source

Analyzing Fire Severity and Post-Fire Vegetation Recovery in the Temperate Andes Using Earth Observation Data

Fire, 2022
In wildfire areas, earth observation data is used for the development of fire-severity maps or vegetation recovery to select post-fire measures for erosion control and revegetation.
Melanie Maxwald, Markus Immitzer, Hans Peter Rauch, Federico Preti   +3 more
doaj   +1 more source