Results 81 to 90 of about 220,969 (290)

AUTOMATED PREDICTION SYSTEM FOR VEGETATION COVER BASED ON MODIS-NDVI SATELLITE DATA AND NEURAL NETWORKS [PDF]

open access: yesThe International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2019
Around the world, vegetation cover functioning as shelter to wildlife, clean water, food security as well as treat large part of air pollution problem. Accurate predictive data early warn and provide knowledge for decision makers to reduce the effects of
S. K. M. Abujayyab, İ. R. Karaş
doaj   +1 more source

The deterioration of materials from air pollution as derived from satellite and ground based observations [PDF]

open access: yes, 2017
Dose-Response Functions (DRFs) are widely used in estimating corrosion and/or soiling levels of materials used in constructions and cultural monuments. These functions quantify the effects of air pollution and environmental parameters on different materials through ground based measurements of specific air pollutants and climatic parameters.
arxiv   +1 more source

Climate and Socio‐Sexual Environment Predict Interpopulation Variation in Chemical Signaling Glands in a Widespread Lizard

open access: yesIntegrative Zoology, EarlyView.
High phenotypic variation in femoral pore number across 55 populations of Podarcis muralis is best explained by a combination of positive allometry (size) and the local intensity of sexual selection (sexual dimorphism in body size, SSD) or local climatic conditions, notably temperature and vegetation density.
Cristina Romero‐Diaz   +5 more
wiley   +1 more source

Bridging the gap between remotely sensed phenology and the underlying ecophysiological processes: The SWELL model

open access: yesMethods in Ecology and Evolution, EarlyView.
Abstract Vegetation phenology studies the periodic recurrence of plant life‐cycle events and is essential for understanding ecosystem responses to environmental changes. Remote sensing has become a key tool for monitoring phenological events on large spatial and temporal scales, primarily using vegetation indices like the Normalized Difference ...
S. Bajocco, C. Ricotta, S. Bregaglio
wiley   +1 more source

Removal of Curtaining Effects by a Variational Model with Directional Forward Differences [PDF]

open access: yesarXiv, 2015
Focused ion beam (FIB) tomography provides high resolution volumetric images on a micro scale. However, due to the physical acquisition process the resulting images are often corrupted by a so-called curtaining or waterfall effect. In this paper, a new convex variational model for removing such effects is proposed.
arxiv  

Habitat dynamics of flagship species for conservation prioritization in southern Europe

open access: yesConservation Biology, EarlyView.
Abstract Biodiversity loss is accelerating due to human actions, and decision‐making for conservation needs to be streamlined. Ex situ biodiversity modeling and monitoring based on satellite time‐series data could be an affordable and cost‐efficient tool for improving the prioritization of conservation areas.
Antonio Velasco‐Rodríguez   +4 more
wiley   +1 more source

The Moderate Resolution Imaging Spectroradiometer (MODIS): land remote sensing for global change research

open access: yesIEEE Transactions on Geoscience and Remote Sensing, 1998
The first Moderate Resolution Imaging Spectroradiometer (MODIS) instrument is planned for launch by NASA in 1998. This instrument will provide a new and improved capability for terrestrial satellite remote sensing aimed at meeting the needs of global change research.
Justice, Christopher O   +22 more
openaire   +3 more sources

Coupling in situ and remote sensing data to assess α‐ and β‐diversity over biogeographic gradients

open access: yesEcography, EarlyView.
The mapping of plant biodiversity represents a fundamental stage in establishing conservation priorities, particularly in identifying groups of species that share ecological requirements or evolutionary histories. This is often achieved by assessing different spatial diversity patterns in plant population distributions.
Maxime Lenormand   +4 more
wiley   +1 more source

Advanced Spaceborne Thermal Emission and Reflection Radometer (ASTER) Enhanced Vegetation Index (EVI) Products from Global Earth Observation (GEO) Grid: An Assessment Using Moderate Resolution Imaging Spectroradiometer (MODIS) for Synergistic Applications

open access: yesRemote Sensing, 2012
We assessed the compatibility of three Advanced Spaceborne Thermal Emission and Reflection Radometer (ASTER) based Enhanced Vegetation Index (EVI) products generated in the GEO Grid system to Moderate Resolution Imaging Spectroradiometer (MODIS) EVI. The
Satoshi Tsuchida   +2 more
doaj   +1 more source

Content Based Image Retrieval from AWiFS Images Repository of IRS Resourcesat-2 Satellite Based on Water Bodies and Burnt Areas [PDF]

open access: yesarXiv, 2018
Satellite Remote Sensing Technology is becoming a major milestone in the prediction of weather anomalies, natural disasters as well as finding alternative resources in proximity using multiple multi-spectral sensors emitting electromagnetic waves at distinct wavelengths.
arxiv  

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