Results 11 to 20 of about 1,306,145 (264)

Essential variables for air quality estimation

open access: yesInternational Journal of Digital Earth, 2020
Within this survey we describe the conceptual architecture of the infrastructure to measure PM2.5/PM10 concentration in the atmosphere over the Kyiv city using modern monitoring instruments.
Andrii Shelestov   +18 more
doaj   +2 more sources

Towards integrated essential variables for sustainability [PDF]

open access: yesInternational Journal of Digital Earth, 2020
Measuring the achievement of a sustainable development requires the integration of various data sets and disciplines describing bio-physical and socio-economic conditions. These data allow characterizing any location on Earth, assessing the status of the
Anthony Lehmann   +3 more
doaj   +5 more sources

Which variables are essential for renewable energies? [PDF]

open access: yesInternational Journal of Digital Earth, 2020
Essential Variables are defined as a minimal set of variables that explain the state of the system. They are crucial for predicting its developments, and support metrics that measure its evolution. The variables should be relevant to meet requirements of
Thierry Ranchin   +3 more
doaj   +3 more sources

Variability of the Essential Oil of Viola etrusca [PDF]

open access: yesAnnals of Botany, 2003
Essential oils obtained from different populations of Viola etrusca from Italy have been analysed to verify the phenotypic discontinuity observed in a previous study. All of the essential oils contained methyl salicylate as a main constituent. However, multivariate analysis showed differences among some populations, in particular between northern and ...
FLAMINI, GUIDO   +2 more
openaire   +2 more sources

On Essential and Shared Variables

open access: yes, 2022
A short statement at the Arctic Observing Summit 2022 in WP2: Regional to Global Observing. The short statement reflects on the commonalities and differences between the concepts of Essential and Shared variables.
Thomas Lavergne, Stefan Kern
openaire   +2 more sources

Toward a definition of Essential Mountain Climate Variables [PDF]

open access: yesOne Earth, 2021
<p>Numerous applications, including generating future predictions via numerical modelling, establishing appropriate policy instruments, and effectively tracking progress against them, require the multitude of complex processes and interactions operating in rapidly changing mountainous environmental systems to be well monitored and ...
James M. Thornton   +16 more
openaire   +5 more sources

Task-dependent variability of Essential Tremor [PDF]

open access: yesParkinsonism & Related Disorders, 2017
In Essential Tremor (ET), tremor characteristics and the impairment caused by tremor may vary from task to task. A variability of tremor frequency between postural and kinetic tasks has been proposed in ET, suggesting either multiple central oscillating networks, or peripheral or proprioceptive feedback-mechanisms. This electrophysiological study aimed
Nicole Schuhmayer   +6 more
openaire   +2 more sources

Alexander Polynomials: Essential Variables and Multiplicities [PDF]

open access: yesInternational Mathematics Research Notices, 2010
27 ...
Dimca, Alexandru   +2 more
openaire   +2 more sources

Essential dryland ecosystem variables

open access: yesCurrent Opinion in Environmental Sustainability, 2021
Long-term and high-quality data are needed to assess the status, variability, change and drivers of dryland ecosystems, but these data are often lacking because dryland ecosystems are less studied without a consistent and systematic indicator framework.
Wu, B   +5 more
openaire   +2 more sources

A workflow for Sustainable Development Goals indicators assessment based on high-resolution satellite data

open access: yesInternational Journal of Digital Earth, 2020
For evaluating the progresses towards achieving the Sustainable Development Goals (SDGs), a global indicator framework was developed by the UN Inter-Agency and Expert Group on Sustainable Development Goals Indicators.
Nataliia Kussul   +5 more
doaj   +1 more source

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