نتایج جستجو برای: temporal variability

تعداد نتایج: 402760  

Journal: :Ethiopian Journal of Environmental Studies and Management 2014

Journal: :Frontiers in Ecology and the Environment 2021

High temporal variability in environmental conditions, populations, and ecological communities can result species extinctions outbreaks of agricultural pests disease vectors, as well impact industries dependent on reliable provisioning ecosystem services. Yet few empirical studies have focused testing hypotheses about the drivers at large spatial scales. Using decadal datasets that span aquatic...

Journal: :Journal Of Geophysical Research: Atmospheres 2021

In this work, we describe the compilation and homogenization of an extensive data set aerosol iodine field observations in period between 1963 2018 discuss its spatial temporal dependences by comparison with CAM-Chem model simulations. A close to linear relationship soluble total is found (?80% soluble), which enables converting a large subset measurements into iodine. The resulting shows disti...

Journal: :Journal of Geophysical Research: Atmospheres 2014

Journal: :Technological Forecasting and Social Change 2021

Employing the metadata from 627,632 Instagram posts for Austrian capital city of Vienna over period October 30th, 2011 to February 7th, 2018, present study extracts sentiment, as well single basic emotions according Plutchik's Wheel Emotions, photo captions including hashtag terms. In doing so, an algorithm falling into category dictionary-based approaches contained in written text was develope...

Journal: :Proceedings of the International Astronomical Union 2010

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