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Ohad Zivan
Technion – Israel Institute of Technology
5Publications
3H-index
28Citations
Publications 5
Newest
#1Rakefet Shafran-Nathan (Technion – Israel Institute of Technology)H-Index: 3
#2Yael Etzion (Technion – Israel Institute of Technology)H-Index: 6
Last.David M. Broday (Technion – Israel Institute of Technology)H-Index: 24
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Abstract Small-scale heterogeneity of airborne pollutants may have implications for accurate exposure estimation in environmental health studies. However, it has been studied thus far mainly near main roads and over relatively short periods. The emergence of low-cost miniature particle sensors enables deployment of multi-sensor nodes for studying the spatial variability of ambient pollutants at fine spatial scales for extended time periods. We carried out measurements of fine ambient particles, ...
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#1Yuval (Technion – Israel Institute of Technology)H-Index: 12
#2Hadas Magen Molho (HUJI: Hebrew University of Jerusalem)H-Index: 1
Last.Raanan Raz (HUJI: Hebrew University of Jerusalem)H-Index: 15
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Abstract The adverse health effects of inhaled particulate matter (PM) are global concern. Yet, in general, estimating the exposure to PM is challenging due to the sparsity of standard air quality monitoring stations and the low accuracy of dispersion models when high spatial resolution is required. The city of Elad, Israel, is situated less than 1 km from the Migdal Tzedek stone quarry, and public concerns were raised regarding the impact of the quarry's PM emissions on the city air quality. Th...
1 CitationsSource
#1Ohad Zivan (Technion – Israel Institute of Technology)H-Index: 3
Last.Yael Dubowski (Technion – Israel Institute of Technology)H-Index: 18
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Abstract Atmospheric drift is considered a major loss path of pesticide from target areas, but there is still a large gap of knowledge regarding this complex phenomenon. Pesticide drift may occur during application (Primary drift) and after it (Secondary drift). The present study focuses on primary and secondary drift from ground applications in peach orchard (tree height of 3 m), under Mediterranean climate. Detailed and prolonged vertical drift profiles at close proximity to orchard are presen...
7 CitationsSource
#1Yaal Lester (TAU: Tel Aviv University)H-Index: 12
#2Sara Sabach (Technion – Israel Institute of Technology)H-Index: 3
Last.Yael Dubowski (Technion – Israel Institute of Technology)H-Index: 18
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Abstract Chlorpyrifos (CP) is still a commonly employed organophosphorus insecticide worldwide. In semi-arid and Mediterranean climates, applied CP is expected to remain on leaves surfaces for relatively long time due to the lack of summer rains and common use of drip irrigation. The present work examines the loss rate of CP from leaves via different surface processes: evaporation, direct photolysis and reactions with ozone and OH radicals. Laboratory experiments showed that evaporation rate con...
5 CitationsSource
#1Ohad Zivan (Technion – Israel Institute of Technology)H-Index: 3
#2M. Segal-Rosenheimer (ARC: Ames Research Center)H-Index: 10
Last.Yael Dubowski (Technion – Israel Institute of Technology)H-Index: 18
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Abstract Pesticide application is a short-term air-pollution episode with near and far field effects due to atmospheric drift. In order to better evaluate resulting air concentrations in nearby communities following pesticide application, measurements of airborne pesticides were conducted at ∼70 m from field edge. This was done following three different application events of the organophosphate pesticide Chlorpyrifos in a persimmon orchard. Complementary information on larger spatial scale was o...
15 CitationsSource
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