Gad Levy

Dr. Gad Levy

Senior Scientist, NorthWest Research Associate (Primary), President, Pan Ocean Remote Sensing Association, Associate faculty U. of Phoenix (secondary) NorthWest Research Associates 4118 148th Ave NE Redmond, WA 98052-5164, USA
orcid

Research Focus & Metrics

Academic Career Length

19Years (2008-Present)

(Calculated once Scilit publication data is synced: current year − year of first publication + 1)

Representative Publications

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17 November 2015 in International Journal of Remote Sensing
Verified
Journal Article
Closed access
LCLina Cai
Lina Cai
DTDanling Tang
Danling Tang
Gad LevyGad Levy
Gad Levy
DLDongyan Liu
Dongyan Liu
This study investigates the capability of high-spatial resolution Landsat Thematic Mapper (TM) data to sense and document suspended particulate matter concentration (SPMC) variability resulting from the influence of large structures in coastal waters. Two bridges, located in the coastal waters of the Yangtze River delta, are used as examples. A new SPMC inverse model, relating SPMC to TM optical properties through linear regression in the red and near-infrared bands, is developed. In total, 780 samples and 30 transects taken between 2006 and 2011 were used to compare and contrast SPMC at locations upstream and downstream of the bridges. The comparisons show: (i) within a distance of 0.3 km downstream from the bridges, SPMC mostly increased by 3–60% (8.40–176.29 mg l–1); (ii) when SPMC values upstream were low (400 mg l–1) upstream, decreases in SPMC were observed in 0.3–6.5 km downstream. The bridges influenced SPMC by blocking the transport of upstream suspended particulate matter (deposition) and through stirring of the sediments near the base of their piers (resuspension). The results can be generalized to other offshore engineering structures.

27 April 2018 in International Journal of Remote Sensing
Verified
Journal Article
Open access
Gad LevyGad Levy
Gad Levy
Stefano VignudelliStefano Vignudelli
Stefano Vignudelli
JGJim Gower
Jim Gower
(2018). Enabling earth observations in support of global, coastal, ocean, and climate change research and monitoring. International Journal of Remote Sensing: Vol. 39, Enabling Earth Observations in Support of Global, Coastal, Ocean and Climate Change Research and Monitoring, pp. 4287-4292.

1 November 2023 in Ecological Engineering & Environmental Technology
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Journal Article
Open access
MHMaryem HAMIDI
Maryem HAMIDI
Tarik BouramtaneTarik Bouramtane
Tarik Bouramtane
SAShiny Abraham
Shiny Abraham
IKIlias Kacimi
Ilias Kacimi
Laurent BarbieroLaurent Barbiero
Laurent Barbiero
Gad LevyGad Levy
Gad Levy
Landslides are considered to be one of the most significant and critical natural hazards in the heterogeneous geomorphological setting of the Rif region of Morocco. Despite the high susceptibility to landslides, the region lacks detailed studies. Therefore, this research introduces four advanced...

15 November 2008 in Geophysical Research Letters
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Journal Article
Closed access
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Gad LevyGad Levy
Gad Levy
MCMax Coon
Max Coon
Giang NguyenGiang Nguyen
Giang Nguyen
DSDeborah Sulsky
Deborah Sulsky

23 October 2008 in International Journal of Remote Sensing
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Journal Article
Closed access
Gad LevyGad Levy
Gad Levy
JGJ. Gower
J. Gower
(2008). Preface. International Journal of Remote Sensing: Vol. 29, Satellite observations of the atmosphere, ocean and their interface in relation to climate, natural hazards and management of the coastal zone, pp. 6085-6090.

20 September 2010 in International Journal of Remote Sensing
Verified
Journal Article
Closed access
Gad LevyGad Levy
Gad Levy
JGJim Gower
Jim Gower
(2010). Oceanic manifestation of global changes: satellite observations of the atmosphere, ocean and their interface. International Journal of Remote Sensing: Vol. 31, Pan Ocean Remote Sensing: Oceanic Manifestation of Global Changes, pp. 4509-4514.