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Yishai Weinstein

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Yishai Weinstein

 https://orcid.org/0000-0003-4482-6691
1989 …2026

Research activity per year

Personal profile

About Me

Academic Profile

As a geochemist, I am interested in all aspects of fluxes of material between different earthly reservoirs. During my early career, as a research student, I mainly did magmatic geochemistry and petrology, focusing on provenance of magmas, composition of their deep sources and magmatic processes en route to the surface. The main model was published in J. Petrology (2006), promoting the concept of veined lithosphere melting, which is now widely accepted and cited. 

Since my post-doc at Scripps Institution of Oceanography (1998-2000), I am mainly engaged in marine chemistry and groundwater investigation, focusing on fluxes and resience times in reservoirs. This includes fluxes at oceanic cold seeps (eg. Pacific Northwest), Submarine (and sub-lacustrine) Groudnwater Discharge (SGD), seawater and lake water circulation in aquifers, C export from surface water to the Deep sea, shelf-open sea transport processes and deep groundwater (incl. brines) residence times. Major part of my group's work is dedicated to the High Arctic archipelago of Svalbard, where we study both permafrost prcesses (aggregation, thawing and internal fluid migration) and sub-permafrost groundwater.

My lab is a radio-isotope environmental lab, occupying a variety of alpha, beta and gamma detectors, which are mainly aimed at radio-nuclides of the U-Th decay chains as environmental tracers. We also operated the marine station DeepLev at the deep eastern Mediterranean, which traces a variety of physical, cehmical and biological aspects of the ultra-oligotrophic Levantine Basin, offshore Israel.

Current Projects

  • the discharge of deep hydrothermal groundwater and history of stratification of the kille lake Lake Kivu (Rwanda/Congo)
  • fluxes and mechanisms of transport between shelf and the open Sea at the eastern Mediterranean Sea
  • residence times and methane fluxes in sub-permafrost groundwater, and the history of permafrost conntinuity in the high Arctic of Svalbard

Education/Academic qualification

Geology, Geochemistry, PhD, Mechanisms of generation of intra-continental alkali-basalts in northeastern Israel, Hebrew University of Jerusalem

Oct 1992 → Jun 1998

Award Date: 30 Dec 1998

Geology, Geochemistry, Master's Degree, Petrology of Pleistocene basalts in the northern Golan Heights, Hebrew University of Jerusalem

1 Oct 1989 → 30 Sep 1992

Award Date: 30 Sep 1986

Bachelor, Hebrew University of Jerusalem

Oct 1983 → Sep 1986

Award Date: 30 Sep 1986

Expertise related to UN Sustainable Development Goals

In 2015, UN member states agreed to 17 global Sustainable Development Goals (SDGs) to end poverty, protect the planet and ensure prosperity for all. This person’s work contributes towards the following SDG(s):

  1. SDG 13 - Climate Action
    SDG 13 Climate Action
  2. SDG 14 - Life Below Water
    SDG 14 Life Below Water

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  • Microbial-mediated recycling constrains the contribution of primary production to export flux in an oligotrophic system

    Bar, T., Alkalay, R., Soukhanov, M., Belkin, N., Lehahn, Y., Weinstein, Y., Katz, T., Herut, B., Rahav, E. & Berman-Frank, I., Jan 2026, In: Limnology and Oceanography. 71, 1, e70309.

    Research output: Contribution to journal › Article › peer-review

    Open Access

  • Nepheloid layers impact on C:N ratio of settling organic particles in an ultraoligotrophic sea

    Alkalay, R., Weinstein, Y., Herut, B., Berman-Frank, I. & Katz, T., May 2026, In: Marine Chemistry. 276, 104624.

    Research output: Contribution to journal › Article › peer-review

  • Dynamics of dissolved trace metals, rare earth elements and Pb isotopes across the eastern margins of the Mediterranean Sea

    Benaltabet, T., Lapid, G., Alkalay, R., Weinstein, Y., Steffens, T., Achterberg, E. P. & Torfstein, A., May 2025, In: Marine Chemistry. 270, 104519.

    Research output: Contribution to journal › Article › peer-review

    Open Access

  • Global subterranean estuaries modify groundwater nutrient loading to the ocean

    Wilson, S. J., Moody, A., McKenzie, T., Cardenas, M. B., Luijendijk, E., Sawyer, A. H., Wilson, A., Michael, H. A., Xu, B., Knee, K. L., Cho, H. M., Weinstein, Y., Paytan, A., Moosdorf, N., Chen, C. T. A., Beck, M., Lopez, C., Murgulet, D., Kim, G. & Charette, M. A. & 52 others, Waska, H., Ibánhez, J. S. P., Chaillou, G., Oehler, T., Onodera, S. I., Saito, M., Rodellas, V., Dimova, N., Montiel, D., Dulai, H., Richardson, C., Du, J., Petermann, E., Chen, X., Davis, K. L., Lamontagne, S., Sugimoto, R., Wang, G., Li, H., Torres, A. I., Demir, C., Bristol, E., Connolly, C. T., McClelland, J. W., Silva, B. J., Tait, D., Kumar, B. S. K., Viswanadham, R., Sarma, V. V. S. S., Silva-Filho, E., Shiller, A., Lecher, A., Tamborski, J., Bokuniewicz, H., Rocha, C., Reckhardt, A., Böttcher, M. E., Jiang, S., Stieglitz, T., Gbewezoun, H. G. V., Charbonnier, C., Anschutz, P., Hernández-Terrones, L. M., Babu, S., Szymczycha, B., Sadat-Noori, M., Niencheski, F., Null, K., Tobias, C., Song, B., Anderson, I. C. & Santos, I. R., Aug 2024, In: Limnology And Oceanography Letters. 9, 4, p. 411-422 12 p.

    Research output: Contribution to journal › Letter › peer-review

    Open Access
    58 Scopus citations

  • Multiyear surface wave dataset from the subsurface "deepLev" eastern Levantine moored station

    Haim, N., Grigorieva, V., Soffer, R., Mayzel, B., Katz, T., Alkalay, R., Biton, E., Lazar, A., Gildor, H., Berman-Frank, I., Weinstein, Y., Herut, B. & Toledo, Y., 4 Jun 2024, In: Earth System Science Data. 16, 6, p. 2659-2668 10 p.

    Research output: Contribution to journal › Article › peer-review

    Open Access
    3 Scopus citations
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