Pearlman Jay

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Pearlman
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Jay
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Now showing 1 - 4 of 4
  • Working Paper
    A modern coastal ocean observing system using data from advanced satellite and in situ sensors – an example
    (NSF/Ocean Research Coordination Network, 2015-06-01) Yoder, James A. ; Davis, Curtiss O. ; Dierssen, Heidi M. ; Muller-Karger, Frank E. ; Mahadevan, Amala ; Pearlman, Jay ; Sosik, Heidi M.
    This report is intended to illustrate and provide recommendations for how ocean observing systems of the next decade could focus on coastal environments using combined satellite and in situ measurements. Until recently, space-based observations have had surface footprints typically spanning hundreds of meters to kilometers. These provide excellent synoptic views for a wide variety of ocean characteristics. In situ observations are instead generally point or linear measurements. The interrelation between space-based and in-situ observations can be challenging. Both are necessary and as sensors and platforms evolve during the next decade, the trend to facilitate interfacing space and in-situ observations must continue and be expanded. In this report, we use coastal observation and analyses to illustrate an observing system concept that combines in situ and satellite observing technologies with numerical models to quantify subseasonal time scale transport of freshwater and its constituents from terrestrial water storage bodies across and along continental shelves, as well as the impacts on some key biological/biogeochemical properties of coastal waters.
  • Article
    Globally consistent quantitative observations of planktonic ecosystems
    (Frontiers Media, 2019-04-25) Lombard, Fabien ; Boss, Emmanuel S. ; Waite, Anya M. ; Vogt, Meike ; Uitz, Julia ; Stemmann, Lars ; Sosik, Heidi M. ; Schulz, Jan ; Romagnan, Jean-Baptiste ; Picheral, Marc ; Pearlman, Jay ; Ohman, Mark D. ; Niehoff, Barbara ; Möller, Klas O. ; Miloslavich, Patricia ; Lara-Lpez, Ana ; Kudela, Raphael M. ; Lopes, Rubens M. ; Kiko, Rainer ; Karp-Boss, Lee ; Jaffe, Jules S. ; Iversen, Morten H. ; Irisson, Jean-Olivier ; Fennel, Katja ; Hauss, Helena ; Guidi, Lionel ; Gorsky, Gabriel ; Giering, Sarah L. C. ; Gaube, Peter ; Gallager, Scott M. ; Dubelaar, George ; Cowen, Robert K. ; Carlotti, François ; Briseño-Avena, Christian ; Berline, Leo ; Benoit-Bird, Kelly J. ; Bax, Nicholas ; Batten, Sonia ; Ayata, Sakina Dorothée ; Artigas, Luis Felipe ; Appeltans, Ward
    In this paper we review the technologies available to make globally quantitative observations of particles in general—and plankton in particular—in the world oceans, and for sizes varying from sub-microns to centimeters. Some of these technologies have been available for years while others have only recently emerged. Use of these technologies is critical to improve understanding of the processes that control abundances, distributions and composition of plankton, provide data necessary to constrain and improve ecosystem and biogeochemical models, and forecast changes in marine ecosystems in light of climate change. In this paper we begin by providing the motivation for plankton observations, quantification and diversity qualification on a global scale. We then expand on the state-of-the-art, detailing a variety of relevant and (mostly) mature technologies and measurements, including bulk measurements of plankton, pigment composition, uses of genomic, optical and acoustical methods as well as analysis using particle counters, flow cytometers and quantitative imaging devices. We follow by highlighting the requirements necessary for a plankton observing system, the approach to achieve it and associated challenges. We conclude with ranked action-item recommendations for the next 10 years to move toward our vision of a holistic ocean-wide plankton observing system. Particularly, we suggest to begin with a demonstration project on a GO-SHIP line and/or a long-term observation site and expand from there, ensuring that issues associated with methods, observation tools, data analysis, quality assessment and curation are addressed early in the implementation. Global coordination is key for the success of this vision and will bring new insights on processes associated with nutrient regeneration, ocean production, fisheries and carbon sequestration.
  • Preprint
    Facilitating open exchange of data and information
    ( 2014-09-22) Gallagher, James ; Orcutt, John A. ; Simpson, Pauline ; Wright, Dawn J. ; Pearlman, Jay ; Raymond, Lisa
    By broad consensus, Open Data presents great value. However, beyond that simple statement, there are a number of complex, and sometimes contentious, issues that the science community must address. In this review, we examine the current state of the core issues of Open Data with the unique perspective and use cases of the ocean science community: interoperability; discovery and access; quality and fitness for purpose; and sustainability. The topics of Governance and Data Publication are also examined in detail. Each of the areas covered are, by themselves, complex and the approaches to the issues under consideration are often at odds with each other. Any comprehensive policy on Open Data will require compromises that are best resolved by broad community input. In the final section of the review, we provide recommendations that serve as a starting point for these discussions.
  • Article
    Evolving and sustaining ocean best practices and standards for the next decade
    (Frontiers Media, 2019-06-04) Pearlman, Jay ; Bushnell, Mark ; Coppola, Laurent ; Karstensen, Johannes ; Buttigieg, Pier Luigi ; Pearlman, Francoise ; Simpson, Pauline ; Barbier, Michele ; Muller-Karger, Frank E. ; Munoz-Mas, Cristian ; Pissierssens, Peter ; Chandler, Cynthia L. ; Hermes, Juliet ; Heslop, Emma ; Jenkyns, Reyna ; Achterberg, Eric P. ; Bensi, Manuel ; Bittig, Henry C. ; Blandin, Jerome ; Bosch, Julie ; Bourles, Bernard ; Bozzano, Roberto ; Buck, Justin J. H. ; Burger, Eugene ; Cano, Daniel ; Cardin, Vanessa ; Llorens, Miguel Charcos ; Cianca, Andrés ; Chen, Hua ; Cusack, Caroline ; Delory, Eric ; Garello, Rene ; Giovanetti, Gabriele ; Harscoat, Valerie ; Hartman, Susan ; Heitsenrether, Robert ; Jirka, Simon ; Lara-Lopez, Ana ; Lantér, Nadine ; Leadbetter, Adam ; Manzella, Giuseppe ; Maso, Joan ; McCurdy, Andrea ; Moussat, Eric ; Ntoumas, Manolis ; Pensieri, Sara ; Petihakis, George ; Pinardi, Nadia ; Pouliquen, Sylvie ; Przeslawski, Rachel ; Roden, Nicholas P. ; Silke, Joe ; Tamburri, Mario N. ; Tang, Hairong ; Tanhua, Toste ; Telszewski, Maciej ; Testor, Pierre ; Thomas, Julie ; Waldmann, Christoph ; Whoriskey, Frederick G.
    The oceans play a key role in global issues such as climate change, food security, and human health. Given their vast dimensions and internal complexity, efficient monitoring and predicting of the planet’s ocean must be a collaborative effort of both regional and global scale. A first and foremost requirement for such collaborative ocean observing is the need to follow well-defined and reproducible methods across activities: from strategies for structuring observing systems, sensor deployment and usage, and the generation of data and information products, to ethical and governance aspects when executing ocean observing. To meet the urgent, planet-wide challenges we face, methods across all aspects of ocean observing should be broadly adopted by the ocean community and, where appropriate, should evolve into “Ocean Best Practices.” While many groups have created best practices, they are scattered across the Web or buried in local repositories and many have yet to be digitized. To reduce this fragmentation, we introduce a new open access, permanent, digital repository of best practices documentation (oceanbestpractices.org) that is part of the Ocean Best Practices System (OBPS). The new OBPS provides an opportunity space for the centralized and coordinated improvement of ocean observing methods. The OBPS repository employs user-friendly software to significantly improve discovery and access to methods. The software includes advanced semantic technologies for search capabilities to enhance repository operations. In addition to the repository, the OBPS also includes a peer reviewed journal research topic, a forum for community discussion and a training activity for use of best practices. Together, these components serve to realize a core objective of the OBPS, which is to enable the ocean community to create superior methods for every activity in ocean observing from research to operations to applications that are agreed upon and broadly adopted across communities. Using selected ocean observing examples, we show how the OBPS supports this objective. This paper lays out a future vision of ocean best practices and how OBPS will contribute to improving ocean observing in the decade to come.