D-Index & Metrics Best Publications

D-Index & Metrics D-index (Discipline H-index) only includes papers and citation values for an examined discipline in contrast to General H-index which accounts for publications across all disciplines.

Discipline name D-index D-index (Discipline H-index) only includes papers and citation values for an examined discipline in contrast to General H-index which accounts for publications across all disciplines. Citations Publications World Ranking National Ranking
Earth Science D-index 47 Citations 8,613 139 World Ranking 2443 National Ranking 1086

Overview

What is he best known for?

The fields of study he is best known for:

  • Oceanography
  • Ecology
  • Thermodynamics

John P. Ryan mainly investigates Oceanography, Phytoplankton, Upwelling, Bay and Ecology. The Oceanography study combines topics in areas such as Spring bloom and Ocean color. His studies in Upwelling integrate themes in fields like Water mass and Remote sensing.

His biological study spans a wide range of topics, including Monterey Canyon, Akashiwo sanguinea and Red tide. His work in the fields of Photosynthetic picoplankton, Community structure and Bacterioplankton overlaps with other areas such as Replicate. His study in Thermocline is interdisciplinary in nature, drawing from both Sea level, Sea surface temperature and Thin layers.

His most cited work include:

  • From anchovies to sardines and back: multidecadal change in the Pacific Ocean. (1269 citations)
  • A comparison of global estimates of marine primary production from ocean color (454 citations)
  • Coastal zone color scanner pigment concentrations in the Southern Ocean and relationships to geophysical surface features (254 citations)

What are the main themes of his work throughout his whole career to date?

His primary scientific interests are in Oceanography, Bay, Upwelling, Phytoplankton and Ecology. His Oceanography research is multidisciplinary, incorporating perspectives in Algal bloom and Ocean color. His study explores the link between Bay and topics such as Bloom that cross with problems in Dinoflagellate.

In his study, Marine engineering, Underwater vehicle and Mesoscale meteorology is inextricably linked to Sea surface temperature, which falls within the broad field of Upwelling. The various areas that John P. Ryan examines in his Phytoplankton study include Thermocline, Red tide, Thin layers and Biogeochemical cycle. His work on Diatom and Habitat is typically connected to Ocean sunfish as part of general Ecology study, connecting several disciplines of science.

He most often published in these fields:

  • Oceanography (54.05%)
  • Bay (31.08%)
  • Upwelling (27.03%)

What were the highlights of his more recent work (between 2015-2021)?

  • Oceanography (54.05%)
  • Bay (31.08%)
  • Upwelling (27.03%)

In recent papers he was focusing on the following fields of study:

His primary areas of study are Oceanography, Bay, Upwelling, Ecology and Whale. His research on Oceanography often connects related areas such as Phytoplankton. John P. Ryan has included themes like Bloom, Habitat, Algal bloom, Predation and Humpback whale in his Bay study.

His Upwelling research integrates issues from Swarming, Front, Sea surface temperature, Shadow and Species richness. His Diatom and Swarm behaviour study in the realm of Ecology connects with subjects such as Molidae, Mola ramsayi and Ocean sunfish. His Whale research is multidisciplinary, incorporating elements of Hydrophone and Remote sensing.

Between 2015 and 2021, his most popular works were:

  • Causality of an extreme harmful algal bloom in Monterey Bay, California, during the 2014-2016 northeast Pacific warm anomaly (54 citations)
  • A microfluidic optical platform for real-time monitoring of pH and oxygen in microfluidic bioreactors and organ-on-chip devices (48 citations)
  • A microfluidic optical platform for real-time monitoring of pH and oxygen in microfluidic bioreactors and organ-on-chip devices (48 citations)

In his most recent research, the most cited papers focused on:

  • Oceanography
  • Ecology
  • Thermodynamics

John P. Ryan mainly focuses on Oceanography, Ecology, Phytoplankton, Bay and Upwelling. His research ties Marine ecosystem and Oceanography together. His work on Diatom as part of general Ecology research is frequently linked to Mola ramsayi, Molidae and Ocean sunfish, thereby connecting diverse disciplines of science.

His Phytoplankton research incorporates elements of Ocean gyre and Underwater. In Bay, he works on issues like Bloom, which are connected to Pseudo-nitzschia, Algal bloom and Dinoflagellate. His research in Upwelling intersects with topics in Swarming, Tracking, Swarm behaviour and Front.

This overview was generated by a machine learning system which analysed the scientist’s body of work. If you have any feedback, you can contact us here.

Best Publications

From anchovies to sardines and back: multidecadal change in the Pacific Ocean.

Francisco P. Chavez;John Ryan;Salvador E. Lluch-Cota;C Miguel Ñiquen.
Science (2003)

2070 Citations

A comparison of global estimates of marine primary production from ocean color

Mary-Elena Carr;Marjorie A. M. Friedrichs;Marjorie A. M. Friedrichs;Marjorie Schmeltz;Maki Noguchi Aita.
Deep-sea Research Part Ii-topical Studies in Oceanography (2006)

662 Citations

Coastal zone color scanner pigment concentrations in the Southern Ocean and relationships to geophysical surface features

J. C. Comiso;C. R. McClain;C. W. Sullivan;J. P. Ryan.
Journal of Geophysical Research (1993)

393 Citations

Biological and chemical consequences of the 1997–1998 El Niño in central California waters

F.P Chavez;J.T Pennington;C.G Castro;C.G Castro;J.P Ryan.
Progress in Oceanography (2002)

323 Citations

Comparison of algorithms for estimating ocean primary production from surface chlorophyll, temperature, and irradiance

Janet Campbell;David Antoine;Robert Armstrong;Kevin Arrigo.
Global Biogeochemical Cycles (2002)

311 Citations

Mass stranding of marine birds caused by a surfactant-producing red tide.

David A. Jessup;Melissa A. Miller;John P. Ryan;Hannah M. Nevins;Hannah M. Nevins.
PLOS ONE (2009)

202 Citations

Pattern and synchrony of gene expression among sympatric marine microbial populations

Elizabeth Ottesen;Curtis Robert Young Iii;John Marmaduke Eppley;John P. Ryan.
Proceedings of the National Academy of Sciences of the United States of America (2013)

185 Citations

Linking the physiology and ecology of Cochlodinium to better understand harmful algal bloom events: A comparative approach

Raphael M. Kudela;John P. Ryan;Melissa D. Blakely;Jenny Q. Lane.
Harmful Algae (2008)

171 Citations

Red and black tides: Quantitative analysis of water-leaving radiance and perceived color for phytoplankton, colored dissolved organic matter, and suspended sediments

Heidi M. Dierssen;Raphael M. Kudela;John P. Ryan;Richard C. Zimmerman.
Limnology and Oceanography (2006)

162 Citations

Influences of upwelling and downwelling winds on red tide bloom dynamics in Monterey Bay, California

John P. Ryan;Andrew M. Fischer;Raphael M. Kudela;James F.R. Gower.
Continental Shelf Research (2009)

139 Citations

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