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C. Ashjian · SciRah

Researcher profile · Semantic Scholar

C. Ashjian

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C. Ashjian — researcher profile on SciRah

h-index: 38
Works: 119
Citations: 4,224

Most-cited papers

Annual cycle in abundance, distribution, and size in relation to hydrography of important copepod species in the western Arctic Ocean
C. Ashjian, R. Campbell, H. Welch, M. Butler +1 more
2003210 citations
Semantic Scholar
Mesozooplankton prey preference and grazing impact in the Western Arctic Ocean
R. Campbell, E. Sherr, C. Ashjian, S. Plourde +3 more
2009209 citations
Semantic Scholar
Manifestation and consequences of warming and altered heat fluxes over the Bering and Chukchi Sea continental shelves
S. Danielson, O. Ahkinga, C. Ashjian, E. O. Basyuk +22 more
2020144 citations Open access
Semantic Scholar
Modeling the impact of declining sea ice on the Arctic marine planktonic ecosystem
Jin-Lun Zhang, Y. Spitz, M. Steele, C. Ashjian +3 more
2010141 citations Open access
Semantic Scholar
Climate Variability, Oceanography, Bowhead Whale Distribution, and Iñupiat Subsistence Whaling near Barrow, Alaska
C. Ashjian, S. Braund, R. Campbell, J. C. Craig George +8 more
2010134 citations Open access
Semantic Scholar
Ecological characteristics of core-use areas used by Bering–Chukchi–Beaufort (BCB) bowhead whales, 2006–2012
J. Citta, L. Quakenbush, S. Okkonen, M. Druckenmiller +8 more
2015119 citations Open access
Semantic Scholar
Acoustically-inferred zooplankton distribution in relation to hydrography west of the Antarctic Peninsula
G. Lawson, P. Wiebe, C. Ashjian, S. Gallager +2 more
2004116 citations
Semantic Scholar
Life history and biogeography of Calanus copepods in the Arctic Ocean: An individual-based modeling study
R. Ji, C. Ashjian, R. Campbell, Chang-Sheng Chen +4 more
2012114 citations
Semantic Scholar
Global variability in seawater Mg:Ca and Sr:Ca ratios in the modern ocean
M. Lebrato, D. Garbe-Schönberg, M. N. Müller, Sonia Blanco-Ameijeiras +40 more
2020Proceedings of the National Academy of Sciences of the United States of America108 citations Open access
Semantic Scholar
Euphausiid distribution along the Western Antarctic Peninsula—Part B: Distribution of euphausiid aggregations and biomass, and associations with environmental features
G. Lawson, P. Wiebe, C. Ashjian, T. Stanton
2008107 citations
Semantic Scholar
Using a high-powered strobe light to increase the catch of Antarctic krill
P. Wiebe, C. Ashjian, S. Gallager, C. Davis +2 more
2004103 citations
Semantic Scholar
Euphausiid distribution along the Western Antarctic Peninsula—Part A: Development of robust multi-frequency acoustic techniques to identify euphausiid aggregations and quantify euphausiid size, abundance, and biomass
G. Lawson, P. Wiebe, T. Stanton, C. Ashjian
2008101 citations
Semantic Scholar
Real-time observation of taxa-specific plankton distributions: an optical sampling method
C. Davis, Qiao Hu, S. Gallager, Xiaoou Tang +1 more
200498 citations Open access
Semantic Scholar
Distribution of zooplankton on the continental shelf off Marguerite Bay, Antarctic Peninsula, during Austral Fall and Winter, 2001
C. Ashjian, G. Rosenwaks, P. Wiebe, C. Davis +4 more
200493 citations
Semantic Scholar
Improved parameterization of Antarctic krill target strength models.
G. Lawson, P. Wiebe, C. Ashjian, D. Chu +1 more
2006Journal of the Acoustical Society of America86 citations Open access
Semantic Scholar
Euphausiid transport in the Western Arctic Ocean
L. Berline, Y. Spitz, C. Ashjian, R. Campbell +2 more
200879 citations Open access
Semantic Scholar
Transport of plankton and particles between the Chukchi and Beaufort Seas during summer 2002, described using a Video Plankton Recorder
C. Ashjian, S. Gallager, S. Plourde
200570 citations
Semantic Scholar
Intrusion of warm Bering/Chukchi waters onto the shelf in the western Beaufort Sea
S. Okkonen, C. Ashjian, R. Campbell, W. Maslowski +2 more
200865 citations Open access
Semantic Scholar
Bowhead Whale Distribution and Feeding near Barrow, Alaska, in Late Summer 2005–06
S. Moore, J. C. Craig George, G. Sheffield, J. Bacon +1 more
201064 citations Open access
Semantic Scholar
Biodiversity and Biogeography of the Lower Trophic Taxa of the Pacific Arctic Region: Sensitivities to Climate Change
R. J. Nelson, C. Ashjian, B. Bluhm, K. Conlan +14 more
201457 citations
Semantic Scholar
Mesozooplankton grazing during spring sea-ice conditions in the eastern Bering Sea
R. Campbell, C. Ashjian, E. Sherr, B. Sherr +5 more
201655 citations Open access
Semantic Scholar
The Relationship Between Patterns of Benthic Fauna and Zooplankton in the Chukchi Sea and Physical Forcing
M. Pisareva, R. Pickart, K. Iken, E. Ershova +10 more
201555 citations Open access
Semantic Scholar
Satellite observations of circulation features associated with a bowhead whale feeding 'hotspot' near Barrow, Alaska
S. Okkonen, C. Ashjian, R. Campbell, J. Clarke +2 more
201153 citations
Semantic Scholar
The Influence of Sea Ice and Snow Cover and Nutrient Availability on the Formation of Massive Under-Ice Phytoplankton Blooms in the Chukchi Sea
Jin-Lun Zhang, C. Ashjian, R. Campbell, Y. Spitz +2 more
201549 citations Open access
Semantic Scholar
Water properties, heat and volume fluxes of Pacific water in Barrow Canyon during summer 2010
M. Itoh, R. Pickart, T. Kikuchi, Y. Fukamachi +9 more
201549 citations Open access
Semantic Scholar
Assessing algal biomass and bio-optical distributions in perennially ice-covered polar ocean ecosystems
S. Laney, R. Krishfield, J. Toole, T. Hammar +2 more
201449 citations Open access
Semantic Scholar
Seasonal and regional patterns in egg production of Calanus glacialis/marshallae in the Chukchi and Beaufort Seas during spring and summer, 2002
S. Plourde, R. Campbell, C. Ashjian, D. Stockwell
200549 citations
Semantic Scholar
Biogeographic responses of the copepod Calanus glacialis to a changing Arctic marine environment
Zhixuan Feng, R. Ji, C. Ashjian, R. Campbell +1 more
2018Global Change Biology45 citations
Semantic Scholar
Seasonal to mesoscale variability of water masses and atmospheric conditions in Barrow Canyon, Chukchi Sea
R. Pickart, C. Nobre, P. Lin, K. Arrigo +10 more
2019Deep-sea research. Part II, Topical studies in oceanography44 citations Open access
Semantic Scholar
Characterization of the zooplankton community, size composition, and distribution in relation to hydrography in the Japan/East Sea
C. Ashjian, C. Davis, S. Gallager, P. Alatalo
200544 citations
Semantic Scholar
Horizontal and vertical distribution of euphausiid species on the Western Antarctic Peninsula U.S. GLOBEC Southern Ocean study site
P. Wiebe, C. Ashjian, G. Lawson, A. Piñones +1 more
201142 citations
Semantic Scholar
Distribution of larval krill and zooplankton in association with hydrography in Marguerite Bay, Antarctic Peninsula, in austral fall and winter 2001 described using the Video Plankton Recorder
C. Ashjian, C. Davis, S. Gallager, P. Wiebe +1 more
200842 citations
Semantic Scholar
Melt Pond Conditions on Declining Arctic Sea Ice Over 1979–2016: Model Development, Validation, and Results
Jin-Lun Zhang, A. Schweiger, M. Webster, B. Light +4 more
2018Journal of Geophysical Research - Oceans37 citations Open access
Semantic Scholar
The great 2012 Arctic Ocean summer cyclone enhanced biological productivity on the shelves
Jin-Lun Zhang, C. Ashjian, R. Campbell, V. Hill +2 more
2014Journal of Geophysical Research - Oceans37 citations Open access
Semantic Scholar
The Pacific Water flow branches in the eastern Chukchi Sea
R. Pickart, P. Lin, F. Bahr, Leah T. McRaven +30 more
2023Progress in Oceanography32 citations Open access
Semantic Scholar
Overview of the MOSAiC expedition: Ecosystem
A. Fong, C. J. M. Hoppe, Nicole Aberle, C. Ashjian +88 more
2024Elem Sci Anth31 citations Open access
Semantic Scholar
Ice‐tethered profilers sample the upper Arctic Ocean
J. Toole, R. Krishfield, A. Proshutinsky, C. Ashjian +9 more
200629 citations
Semantic Scholar
Mesozooplankton abundance and distribution in association with hydrography on Hanna Shoal, NE Chukchi Sea, during August 2012 and 2013
C. Ashjian, R. Campbell, C. Gelfman, P. Alatalo +1 more
201728 citations Open access
Semantic Scholar
Early ice retreat and ocean warming may induce copepod biogeographic boundary shifts in the Arctic Ocean
Zhixuan Feng, R. Ji, R. Campbell, C. Ashjian +1 more
201628 citations Open access
Semantic Scholar
Rapid Seasonal Sea-Ice Retreat in the Arctic Could Be Affecting Pacific Walrus (Odobenus rosmarus divergens) Recruitment
L. Cooper, C. Ashjian, Sharon L. Smith, L. Codispoti +3 more
200628 citations
Semantic Scholar
Pan-Arctic Depth Distribution of Diapausing Calanus Copepods
K. Kvile, C. Ashjian, R. Ji
2019The Biological Bulletin26 citations Open access
Semantic Scholar
Mercury biomagnification in food webs of the northeastern Chukchi Sea, Alaskan Arctic
Austin L. Fox, J. Trefry, R. P. Trocine, K. Dunton +4 more
201723 citations
Semantic Scholar
Benthic hotspots on the northern Bering and Chukchi continental shelf: Spatial variability in production regimes and environmental drivers
Zhixuan Feng, R. Ji, C. Ashjian, Jin-Lun Zhang +2 more
202020 citations Open access
Semantic Scholar
The encoding of wind forcing into the Pacific-Arctic pressure head, Chukchi Sea ice retreat and late-summer Barrow Canyon water masses
S. Okkonen, C. Ashjian, R. Campbell, P. Alatalo
2019Deep-sea research. Part II, Topical studies in oceanography20 citations Open access
Semantic Scholar
Pushing the limit: Resilience of an Arctic copepod to environmental fluctuations
K. Kvile, C. Ashjian, Zhixuan Feng, Jin-Lun Zhang +1 more
2018Global Change Biology18 citations
Semantic Scholar
The Arctic in the Anthropocene: Emerging research questions
H. Huntington, S. Pfirman, C. Ashjian, L. Bourgeau-Chavez +37 more
201415 citations
Semantic Scholar
Coastal upwelling enhances abundance of a symbiotic diazotroph (UCYN-A) and its haptophyte host in the Arctic Ocean
C. Selden, S. Einarsson, K. Lowry, K. Crider +4 more
2022Frontiers in Marine Science14 citations Open access
Semantic Scholar
Lingering Chukchi Sea sea ice and Chukchi Sea mean winds influence population age structure of euphausiids (krill) found in the bowhead whale feeding hotspot near Pt. Barrow, Alaska
C. Ashjian, S. Okkonen, R. Campbell, P. Alatalo
2021PLoS ONE12 citations Open access
Semantic Scholar
Krill diel vertical migration: A diagnostic for variability of wind forcing over the Beaufort and Chukchi Seas
S. Okkonen, C. Ashjian, R. Campbell, P. Alatalo
2020Progress in Oceanography12 citations Open access
Semantic Scholar
Spring plankton dynamics in the Eastern Bering Sea, 1971–2050: Mechanisms of interannual variability diagnosed with a numerical model
N. Banas, Jin-Lun Zhang, R. Campbell, R. Sambrotto +6 more
201612 citations Open access
Semantic Scholar

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