Senior Faculty Research Assistant II

Office: 541-737-0011

Ocean Observing Center


126 SW McKenzie Avenue

126 SW McKenzie Avenue
Corvallis, OR 97331

Current Research

Ocean Observatories Initiative (OOI)
Northwest Association of Networked Ocean Observing Systems (NANOOS)


2003-2006, Master of Science in Marine Resource Management, Oregon State University
2001-2002, Master of Science in Oceanography, University of Cape Town

Data Products

Hybrid Precipitation Index
NANOOS Visualization System (NVS)
Scatterometer Climatology of Ocean Winds (SCOW)
Climatology of Global Ocean Winds (COGOW)
Near-Coast Wind and Stress Fields with Enhanced Coverage for the US West Coast
Blended sea level anomaly fields with enhanced coastal coverage along the U.S. West Coast
MODIS Aqua US West Coast SST Climatology and Anomaly Fields
MODIS Aqua US West Coast Chlorophyll Climatology and Anomaly Fields


See Google Scholar Citations.

Barceló, C., R.D. Brodeur, L. Ciannelli, E.A. Daly, C.M. Risien, G.S. Saldías, and J.F. Samhouri (2021). Predicting Ecological Community Seascapes in the Northeastern Pacific Ocean. Frontiers in Marine Science, DOI: 10.3389/fmars.2021.586677.

Chelton, D.B., and C.M. Risien (2020). A Hybrid Precipitation Index Inspired by the SPI, PDSI and MCDI. Part 1: Development of the Index. Journal of Hydrometeorology, DOI: 10.1175/JHM-D-19-0230.1.

Chelton, D.B., and C.M. Risien (2020). A Hybrid Precipitation Index Inspired by the SPI, PDSI and MCDI. Part 2: Application to Investigate Precipitation Variability Along the West Coast of North America. Journal of Hydrometeorology, DOI: 10.1175/JHM-D-19-0231.1.

Barth J.A., S.E. Allen, E.P. Dever, R.K. Dewey, W. Evans, R.A. Feely, J.L. Fisher, J.P Fram, B.R. Hales, D. Ianson, J. Jackson, S.K. Juniper, O. Kawka, D. Kelley, J.M. Klymak, J. Konovsky, P.M. Kosro, A. Kurapov, E. Mayorga, P. MacCready, J.A. Newton, R.I. Perry, C.M. Risien, M. Robert, T. Ross, R.K. Shearman, J. Schumacker, S. Siedlecki, V.L. Trainer, S. Waterman, and C.E. Wingard (2019). Better Regional Ocean Observing through Cross-National Cooperation: A Case Study from the Northeast Pacific, Frontiers in Marine Science, DOI: 10.3389/fmars.2019.00093.

Barth, J.A., J.P. Fram, E.P. Dever, C.M. Risien, C.E. Wingard, R.W. Collier, and T.D. Kearney (2018). Warm blobs, low-oxygen events and an eclipse: The Ocean Observatories Initiative Endurance Array captures them all, Oceanography, DOI: 10.5670/oceanog.2018.114.

Peterson, W.T., J. Fisher, P.T. Strub, X. Du, C. Risien, J. Peterson, and C. Shaw (2017). The pelagic ecosystem in the northern California Current off Oregon during the 2014-2016 warm anomalies within the context of the past 20 years, Journal of Geophysical Research, DOI: 10.1002/2017JC012952.

Sherman, K., A. Lanier, J.A. Barth, F. Conway, C. Risien, and P.M. Kosro (2016). The Oregon Nearshore Research Inventory project: The importance of science and the scientific community as stakeholders in marine spatial planning, Ocean & Coastal Management, DOI: 10.1016/j.ocecoaman.2016.04.003.

Risien, C.M., and P.T. Strub (2016). Blended sea level anomaly fields with enhanced coastal coverage along the U.S. West Coast, Scientific Data, DOI: 10.1038/sdata.2016.13.

Mazzini, P.L.F., C.M. Risien, J.A. Barth, S.D. Pierce, A. Erofeev, E.P. Dever, P.M. Kosro, M.D. Levine, R.K. Shearman, and M.F. Vardaro (2015). Anomalous Near-Surface Low-Salinity Pulses off the Central Oregon Coast, Scientific Reports, DOI: 10.1038/srep17145.

Vardaro, M.F., P.M. Bagley, D.M. Bailey, B.J. Bett, D.O.B. Jones, R.J. Milligan, I.G. Priede, C.M. Risien, G.T. Rowe, H.A. Ruhl, B.B. Sangolay, K.L. Smith, Jr., A. Walls, and J. Clarke (2013). A Southeast Atlantic deep-ocean observatory: first experiences and results, Limnology & Oceanography: Methods, DOI: 10.4319/lom.2013.11.304.

Wanninkhof, R., G.-H. Park, D.B. Chelton, and C.M. Risien (2011). Impact of small-scale variability on air-sea CO2 fluxes, in Gas transfer at water surfaces 2010, edited by S. Komori, W. McGillis and R. Kurose, pp. 431-444, Kyoto University Press, Kyoto.

Risien, C.M., and D.B. Chelton (2008). A global climatology of surface wind and wind stress fields from 8 years of QuikSCAT scatterometer data, Journal of Physical Oceanography, DOI: 10.1175/2008JPO3881.1.

Risien, C.M., and D.B. Chelton (2006). A satellite-derived climatology of global ocean winds, Remote Sensing of Environment, DOI: 10.1016/j.rse.2006.06.017.

Risien, C.M., C.J.C. Reason, F.A. Shillington, and D.B. Chelton (2004). Variability in satellite winds over the Benguela upwelling system during 1999–2000, Journal of Geophysical Research, DOI: 10.1029/2003JC001880.

Richardson, A.J., C. Risien, and F.A. Shillington (2003). Using self-organizing maps to identify patterns in satellite imagery, Progress in Oceanography, DOI: 10.1016/j.pocean.2003.07.006.

Froneman, P.W., I.J. Ansorge, L. Vumazonke, A. Gulekana, K.S. Bernard, A.M. Webb, W. Leukes, C.M. Risien, S. Thomalla, J. Hermes, M. Knott, D. Anderson, N. Hargey, M.E. Jennings, J. Veitch, J.R.E. Lutjeharms, and C.D. McQuaid (2002). Physical and biological variability in the Antarctic Polar Frontal Zone: report on research cruise 103 of the MV SA Agulhas. South African Journal of Science, 98 (11&12), 534-536.


Other Publications:

Risien, C.M., T. Tanner, E. Mayorga, J.C. Allan, J.A. Newton, P.M. Kosro, R. Wold, and C. Seaton. The NANOOS Visualization System (NVS): A Decade of Development and Progress Addressing Stakeholder Needs, OCEANS 2019, MTS/IEEE Seattle - Blue sea. Blue sky. Blue tech., October 2019.

Chelton, D.B., and C.M. Risien. Zonal and Meridional Discontinuities and Other Issues with the HadISST1.1 Dataset. ScholarsArchive@OSU, 29 February 2016.

Barth, J.A., and C.M. Risien. PICES 2013 Summer School on “Ocean Observing Systems and Ecosystem Monitoring”. PICES Press Vol. 22, No. 1, Winter 2014.

Vanhoff, B.A., C.M. Risien, and D.F. Moroni. QuikSCAT Level 3 Near-Coast Wind and Stress Fields with Enhanced Coastal Coverage: US West Coast Region. 6 June 2013, Version 1.2, Jet Propulsion Laboratory, Pasadena, CA.

Mayorga, E., T. Tanner, R. Blair, A.V. Jaramillo, N. Lederer, C.M. Risien, and C. Seaton. The NANOOS Visualization System (NVS): Lessons Learned in Data Aggregation, Management and Reuse, for a User Application. OCEANS 2010, MTS/IEEE Seattle - Innerspace: A Global Responsibility, September 2010.

Risien, C.M., J.C. Allan, R. Blair, A.V. Jaramillo, D. Jones, P.M. Kosro, D. Martin, E. Mayorga, J.A. Newton, T. Tanner, and S.A. Uczekaj. The NANOOS Visualization System: Aggregating, displaying and serving data. OCEANS 2009, MTS/IEEE Biloxi - Marine Technology for Our Future: Global and Local Challenges, October 2009.